• 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

  
  
• Please refer to the manual for details
• 
• 

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