Test Equipment

1. Measurement of wind speed, wind temperature and wind chill2. 8 sensitive blades for accurate measurement3. High-definition backlight screen, if the environment is too dark, the readings can be turned on or off through the backlight button4. real-time measurement of wind speed and average wind speed5. Automatic shutdown at fixed time (automatic shutdown without keystroke operation in 15 seconds)6. For shooting, drones, sea breezes7. Nut mounting design, can be fixed on a tripod, for long-term fixed-point measurement8. Wind speed measurement range: 0.3-30m/s9. Wind temperature measurement range: -10 to 45 degrees celsius10. Batteries: 1.5 V 2 x AAA batteries (shipping not included)11. Material: ABS12. Size: 165x85x38mm

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1. Small and convenient to carry.Suitable for all kinds of construction pipe leakage detection. 2. The penetrability is increased several times, and the sound quality is greatly improved with adopts new components and advanced technology. 3. This product use built-in battery (can be recharged repeatedly) 4. Power consumption:12mA 5. Probe sensitivity:-60 DDB 6. Sound input: 32-ohm earphone. 7. Maximum audio Magnification: 13000X

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Features:1. Fast response, low power consumption, simple detection circuit, good stability, long life2. Split universal flexible probe, easy to touch all kinds of environment3. MP-901 sensor, high sensitivity, fast response4. The heater and metal oxide semiconductor gas sensing layers were fabricated on both sides of the micro-AI2O3 ceramic substrate by using a multi-layer thick film manufacturing process and encapsulated in a metal shell5. High strength ABS engineering plastics, no fear of environmental challenges6. Adopt air filter to reduce the disturbance of water, air and dust7. Rich alarm methods (beeping, lighting, vibration) , gas leak real-time feedbackParameters:1. Detection gases: CFCs: R11, R12, R500, R503, etc; HCFCs: R22, R123, R124, R502, etc; HCFCs: R134a, R404a, R125, etc.2. Operating voltage: DC4.5 V3. Power mode: 3 x AAA alkaline dry cells (not included)4. Run time: more than 6 hours5. Display: LCD liquid crystal display with automatic backlighting6. Direct reading: sensor Concentration Reading, battery charge, concentration unit, temperature7. Alarm settings: low-alarm function, high-alarm function settings8. Warm-up time: 30 seconds9. Response time: less than 10 seconds10. Measurement range: 0-1000 ppm11. Resolution: 1 ppm12. Sampling mode: diffusion mode13. Alarm: sound, light-emitting diode, vibration indication alarm, voltage under-voltage indication14. Audio tip: the higher the frequency of beeps, the higher the concentration15. Service temperature range: -10-50 degrees celsius16. Size: 156 x 64 x 27mm17. Weight: about 200gApplicable to the following gases and occasions:1. Detection of halogen gases (including chlorine and fluorine)2. Detecting ethylene oxide and ethanol gas for medical use3. Detect Halon gas in the fire extinguishing system4. Testing of air-conditioning, refrigeration systems and refrigerant recovery equipment

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1. 14-grain varieties to choose from2. Grain moisture testing3. Grain moisture standard setting4. Moisture limit-setting and voice prompt5. Deviation adjustment6. 4 types of voice reminders7. Dual rod sensors (metal probes)8. LCD backlight display9. Low battery alert10. Automatic shutdown function11. 4 x AA battery(Not Included)

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1. Dual display voltage + charge, more intuitive display2. 8-cell color bar on the top line to show battery power, voltmeter on the bottom line (showing battery voltage)3. Automatic decimal point shift for higher accuracy4. Wider range of application, lithium batteries, lead-acid batteries, car batteries, electric car batteries and other types of battery electric equipment can be used5. 8-segment power resolution: 10/25/40/50/60/75/90/100 percent6. Voltage meter accuracy: 3 percent7. Working humidity: 10~65 degrees Celsius8. Opening size: 45x26x18mm

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1. Dual display voltage + charge, more intuitive display2. 8-cell color bar on the top line to show battery power, voltmeter on the bottom line (showing battery voltage)3. Automatic decimal point shift for higher accuracy4. Wider range of application, lithium batteries, lead-acid batteries, car batteries, electric car batteries and other types of battery electric equipment can be used5. 8-segment power resolution: 10/25/40/50/60/75/90/100 percent6. Voltage meter accuracy: 3 percent7. Working humidity: 10~65 degrees Celsius8. Opening size: 45x26x18mm

