Portable Helium Gas Detector with Pump

2023-4-4      View:
  • Brand   Oceanus
  • Type   OC-905
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What is the OC-905 gas detector ?

OC-905 Portable Helium He gas detector designed with the inner pump and the famous brand sensors, with stable performance and high accuracy. It can directly display the gas concentration data on the screen, the data also could be exported to the computer by USB cable.

Where can OC-905 Helium He gas detector be used ?

For the portable He gas detector, the common applications is 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 Helium He gas concentration.

What is the feature of OC-905 gas detector ?

Used the original imported sensor, semiconductor technology of ultra low power 32 bit microprocessor, 24 bit ADC acquisition chip, so with the high accuracy.

2.5 inch dot matrix display interface.

All English operation menu and easy operation.

Unit data available for %vol, ppm and mg/m3.

The circuit installed the four layers of wire, so well anti-interference.

Explosion proof grade is Ex ib C T4 Gb.

What is the funtion of OC-905 gas detector ?

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

High accuracy, good stability and good repeatability, long working life.

One-key operation to restore to factory default setting.

Adjustable two-stage audible-visual alarm threshold value.

Powered by rechargeable lithium battery with big capacity.

The built-in pump, stable flow rate, can be opened or closed;

Technical Parameter:

Gas type

Helium (He)

Measuring range

01000ppm, 100%vol or Customized

Working principle

Electrochemical sensor


1ppm, 0.01%vol





Zero drift


Sampling mode

Pump-suction sampling (Flow rate of 300ml/minute)

Data storage

Can record 300000 group of measuring data

Response time


Recovery time


Pre-heating time



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

Concentration unit

%vol, ppm, mg/m3

Working environment

Working temperature: -2060

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

Working pressure: 86Kpa 106Kpa

Explosion-Proof grade

Ex ib IIC T4 Gb

Protection grade


Alarm mode

Audible, visual

Shell material


Power supply

3.7VDC, 2800mAh,Rechargeable lithium battery

DC5V USB charger

Charge time

≤6 hours

Working time

≥24 hours






Box, instruction, USB charger , data line

Quality standard


Ada Bu (Marketing Director)

Henan Oceanus Import & Export Co., Ltd.

Email: adabu@china-oceanus.com


Tel: (0086)-371-60998169

Mobile/WhatsApp: ( 0086) 15981942832

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