Oceanus OC-905 便携式砷氢化物AsH3 气体检测仪 (AsH3: 0~50ppm)

Gas type： Arsenic Hydride (AsH3)

Working principle: Electrochemical sensor

Measuring range： 0~10ppm, 20ppm, 50ppm or Customized.

Resolution： 0.01ppm

Precision： ±≤3%FS or Customized

Sampling method: Pump-suction sampling, flow rate of 300ml/min

Data storage: Can record 300000 group of measuring data

Response time： T90≤20s

Recovery time： ≤20s

Repeatability: ≤±1%

Zero drift: ≤±1%(F.S/year)

Pre-heating time: ≤60s

Display: LCD dot matrix display of the Gas type, gas concentration unit, gas concentration data, time, battery status, data storage status

Concentration unit: ppm，mg/m3

Working environment: 

Working temperature: -20~60 degree

Working humidity: 10%~95%RH (non-condensing)

Working pressure: 86Kpa ～ 106Kpa

Explosion-proof Grade: Ex ib IIC T4 Gb

Protection grade: IP66

Alarm mode: Audible, visual

Shell material: Metal

Power supply: 3.7VDC, 2800mAh, Rechargeable lithium battery; DC5V USB charger

Charge time: ≤6 hours

Working time: ≥24 hours

Dimension： 135*65*35mm

Weight： 0.5KG

Accessory: Box, instruction, USB charger , data line.

Quality standard: GB15322.1-2003,GB3836.1-2010,GB3836.2-2010,GB3836.4-2010

Option: For other measuring ranges please see datasheet or Contact us to customize the suitable one.