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1. 2.7 inch VA reverse display large screen2. Intelligent automatic/manual dual mode3. Accurate detection and convenient operation4. Industrial wear-resistant silicone protective sleeve, comfortable to handle and durable5. Voltage, resistance, on-off testParameter1. Safety level: CAT III 1000V; CAT IV 600V2. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage3. Automatic range, on-off buzzer test, diode test, data retention, automatic shutdown4. DC voltage range: 1000V5. AC voltage range: 750V6. DC current range: 10A7. AC current range: 10A8. Capacitance range: 100mF9. Maximum display: 999910. Battery type: 3 x AAA batteries (not included)11. Size: 16.5x8.4x2.3cm12. Net weight: 290g

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1. LCD HD large screen, high-precision measurement2. LED jack indicator light, do not worry about inserting the wrong probe3. NCV non-contact voltage detection4. 220V full gear anti burning, safe and convenient operation5. Automatic shutdown after 5 minutes no operationParameters:1. Safety level: CAT III 1000V, CAT IV 600V, EN61010-1,-2-030 EN61010-2-033, EN61326-12. Measurement function: battery test, resistance, DC current, AC current, AC voltage, DC voltage3. Features: manual range, on-off test, diode test, data retention, automatic shutdown4. DC voltage range: 600mV-1000V5. AC voltage range: 600mV-750V6. DC current range: 600uA-10A7. AC current range: 600uA-10A8. Capacitance range: 10nF-100mF9. Maximum display: 600010. Battery type: 2 x AA batteries (not included)11. Size: 18.8x8.8x5.8cm12. Net weight: 350g

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1. Dual color backlight display, orange light indicates high voltage2. LED jack indicator light, do not worry about inserting the wrong probe3. NCV non-contact voltage detection4. 220V full gear automatic anti burning, safe and convenient operation5. Automatic shutdown after 5 minutes without operationParameters:1. Safety level: CAT III 1000V, CAT IV 600V2. Measurement function: capacitance, resistance, DC current, AC current, AC voltage, DC voltage, temperature3. Features: automatic range, on-off test, diode test, data retention, automatic shutdown4. DC voltage range: 600mV-1000V5. AC voltage range: 600mV-750V6. DC current range: 600uA-10A7. AC current range: 600uA-10A8. Capacitance range: 10nF-100 mF9. Maximum display: 600010. Battery type: 2 x AA batteries (not included)11. Size: 18.8x8.8x5.8cm12. Net weight: 350g

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1. Safety level: CAT II 600V2. Measurement function: AC voltage, DC voltage, resistance, others3. Features: automatic range, on-off buzzer test, data retention, automatic shutdown4. DC voltage range: 0.8-600V5. AC voltage range: 0.8-600V6. Resistance: 600K ohm7. Maximum display: 2000 counts8. Size: 11.8x6.0x2.9cm9. Battery type: 2 x AAA batteries (not included)10. Net weight: about 73g

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1. LCD HD large screen, high-precision measurement2. LED jack indicator light, do not worry about inserting the wrong probe3. NCV non-contact voltage detection4. 220V full gear anti burning, safe and convenient operation5. Shockproof rubber protective case with probe storage slot6. Automatic range, four and a half digit readingParameter1. Safety level: CAT III 1000V, CAT IV 600V2. Measurement function: battery test, resistance, DC current, AC current, AC voltage, DC voltage, temperature, etc3. Features: automatic range, on-off test, diode test, data retention, automatic shutdown4. DC voltage range: 200mV/2V/20V/200V/1000V5. AC voltage range: 200mV/2V/20V/200V/750V6. DC current range: 200uA/2000uA/20mA/200mA 10A7. AC current range: 200uA/2000uA/20mA/200mA 10A8. Resistance: 200 ohm/2K ohm/20K ohm/200K ohm/2M ohm/20M ohm/100M ohm9. Capacitance range: 20nF/200nF/2uF/20uF/200uF/2mF10. Frequency: 200Hz/2kHz/20kHz/200kHz/2MHz/10MHz11. Temperature: - 20~1000 degree Celsius / - 4~1832 degree Fahrenheit12. Maximum display: 2000013. Battery type: 2 x AA batteries (not included)14. Size: 20.2x10.8x6.2cm15. Gross weight: 574g

