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PROFESSIONAL ENVIRONMENTAL MONITORING Measure More Than Temperature The TASI TA622 series combines temperature, relative humidity, dew point and wet bulb measurements in one practical digital meter. A clear VA colour display, high-precision SHTC3 sensor and configurable data logging make it ideal for environmental checks, workshops, offices, storage areas and technical applications. Why Choose the TASI TA622? 4-in-1 Monitoring Read ambient temperature, humidity, dew point and wet bulb temperature. Clear VA Display Backlit colour display makes measurements easy to read at a glance. High-Precision Sensing Uses an SHTC3 sensor for temperature and relative humidity measurement. Adjustable Alerts Set upper and lower temperature or humidity thresholds with audible and visual alarms. Designed for Reliable Environmental ChecksThe TA622 provides a wide -40°C to 80°C (-40°F to 176°F) temperature range and 0–100% RH humidity range. Two measurement lines can be displayed simultaneously, helping you compare conditions without constantly switching screens.Data Logging for Long-Term MonitoringRecord measurements using selectable intervals of 5 seconds, 10 seconds, 30 seconds, 60 seconds, 30 minutes, 60 minutes, 12 hours or 24 hours. The recording function supports extended monitoring, with recording display support up to 99 hours. Useful for: room-condition checks, storage monitoring, workshops, equipment areas, offices, laboratories for general environmental observation and other applications where temperature and humidity trends matter.TA622A vs TA622B — Which One Do You Need? Feature TA622A TA622B Temperature & Humidity ✓ ✓ Dew Point & Wet Bulb ✓ ✓ Data Storage Up to 8,000 records Up to 4,000 records USB PC Connection — ✓ TA622B USB Computer ConnectionThe TA622B adds computer connectivity for more convenient data analysis. With compatible Windows PC software, recorded measurements can be transferred and real-time data can be viewed, with tables, graphs and XLSX export supported.Key Specifications Temperature Range -40°C to 80°C / -40°F to 176°F Temperature Accuracy Approx. ±0.5°C / ±1°F Humidity Range 0–100% RH Humidity Accuracy Approx. ±3% RH (10–90% RH); ±5% RH outside that range Sampling Rate 10 samples/second Display Update 3 times/second Power 3 × 1.5V AA batteries or 5V Micro USB Display Approx. 5.3 × 4.4cm VA colour screen with backlight Dimensions Approx. 21.8 × 6.7 × 3.5cm Weight Approx. 190g Important: TA622B USB functionality depends on compatible PC software and operating-system support. Measurements are intended for general environmental monitoring and should not be considered certified laboratory, medical or safety measurements.

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FunctionsAHD wireless transmitter receiver, suitable for wired truck camera transmitter up to 1080P panoramic wireless set, wireless working distance 200-300 meters. Mainly used for long-distance trucks, camping trailers, trucks with trailers.Support AHD/TVI/CVI signal input and output (transmitter supports 720P, 1080P, CVBS signals, receiver video output is AHD 720P PAL). 12V-36V working voltage, suitable for different vehicles.Features1. Wireless transmitter and receiver for wired cameras2. Can transmit 1080p AHD/HDCVI/HDTVI CVBS signals3. Wide signal coverage, wireless distance up to 200-300m4. Will make adding cameras to trailers simple and installation time shorter5. Perfect for trailers, RVs and any two-piece equipment6. Heavy-duty weather-resistant and waterproof design, no fear of bad weather such as rain and snow7. The receiver output of the monitor is 720p PAL formatParameters1. Power input: 12V-36V2. RF band: 12Mbps3. Frequency: 2400-2483.5 MHZ4. Modulation: QPSK/16QAM5. Working distance: 200-300m6. Receiving sensitivity: -86dBm QPSK7. Jump rate: 1200/S8. Resolution: 1080P 25F/S9. Compression code: H.26410. Maximum delay: 100ms11. TV mode: PAL/NTSCTX Video AHD/TVI/CVI 1080PRX Video AHD/TVI/CVI 720P (1080P is not recommended because the image is unstable and there will be freezes)12. Operating temperature: -20 to +80 degrees Celsius13. Operating humidity: 85% relative humiditySpecification: Package Weight One Package Weight 0.60kgs / 1.33lb One Package Size 23cm * 23cm * 4cm / 9.06inch * 9.06inch * 1.57inch Qty per Carton 30 Carton Weight 19.00kgs / 41.89lb Carton Size 42cm * 36cm * 32cm / 16.54inch * 14.17inch * 12.6inch Loading Container 20GP: 551 cartons * 30 pcs = 16530 pcs40HQ: 1279 cartons * 30 pcs = 38370 pcs

