GT903-F4（CO、H2S、O2、EX） Portable four-in-one Detector's video
NBCHAOVIDEO4567 plays · · 2018-12-25
KORNO GT903-F4 portable four-in-one Gas Detector can simultaneously detect carbon monoxide, hydrogen sulfide, oxygen, combustible gas four gas concentration values, suitable for industrial environment detection in children's songs, GT903-F4 four-in-one Gas Detector built-in rechargeable battery, with three concentration units can be switched, is a pump suction Gas Detector.
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