Portable pump-suction Phosphine（PH3） gas detector OC-903

รหัสสินค้า : 3498

OC-903 is portable PH3 gas detector can quickly and accurately measure PH3 gas concentration and display by LCD screen. when the PH3 gas concentration reaches or exceeds the preset alarm level, the gas detector will alarm.

OC-903 PH3 Gas Detector Feature

Semiconductor technology of ultra low power 32 bit microprocessor, 24 bit ADC acquisition chip, so with the high accuracy.

2.4 inch IPS industrial grade color screen.

Support Chinese or English operation menu.

Detecting data avaible for PPM, %VOL, mg/m3.

For 1~4 gas detecting, single gas and some composite gas.

Internal sampling pump for suction, the suction strength is adjustable in different level.

Explosion proof grade is ExiaⅡCT4.

OC-903 PH3 Gas Detector Function

Inspect the gas concentration and alarm when it reaches preset alarm level.

With auto-test and data recover function.

One-key operation to restore to factory default setting.

Temperature and pressure compensation.

Adjustable two-stage audible-visual alarm threshold value.

Powered by rechargeable lithium battery with big capacity.

Working under the micro negative pressure is avaible.

Overload protection, over charge protection, anti static interference, anti magnetic interference, etc.

OC-903 PH3 Gas Detector Applications

Common applications include chemical industry, petroleum, gas station, metallurgy, agriculture, biology pharmaceuticals, power, lab research and other industry environment where need to inspect PH3 gas concentration.

OC-903 PH3 Gas Detector Specifications 

Gas type Phosphine（PH3）

Working principle Electrochemical sensor

Measure range 0~20ppm, 0~50ppm, 0~100ppm, 0~1000ppm, 0~2000ppm, or Customized

Resolution 0.01ppm（0~100ppm）, 0.1ppm （0~1000ppm）

Precision 3%FS

Sampling method Pump-suction, flow rate of 100-1000mL L/min. (Adjustable)

Data storage About 100000 group of data capacity.

Response time ≤20S/10S Recovery time ≤20S

Repeatability ≤±1% Linearity ≤±1%

Zero drift ≤±1%（F.S/year） Display  LCD dot matrix display

Operating language Chinese or English Concentration unit ppm or mg/m3

Working temperature -30℃～60℃ Working humidity 0-95%RH(non-condensing)

Explosion-Proof grade ExiaⅡCT4  Protection grade IP65

Alarm mode Audible, visual, vibration Working pressure -30Kpa ～ 100Kpa

Dimensions 180*80*60mm Weight 0.5KG

Accessory Box, instruction, USB charger , data line, calibration cap.