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1. Operation mode: TA803A: manual range; TA803B/TA803C: manual/automatic range2. DC voltage: TA803A/TA803B: 0.1mV-1000V; TA803C: 0.01mV-1000V3. AC voltage: 0.01mV-750V4. Current: 0.01uA-10A5. Capacitance: TA803A: 1nF-20000uF; TA803B: 1nF-6000uF; TA803C: 1nF-2000uF6. Resistance: TA803A: 0.1 ohm-20 megohm; TA803B: 0.1 ohm-60 megohm; TA803C: 0.01 ohm-20 megohm7. Frequency: TA803A: 40Hz-1000Hz; TA803B: 10Hz-100kHz; TA803C: 10Hz-20MHz8. Display: TA803A: 1999 (31/2) bits; TA803B: 5999 (3 5/6) bits; TA803C: 19999 (4 1/2) bits9. Sampling frequency: about 3 times / second10. Power supply: 9V battery (not included)11. Automatic shutdown: about 15min12. General features: intelligent anti-burn-in, low voltage display, rms value, backlight display, on/off alarm, value lock13. Functions:- TA803A: analog bar display, average value measurement, diode measurement, triode measurement, NCV function- TA803B: diode measurement, maximum / small value measurement, temperature measurement, duty cycle / relative value- TA803C: analog bar display, diode measurement, temperature measurement, duty cycle/relative value14. Size: about 18.4 x 8.8 x 4.6cm15. Weight: about 320gFeatures:1. Soft rubber protective case + meter pen clip design, leather case can be drop-proof, dustproof, shockproof, meter pen can be stored for protection, to avoid accidental injury2. Back thickened bracket design, more convenient placement3. Flashlight lighting function, in the dark environment can also be easily measured4. Large screen backlight display, easy to read in the dark environment5. NCV voltage sensing function, according to the detected voltage strength, display and different frequency of the beeping alarm sound (only TA803A has)Packing list:- Host x 1- Meter pen x 2- Thermocouple x 2- Fuse x 2- Instruction manual x 1Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 21cm * 14cm * 7cm / 8.27inch * 5.51inch * 2.76inch Qty per Carton 30 Carton Weight 16.50kgs / 36.38lb Carton Size 44cm * 34cm * 43cm / 17.32inch * 13.39inch * 16.93inch Loading Container 20GP: 414 cartons * 30 pcs = 12420 pcs40HQ: 962 cartons * 30 pcs = 28860 pcs

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1. Measurement range: 30dB - 130dB2. Ambient temperature/humidity: 0-60 degrees C, 0-99% RH (TA651B)3. Accuracy: 1.5dB or so (based on standard sound source, 94dB@1KHz)4. Resolution: 0.1dB5. Time weighting: FAST 0.125s, SLOW 1s6. Frequency response: 125Hz - 8KHz7. Sampling rate: 2 times / second8. Analog bar: 1 scale represents 2dB9. Noise display: 4 digits, up to 199910. Microphone: high sensitivity 1/2 inch condenser microphone11. Automatic shutdown: 10min (can be manually shut down)12. Operating environment: -10 - 50 degrees Celsius, within 80% relative humidity, indoor altitude less than 2000m13. Storage environment: -10 - 50 degrees Celsius, within 70% relative humidity (remove the battery)14. Power supply: 3 x 1.5V AA (R03/LR06) batteries (not included)15. Display size: approx. 3.7 x 4.1cm16. Size: about 14.5 x 5.5 x 3.3cm17. Weight: approx. 115gFeatures:1. Highly sensitive 1/2 inch condenser microphone with high accuracy, high sensitivity and instantaneous response2. Can set the upper and lower alarm thresholds, when the measurement is higher or lower than the set threshold, the screen red background light on and the measurement value flashing alarm prompt3. HD large screen display with white background light4. Automatic shutdown after 10 minutes of no operation (can be manually canceled)5. Large range rangePacking list:- Host x 1- Cloth bag x 1- Instruction manual x 1Specification: Package Weight One Package Weight 0.24kgs / 0.54lb One Package Size 21cm * 14cm * 4cm / 8.27inch * 5.51inch * 1.57inch Qty per Carton 40 Carton Weight 10.00kgs / 22.05lb Carton Size 46cm * 29cm * 41cm / 18.11inch * 11.42inch * 16.14inch Loading Container 20GP: 487 cartons * 40 pcs = 19480 pcs40HQ: 1131 cartons * 40 pcs = 45240 pcs

