AU400 Field Transmitter
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Detailed introduction
Product Features
- Universal controller—no need for multiple dedicated controllers; automatically recognizes digital sensors and supports plug-and-play operation.
- The dual-channel design allows connection of either one or two sensors, reducing user costs and providing a cost-effective solution for adding a second sensor in the future.
- 4.3-inch full-view color display with quick switching between digital readout mode and real-time curve mode for easy monitoring of data fluctuations. Optional NB-IoT wireless communication allows real-time data viewing via a mobile app.
- It can measure a wide range of parameters, including pH, ORP, conductivity, dissolved oxygen, turbidity, sludge concentration, residual chlorine, ammonia nitrogen, nitrate nitrogen, and COD.
- It features both manual temperature adjustment and automatic temperature compensation, with the latter supporting four calibration solutions—linear, ultrapure water, acidic, and alkaline—enabling it to accommodate a wider range of operating conditions.
Technical Specifications
| Product Name | AU400 Field Transmitter |
| Power supply | AC: (85~265)V, 50/60Hz DC: (21.6~26.4) V |
| Power consumption | ≤28W |
| Ambient temperature | Temperature: (0~60) ℃ |
| Relative humidity | Relative humidity: 10%–85% (no condensation) |
| Protection Level | IP66 |
| Flame-retardant rating | UL94V-0 |
| Electrical Interface | 6 M20×1.5 cable plugs |
| Communication Output | Isolated RS-485 interface, Modbus-RTU communication protocol |
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