Portable CH2O gas detector description:
OC-850 Portable Formaldehyde CH2O gas detector which is applicable for CH2O detection, 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 harmful environments.
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.
Portable CH2O gas detector features:
- Detects 1–5 gases simultaneously
- Compatible with electrochemical, NDIR, PID, and semiconductor sensors
- Flexible gas configuration for different detection environments
- Pump suction or diffusion sampling mode (optional)
- LCD display showing gas concentration, gas type, and alarm status
- High-precision imported sensors for accurate measurement
- Built-in self calibration and zero calibration functions
- Temperature and pressure compensation for reliable readings
- Two-level alarm system: sound, light, and vibration
- Adjustable alarm set points
- One-key factory reset function
- Large capacity rechargeable lithium polymer battery
- Durable PC + TPE housing: anti-slip, waterproof, dustproof, explosion-proof
- Stainless steel filter for better gas flow and sensor protection

Portable CH2O gas detector technical specification:
| Gas type | Formaldehyde (CH2O) |
| Sensor Type | Electrochemical sensor |
| Sensor life | 2~3 years |
| Measuring range | 0~10ppm |
| Display Information | Gas types, Concentration value, Concentration unit, Time, Battery status, Alarm status, etc. |
| Display | 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, sound≥75dB |
| Power Supply | 3.6V, 1600mAh rechargeable lithium battery, continuous working period can reach to 10 hours or above. |
| Explosion-proof Grade | Ex ib IIB T3 |
| Protection Grade | IP65 |
| Working Environment | Working Temperature: -40℃~70℃
Working Humidity: 0-95%RH (non-condensing) |
| Body Material | ABS and PC |
| Package | ABS carrying case |
| Dimensions | 205*75*22mm |
| Weight | 300g (with charger) |
| Warranty | 2 years |
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 profileWe 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