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1. LCD HD large screen, high-precision measurement2. LED jack indicator light, do not worry about inserting the wrong probe3. NCV non-contact voltage detection4. 220V full gear anti burning, safe and convenient operation5. Automatic shutdown after 5 minutes no operationParameters:1. Safety level: CAT III 1000V, CAT IV 600V, EN61010-1,-2-030 EN61010-2-033, EN61326-12. Measurement function: battery test, resistance, DC current, AC current, AC voltage, DC voltage, temperature3. Features: manual range, on-off test, diode test, data retention, automatic shutdown4. DC voltage range: 600mV/6V/60V/600V/1000V5. AC voltage range: 6V/60V/600V/750V6. DC current range: 60uA/60mA/600mA/10A7. AC current range: 60mA/600mA/10A8. Capacitance range: 10nF/100nF/1uF/10uF/100uF/1mF/10mF/100mF9. Maximum display: 600010. Battery type: 2 x AA batteries (not included)11. Size: 18.8x8.8x5.8cm12. Net weight: 350g

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1. Safety level: CAT.III 600V2. Measurement function: capacitance, resistance, AC voltage, DC voltage3. Other functions: automatic range, on-off buzzer test, diode test, data retention, automatic shutdown4. DC voltage range: 4V/40V/400V/600V5. AC voltage range: 4V/40V/400V/600V6. Capacitance range: 4nF/40nF/400nF/4uF/40uF/400uF/4mF7. Maximum display: 4000 counts8. Battery type: 2 x AAA batteries (not included)9. Size: 16.5x9.3x5.0cm10. Net weight: 239g

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1. AC voltage range: 600V 2. DC voltage range: 600V 3. Capacitance range: 4mF 4. Maximum display: 4000 5. Battery type: AAA 6. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage 7. Industrial-grade wear-resistant silicone protective cover, comfortable to touch and durable 8. Accurate detection, easy operation. 9. Safety level: CAT.III 600V Note: Shipment without batteries

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1. AC voltage range: 6V/60V/600V 2. DC voltage range: 600mV/6V/60V/600V 3. Capacitance range: 6nF/60nF/600nF 4. Maximum display: 6000 5. Battery type: 4x1.5V AAA 6. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage 7. Industrial-grade wear-resistant silicone protective cover, comfortable to touch and durable 8. Accurate detection, easy operation. 9. Safety level: CAT.III 600V 10. Duty cycle: 1.0-99.0% 11. Temperature: -40 degrees to 1000 degrees 12. Size: 17.5X9.8X5.5cm Note: Shipment without batteries

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1. Measuring voltage range: 1000V 2. Measuring current range: 1000A 3. Measuring resistance range: 60M 4. Maximum count: 6000 5. Battery type: 3x1.5V AAA 6. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage 7. Industrial-grade wear-resistant silicone protective cover, comfortable to touch and durable 8. Accurate detection, easy operation. 9. Clamp opening size: 35x60mm 10. Material: ABS Note: Shipment without batteries

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1. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage2. DC voltage range: 600mV/6V/60V/600V3. AC voltage range: 600mV/6V/60V/600V4. DC current range: 600uA/6000uA/60mA/600mA/10A5. AC current range: 600uA/6000uA/60mA/600mA/10A6. Capacitance range: 10nF~100mF7. Battery type: 2 x 1.5V AAA batteries (not included)8. Safety level: CAT III 600V9. Certification and standard: EN61010-2-030 EN61010-2-033 CAT III10. Size: 15.1x7.5x4.8cm11. Net weight: 250g

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1. Safety level: CAT.III 600V2. Measurement function: capacitance, resistance, AC voltage, DC voltage3. Other functions: automatic range, on-off buzzer test, diode test, data retention, automatic shutdown4. DC voltage range: 4V/40V/400V/600V5. AC voltage range: 4V/40V/400V/600V6. Capacitance range: 4nF/40nF/400nF/4uF/40uF/400uF/4mF7. Maximum display: 4000 counts8. Battery type: 2 x AAA batteries (not included)9. Size: 16.5x9.3x5.0cm10. Net weight: 239g

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1. Safety level: CAT.III 600V2. Measurement function: capacitance, resistance, AC voltage, DC voltage3. Other functions: automatic range, on-off buzzer test, diode test, data retention, automatic shutdown4. DC voltage range: 4V/40V/400V/600V5. AC voltage range: 4V/40V/400V/600V6. Capacitance range: 4nF/40nF/400nF/4uF/40uF/400uF/4mF7. Maximum display: 4000 counts8. Battery type: 2 x AAA batteries (not included)9. Size: 16.5x9.3x5.0cm10. Net weight: 239g