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1. Measurement range: 30dB - 130dB2. Accuracy: about 1.5dB (based on standard sound source, 94dB@1KHz)3. Resolution: 0.1dB (less than 100dB); 1dB (more than 100dB)4. Frequency response: 31.5Hz - 8.5KHz5. Sampling rate: 2 times / second6. Sensor type: 6mm condenser microphone sensor7. Display mode: LED digital tube, single word 4 inches8. Alarm output: 12V high level9. Alarm prompt: sound + prompt10. Operating environment: 0 - 40 degrees Celsius, within 80% relative humidity, indoor altitude less than 2000m11. Storage environment: -10 - 60 degrees Celsius, within 70% relative humidity12. Input: DC 5V/1A13. Power supply: USB direct plug14. TA654A test cable length: about 5 meters15. Size: approx. 32.3 x 17.3 x 4cm16. Weight: about 980gFeatures:1. Highly sensitive 1/2 inch condenser microphone with high accuracy, high sensitivity and instantaneous response (TA654A external sensor)2. 13-inch large screen display3. Back hidden bracket design, can be placed on the desktop4. A variety of fixed ways, wall hanging / hanging / placed / external bracket5. Upper limit alarm prompt: the upper limit alarm threshold can be set, when the measurement is higher than the set threshold, the buzzer will alarm prompt sound, and the alarm prompt light flashes, the time can be set to: 65-120s6. Back panel design, the top and bottom have 2 ventilation holes, more responsive7. Analog bar level indication8. Alarm signal output interface, the use of 3.5mm two-section or three-section headphone plug 12V alarm horn (not included)Specification: Package Weight One Package Weight 1.70kgs / 3.74lb One Package Size 40cm * 24cm * 8cm / 15.75inch * 9.45inch * 3.15inch Qty per Carton 10 Carton Weight 17.00kgs / 37.48lb Carton Size 45cm * 42cm * 52cm / 17.72inch * 16.54inch * 20.47inch Loading Container 20GP: 271 cartons * 10 pcs = 2710 pcs40HQ: 629 cartons * 10 pcs = 6290 pcs

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1. Voltage: 0.01mV-600V2. Current: 0.01uA-600A3. Diode: 3.2V4. Input impedance: 10 megohms5. Frequency: 10Hz-10MHz6. Measurement method: Automatic range7. Sampling frequency: About 3 times/sec8. Power supply: Two AAA batteries (not included)9. Function: NCV induction, VFC frequency conversion measurement, intelligent anti-burn, true effective value, backlight display, on-off alarm, automatic shutdown, value lock10. Packing list: Host x1, meter pen x2, fuse x3, screwdriver x1, manual x111. Overall size: About 14.8x7x4.2cm12. Weight: About 200gFeatures:1. Adopt a soft rubber protective cover, which is anti-drop, dust-proof and anti-vibration2. The back thicker bracket design makes it more convenient to place3. Flashlight lighting function, easy to measure in the dark environment4. With a storage slot for test leads on the back5. Acousto-optic alarm, turn to NCV gear, bring the non-contact voltage sensing area close to the circuit, when the AC voltage is measured, the multimeter will display and buzzer alarms of different frequencies according to the detected voltage intensity6. Large screen backlit display, easy to read in the dark environmentSpecification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 17cm * 10cm * 5cm / 6.69inch * 3.94inch * 1.97inch Qty per Carton 40 Carton Weight 13.00kgs / 28.66lb Carton Size 42cm * 27cm * 37cm / 16.54inch * 10.63inch * 14.57inch Loading Container 20GP: 635 cartons * 40 pcs = 25400 pcs40HQ: 1475 cartons * 40 pcs = 59000 pcs

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1. Temperature measurement range: -50-480 degrees Celsius, -58-896 degrees Fahrenheit2. Measuring object distance ratio: 12:13. Response time: less than 500ms4. Laser aiming: less than 1mW 650nm5. Screen display: VA color screen6. Power supply: 2 AAA batteries (not included)7. Emissivity: 0.1-1.00 adjustable8. Packing list: host x1, manual x1, cloth bag x19. Overall size: about 15.5x9.2x4.2 cm10. Weight: about 180 gramsFeatures:1. Use infrared sensor to measure, no contact, safe to use, accurate measurement2. VA backlit color screen, clear reading, easy to read in the dark environment3. Laser 9-point positioning auxiliary measurement makes the measurement value more accurate4. Using high-quality electronic components, the measurement value is accurate and stable5. Adjustable emissivity6. Low battery warning7. High and low temperature alarm8. Units can be convertedSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 18cm * 12cm * 5cm / 7.09inch * 4.72inch * 1.97inch Qty per Carton 40 Carton Weight 9.00kgs / 19.84lb Carton Size 50cm * 27cm * 32cm / 19.69inch * 10.63inch * 12.6inch Loading Container 20GP: 617 cartons * 40 pcs = 24680 pcs40HQ: 1432 cartons * 40 pcs = 57280 pcs

