This indstrument conforms with the following procedures and calibration standards:
Gb3836.1—۲۰۱۰ Explosive Atmospheres Part 1: General Requirements for Equipment.
GB3836.4—۲۰۱۰ Explosive Atmospheres Part 4: Equipment with Intrinsically Safe “I” Protection.
GB15322.3—۲۰۰۳ Portable Combustible Gas Detectors Part 3: Portable Combustible Gas Detectors with a Measurement Range of (0~100) %LEL.
JJG693—۲۰۱۱ Verification Standards for Combustible Gas Detection Alarm.
JJG 365 — ۲۰۰۸ Verification Procedures for Electrochemical Oxygen Tester
JJG695-2003 Verification Procedure for Hydrogen Sulfide Gas Detector
JJG915-2008 Verification Procedures for Carbon Monoxide Detection Alarm
This Compound Gas Monitor possesses the following features：
۱. Color-screen display, user-friendly interface.
۲. Bilingual choices: Chinese/English.
۳. Measurement of four gas concentrations: Combustible gas (LEL), Oxygen (O۲),Hydrogen sulfide (H۲S), Carbon monoxide (CO).
۴. Three alarm forms: sound/light/vibration.
۵. Data recording and review function, continuously record 120,000 data
۶. Charging function.
Compound Gas Monitor range Measuring item Unit Range Resolution Combustible gas LEL %LEL ۰~۱۰۰ ۰.۱ Oxygen O۲ %VOL ۰~۳۰ ۰.۱ Hydrogen sulfide H۲S μmol/mol ۰~۱۰۰ ۰.۱ Carbon monoxide CO μmol/mol ۰~۱۰۰۰ ۱ Accuracy ≤±۵%FS Response time (90%) Less than 30 seconds Indication mode LCD displays real-time data and system state, LED, sound, vibration indication alarm Storage Conditions Temperature:-10~55℃; Humidity:＜۸۵%RH
Operation Conditions Temperature:- 20~50℃; Humidity:＜ ۹۵%RH non-condensing
Working voltage DC 3.7V (Lithium battery capacity 1800mAh) Charging time ۷۱*۱۵۳*49mm Weight ۲۱۸.7g With battery
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