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1. Safety level: CAT.III 600V2. Measurement function: capacitance, resistance, AC voltage, DC voltage3. Other functions: automatic range, on-off buzzer test, diode test, data retention, automatic shutdown4. DC voltage range: 4V/40V/400V/600V5. AC voltage range: 4V/40V/400V/600V6. Capacitance range: 4nF/40nF/400nF/4uF/40uF/400uF/4mF7. Maximum display: 4000 counts8. Battery type: 2 x AAA batteries (not included)9. Size: 16.5x9.3x5.0cm10. Net weight: 239g

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1. Scope of application: can test 74ch series, osmo series, cd4000 series, hef400 series, 4500 series, operational amplifiers, interface chips, optocouplers, automatic transistor identification, voltage regulator voltage identification2. Integrate more than 1,300 types of chip data models and more than 420 types of transistor data models, covering most common general-purpose devices within 24 pins, which can greatly reduce maintenance workload and improve work efficiency3. Press the Enter key to turn on the machine for the first time and automatically run a self-test. The self-test detects the battery voltage and displays it on the screen after more than two seconds. When the battery voltage is lower than 7v, replace the battery to ensure the measurement accuracy. If If there is no alarm, the measurement work can be started4. Nativead 10 ad, the theoretical resolution of 5v voltage is 0.0048v5. Due to the use of batteries for power supply, it is not suitable for measuring high-power thyristors6. The Zener value must be based on the actual measurement, not just the nominal value7. The default directory for initialization is the search directory8. Different test modes: 5v mode, 3.3v mode, auto mode9. There are seven buttons on the panel, which are respectively used for up, down, left, right and typing keys and hotkeys o, p10. The up and down keys are used to adjust the catalog and change the model, and the left and right keys are used to move the cursor left and right to select the item to be changed11. The input key is used to change the machine and execute the test command12. Use two AA 1.5v batteries (not included), press Enter for more than 2 seconds to turn on the machine, and the current battery voltage will be displayed automatically when the machine is turned on. When the battery power is too low, replace the battery. Too low voltage will affect the reliability of the test results. and automatic shutdown protection13. After 60 seconds without any operation, it will automatically shut down14. Test socket: SOP16 narrow body, SOP20 medium body, SOP24 wide bodyThe device positioning method is as follows:1. Place the chip and optocoupler on the top of the alignment, and the 1-pin ic alignment seat2. The triode on the left, mostly three slots3. The 13 and 14 pins of the ic regulator are placedNote: Transistor display pin sequence from left to right corresponds to 10-foot, 11-foot, 12-foot ic block (not built-in battery or adapter)

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1. Measuring voltage range: AC/DC 600V 2. Measuring current range: AC 200A 3. Measuring resistance range: 20K 4. Maximum display: 6000 5. Battery type: 2x1.5V AAA 6. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage 7. Industrial-grade wear-resistant silicone protective cover, comfortable to touch and durable 8. Accurate detection, easy operation. 9. Clamp opening size: 25mm 10. Material: ABS Note: Shipment without batteries

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1. Scope of application: can test 74ch series, osmo series, cd4000 series, hef400 series, 4500 series, operational amplifiers, interface chips, optocouplers, automatic transistor identification, voltage regulator voltage identification2. Integrate more than 1,300 types of chip data models and more than 420 types of transistor data models, covering most common general-purpose devices within 24 pins, which can greatly reduce maintenance workload and improve work efficiency3. Press the Enter key to turn on the machine for the first time and automatically run a self-test. The self-test detects the battery voltage and displays it on the screen after more than two seconds. When the battery voltage is lower than 7v, replace the battery to ensure the measurement accuracy. If If there is no alarm, the measurement work can be started4. Nativead 10 ad, the theoretical resolution of 5v voltage is 0.0048v5. Due to the use of batteries for power supply, it is not suitable for measuring high-power thyristors6. The Zener value must be based on the actual measurement, not just the nominal value7. The default directory for initialization is the search directory8. Different test modes: 5v mode, 3.3v mode, auto mode9. There are seven buttons on the panel, which are respectively used for up, down, left, right and typing keys and hotkeys o, p10. The up and down keys are used to adjust the catalog and change the model, and the left and right keys are used to move the cursor left and right to select the item to be changed11. The input key is used to change the machine and execute the test command12. Use two AA 1.5v batteries (not included), press Enter for more than 2 seconds to turn on the machine, and the current battery voltage will be displayed automatically when the machine is turned on. When the battery power is too low, replace the battery. Too low voltage will affect the reliability of the test results. and automatic shutdown protection13. After 60 seconds without any operation, it will automatically shut down14. Test socket: SOP16 narrow body, SOP20 medium body, SOP24 wide bodyThe device positioning method is as follows:1. Place the chip and optocoupler on the top of the alignment, and the 1-pin ic alignment seat2. The triode on the left, mostly three slots3. The 13 and 14 pins of the ic regulator are placedNote: Transistor display pin sequence from left to right corresponds to 10-foot, 11-foot, 12-foot ic block (not built-in battery or adapter)

