This indstrument conforms with the following procedures and calibration standards:

Gb3836.1—2010 Explosive Atmospheres Part 1: General Requirements for Equipment.

GB3836.4—2010 Explosive Atmospheres Part 4: Equipment with Intrinsically Safe “I” Protection.

GB15322.3—2003 Portable Combustible Gas Detectors Part 3: Portable Combustible Gas Detectors with a Measurement Range of (0~100) %LEL.

JJG693—2011 Verification Standards for Combustible Gas Detection Alarm.

JJG 365 — 2008 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：

 

1. Color-screen display, user-friendly interface.

2. Bilingual choices: Chinese/English.

3. Measurement of four gas concentrations: Combustible gas (LEL), Oxygen (O₂),Hydrogen sulfide (H₂S), Carbon monoxide (CO).

4. Three alarm forms: sound/light/vibration.

5. Data recording and review function, continuously record 120,000 data

6. Charging function.

 

Compound Gas Monitor range
Measuring item	Unit	Range	Resolution
Combustible gas LEL	%LEL	0~100	0.1
Oxygen O2	%VOL	0~30	0.1
Hydrogen sulfide H2S	μmol/mol	0~100	0.1
Carbon monoxide CO	μmol/mol	0~1000	1
Accuracy	≤±5%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:＜85%RH
Operation Conditions	Temperature:- 20~50℃; Humidity:＜ 95%RH non-condensing
Working voltage	DC 3.7V (Lithium battery capacity 1800mAh)
Charging time	71*153*49mm
Weight	218.7g With battery