The link is for NH3 gas detectors with a range of 0-100PPM. 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
Portable single gas detector can make continuous detection to combustible and toxic gases. High concentration protection for combustible gas. Self test for the combustible gas sensor. It has good sensitivity and reproducibility.
eBay
Single-Gas Detector, Replaceable Battery Yes, Product Type Single-Gas Detector, Display Screen Type LCD Dot Matrix, Includes Probe No, Housing Color Yellow, Gas Detected Hydrogen Cyanide, Communication Protocol Bluetooth, Series BW Solo, Sub-Brand BW, Battery Size 2/3 AA, Operating Humidity - Maximum 95 Percent, Status Indicator LED, Rechargeable Battery No, Resistance Properties Dust Resistant, Water Resistant, Operating Humidity - Minimum 5 Percent, Sensor Type Electrochemical.
eBay
Portable single gas detector can make continuous detection to combustible and toxic gases. It has good sensitivity and reproducibility. The shell adopts special high strength material and anti-smooth rubber, with the characters of water-proof and dust-proof.
eBay
Portable single gas detector can make continuous detection to combustible and toxic gases. It has good sensitivity and reproducibility. High concentration protection for combustible gas;. Self test for the combustible gas sensor;.
eBay
Direct status indication with audible & visual leakage alarm indicators and dual colour battery indicators. Battery by 4 AAA batteries (Not included). Upgraded version of WJL-6000. Traditional corona sensor with updated analogue circuit, fast triggers on R11, R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
eBay
Portable single gas detector can make continuous detection to combustible and toxic gases. High concentration protection for combustible gas. Self test for the combustible gas sensor. It has good sensitivity and reproducibility.
eBay
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. Output current. Single input. 4~20mA and RS485.
eBay