Method |
Water Quality Ammonia-Nitrogen Measurement-Salicylic Acid Method |
Range |
0.01~2~10~100mg/L |
Zero Drift |
<0.02mg/L |
Span Drift |
<1% |
Indication Error |
±10% |
Repeatability |
≤3% |
Memory Effect |
20%F.S. ±0.3mg/L |
80% F.S. ±0.2mg/L |
|
Interval |
Hourly and interval measurement, and the instrument can also be started by serial port |
Maintenance |
<2 hour/month |
Quantitative Lower Limit |
0.01mg/L |
Quality Control Sample Comparison |
±10% |
Water Sample Comparison |
>2mg/L±10% ≤2mg/L±0.2mg/L |
Reagent |
1 set reagents is able for about 250 times of measurement (can be customized according to field needs) |
External Interface |
1×4-20mA input/output (expandable to 2 ) RS485/RS232/USB interface/WIFI/ Bluetooth (optional) |
Working Temp |
5℃~40℃ |
Power |
200W (220VAC 50Hz), regardless of the pump |