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1. Measuring voltage range: 600V 2. Measuring current range: 600A 3. Measuring resistance range: 40M 4. Maximum count: 6000 5. Battery type: 2x1.5V AAA 6. Measurement functions: capacitance, battery, resistance, AC current, AC voltage, DC voltage 7. Industrial-grade wear-resistant silicone protective cover, comfortable to the touch and durable. 8. Accurate detection and easy operation. 9. Clamp opening size: 26x44mm 10. Material: ABS Note: shipped without batteries

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1. Measuring voltage range: 600V 2. Measuring current range: 600A 3. Measuring resistance range: 60M 4. Maximum count: 6000 5. Battery type: 2x1.5V AAA 6. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage 7. Industrial-grade wear-resistant silicone protective cover, comfortable to touch and durable 8. Accurate detection, easy operation. 9. Clamp opening size: 28mm 10. Material: ABS Note: Shipment without batteries

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1. AC voltage range: 6V/60V/600V 2. DC voltage range: 600mV/6V/60V/600V 3. Capacitance range: 6nF/60nF/600nF 4. Maximum display: 6000 5. Battery type: 4x1.5V AAA 6. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage 7. Industrial-grade wear-resistant silicone protective cover, comfortable to touch and durable 8. Accurate detection, easy operation. 9. Safety level: CAT III 600V 10. Size: 17.5X9.8X5.5cm Note: Shipment without batteries

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1. Aluminum alloy, stainless steel material, support rod, speed measurement, energy measurement, speed energy, browsing records and viewing average values.2. The core components are packaged in industrial grade, with stable performance and small error3. Accurate velocity for projectiles with a velocity of 0-3000 m/s4. Large effective sensing area, easy to use and high sensitivity5. Strong adaptability to ambient light, can be used indoors and outdoors day and night6. Can save 80 sets of data, you can see the average value7. This product is made by DIY, with the purpose of simplicity, practicality, accuracy and durability8. It is mainly used to learn and experience the high-speed data processing ability of single-chip microcomputer, which can measure the flying speed of various projectiles. Such as: table tennis, badminton, bow and arrow, physical acceleration experiment, projectile free fall experiment, nerf toy speed measurement, children's soft toys, etc.9. Working temperature: -30 to 60 degrees celsius10. Power supply mode: 4 x AA batteries (not included in the product)11. Measuring range: 0-3000M/S (FPS range 30-9999)12. Voltage: DC 6V13. Size: 330x80x44mm14. Weight: 436gNotice: 1. This product is infrared radiation type, the light source has been integrated in the machine, no external light source is needed; it is recommended to be used in weak light environment; the darker the ambient light, the better the machine performance. For outdoor use and under strong light conditions, a hood must be added2. When measuring the velocity of the projectile at a higher velocity. Please take appropriate protective measures. Prevent projectiles from rebounding after hitting the machine and causing damage3. When installing, pay attention to the marks on the left and right sides of the light bar, and the light bar with lights faces downPacking list:-1 x speedometer-1 x screwdriver-1 x English instruction manual-3 x heat shrink tube light strips-4 x pure copper rods

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1. Measuring voltage range: 1000V 2. Measuring current range: 1000A 3. Measuring resistance range: 60M 4. Maximum count: 6000 5. Battery type: 3x1.5V AAA 6. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage 7. Industrial-grade wear-resistant silicone protective cover, comfortable to touch and durable 8. Accurate detection, easy operation. 9. Clamp opening size: 36x60mm 10. Material: ABS Note: Shipment without batteries

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1. Measuring range: 0-9999ppm 2. Measurement accuracy: 10% FS 3. Voltage: 3x1.5V 4. Power supply: 2xAAA batteries 5. Battery type: 3x1.5V AAA 6. It is widely used in gas pipeline leak detection, household gas prevention, gold mine field, tunnel mine operation oil and gas exploitation field, dangerous goods storage warehouse, etc. 7. Standard industrial design, fast response, double alarm. 8. Accurate detection, easy operation. 9. Full-view high-definition reverse display color screen, clearly visible in dark environments. 10. Two-color injection molding, strong and durable, strong body, non-slip and anti-fall. Note: Shipment without batteries

