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NEXI-MIC-600-O2-A Online Oxygen Gas Detector,Petrochemicals/Pharmaceutical Manufacturing/Smart Factory,RS485, 4–20mA

Brand: Nexisense

Model: MIC-600-O2-A

Output: RS485, 4–20mA, 0–5V, 1–5V, Wireless, Hart

Power: DC 12–36V (Recommended 24V/1A)

IP Rating: IP66

Range: 0–10 ppm, 0–100 ppm (customizable)

Description: The Nexisense MIC-600-O2-A online oxygen detector and alarm integrates electrochemical sensing, high-precision temperature and humidity detection, audible and visual alarms, and multiple communication outputs. Suitable for petroleum, chemical, and environmental protection industries, it enables highly reliable 24-hour online monitoring of oxygen concentration. Its explosion-proof and lightning-proof design supports remote monitoring and data storage, setting a new benchmark for industrial-grade safety monitoring equipment.

Products Description
Nexisense MIC-600-O2-A Oxygen Gas Detector

Nexisense MIC-600-O2-A Online Oxygen Gas Detector Product Definition

Nexisense MIC-600-O2-A Online Oxygen Gas Detector  is an industrial-grade fixed online oxygen gas detector designed for continuous and real-time gas concentration monitoring in harsh environments. It provides local audible/visual alarms and remote transmission capabilities, making it ideal for applications inpetrochemical, pharmaceutical, environmental protection, metallurgy, and power industries.    

   The product integrates advanced sensor technology, electromagnetic compatibility design, smart control systems, and industrial-grade protection, delivering a reliable and intelligent safety detection solution.

Detection Principle

The Nexisense MIC-600-O2-A Online Oxygen Gas Detector supports multiple oxygen sensing principles for different environments:

  • Electrochemical: Measures current generated by O₂ reaction at electrodes; offers high precision and fast response.

  • Zirconia-based: Designed for high-temperature environments, ensures stability at several hundred °C.

  • Fluorescence quenching (optional): Ideal for complex environments; features fast response and long-term stability.

Built-in temperature compensation and zero-point tracking algorithms ensure long-term accuracy and reliability.

Structural Analysis

The MIC-600-O2-A features a modular, rugged industrial design:

  • Housing: Die-cast aluminum explosion-proof case with fluorocarbon coating for corrosion resistance (IP66rated).

  • Display: 2.5-inch full-color screen showing concentration, temperature, humidity, alarm status, and time.

  • Sensor Unit: Supports 1 to 6 gas channels with internal chamber or pump-suctionconfiguration.

  • I/O Ports: RS485 (Modbus RTU), 4–20mA, relays, and optional wireless modules.

  • Control: Remote configuration via infrared remote for safe, non-intrusive operation.

Measurement Modes

  • Diffusion: Natural air diffusion,suitable for ambient environment detection.

  • Pipeline: Installed with M45×1.5 orflange, suitable for closed or ducted systems.

  • Pump-suction: External pump draws gas from remote orhigh-temp zones.

  • Flow-through (optional): Designed for monitoring fast-flowing gases in dynamicsettings.

Key Features

Versatile Output Options

  • Supports RS485/Modbus RTU and 4-20mA standard signals

  • Compatible with PLC, DCS, and data acquisition systems

  • Direct relay control for solenoids, fans, or alarms

Advanced Alarm System

  • Three-level audible/visual alarm

  • Customizable alarm thresholds

  • Dry contactoutputs for system integration

Data Logging & Remote Monitoring

  • Built-in memory for up to 100,000 records

  • Supports SD card expansion

  • Free PC/mobile software for LAN/internet access

Smart Configuration

  • Infrared remote for setup/calibration/muting

  • Error-proof operation and automatic overwrite

  • Multi-language UI, unit switching, auto molecular weight conversion

Nexisense MIC-600-O2-A Online Oxygen Gas Detector Technical Specifications

ParameterSpecification
Detected GasOxygen (O₂), up to 6 gas types
Range0–10 ppm, 0–100 ppm (customizable)
Resolution0.01%Vol or 1 ppm
PrincipleElectrochemical, Zirconia,Fluorescent (optional)
Accuracy≤±2%F.S.
Response Time (T90)≤10 seconds
Recovery Time≤10 seconds
OutputRS485, 4–20mA, 0–5V, 1–5V, Wireless, Hart
AlarmVisual + Audible, 3 dry contactrelays
Power SupplyDC 12–36V (Recommended 24V/1A)
Storage100,000 records, expandable via SD card
Temperature Range-40℃ to +70℃ (sample gas up to 1300℃)
Humidity≤95% RH (≤99% with pretreatment)
Protection LevelIP66 (optional rain cover)
Explosion-proof GradeExdⅡCT6
Size/Weight240×180×90 mm /1.8 kg

Nexisense MIC-600-O2-A Online Oxygen Gas Detector Application Scenarios

  • Petrochemical: Monitor combustible and oxidizing gases during refining processes

  • Pharmaceuticals: Control gas composition in cleanroom environments

  • Flue Gas Monitoring: Real-timedetection for boilers and power plants

  • Environmental Protection: Monitor VOCs and hazardous leaks

  • SmartFactories: Centralized monitoring of gas pipelines and confined spaces

Conclusion

The Nexisense MIC-600-O2-A Online Oxygen Gas Detector is more than a high-performance oxygen detector—it is a comprehensive solution combining real-time monitoring, smart alarms, remote control, and industrial-grade reliability. With its precision, durability, and intelligent functionality, it isthe go-to choice for critical safety environments.    

   Whether in petrochemical refining, thermal processing, or precision manufacturing, Nexisense MIC-600-O2-A Online Oxygen Gas Detector   stands as the reliable guardian of your workplace safety.    


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