گازسنج ۴ گاز وینتکت مدل WT8811

• 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 (O_۲),Hydrogen sulfide (H_۲S), 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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