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1. Measuring range: 0-9999ppm 2. Measurement accuracy: 10% FS 3. Voltage: 3x1.5V 4. Power supply: 2xAAA batteries 5. Battery type: 3x1.5V AAA 6. It is widely used in gas pipeline leak detection, household gas prevention, gold mine field, tunnel mine operation oil and gas exploitation field, dangerous goods storage warehouse, etc. 7. Standard industrial design, fast response, double alarm. 8. Accurate detection, easy operation. 9. Full-view high-definition reverse display color screen, clearly visible in dark environments. 10. Two-color injection molding, strong and durable, strong body, non-slip and anti-fall. Note: Shipment without batteries

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1. It is widely used in gas pipeline leak detection, household gas prevention, gold mine field, tunnel mine operation oil and gas exploitation field, dangerous goods storage warehouse, etc. 2. It is convenient for users to safely detect various combustible gases, such as methane, carbon monoxide, gasoline, ethylene oxide, etc. 3. Range: 0-1000PPM 4. Accuracy: less than or equal to 10% FS (methane) 5. Sensitivity: less than 50PPM 6. Response time: about 5s 7. Preheating time: less than 30s 8. When a combustible gas leakage is detected, the meter beeps and the concentration indicator lights up. 9. Power supply method: 2 x AAA batteries (not included)

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1. The sensitivity can be adjusted to facilitate measurement in different environments. 2. LED lighting function, can be used in dark environment. 3. Power supply mode: 2xAAA batteries (not included) 4. With pen clip, easy to carry. 5. Parameters: Display: LCD Range of voltage detection: high sensitivity: AC12-1000V, low sensitivity: AC48-1000V Frequency: 50/60Hz Alarm mode: sound and light Size: 155x20x20mm Weight: about 45g

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1. Measuring range: 0~30m/s2. Measurement accuracy: +/-2%3. Measurement object: wind speed4. Resolution: 0.01m5. Wind speed: 30m/s6. Product size: 180x87x54mm7. Weight: 0.213kg8. Power supply: 3x1.5V AAA batteries9. Small size, light weight and portable, does not take up space10. Using eight-blade fan + imported bearing sensor, short response time, strong anti-interference ability, and more accurate data collection12. Anti-drop, dust-proof and waterproof triple protection design, made of ABS material, comfortable to hold, strong impact resistanceNote: Shipment without battery

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Features: 1. It adopts excellent electrochemical detection module, which has high accuracy and stable performance, and can accurately detect carbon dioxide value. Large screen design, measurement data at a glance 2. Using semiconductor and infrared detection technology, real-time refresh once per second 3. Using superior electrochemical detection module, high accuracy, stable performance, can accurately detect carbon dioxide 4. Strong anti-interference ability, low power consumption and long service life 5. The product does not need to be calibrated, it can be detected when it is turned on, and can accurately detect carbon dioxide 6. Wall-mounted design, suitable for more scenes, more practical 7. There are hundreds of ventilation holes on the back of the shell, which can not only accelerate the convection between the air and the machine, so as to achieve effective detection, but also provide a good heat dissipation effect 8. Wide application: agricultural planting, greenhouse vegetables, production warehouse, material processing, home interior decoration, etc. 9. 6 in 1: PM2.5, CO2, TVOC, HCHO, formaldehyde, temperature and humidity 10. Real-time monitoring, sound and light alarm, automatic calibration, power indicator Specification: 1. Display mode: LCD color screen + backlight display 2. Power supply mode: USB charging/built-in lithium battery 3. Battery capacity: 1200mah lithium battery 4. CO2 detection: 0-5000PPM 5. CO2 measurement accuracy: 10PPM 6. Temperature measurement range: 0 to 70 degrees Celsius 7. PM2.5: 0-999ug/m3 8. Formaldehyde: 0-9999ug/m3 9. TVOC: 0-9999ug/m3 10. Humidity: 0-99% RH 11. Working voltage: 5V 12. Sensor: infrared PM2.5 sensor/semiconductor sensor 13. Size: 90x70x35mm 14. Net weight: 140g 15. Gross weight: 200g

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1. It is widely used in gas pipeline leak detection, household gas prevention, gold mine field, tunnel mine operation oil and gas exploitation field, dangerous goods storage warehouse, etc. 2. It is convenient for users to safely detect various combustible gases, such as methane, carbon monoxide, gasoline, ethylene oxide, etc. 3. Range: 0-1000PPM 4. Accuracy: less than or equal to 10% FS (methane) 5. Sensitivity: less than 50PPM (methane) 6. Response time: less than 2s 7. Preheating time: about 30s

