Measurement range
0.05 to 20 mg/l NH4-N
0.5 to 50 mg/l NH4-N
1 to 100 mg/l NH4-N
0.5 to 50 mg/l with dilution function to maximum 10 to 1000 mg/l NH4-N
Process temperature
4 to 40 °C (39 to 104 °F)
Process pressure
Unpressurized
Measuring method
Comply with standard colorimetric measuring principle – indophenol blue method following ISO 7150-1, DIN 38406-5 and GB 7481-87
