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Portable pump-suction gas detector OC-905 gas alarm portable gas detector

Henan Oceanus Import & Export Co., Ltd
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Address: Jinjiang International Garden No. 10, Weilai Road, Zhengzhou, China

Contact name:Ada Bu

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Henan Oceanus Import & Export Co., Ltd

Portable pump-suction gas detector OC-905 gas alarm portable gas detector

Country/Region china
City & Province zhengzhou henan
Categories Smoke Detector
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Product Details

Feature

  • Used the original imported sensor, semiconductor technology of ultra low power 32 bit microprocessor, 24 bit ADC acquisition chip, so with the high accuracy.
  • 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.

Function

  • u 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.

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 combustible or toxic gas concentration.

 

Specifications

 

Gas typeCombustible gas, oxygen, toxic gas
Working principle

Catalytic combustion for combustible gas;

Electrochemical for toxic gas and oxygen.

PID sensor for TVOC gas;

NDIR sensor for CO2, CH4

Measure rangeNormal range or be customized.
ResolutionDepended on the gas types
Precision≤3%FS
Sampling methodPump-suction sampling
Data storageAbout 100000 group of data capacity.
Response timeT90≤30sPre-heating time≤60S
Repeatability≤±1%DisplayLCD dot matrix display
Operating languageEnglishConcentration unitppm,mg/m3, %vol, %LEL
Working temperature-20℃~60℃Working humidity10%-95%RH(non-condensing)
Explosion-Proof gradeExd ib ⅡCT4 GbProtection gradeIP66
Alarm modeAudible, visualWorking pressure86Kpa ~ 106Kpa
Dimensions135*65*35mmWeight0.5KG
AccessoryBox, instruction, USB charger , data line
Quality standardGB15322.1-2003,GB3836.1-2010,GB3836.2-2010,GB3836.4-2010

 

Target gas list:

GasDetecting RangeAlarm ThresholdSensor Type
NH30-100 PPM25 PPM / 50 PPMElectrochemical sensor
Cl20-50.0 PPM10 PPM / 20 PPM
H20-1000 PPM50 PPM / 100 PPM
CH2O0-100 PPM25 PPM / 50 PPM
O20-30.0%vol18.5%vol / 23.5%vol
H2S0-100 PPM10 PPM / 20 PPM
HCl0-30.0 PPM5.0 PPM / 10.0 PPM
HCN0-50.0 PPM5.0 PPM / 10.0 PPM
PH30-20.0 PPM0.3 PPM / 0.6 PPM
HF0-10.0 PPM3.0 PPM / 6.0 PPM
NO0-250 PPM25 PPM / 50 PPM
CO0-500 PPM35 PPM / 70 PPM
SO2

0-20.0 PPM

0-2000 PPM

2.0 PPM / 10.0 PPM

10 PPM / 20 PPM

ClO20-50.0 PPM0.3 PPM / 0.5 PPM
NO20-20.0 PPM1.0 PPM / 2.0 PPM
C2H4O0-100 PPM10 PPM / 20 PPM
O30-20.0 PPM5.0 PPM / 10.0 PPM
CH40-100%LEL25%LEL / 50%LELCatalytic combustion sensor
C3H80-100%LEL25%LEL / 50%LEL
H20-100%LEL25%LEL / 50%LEL
NH30-100%LEL25%LEL / 50%LEL
C2H4O0-100%LEL25%LEL / 50%LEL
CH3CH30-100%LEL25%LEL / 50%LEL
C2H40-100%LEL25%LEL / 50%LEL
C4H100-100%LEL25%LEL / 50%LEL
C4H80-100%LEL25%LEL / 50%LEL
C7H80-100%LEL25%LEL / 50%LEL
C2H7N0-100%LEL25%LEL / 50%LEL
C8H100-100%LEL25%LEL / 50%LEL
CH4O0-100%LEL25%LEL / 50%LEL
C2H6O0-100%LEL25%LEL / 50%LEL
C3H4O0-100%LEL25%LEL / 50%LEL
C2H3Cl0-100%LEL25%LEL / 50%LEL
C2H7N0-100%LEL25%LEL / 50%LEL
C3H9N0-100%LEL25%LEL / 50%LEL
CH3Br0-100%LEL25%LEL / 50%LEL
CO20-10.0%vol1.0%vol / 3.0%volNDIR infrared sensor
0-5000ppm800 PPM / 1500 PPM
CH4

0-5.0%vol

0-100%vol

1.0%vol / 3.0%vol

5%vol / 10%vol

VOC0-300ppm50ppm/ 100ppmPID sensor

 

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