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specification1. Measurement range: 0~25% VOL2. Maximum overload: 30% oxygen3. Response time: <15 seconds4. Sensor type: electromagnetic O2 sensor5. Use ambient humidity: 15~90% RH6. Power: 3X1.5VAA battery Package Included1 x Oxgen gas detector (without battery)1 x manualSpecification: General Certificate CE Package Weight One Package Weight 0.86kgs / 1.90lb One Package Size 28cm * 21cm * 7cm / 11.02inch * 8.27inch * 2.76inch Qty per Carton 7 Carton Weight 7.00kgs / 15.43lb Carton Size 48cm * 32cm * 24cm / 18.9inch * 12.6inch * 9.45inch Loading Container 20GP: 723 cartons * 7 pcs = 5061 pcs40HQ: 1679 cartons * 7 pcs = 11753 pcs

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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 30sSpecification: General Certificate FCC, EMC Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 17cm * 4.2cm * 2.8cm / 6.69inch * 1.65inch * 1.1inch Qty per Carton 200 Carton Weight 17.10kgs / 37.70lb Carton Size 42cm * 38cm * 28cm / 16.54inch * 14.96inch * 11.02inch Loading Container 20GP: 596 cartons * 200 pcs = 119200 pcs40HQ: 1385 cartons * 200 pcs = 277000 pcs

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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 equipmentSpecification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 18cm * 8cm * 4cm / 7.09inch * 3.15inch * 1.57inch Qty per Carton 98 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 98 pcs = 17346 pcs40HQ: 412 cartons * 98 pcs = 40376 pcs

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1. Material: ABS2. Measuring range: 0~1000PPM3. Detected gases: R22/R32/R134a4. Preheating time (T90): 30 seconds5. Response time (T90): 10 seconds6. Sampling method: diffusion7. Temperature unit: Celsius/Fahrenheit8. When refrigerant leaks, the screen displays the concentration value. When the detected concentration exceeds the set alarm threshold, a rapid beep will sound and a flashing red light will illuminate.9. The extended flexible hose is made of metal and can be bent freely, making long-distance detection more convenient.10. Digital backlit high-definition screen, clearly visible even in dark environments.11. Battery-powered version: use a screwdriver to open the cover and replace with two 1.5V AAA batteries (not included).12. Rechargeable model: charges via USB cable. A red light indicates charging, and a green light indicates a full charge. It has a built-in 500mA high-capacity rechargeable lithium battery.13. Without any button operation, the instrument will automatically shut off after approximately 15 minutes. A short press of the APO button when turning it on will cancel the automatic shutdown.Specification: Package Weight One Package Weight 0.15kgs / 0.33lb One Package Size 23cm * 8cm * 5cm / 9.06inch * 3.15inch * 1.97inch Qty per Carton 48 Carton Weight 8.10kgs / 17.86lb Carton Size 48cm * 34cm * 32cm / 18.9inch * 13.39inch * 12.6inch Loading Container 20GP: 510 cartons * 48 pcs = 24480 pcs40HQ: 1185 cartons * 48 pcs = 56880 pcs

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1. Combustible gas detection: 0~20%LEL (0-9999ppm)2. Alarm mode: sound and light alarm3. Signal strength display: 20-level analog bar + numerical percentage4. Signal strength indication mode: sound from slow to fast; screen from green to red5. Automatic shutdown: no operation, no sensing signal, automatic shutdown in about 5 minutes6. Power supply: 3.7V 800mAh lithium battery7. Can detect acetone, acetylene, alcohol, ammonia, benzene, butane, ethanol, ethylene oxide, gasoline, hexane, hydrogen, methane, naphtha, natural gas, paint thinner, propane, solvents and other gases8. Built-in telescopic extension rod for detection in confined spaces9. 3-color backlight display, clearly visible at night10. High sensitivity or low sensitivity mode can be selected as needed11. Type-C charging interface, built-in large-capacity lithium battery, long-lasting detection12. Built-in flashlight for easy use in dark environments13. Display screen indicates low battery voltage, charge in time14. Automatic shutdown, automatically shuts off after about 5 minutes, no measurement signal or key operation, to save power15. Anti-slip design on both sides of the instrument, comfortable grip16. Weight: 134g17. Dimensions: 123x55.5x27mmSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 17cm * 9cm * 7cm / 6.69inch * 3.54inch * 2.76inch Qty per Carton 50 Carton Weight 13.00kgs / 28.66lb Carton Size 43cm * 32cm * 35cm / 16.93inch * 12.6inch * 13.78inch Loading Container 20GP: 553 cartons * 50 pcs = 27650 pcs40HQ: 1285 cartons * 50 pcs = 64250 pcs

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