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1. Measuring range: -200-1372 degrees Celsius (-328-2507 degrees Fahrenheit)2. High/low alarm: default 1300/-200 degrees Celsius3. Data storage: 9999 pens (TA612C 5000 pens)4. Data upload: TA612C can5. Report recording time: up to 99 hours from REC opening6. Interval setting: H:M/M:S7. Nut with bracket: 1/4 inch8. Sampling rate: about 1 time/second9. Automatic shutdown: about 15 minutes10. K-type thermocouple: probe measuring range 150-300 degrees Celsius11. Power supply: 1.5V AA (LRO6) battery x3 (not included), TA612C can also be powered by USB straight plug (with data cable)12. Size: about 17.7x7x3.5cm13. Weight: about 189 gramsFeatures:1. Suitable for many occasions, object surface/liquid/air temperature measurement2. High-sensitivity K-type jack, high measurement accuracy, the thermocouple is in direct contact with the measured object, and is not affected by the intermediate medium3. It can be connected to different probes for temperature measurement, and supports a variety of K-type temperature measurement probes4. Mass data storage5. VA high-definition color screen double-line digital display, clear reading, easy to measure in various environments6. The upper and lower limit alarm values ??can be set. If the range is exceeded, the sound + light prompts7. TA612C can be connected by USB, data upload and real-time measurementSpecification: Package Weight One Package Weight 0.54kgs / 1.20lb One Package Size 31cm * 12cm * 8cm / 12.2inch * 4.72inch * 3.15inch Qty per Carton 40 Carton Weight 22.30kgs / 49.16lb Carton Size 62cm * 45cm * 35cm / 24.41inch * 17.72inch * 13.78inch Loading Container 20GP: 273 cartons * 40 pcs = 10920 pcs40HQ: 633 cartons * 40 pcs = 25320 pcs

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1. Air detection, non-contact power measurement, and the line skin can be attached to alarm2. Zero live wire detection, easy to operate and clear display. Generally, when simulating a bright red three-segment signal, the electric pen detects the live wire; when simulating a bright green three-segment signal, the electric pen detects a neutral or ground wire3. Rapid alarm sound + flashing lights, the analog bar of the display will increase or decrease with the intensity of the sensed voltage signal, and the buzzer sound will also become faster or slower with the signal strength4. Flashlight lighting, easy to measure in the dark environment, long press the blue button to turn on the flashlight lighting, easy measurement in the dark environment5. After about 3 minutes of no induction signal or no operation, the tester will automatically shut down. When the battery voltage is low, the testers sensor light will light up once and then automatically shut down.6. Humanized pen holder, more convenient to carry around7. Highly sensitive probe, quick response, more stable measurement8. Non-contact induction voltage range: 12-1000V9. Power supply: 2 1.5V AAA batteries (not included)10. Size: about 8.7x2.3 cmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 12cm * 6cm * 4cm / 4.72inch * 2.36inch * 1.57inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 32cm * 27cm / 16.54inch * 12.6inch * 10.63inch Loading Container 20GP: 734 cartons * 100 pcs = 73400 pcs40HQ: 1705 cartons * 100 pcs = 170500 pcs

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1. Range: 100,000 Lux2. Resolution: 0.1Lux3. Data recording: 50 groups4. Spectral response: automatic/manual5. Sampling rate: about 2 times/second6. Photoreceptor: photodiode with filter lens7. Function: Lux/Fc conversion, reading lock, low voltage prompt8. Power supply: 1.5V AAA battery x2 (not included)9. Size: about 18.5x5.5x3 cm10. Weight: about 150 gramsFeatures:1. The back bracket design can be placed on the desktop for stable measurement according to the usage scenario2. Support data storage function, easy to view measurement data, can store 50 sets of data3. High-sensitivity photoreceptor, sampling frequency 0.5 times/second, accurate and reliable measurement4. With soft rubber protective cover, effectively anti-drop, dust-proof and shock-proof, comfortable to handle5. Large range, suitable for use in various scenarios, home, school, factory, laboratory, etc.Specification: Package Weight One Package Weight 0.27kgs / 0.60lb One Package Size 20cm * 8cm * 4cm / 7.87inch * 3.15inch * 1.57inch Qty per Carton 122 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 122 pcs = 21594 pcs40HQ: 412 cartons * 122 pcs = 50264 pcs

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1. AC voltage: 0.001-600V2. DC voltage: 0.1mV-600V3. TA802A DC/AC current: 0.01-600mA4. Capacitance measurement: 1nF-60000UF5. Frequency measurement: TA802A: 40Hz-6MHz, TA802B: 40Hz-9.9MHz6. Resistance measurement: 0.1 ohm-60 megohm7. Display: up to 6000 counts8. Function: logic level (TA802B does not have this function), NCV measurement, zero/fire wire measurement, automatic shutdown, backlight display, flashlight lighting9. Power supply: 2 AA batteries (not included)10. Weight: about 110 grams11. Size: about 19.8x5.1x3.2cmFeatures:1. Pen body design, light and portable2. With torch lighting function3. Large-screen high-definition backlight display, the reading is clearer4. The screen can be rotated 180 degrees, two-way display, multi-angle viewing5. Intelligent measurement, automatic identification, automatic measurement of AC and DC voltage/resistance/on/off buzzer6. Sensitive rotary dial, easy to operate7. Anti-slip waist design, comfortable to touchpacking list:- Host x1- Cloth bag x1- Pen x1- Manual x1Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 22cm * 7cm * 4cm / 8.66inch * 2.76inch * 1.57inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs40HQ: 412 cartons * 146 pcs = 60152 pcs

