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Shop the best prices on 1,013 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Habicare, 9eight5, Fstniceted and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to United States.

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193 - 224 of 1,013
BME680 Environmental Sensor Module for Temperature Humidity Pressure Gas Monitoring
$17.95 Save $9.00 RRP: $26.95
CO2 Sensor MHZ14A Infrared Carbon Dioxide Detector Module Precision Stable Output Multiple Modes
$47.95 Save $26.05 RRP: $74.00
LoRaWAN Oxygen Sensor with O2 Range 025%, Temperature and Humidity Monitor for Greenhouse
$139.00 Save $70.00 RRP: $209.00
VOC Gas Detector 0–2 ppm Analyzer with UltraLow Range Detection and Stable Output for Industrial VOC Monitoring
$309.00 Save $150.00 RRP: $459.00
MQ2 Gas Sensor Module for Arduino ESP32 Raspberry Pi Smoke LPG Methane Detection, 2 Pack
$14.95 Save $8.00 RRP: $22.95
Ammonia Test Meter NH3 Concentration Tester Portable Ammonia Gas Detector with Alarm and LCD Display
$129.00 Save $60.00 RRP: $189.00
Gas Sensor Module MQ131 MQ136 MQ137 MQ138 MQ139 for Ozone Ammonia Hydrogen Sulfide Detection with Socket Base
$16.95 Save $8.00 RRP: $24.95
Digital Oxygen Meter O2 Gas Detector with Acoustic Light Alarm, Temperature LCD Display, Air Quality Monitor (Model AT8100)
$149.00 Save $70.00 RRP: $219.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester PPM Meter
$50.95 Save $28.05 RRP: $79.00
Rechargeable Portable Ozone Detector Indoor Air Monitor with Precision Sensor and Alarm Alerts
$159.00 Save $80.00 RRP: $239.00
Air Quality Meter Gas Analyzer with Sound Light Alarm for Flammable Natural Gas Leak Detection AS8800L
$94.00 Save $45.00 RRP: $139.00
CO2 Carbon Dioxide Detector with Sensor Module, I2C Temperature and Humidity Monitor
$99.00 Save $50.00 RRP: $149.00
Portable Gas Detector with Sensitivity Ammonia Detection and Instant Combustible Gas Alarm
$269.00 Save $130.00 RRP: $399.00
Carbon Dioxide Detector for Biochemical Medicine and Agriculture - CO2 Concentration Measurement Device
$64.00 Save $35.00 RRP: $99.00
Portable 4 Gas Detector with Sensitivity Sensors, Triple Alarm, Rechargeable Battery, Backlit Display
$104.00 Save $55.00 RRP: $159.00
CO2 Detector with Fast Leak Detection and RealTime Carbon Dioxide Concentration Monitoring
$59.00 Save $30.00 RRP: $89.00
High Precision CO2 Sensor Module for Accurate Indoor Air Quality, Temperature, and Humidity Monitoring
$54.00 Save $25.00 RRP: $79.00
Portable Gas Leak Detector, High Sensitivity CH4 and C4H10 Tester, USB Rechargeable, Lightweight and Compact Design
$59.00 Save $25.00 RRP: $84.00
Propane Gas Pressure Regulator with Gauge and Level Indicator for Grill, BBQ, Camping
$24.95 Save $13.00 RRP: $37.95
Air Conditioning Leak Detector SW743A Halogen Gas Detector With Flexible Probe For Cooling Systems And Narrow Spots
$69.00 Save $35.00 RRP: $104.00
Air Quality Monitor Gas Leak Detector Alarm for Methane Natural Gas CO CH4 Precision Measurement Flammable Gas Analyzer
$69.00 Save $35.00 RRP: $104.00
Air Quality Monitor Ozone Analyzer Portable O3 Gas Detector Intelligent Sensor for Indoor Outdoor Use
$189.00 Save $90.00 RRP: $279.00
Gas Leak Detector Carbon Dioxide CO2 and Formaldehyde Detector | Air Quality Monitor for PM2.5 PM10 Detection
$149.00 Save $70.00 RRP: $219.00
Leak Detection System for R22 R410A R134A R1234YF with Enhanced Sensitivity and Alarm Features
$48.95 Save $25.05 RRP: $74.00
Air Quality Monitor Ozone O3 Gas Detector 0-5ppm Analyzer Portable Sensor for Home Office Laboratory
$139.00 Save $70.00 RRP: $209.00
Formaldehyde Sensors ZE08CH2O Serial Port Output Calibration Module For Formaldehyde Concentration Measurement
$26.95 Save $14.00 RRP: $40.95
Portable Sensitive Gas Detector Gas Tester for the Catering Industry
$44.95 Save $24.05 RRP: $69.00
Gas detector, Dy26a. Ultrasonic leak detector for detecting defects in gas, vacuum, pressure, air, water, and dust leaks, fast response within.
$69.00 Save $30.00 RRP: $99.00
MQ137 Ammonia Gas Sensor Module with Dual Output for NH3 Detection and Air Quality Monitoring
$29.95 Save $15.00 RRP: $44.95
Portable Flammable Gas Detector, Compact USB-Rechargeable CH4 And C4H10 Detector, Highly Sensitive Gas Leak Tester
$59.00 Save $30.00 RRP: $89.00
Gas Detection Tool Portable, Fast and Accurate Gas Leak Detector for Home Safety, Compact Battery-Powered Detector
$44.95 Save $24.05 RRP: $69.00
Carbon Dioxide CO2 Detector, Formaldehyde Detector, Air Quality Detector, PM2.5 PM10 Detection
$149.00 Save $80.00 RRP: $229.00