Search

Multi gas detector

OC-840 Portable multi gas detector

OC‑840 portable 4‑in‑1 multi‑gas detector simultaneously measures Ex, O₂, H₂S and CO. Equipped with original imported sensors for stable and accurate readings.
It adopts diffusion sampling and supports external pump connection. Audible‑visual‑vibration triple alarm with 75dB loud sound. 3.7V 1800mAh rechargeable lithium battery delivers more than 10 hours continuous operation. IP65 protection grade, Ex ib IIB T3 explosion‑proof rating, durable ABS+PC housing, supplied with aluminum alloy carry case. Certified by CE, RoHS, CNEx, ATEX. Ideal for confined space, mine, underground pipeline, chemical plant, sewage treatment and industrial sites to protect workers from hazardous gas risks.

OC-840 Portable multi gas detector for CO, O2, H2S, Ex  


 

 

Description:  

OC-840 Portable multi gas detector with voice alarm which is applicable for 4 gas detection of the CO, O2, Ex, H2S, with the original imported sensor, with the safe and reliable quality. 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.  

Features:  

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, also with the voice alarm.  

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

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


 

Technical Specification:  

Gas type  

Ex, O2, H2S, CO  

Sensor Type  

Catalytic combustion sensor for Ex;  

Electrochemical sensor for O2, H2S and CO.  

Sensor life  

2~3 years   

Measuring range  

Ex:0~100%LEL  

O2:0~30%VOL  

H2S: 0~100ppm  

CO: 0~1000ppm  

Display Information  

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

Display  

Large screen LCD  

Alarm Storage   

With alarm data storage function, can review the data from the detector..  

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, sound≥75dB  

Power Supply  

3.7V, 1800mAh rechargeable lithium battery, continuous working period over 10 hours.  

Explosion-proof Grade  

Ex ib IIB T3  

Protection Grade  

IP65  

Working Environment  

Working Temperature: -20℃~50℃  

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

Body Material  

ABS and PC  

Package  

Aluminum alloy box  

Dimensions  

140*73*32mm  

Weight  

300g (with charger)  

Warranty  

1 years  

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 After-sales service:

1. OEM service for LOGO, model, Technical Parameters, Operation manual, etc.

2. Free calibration service and provide calibration methods.

3. One year warranty and lifetime warranty


How To Cooperate With Us?

We look forward to collaborating with more overseas gas detector and air quality monitor distributors and partners  to advance the development and application of gas detection and air quality monitoring technologies.

Our Address

No. 923, Floor 9, Unit 2, NO.78, Shangding Road, Zhengzhou, China.

Phone Number

+86 15981942832

E-Mail

info@china-oceanus.com

INQUIRY

CATEGORIES

CONTACT US

Contact:Oceanus Team

Mobile/WhatsApp:+86 15981942832

Mobile/WhatsApp:+86 13673683950

E-mail:info@china-oceanus.com

Add:No.923, Floor 9, Unit 2, NO.78, Shangding Road, Zhengzhou, China