OC-904 Handheld gas detector for industrial use

2019-5-23      View:
  • Brand   Henan Oceanus
  • Type   OC-904
  • Inquire Now

gas detector


OC-904 Portable gas detector which is applicable for 1~4 gas detection, with the original imported sensor, with the safe and reliable quality. For single gas and different gas composite, including the Combustible gas, Oxygen gas, Toxic gas, etc. It’s with the diffusion sampling mode, can be connected with the external pump. The portable gas detector can promise the security for the personnel working under the toxic gas in the harmful environments.

gas alarm


It used original imported sensor with good quality and high accuracy.

It can be combined with 1~4 different gas sensors for different gas type.

LCD dot matrix display, support both English and Chinese operating menu.

Adjustable preset two-stage alarm level.

With audible-visual-vibration alarm mode.

With a back clip, which is easy to carry when working.

Powered by rechargeable battery with big capacity which support a long working period.

gas monitor

Technical Specification:

Gas type

Combustible gas, Oxygen gas, Toxic gas, Carbon Dioxide, VOCs

Sensor Type

Catalytic combustion sensor for combustible gas;

Electrochemical sensor for Oxygen and Toxic gas;

Infrared sensor for Carbon Dioxide(CO2);

PID sensor for the VOCs.

Sensor life

2~3 years for Catalytic combustion sensor and Electrochemical sensor; 3~5 years for PID sensor

Display Information

Gas types, Concentration value, Concentration unit, Time, Battery status, Alarm status, etc.


Large screen LCD

Data Storage 

With data storage function with memory capacity of 1000 alarm records.

Sampling mode

Diffusion sampling (Available for connection with external pump)

Operating Language

Chinese or English operating menu is able to be changed freely.

Alarm Mode

Audible-visual-vibration alarm

Power Supply

1600mAh rechargeable lithium battery, continuous working period can reach to 10 hours or above.

Explosion-proof Grade

Ex ib IIB T3

Protection Grade


Working Environment

Working Temperature: -2050

Working Humidity: 0-95%RH (non-condensing)

Body Material

ABS and PC


ABS carrying case




210g (with charger)


2 years

portable gas alarm


The portable 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.

portable gas monitor

Detection gas: any gas type of the following: CH2O, TVOC, CO, H2S, CO2, O2, NO2, NO, SO2, NH3, Cl2, PH3, O3, F2, HCN, ClO2, C2H4, C2H4O, SF6, etc. The measuring range can be customized.

portable gas detector

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