| Combination sensor unit model |
AM-2000 |
| Sensor model |
7691*: Ammonium ion chip, 7692*: Potassium ion chip for compensation, 7211: Reference chip |
| Measurement range |
NH4-N: 0~1000mg/L (display range: 0~2000mg/L)
Temperature: 0~40°C (display range: -10~110°C) |
| Display resolution |
NH4-N: 0.01mg/L: 0.00~10.00mg/L
0.1mg/L: 0.0~100.0mg/L
1mg/L: 0~1000mg/L
Temperature: 0.1°C |
| Repeatability |
NH4-N: Larger value between 3%±1 digit of measured value or 0.2mg/L±1 digit (with standard solution)
Temperature: ±0.3°C |
| Potassium ion compensation |
Compensation range: Potassium ion concentration is under 10 times of ammonium ion concentration and under 1000mg/L
Compensation error: ±20% (measured value) |
| Additional function |
Adjustment with manual analysis (1 point), calibration curve input function (primary expression) |
| Self-diagnostic function |
Correction error, sensor diagnostic error, transmitter malfunction |