2021 Latest Design Sound Meter - Portable Methane &Oxygen 2 CH4 ＆O2 in 1 gas Detector – Topsky

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Qualifications: Coal Mine Safety CertificateExplosion-proof CertificateInspection Certificationmodel number: CJYB4/25 Applications:CJYB4/25 portable CH4 ＆O2 in 1 gas detector is an intrinsically safe and explosion-proof instrument and is designed to deter the gases. It can simultaneously m...

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2021 Latest Design Sound Meter - Portable Methane &Oxygen 2 CH4 ＆O2 in 1 gas Detector – Topsky Detail:

Qualifications: Coal Mine Safety Certificate
Explosion-proof Certificate
Inspection Certification

model number: CJYB4/25
Applications:
CJYB4/25 portable CH4 ＆O2 in 1 gas detector is an intrinsically safe and explosion-proof instrument and is designed to deter the gases. It can simultaneously monitors oxygen (O2), combustible gas (%LEL). Compact and lightweight, CJYB4/25 portable CH4 ＆O2 in 1 gas detector activates audible and visual alarms in the event of a low or high alarm condition.
CJYB4/25 portable CH4 ＆O2 in 1 gas detector is unparalleled in its versatility, capability and overall value.
It is used at the underground coal mine and mine safety inspection mainly. Certainly, it is also applied to fire fighting, confined space, chemical industry, oil and all kinds of environment that needed to measure the hazardous and toxic gases

Technical specification:

Sensor	Catalytic combustion sensor (combustible gas);Electrochemical sensors (O2)
Measurement of Gas	combustible gas (CH4), oxygen (O2),
Range	CH₄: 0~4.00%(v/v)_；combustible gas 0-100%（LEL）
Range	O₂: 0~25.0%VOL
Accuracy	CH₄: +10% (1%LEL)
Accuracy	O₂: +0.7%VOL
Resolution	CH₄: 0.1%CH₄ (1%LEL)
Resolution	O₂: 0.1%VOL
Alarms	Visual,audible(75 dB)
Typical battery life	≥10 hours
Explosion protection	Exibd I

Accessories:
battery, Carrying case and Operate guidebook

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