HORIBA HC-200NH Field-installation type ammonia nitrogen meter

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 not more than 10 times
          the 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