Description
Compound Gas Monitor WT8811
The WT8811 Compound Gas Monitor is a portable multi-gas detector designed for reliable safety monitoring in industrial and hazardous environments. It simultaneously detects combustible gases (LEL), Oxygen (O₂), Hydrogen Sulfide (H₂S), and Carbon Monoxide (CO) with clear real-time readings on a color LCD display
Compound Gas Monitor WT8811
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 |
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