Brand：
$655.00
SE
GUOYUGRA GY/VGD-200-4M-G (H2S/NH3/O2/EX) Sewage Treatment Plant Online 4 in 1 Gas Detector
H2S：0-100PPM；NH3：0-100PPM；O2：0-30%VOL；EX：0-100%LELDiffusion, optional pump suction
Wastewater treatment plant, can detect hydrogen sulfide, ammonia, oxygen, combustible gas four kinds of gas, a variety of ranges can be selected, explosion-proof certificate level Ex db IIC T6 Gb, local integrated sound and light alarm indication, support custom wireless signal transmission, can be operated by remote control without opening the lid of the Detector.
If you don't know how to choose "Gas detector", please consult customer service.