Meta Description:
Portable multi gas detector OC-850 supports 1-5 gas monitoring with PID, NDIR and electrochemical sensors. Ideal for industrial gas leak detection.
Product Overview:
OC-850 is a highly customizable portable multi gas detector designed for industrial safety and gas leakage monitoring. It supports flexible combinations of 1 to 5 gases and integrates advanced sensor technologies including electrochemical, NDIR, PID, and catalytic combustion.
Built for reliability in harsh environments, OC-850 delivers accurate, real-time gas concentration readings to ensure worker safety and regulatory compliance.
Features:
- Supports 1–5 gas combinations, customizable by user needs
- Compatible with Electrochemical, NDIR, PID, and catalytic sensors
- Dual sampling modes: Pump suction (1L/min) & Diffusion
- High precision industrial-grade gas sensors
- Fast response time ≤10 seconds
- LCD display showing gas concentration, status, and alarms
- Explosion-proof design (Exia II CT4)
- IP66 protection, suitable for harsh environments
- Multiple alarm modes: sound, light, and vibration

Technical Specification:Gas Detected Customized by customers Detection principle Customized by customers Catalytic combustion、Electrochemistry、NDIR、PID, etc
Sampling Method Diffusion type or Pump suction(1L/min) Measure Range As gas type Resolution 1%LEL、0.1%VOL、1PPM、0.1PPM Precision ≤± 3% F.S. Data store 9999 groups alarm information Response Time ≤10S Recovery Time ≤10S Repeatability ≤±1% Linearity error ≤±1% Zero shift ≤±1%(F.S/Y) Display LCD screen Operating language English or Chinese Gas unit PPM, %VOL, %LEL Temperature -40~70℃ Humidity 0-95%RH Explosion-Proof ExiaⅡCT4 Protection level IP66 Alarm mode Sound, light and vibration Operating time 100hours(off pump) Dimensions 205*75*32mm Weight 300g Remark: If you need gas or measuring range not listed on the above, pls send us your details requirments for further discussion.
Applications:
- Oil & gas industry
- Chemical plants
- Mining operations
- Confined space monitoring
- Environmental safety inspection
Company profile
We Henan Oceanus is located in Henan, a land with a long history and profound cultural heritage, has been dedicated to the research, development, production, and sales of Gas detection system and Environment equipments since its establishment. With exquisite technology and outstanding quality, we have won widespread recognition in the global marketing.

01. Business areas
As a leader in the field of Gas detector and Air quality monitor system, we Henan Oceanus will be continued to expand its business scope and provide customers around the world with customizable Air quality monitor system of various types and specifications.
02. Values and ideas
Our company upholds the core values of integrity and quality service, focusing more on friendship with our customers. We always adhere to integrity management, customer-centered, and provide a full range of pre-sales, sales, and after-sales services to ensure that customers can be worry-free when using our products.
03. Global Service Network
We have a comprehensive global service network, offering timely, professional pre-sales consultation, after-sales service, and technical support for overseas users. Regardless of where users are located, they can enjoy our attentive and thoughtful service.
04. Customer Service
With excellent products and services, Henan Oceanus Gas detector and Air quality monitor system have been exported to more than 100 countries around the world and have won widespread praise.

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
Our address:
No. 2206, Wenhua Chanye Building Block B, No. 77, Shangding Road, Zhengzhou Area, Henan Pilot Free Trade Zone
Email: info@china-oceanus.com
Telephone: +86 0371 60998169
Mobile/Whatsapp: +86 15981942832
Mobile/Whatsapp: +86 13673683950





