A gas, natural gas, city gas, smoke better sensitivity. using high-quality dual-panel design, with power indicator and TTL signal output instructions. Module Features TTL output valid signal is low.
eBay
ANENG GN805 Combustible Gas Detector Gas Analyzer Gas Leakage Meter 50~10000PPM Sound Alarm Environmental Multiple Detectable
Aliexpress UK
Fixed Hydrogen Gas Analyzer Detector H2 Gas Leak Transmitter Monitor 0-1000ppm. Fixed gas detector adopts advanced catalytic gas sensor or electrochemical sensor, which can translate the gas concentration in the air to the digital signal output.
eBay
CCEsafety GC210 Gas Detector Portable Gas Analyzer (H2S,CO,LEL,O2) Gas Monitor Rechargeable LCD Display Explosion-Proof For Work
Aliexpress UK
EASY TO USE: 1-button gloved hand use, large backlit LCD, care and use instructions included, compatible with the MSA FiveStar Link software and ALTAIR QuickCheck station. DATA LOGGING: Automatically records the last 25 alarm/test events and can communicate data by connecting to MSA Link via built-in IR communication port.
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Tuya Smart Home WiFi Natural Gas Detector Liquefied Petroleum Gas Combustible Gas Leak Sensor High-Decibel Voice Alarm
Aliexpress UK
It can detect less than 5 ppm Hydrogen concentraton. Detectable Gases: mixture 5% Hydrogen (H2) + 95% Nitrogen (N). Detection of Hydrogen. Ambient concentration reset. Semiconductor gas sensor. Multi color visual display.
eBay
High Sensitivity Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester
Aliexpress UK
Honeywell BW Clip H2S Single Gas Detector. Detects Hydrogen Sulfide (H₂S). BW Clip H₂S gas detector. Maintenance-free single gas detector. Industrial safety monitoring device. Original box.
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Carbon Monoxide Detector CO Gas Monitor Alarm Sound & Light Warning CO Sensor Detector with LED Digital Display for Home Office
Aliexpress UK
It can detect less than 5 ppm Hydrogen concentraton. Detectable Gases: mixture 5% Hydrogen (H2) + 95% Nitrogen (N). Detection of Hydrogen. Ambient concentration reset. Semiconductor gas sensor. Multi color visual display.
eBay
Carbon Monoxide Alarm Smoke Alarm CO Detector LCD Display Alarm Home Wireless Toxic Gas Leak Detector Fire Sound Alarm
Aliexpress UK
I can provide a large number of spare parts for old PCs.
eBay
for testo350 flue gas analyzer detector NOX SO2 nitrogen oxide detector Detu 340
Aliexpress UK
It can detect less than 5 ppm Hydrogen concentraton. Detectable Gases: mixture 5% Hydrogen (H2) + 95% Nitrogen (N). Detection of Hydrogen. Ambient concentration reset. Semiconductor gas sensor. Multi color visual display.
eBay
WJL-6000 Freon Leak Detector Refrigerant Gas Leak Detector HVAC Tester R22 R410A R134A 1234YF
Aliexpress UK