1.It is composed of DWG-8004-1 liquid road system and electronic unit with microprocessor. It has automatic constant temperature device. The temperature of measured liquid is kept at around 35℃.

2.Its functions include automatic calibration and slope calculation .

3.It adopts backlight dot LCD display and Chinese menu to realize human-computer interaction.

4.It has isolated output signal of(4～20)mA DC, and it has the upper limit and lower limit of corresponding concentration of chloride ion.

5.It has upper limit alarming signal. The alarming relay contact electric capacity : 2A、AC 250V

6.It has optional RS-232 and RS-485 digital ports and can realize digital output.

7.It has data protection function in power failure. Even if abnormal power failure occurs, the stored data will be kept effective.

1.Measuring range:2.0 mg/L～2.00g/L

2.Measuring accuracy: ±10％(readings)

3.Stability: ±3％（FS）/24h

4.Response time<=10min

5.temperature of water sample：(5～35)℃

6.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.

7.Dimension (length x width x height ) ：600×450×1607mm

8.Weight：50kg