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1. Instant response to electromagnetic field fluctuations and spikes.2. Easy to read LED cursor in dark and sunlight.3. Portable, easy to use, rugged, reliable, responsive and radiation resistant.4. UV-responsive color labels5. For paranormal wave research and general EMF detection use.6. EMF flow meters are often used during ghost hunting and also for personal safety to identify potentially harmful high EMF radiation. The reliability and quality of EMF flow meters in paranormal investigations. This makes EMF meters a tool for detecting psychic activity and finding potentially harmful high EMF levels in the home or work environment7. The EMF meter can be used indoors or outdoors to measure any electrical device or power line.8. There are 5 LEDs, each representing a range of field strengths, as follows.-Green - "normal" zone - normal background magnetic field. 0 to 1.5 milliGauss-Green - "low" zone - low level magnetic field. 1.5 to 2.5 milliGauss-Yellow - "caution" zone - moderate magnetic field. 2.5 to 10 milliGauss-Orange - "high" zone - high intensity magnetic field. 10 to 20 milliGauss-Red - "warning" zone - very high magnetic field. 20+ milliGauss9. Material: ABS housing10. Power supply: 1 x 9V battery (not included)11. Dimensions: 14.3 x 5.3 x 2.2cm

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1. Operating voltage: 90-250V / 45-65Hz 2. Phase voltage: 90-250V / 45-65Hz 3. Leakage voltage: 0-99V / 45-65Hz 4. Operating temperature: 0-40 degree Celsius 5. Operating humidity: 20-75%RH 6. Storage temperature: -10~50 degree Celsius 7. Storage humidity: 20-80%RH 8. Altitude: less than 2000m 9. RCD test: more than 30mA 10. RCD working voltage: 220V 11. GFCI test: more than 5mA 12. GFCI working voltage: 110V

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1. Measurement function: capacitance, resistance, AC voltage, DC voltage 3. Other functions: automatic range, on-off buzzer test, diode test, data hold, automatic shutdown 4. DC voltage: 60mV/600mV/6V/60V/600V 5. AC voltage: 60mV/600mV/6V/60V/600V 6. DC current: 6000uA/60mA/600mA 7. AC current: 6000uA/60mA/600mA 8. Resistance: 600 Ohm/6K Ohm/60K Ohm/600K Ohm/6M Ohm/60m Ohm 9. Capacitance: 6nF/60nF/600nF/6uF/60uF/600uF/6mF/60mF 10. Frequency: 10Hz/100Hz/1000Hz/10kHz/100kHz/1000kHz/10mHz 11. Duty cycle: 1-99% 12. Power supply: 2x3V CR2032 batteries

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1. Operating voltage: 90-250V / 45-65Hz 2. Phase voltage: 90-250V / 45-65Hz 3. Leakage voltage: 0-99V / 45-65Hz 4. Operating temperature: 0-40 degree Celsius 5. Operating humidity: 20-75%RH 6. Storage temperature: -10~50 degree Celsius 7. Storage humidity: 20-80%RH 8. Altitude: less than 2000m 9. RCD test: more than 30mA 10. RCD working voltage: 220V 11. GFCI test: more than 5mA 12. GFCI working voltage: 110V

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Features:1. Lower power supply noise, less noise when using harmonics;2. Built-in 400mAh battery3. Add MicroSD card to save test data;4. Add RTC support;5. Change the port names to Port1 and Port26. MicroSD supports less than 32GB, and only supports SPI mode.7. It can measure complete S11 and S21 parameters. If you need to obtain S12 and S22, you need to manually replace the wiring of the transceiver port8. Measure S parameters, VSWR, phase, delay, Smith chart, etc. parameter:1. PCB: 54mm x 85.5mm x 11mm (excluding connectors, switches)2. Measurement frequency: 50KHz-1.5GHz3. RF output: -13dbm (up to -9dbm)4. Frequency accuracy: less than 2ppm5. Frequency stability: less than 0.5ppm6. Measuring range: 70dB: 50kHz-300MHz, 50dB: 300M-900MHz, 40dB: 900M-1500MHz7. Port SWR: less than 1.18. Display: 2.8 inch TFT (320 x240)9. USB interface: USB type-C/usb-c Communication mode: CDC (serial)10. Power supply: USB 5V 120mA, built-in 400mAh battery, charging current 1A, can be used continuously for more than 4 hours11. Number of calibration points: 101 (fixed)12. Number of scanning points: 101 (fixed)13. Show trace: 4, mark: 4, set save: 5packing list:-1 x NanoVNA host (with 2.8-inch touch screen, 400mAh battery)-1 x SMA female to female connector-1 x SMA Easy Calibration Set SHORT-1 x SMA Easy Calibration Kit OPEN-1 x SMA Simple Calibration Set LOAD-1 x USB-C/Type-C data cable-1 x Touch pen-1 x Pick-1 x USB-C/Type-C to USB-C/Type-C cable-2 x 20cm SMA male to male RG174 RF cables

