DUC2-DO-S-A Dissolved Oxygen Transmitter 0-50mg/L with OTA and 100-240VAC for Sewage Water Monitoring
The DUC2-DO-S-A dissolved oxygen transmitter measures dissolved oxygen (DO) levels from 0-50mg/L with automatic temperature and salinity compensation. Designed for sewage water monitoring applications, this industrial-grade instrument features OTA (Over-The-Air) configuration and operates on 100-240VAC power.
| Parameter | Specification |
|---|---|
| Model | DUC2-DO-S-A |
| DO Measurement Range | 0-50mg/L (ppm) |
| Temperature Range | -10 to 500°C / 14 to 932°F |
| Atmospheric Pressure | 30-120kPa |
| Resolution | 0.01 mg/L for DO concentration |
| Relay Control | 2 SPST relays, 3A/250VAC max load |
| Analog Output | 2 settable 0/4-20mA outputs, max load 1000Ω |
| Communication | RS485 interface with MODBUS RTU |
| Display | 128*64 LCD with adjustable backlight |
| Power Supply | 100-240VAC, ~7W consumption |
| Dimensions | 144×144×120 mm |
| Protection Rating | IP66 |
| Weight | Approximately 800g |
- Compatible with DRFN digital DO sensors (fluorescence and polarography)
- Automatic atmospheric pressure compensation
- OTA download technology for smart configuration
- Records 14,000 historical data points
- Dual-language interface (Chinese/English)
- Password protection to prevent misoperation
- Multiple installation options: wall, pipe clamp, or panel mounting
- Sewage treatment plants
- Surface water monitoring
- Aquaculture water bodies
- Industrial wastewater treatment
- Aquariums and water quality monitoring
The controller is compatible with all DRFN digital dissolved oxygen sensors including fluorescence and polarography types.
Connected sensors upload data using encrypted communication protocols to ensure stable, high-precision data acquisition.
The DO controller supports automatic cleaning control functions. Our DO sensors include cleaning interfaces for water or air cleaning systems (solenoid valve required).
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