Description:

OC-903 portable TVOC gas detector used in the different many applications, such as Animal farms, Working room, poultry, Landfill, water treatment, Crematorium, Food storage, environment protection, toilet and other environment where need to inspect TVOC gas concentration.

Features:

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 English language menu.

The gas concentration unit support for the ppm, and mg/m3.

For 1~4 gas detection, supporting single gas, two gas, three gas and four gas inspection.

With the inner pump and the suction strength is adjustable in different level.

Explosion proof grade of Ex ia IIC T4 Ga.

Function:

Inspect the gas concentration and alarm when it up to the preset alarm level.

With auto-test and data recover function.

One-key operation to restore to factory default setting.

Temperature and pressure compensation function.

Adjustable two stage audible-visual alarm threshold value.

Powered by rechargeable lithium battery with big capacity.

Working under the micro negative pressure is available.

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

Technical Specification:

Gas type	VOC(Volatile Organic Compounds)
Working principle	PID sensor (Electrochemical sensor)
Measuring range	0~5ppm, 0~10ppm, 0~100ppm, 0~50ppm, 0~1000ppm, 0~5000ppm or Customized
Resolution	0.01ppm, 1ppm
Precision	≤±2%F.S
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	Mg/m3, ppm
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 Ga
Protection grade	IP65
Alarm mode	Audible-visual-vibration alarm
Dimension	180m'm
Weight	500g
Accessory	Box, Instruction, USB charger, Data line, Calibration cap, CD

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