3-in-1 Portable Carbon Monoxide Detector, Professional Accurate Rechargeable Travel CO Detector with Loud Alarm

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Ecowitt WH40 Rain Gauge Sensor Wireless Self-Emptying Rain Collector Outdoor Rain Sensor for Home Garden Accessories Only

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1 Pair Universal Probe Test Leads Pin for Digital Multimeter Needle Tip Meter Multi Meter Tester Lead Probe Wire Pen Cable 20A

Oil Thermometer Needle Food Thermometer Instant Reading Meat Temperature Tester with Probe for Kitchen Grilled

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-50~ +70°C Mini LCD Digital Thermometer Hygrometer Round Temperature Humidity Tester Sensor Detector For Freezer Cigar Box

Oxygen analyzer

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MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module MH Z19C Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000ppm UART PWM Output

Turbidimeter Microcomputer Scattered Light Turbidity Meter Intelligent Colorimeter Range 0-200NTU 0.1NTU with Calibration Fluid

New Oxygen Sensor AO-02 Gas Detector Compatible AO2 AA428-210 PTB-18.10

Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector CY-12C Gas Analyzer Measuring Instrument

WOSITE hand-held ultrasonic Oxygen flow concentration pressure detector RP-01 new original spot.

SMART SENSOR AS8700A Gas Analyzers Handheld Carbon Monoxide Meter Tester Monitor Detector Gauge LCD Display Sound Light Alarm

Carbon monoxide sensor high precision CO transmitter RS485 toxic and harmful combustible gas concentration detector

LED methane concentration sensor CH4 combustible gas detector industrial grade RS485 methane transmitter 4-20MA

DC current transmitter voltage isolation sensor perforated mutual inductance integrated module 0-100A to 4-20mA

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Methane natural gas sensor combustible gas transmitter alarm 4-20mA output RS485 with temperature and humidity

Soil 7-in -1 comprehensive sensor high precision detection of soil NPK temperature and humidity conductivity ph sensor

Super Large Aperture open AC/DC current transmitter current isolation loosening detection module 0-2500A input