1.It adopts touch screen display and Chinese operation interface for easy use.
2.It is equipped with automatic constant temperature controlling system and it can keep the measured solution at the right temperature.
3.It has automatic cleaning, calibration, measurement, recording and storage function. It also has power failure protection.
4.Each functional parameter can be adjusted according to different requirements. In addition, the sampling period of sampling pump can be set at random.
5.It has isolated output signal (4～20)mA DC, and it has the upper limit and lower limit of corresponding concentration of Ammonia and Nitrogen.
6.The upper and lower limit warning system can be adjusted.
7.It has RS-232 or RS-485 communication port.
1.Measuring range:
0.05mg/L～0.99mg/L、1.00mg/L～9.99mg/L、10.0mg/L～99.9mg/L、100mg/L～1000mg/L
2.The interval time for discontinuous measurement: 1h～12h
3.Value error range: ±10%
4.Repeatability: relative standard deviation<=3%
5.Stability≤10%/4h
6.Response time(T90)：≤5min
7.Normal instrument working conditions
a) Ambient temperature：(0～40)℃
b) Relative humidity<=80%
c) Power supply: AC voltage(220±22)V，Frequency(50±1)Hz
d) There is no corrosive gas in surrounding air.
e) There is no function-affected oscillation in surrounding environment.
f) There is no other disturbance of electromagnetic field apart from geomagnetic field.
9. Dimension (length x width x height ) ：600×450×1607mm
10. Weight: 50kg
11. Sampling requirements：（5～10）m3/h；（0.2～0.4）bar
12. pH value of allowed samples: The pH value（5～9）of the acidified buffer solution must be adjusted to 5～7 by sodium hydroxide solution.
