OC-903 Portable Multi Gas Detector For NH3, H2S And LEL

2019-8-26      View:
  • Brand   Henan Oceanus
  • Type   OC-903
  • Inquire Now
Introduction

Description:

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, mg/m3, %LEL.

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

Explosion proof grade of Exia II CT4.


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, mg/m3, %LEL.

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

Explosion proof grade of Exia II CT4.


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 specifications:

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%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

%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

500g

Accessory

Box, Instruction, USB charger, Data line, Calibration cap, CD


Applications:

The portable multi gas detector used in the gas safety inspection and alarm for industrial scene, such as petroleum refinery, chemical plants, LPG stations, boiler rooms, gas stations, paint spray booths, metallurgy, mining, fire, environmental protection, etc., where need to inspect the gas concentration of the Combustible gas and Toxic gas.


Our company specializes in the development, production, sales and after-sales service of environmental monitoring instruments. If any inquiry, pls contact us: 

Email: info@china-oceanus.com; Tel: +86-371-60998169


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