Dalian Yheng Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of online nitrogen analyzer in China. Welcome to buy high quality online nitrogen analyzer in stock here from our factory. If you have any enquiry about customized service, please feel free to email us.
Technical Specifications
| Parameter | Specification |
|---|---|
| Measuring Range | 0‑200 mg/L; 0‑2000 mg/L (custom extended range available) |
| Resolution | 0.01 mg/L |
| Basic Error | ±3 %FS |
| Repeatability | ±1.0 % |
| Power Consumption | ≤3 W |
| Power Supply | AC220V or DC12‑24V (optional) |
| Operating Ambient | ‑20 ~ 50 ℃; Relative humidity ≤90 % |
| Display | 4.3‑inch color LCD |
| Output Signals | Dual‑channel 4‑20 mA; RS485 Modbus‑RTU; Optional RS232, GPRS, print |
| Controller Dimension | 180 × 157 × 84.5 mm; Embedded cut‑out:138×138 mm |
| Installation Mode | Wall‑mount / Embedded |
| Communication Default | Baud rate 9600, 8‑N‑1, Modbus‑RTU |
Main Features
- Multi‑parameter display: 4.3‑inch color LCD screen, simultaneously shows nitrate‑nitrogen concentration, temperature, output current, time and relay alarm status. Chinese / English menu selectable.
- Dual‑channel analog output: Two‑channel isolated 4‑20 mA transmitter output for concentration and temperature respectively.
- Multiple communication interfaces: RS485 (Modbus‑RTU), optional RS232, GPRS and printing function for remote data upload.
- Multi‑channel alarm relays: Three independent alarm relay channels, supporting high‑concentration / low‑concentration alarm and automatic cleaning trigger. Alarm value & hysteresis are configurable.
- Data management: Supports external memory‑card for data recording, storage, query and export; supports timed printing.
- Flexible calibration: Multiple calibration modes including slope calibration and zero‑offset compensation to guarantee measuring accuracy.
- Installation flexibility: Supports wall‑mounted and embedded installation. Simple maintenance; only regular sensor cleaning is required.
- Password protection: Customizable user password to prevent unauthorized operation.
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