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1. Sensor: 1/2 inch condenser microphone2. Measuring range: 30-130dB3. Measurement accuracy: about 1.5dB (at reference sound pressure level, 94dB 1kHz)4. Frequency response: 31.5Hz-8.5KHz5. Frequency weighting characteristics: A6. Resolution: 4 digits, resolution 0.1dB7. Dynamic characteristics selection: Fast / Slow8. Automatic shutdown: after about 10 minutes9. Sampling rate: about 2 times/sec10. Power supply: two AAA batteries (not included)11. Data retention: support12. Backlight display: support13. Applicable scenarios: noise measurement in indoor and outdoor, electrical appliances, cars, libraries, construction sites, etc.14. LCD size: about 36x33mm15. Overall size: about 20.5x5.5X3cm16. Weight: about 98gFeatures:1. High-precision condenser microphone, no need to contact, can measure the quality of sound in various environments, quickly and accurately display the test results2. Large screen with backlight display, convenient to use and measure in dark environment3. With bracket design on the back, the desktop can be placed freely for easy viewing of data4. With protective cover, multiple protection, drop-proof, dust-proof and shock-proof5. With cloth bag, convenient storage, light and portableSpecification: Package Weight One Package Weight 0.25kgs / 0.54lb One Package Size 24.8cm * 9.2cm * 5cm / 9.76inch * 3.62inch * 1.97inch Qty per Carton 100 Carton Weight 25.50kgs / 56.22lb Carton Size 52cm * 48cm * 50cm / 20.47inch * 18.9inch * 19.69inch Loading Container 20GP: 213 cartons * 100 pcs = 21300 pcs40HQ: 496 cartons * 100 pcs = 49600 pcs

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1. Temperature range: -40 - 80 degrees Celsius / -40 - 176 degrees Fahrenheit; accuracy: about 0.5 degrees Celsius / about 1 degree Fahrenheit2. Humidity range: 0-100% RH; accuracy: about 3% RH (10-90% RH) / about 5% RH (other ranges)3. Sensor: SHTC34. Sampling rate: 10 times/s5. Update speed: 3 times/s6. Recording length: open record from REC, display up to 99 hours7. Data storage: TA622A: 8000, TA622B: 40008. USB computer communication: TA622B has real-time measurement records + host record data upload9. Automatic shutdown: 15 minutes (can be manually shut down)10. Operating environment: -10 - 50 degrees Celsius, within 80% relative humidity, indoor altitude less than 2000m11. Storage environment: -10 - 50 degrees Celsius, within 70% relative humidity (remove the battery)12. Power supply: 3 x 1.5VAA (LRO6) batteries (not included) / USB micro interface 5V13. Display size: about 5.3 x 4.4cm14. Size: about 21.8 x 6.7 x 3.5cm15. Weight 190gFeatures:1. Four parameters measurement, ambient temperature, ambient humidity, dew point temperature, wet bulb temperature, can display two lines of data at the same time2. High precision temperature and humidity sensor3. Upper/lower limit exceeds the limit prompt: temperature and humidity can set the upper and lower limit alarm threshold; when the measurement is higher or lower than the set threshold, there will be a buzzer alarm prompt sound, as well as alarm prompt light flashing4. VA high-definition color screen display with background lighting5. Two power supply modes: battery and USB interface6. Data logging records:- Interval length can be set to: 5s/10s/30s/60s/30min/60min/12h/24h, a total of 8 gears- TA622B can export and generate charts by communicating the data recorded by the host computer with the PC software through the USB interface7. USB computer communication (only TA622B) has the ability to download recorded data, communicate with computer in real time, display real-time data tables and real-time data graphs; export and print xlsx data tables and graphs; the upper computer software is applicable to computer systems Win7, Win8, Win10Specification: Package Weight One Package Weight 0.42kgs / 0.93lb One Package Size 30cm * 10cm * 6cm / 11.81inch * 3.94inch * 2.36inch Qty per Carton 40 Carton Weight 16.60kgs / 36.60lb Carton Size 61cm * 34cm * 44cm / 24.02inch * 13.39inch * 17.32inch Loading Container 20GP: 292 cartons * 40 pcs = 11680 pcs40HQ: 678 cartons * 40 pcs = 27120 pcs

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