Oceanus OC-903 便携式NH3, H2S 与 LEL气体检测仪 (Ex:0~100%LEL/NH3:0~100ppm/H2S:0~100ppm)

Gas type： NH3, H2S, Ex

Working principle： Catalytic combustion sensor for Ex

                                Electrochemical sensor for NH3 and H2S

Measuring range： Ex: 0~100%LEL, NH3: 0~100ppm, H2S: 0~100ppm

Resolution： Ex: 0.01%LEL, NH3: 0.01ppm, H2S: 0.01ppm

Precision： ≤±3%FS

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

Data logger function: About 100,000 group of data capacity.

Response time： ≤20s/10s

Recovery time： ≤20s

Repeatability: ≤±1%

Linearity: ≤±1%

Zero drift: ≤±1%(F.S/year)

Display: Gas type, concentration unit, value, Time, Temperature, Humidity, pump and battery status

Concentration unit: %lel, ppm, mg/m3

Working environment: 

Working temperature: -30~60 degree

Working humidity: 0~95%RH (non-condensing)

Working pressure: -30Kpa~100Kpa

Explosion-proof Grade: Ex ia IIC T4

Protection grade: IP65

Alarm mode: Audible-visual-vibration alarm

Dimension： 180m'm

Weight： About 500g

Accessory: Box, instruction, USB charger , data line, calibration cap and CD.

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