Used the original imported sensor, semiconductor technology of ultra low power 32 bit microprocessor.
2.5 inch dot matrix display interface.
All English operation menu and easy operation.
Unit data avaible for PPM, %VOL, mg/m3, LEL, PPB.
The circuit installed the four layers of wire, so well anti-interference.
Explosion proof grade is Exd ib ⅡC T4 Gb.
Inspect the gas concentration and alarm when it reaches preset alarm level.
High accuracy, good stability and good repeatability, long working life.
One-key operation to restore to factory default setting.
Adjustable two-stage audible-visual alarm threshold value.
Powered by rechargeable lithium battery with big capacity.
The built-in pump could be controlled.
OC-905 Gas Detector Applications
Common applications include chemical industry, petroleum, gas station, metallurgy, oil, municipal, environment protection, agriculture, biology pharmaceuticals, power, lab research and other industry environment where need to inspect TVOC gas concentration.
OC-905 Gas Detector Specifications
Gas type |
TVOC | ||
Working principle |
Electrochemistry sensor or PID sensor |
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Measure range |
0~500ppm, 0~1000ppm, 0~2000ppm, 0~5000ppm, 0~10000ppm, 0~30000ppm, 0~50000ppm, 0~3%vol, 0~5%vol, 0~100%vol, or customized |
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Resolution |
0.1ppm(0~10000ppm), 1ppm(0~1000ppm), 0.01%vol(0~100%vol) |
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Precision |
≤3%FS |
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Sampling method |
Pump-suction sampling |
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Data storage |
About 100000 group of data capacity.(Optional) |
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Response time |
T90≤30s |
Pre-heating time |
≤60S |
Repeatability |
≤±1% |
Display |
LCD dot matrix display |
Operating language |
English or Chinese |
Concentration unit |
ppm,mg/m3, %vol, %LEL |
Working temperature |
-20℃~60℃ |
Working humidity |
10%-95%RH(non-condensing) |
Explosion-Proof grade |
Exd ib ⅡCT4 Gb |
Protection grade |
IP66 |
Alarm mode |
Audible, visual |
Working pressure |
86Kpa ~ 106Kpa |
Dimensions |
135*65*35mm |
Weight |
0.5KG |
Accessory |
Box, instruction, USB charger , data line |
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Quality standard |
GB15322.1-2003,GB3836.1-2010,GB3836.2-2010,GB3836.4-2010 |
If any more questions about the OC-905 TVOC gas detector, welcome to contact with us.