KEZE K301S series of ammonia nitrogen analyzer is an online water quality analyzer independently developed by KEZE with independent intellectual property rights.
The K301S total ammonia nitrogen analyzer has multiple advantages such as high scalability, precision, and stability. It is a highly intelligent instrument that meets national environmental protection standards and online instrument standards.
| Parameter | Direct measurement of NH4+ |
| Measurement Method | Salicylic acid spectrophotometry |
| Range | （0.000～1.000/2.000/5.000/10.000/20.000/50.000/ 100.000）mg/L |
| Range Selection | Automatic or Manual Range Selection |
| Multi-Stream | Up to two 4-20 mA signals |
| Repeatability | ±3% of reading or ±0.2 mg/L P, whichever is greater |
| Stability | ±2% |
| Cycle Time | From 30 minutes, depending on range and application |
| Communication | Modbus RTU, Modbus TCP/IP & Profibus (when the Profibus option is selected, the digital output signals are sent through the Profibus converter with its specific communication protocol). |
| Enclosure Rating | IP65 |
| Sample Inlet Temperature | 2 – 60 °C |
| Ambient Temperature | 5 – 45 °C |
| Humidity | 5 – 85 % (non-condensing) |
| Data Storage | Previous 9999 analysis data on screen in the microcontroller memory and storage of data archive for the lifetime of the analyzer in the SD/MMC card. |
| Display | Maximum pixels 800*600 backlit LCD with LED backlight |
| Power Requirements (Voltage) | AC（220±22）V(customizable) |
| Power Requirements(Hz) | 50/60 Hz |
| Service Interval | 1 month service intervals |
| Dimensions(H x W x D) | 1371 mm×470mm×372 mm |
| Weight | 60 kg |
1 Stability
2 Simplicity
3 High Adaptability
4 Low Maintenance
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