Analysis parameter: Total nitrogen
Measurement principle: alkaline persulfate digestion UV spectrophotometry
Measurement range: 0-2.5/5/20/50/200mg/l, with more range options available
Repeatability:<2%
Accuracy:<± 3% or 0.05 mg/L, whichever is greater
Detection limit: 0.03mg/L (minimum range)
Zero drift:<1% FS/24h
Range drift:<1% FS/24h
Measurement time: 21 minutes
Resolution: 0.001mg/L

Analysis parameters: Ammonia nitrogen
Measurement principle: Salicylic acid spectrophotometric method
Measurement range: 0-0.5/2.0/5.0/10.0/200 mg/l, with more range options available
Repeatability:<2%
Accuracy:<± 3% or 0.01 mg/L, whichever is greater
Detection limit: 0.01mg/L (minimum range)
Zero drift:<1% FS/24h
Range drift:<1% FS/24h
Measurement time: 15 minutes
Resolution: 0.001mg/L

Product Features:
Fully automatic analysis, simultaneous measurement of various parameters
The analysis cycle for each parameter can be set arbitrarily
Automatic calibration, automatic cleaning, with any set cycle
Multi stage concentration calibration ensures more accurate analysis results
Can increase analytical parameters such as BOD, nitrate, or nitrite

Other indicators:
Light source: Full spectrum xenon lamp
Signal output: 4-20mA, RS232/485
Working temperature: 0~45 ℃
Humidity: 10-95%
Power supply: 220 ± 10% volts, 50 ± 2% hertz
Power: Approximately 150 watts
Weight: 37-65 kilograms
Dimensions: Length * Width * Thickness=1190mm * 600mm * 320mm (Standard: with reagent cabinet)
Sample conditions: no oil or suspended solids, temperature range of 2-40 ℃;
Pressure range of 0.0 to 0.1 Bar; Flow rate of 1.5-3L/min
Protection level: IP54/NEMA13 (enclosure); IP65/NEMA4 (electronic components)