Mô tả

Compound Gas Monitor WT8811

Compound Gas Monitor adopts high-quality gas sensors,which displays safety and reliability with accurate measurement and stable performance. It has excellent sensitivity and repeatability, easy to use and maintain, and meets the requirements by safety monitoring in industrial site for high reliability of the equipment. The shell is made of high-strength engineering plastics and compound non-slip rubber, dust and explosion-proof, with high strength and smooth handfeel.

Compound Gas Monitor is widely used in petroleum, chemical, environental protection, metallurgy, refining, gas transmission and distribution, biochemical medicine, agricultural research, etc.

FEATURES

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.

Specifications

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	7115349mm
Weight	218.7g With battery

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