RS485 Digital Dissolved Oxygen Meter with OPD70 Sensor 0-50mg/L Range and IP66 Protection for Water Analysis
Professional dissolved oxygen analyzer featuring 0.01 mg/L resolution, 2 settable relays, RS485 Modbus communication, and automatic salinity compensation. Ideal for aquaculture, wastewater treatment, and industrial water monitoring with 14,000 data point recording capacity and dual power supply options.
Place of Origin
China
Relay Control
2 settable SPST relays
Size
144*144*120mm
Product Name
Dissolved Oxygen analyzer
DO Saturation Display Range
0-400%
Model Number
DUC2-DO-H
Product Description
The DUC series digital dissolved oxygen analyzer is a single-parameter controller with pre-installed embedded software that adapts to various dissolved oxygen digital sensors. By connecting different sensor types, it meets measurement requirements across multiple application scenarios.
Utilizing the fluorometric method with Daruifuno's OPD70 DO sensor, this system accurately measures dissolved oxygen content in water with 0.01 mg/L resolution and 0.1 mg/L accuracy.
Key Advantages
- 2 settable SPST multi-function relays and 2 high-precision 0/4~20mA current outputs
- Time and historical data recording functions for comprehensive data management
- Two-wire RS485 with Modbus RTU communication protocol
- Built-in salinity and atmospheric pressure compensation functions
Industrial Applications
Aquaculture industry, sewage treatment plants, boiler feed water, condensate systems, and various industrial processes requiring precise dissolved oxygen monitoring.
Technical Specifications - Dissolved Oxygen Controller
| Parameter | Specification |
|---|---|
| Product Model | DUC2-DO-H |
| DO Concentration Range | 0-50 mg/L |
| DO Saturation Range | 0-400% |
| Temperature Range | -10 to 500℃ / 14 to 932℉ |
| Atmospheric Pressure Range | 30-120 kPa |
| Salinity Compensation | 0.0001-99999 ppt |
| Relay Control | 2 SPST relays, 3A/250VAC max load |
| Analog Output | 2 settable 0/4~20mA, 1000Ω max load |
| Communication | MODBUS RTU with JSON support |
| Display | 128×64 LCD |
| Data Recording | 14,000 historical data points with timestamp |
| Protection Level | IP66 |
| Power Supply | 18-36V DC or 100-240V AC |
| Dimensions | 144×144×120mm (138×138mm panel cutout) |
| Weight | 800g |
Technical Specifications - Dissolved Oxygen Sensor
| Parameter | Specification |
|---|---|
| Product Model | OPD70 |
| Measuring Range | 0.00-20.00 mg/L, 0-200% |
| Resolution | 0.01 mg/L |
| Accuracy | 0.1 mg/L, 1% |
| Response Time | 90% of value in under 60 seconds |
| Operating Temperature | 0.0-50.0℃ |
| Work Pressure | 0-3 Bar |
| Material | PPS construction |
| Dimensions | 25mm diameter, 150mm total length |
| Installation | 1" NPT thread, 100mm insertion depth |
| Protection Level | IP68 |
| Weight | 450g |
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