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1. Small body, easy to carry. 2. Detect the magnitude of the AC voltage, and distinguish the neutral and live wires according to the magnitude of the voltage. 3. Inductive mode measurement, automatically distinguish zero/live wire, or find breakpoint. 4. LED lighting function, can be used in dark environment. 5. Power supply mode: 1xAAA battery (not included) 6. Parameters: Display: LCD screen Voltage detection range: AC12-300V Alarm mode: sound and light alarm

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1. Operating voltage: 90-250V / 45-65Hz 2. Phase voltage: 90-250V / 45-65Hz 3. Leakage voltage: 0-99V / 45-65Hz 4. Operating temperature: 0-40 degree Celsius 5. Operating humidity: 20-75%RH 6. Storage temperature: -10~50 degree Celsius 7. Storage humidity: 20-80%RH 8. Altitude: less than 2000m 9. RCD test: more than 30mA 10. RCD working voltage: 220V 11. GFCI test: more than 5mA 12. GFCI working voltage: 110V

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1. Specification range: 30-130dBA/30-130dBC2. Accuracy: +1.5dB (94dB@1KHz), +5dB (94dB@8KHz)3. Frequency response: 30Hz - 8KHz4. Frequency weighting: A/C5. Time weight: FAST 125ms, SLOW 1sec6. Temperature: -20-60 degrees Celsius/+1.5 degrees Celsius7. Humidity: 0-100% / +5.0%8. Dimensions: 58mm x 142mmx28mm9. Accurate detection, convenient operation10. Small size, easy to carry11. LCD high-definition backlight digital display, large font reading is clearly visible12. Function: support bar graph/data hold/backlight/maximum value/minimum value hold/automatic shutdown/low battery indicationNote: Shipment without battery

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1. Measuring range: 0~58.0%2. Accuracy: +/-2%3. Ambient temperature: -20~60 degrees C4. Relative humidity accuracy: +/-5.0%RH5. Relative humidity range: 0.0~99.9%RH6. Supply voltage: 3x1.5V7. Product size: 148x60x33mm8. Small size, light weight, easy to carry9. Widely used in wood/paper products, wall bricks, wall putty, cement floor and ambient temperature and humidityNote: Shipment without battery

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1. Measuring range: 0 ~ 4 K ohms2. Battery type: 8x1.5V AA batteries3. Test voltage: 0-200V4. Product size: 186x68x140mm5. Light weight, easy to use, not easy to damage6. Exquisite and beautiful, practical and safe, more accurate measurement7. It can store 100 sets of data, which will not be lost after power failure. When the data exceeds 100, it will automatically delete the oldest data and store it again8. Widely used in ground grid grounding measurement/electrical equipment grounding/building grounding measurement/charging pile grounding, etc.Note: This product is shipped without batteries

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1. Magnetic steel meter head, more stable measurement2. No battery, plug and play, no consumption3. Metal detection sensor, able to detect quickly and accurately4. One key to switch the pH / humidity5. Function: detection of humidity / PH6. Measurement range: temperature (1-8), PH (3-8)7. Application scenario: greenhouse, garden, orchard, farmland, etc.8. Size: about 22 x 6cm

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1. Product size: 96x62x24mm2. Product weight: about 71g3. Voltage resistance: 60V4. Battery type: 2x1.5V AAA batteries5. Support 8P/6P/4P/2P multi-standard network cable and telephone line test6. Can test unshielded/shielded network cable, with anti-burning protection function7. Split structure design, simple measurement, convenient for long-distance detectionNote: Shipment without battery

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1. Measuring range: AC voltage 0-440V2. Battery type: 6x1.5V LR14 battery3. Test voltage: 0~440V4. Ambient temperature: 0~50 degrees Celsius5. Relative humidity: 30%~90%6. Simple operation and accurate test7. Large-screen backlight display, large fonts, large strokes, clear readings in dim environments8. It is designed with a detachable PVC silicone protective cover, which is shockproof and drop-resistant, strong, wear-resistant and durable, and protects internal components9. It can widely measure leakage switch tripping current, tripping time, loop resistance and online measurement voltage, frequency, etc. It is an ideal tool for electrical inspection and maintenanceNote: This product is shipped without batteries

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