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. Description: OC-850 is a compact multi-gas detector supporting 1~5 freely combined gas sensors, compatible with Electrochemical, Catalytic Combustion, NDIR, PID and Semiconductor sensor technologies. It supports dual sampling modes: default diffusion sampling and optional external pump suction sampling (1L/min flow). Equipped with LCD display, sound-light-vibration triple alarm, IP65 waterproof casing and stainless steel front filter screen, it can store 9999 groups of alarm data. With long standby time up to 100 hours under diffusion mode, it is widely used in confined space operation, chemical factory, pipeline maintenance, environmental gas safety inspection. Features: Supports 1-5 customizable gases, compatible with Electrochemical, NDIR, PID and semiconductor sensors. Dual sampling modes: diffusion & pump suction (1L/min pump flow). Adopts imported high-precision industrial sensors for accurate measurement. LCD screen real-time displays gas concentration, gas type and alarm status. Stainless steel filter protects sensor probe and ensures stable air intake. Sound, light & vibration triple alarm; stores up to 9999 sets of alarm data. Dual language (CN/EN), IP65 protection, Ex ib IIB T3 explosion proof certification. Max 100h long battery life, compact size and lightweight for portable use.   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 Ex ib IIB T3 Protection level IP65 Alarm mode Sound, light and vibration Operating time 100hours（off pump） Dimensions 205*75*32mm Weight 300g Application Scenarios Confined space inspection: sewage well, pipeline, cellar, tank entry operation Petrochemical, chemical plant, gas station, paint workshop leakage patrol Fire rescue, environmental emergency detection, industrial safety routine inspection Metallurgy, mining, municipal engineering, building construction gas safety monitoring 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? Henan Oceanus Company, 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 detectors since its establishment. With exquisite technology and outstanding quality, we have won widespread recognition in the global market. Our address: No. 2206, Wenhua Chanye Building Block B, No. 77, Shangding Road, Zhengzhou Area, Henan Pilot Free Trade Zone Email: [email protected] Telephone: 86 0371 60998169 Mobile/Whatsapp: 86 15981942832 Mobile/Whatsapp: 86 13673683950