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Factory Boiler Room Gas Station Pharmaceutical Factory Ammonia (NH3) Hydrogen Sulfide (H2S) Fixed Combustible Gas Detector

US$188-208 Min. Order: 1 piece

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RS485 4 20MA 0 5v 0 10v Output NH3 Ammonia Sensor

US$48-113.40 Min. Order: 20 pieces

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Online Industrial 0 100PPM Fixed NH3 Ammonia Gas Detector 4 20mA Signal Output Ammonia Gas Analysis Meter

US$157-670 Min. Order: 1 piece

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LEFOO CO Sensor 3 Wired Carbon Monoxide Detector Sensor Transmitter

US$44-66 Min. Order: 1 piece

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Point Type Gas Alarm GTY XH800 Methane Propane Detector IP65 High Accuracy Audio Visual Alarm Aluminum Alloy Plug Power for

US$62-68 Min. Order: 2 pieces

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Factory Price Lpg Gas Leak Sensor Detector With Shut Off Valve Sell Well on Malaysia

US$2.70-4 Min. Order: 100 pieces

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Water Quality Monitoring Fish Shrimp Farming Agriculture 4 20mA Online pH Meter With pH Sensor

US$140-320 Min. Order: 1 piece

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Portable 4 in 1 Ethylene Oxide (ETO) 0 100PPM Gas Detector for Petroleum Extraction Coal Mine Basement Warehouse Storage

US$337-352 Min. Order: 1 piece

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High Precision Industrial Ammonia Nitrogen Probe with Controller RS485 & 4 20mA Output for Online Water Quality Monitoring

US$200-445 Min. Order: 1 set

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Handheld Pump 6 in 1 Hydrogen Cyanide (HCN) 0 50ppm Gas Detector for Boiler Room Sewage Plant Fueling Station

US$975-985 Min. Order: 1 piece

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China Household Combustible CH4 Methane Natural Gas LPG Leaking Gas Detector Alarm with Solenoid Valve

US$5.50-7.90 Min. Order: 50 pieces

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CAATM CA 226F Atex Combustible Gas Level Detector Fixed Gas Leak Detector IP66 Ex d IIC T6 Gb Audible Visual Alarm for Poultry

US$67-87 Min. Order: 1 piece

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Air Quality Sensor air Quality Monitoring System with Co2 Sensor Wifi LoRaWAN BLE RS485 for HVAC Smart Building

US$44-79 Min. Order: 1 piece

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Water Quality Sensor With Screen to Measure PH ORP and Temperature Simultaneously for Aquaculture

US$20.20-150.20 Min. Order: 1 piece

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Industrial NH3 Ammonia Gas Leakage Detector 8 Channel LED Alarm Controller Gas Detector Anti explosion

US$89-185 Min. Order: 1 piece

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Tuya WiFi LCD Display ABS Gas LPG Leak Sensor Alarm with Voice Remind APP Control up 10m Detection Home Security Fire Prevention

US$10.08-10.98 Min. Order: 2 pieces

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Good Quality Gas Detector Alarm Home Security Natural Leak Sensor Combustible Gas Leak Detector

US$7.96 Min. Order: 2 pieces

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High Accuracy 1% IP55 Protection LCD Display Detects LEL O2 CO H2S Flammable Toxic Gases NKYF Handheld Pump Suction Gas Detector

US$326-398 Min. Order: 1 set

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New Original MIDAS E NH3 Gas Detection Module Industrial Control Sensor Ammonia Monitoring Safety Alarm Unit Standard

US$435-438 Min. Order: 1 piece

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Industrial Fixed Gas Detector Nh3 Ammonia O3 Ozone CH4 LEL H2s 4 Gas Analyzer Leak Detection Equipment with Diffusion Sampling

US$666-829 Min. Order: 1 piece

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DUOTESI Hot selling Gas Detector High Prec for VOC CO H2S O2 Explosion Proof for Agriculture Poultry Industrial Safety

US$143.71 Min. Order: 1 piece

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High Accuracy 4 20ma Rs485 Ammonia Sensors Wall Mounted Nh3 Sensor 0 100 Ppm

US$48-113.40 Min. Order: 1 piece

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Smart Home Ammonia Gas Environment Monitor with Temperature Humidity Display for Poultry Farm Pig and Livestock Use Android

US$65 Min. Order: 1,000 units

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High Precision 0~200 Mg m3 Photoionization Gas Analyzer Volatile Organic Compounds (VOCs) Monitoring Alarm

US$1,700-2,350 Min. Order: 1 set