u It was applied in monitoring of surface water quality in rivers and lakes.
u It is applied for sewage discharge monitoring in industrial and mining enterprises and cities.
u Industrial process control: The instrument is used for water quality monitoring in many fields including environmental protection, petrochemistry, chemical industry, electricity generation, Pharmaceuticals, food security, electronics and tap water supply.
u It adopts potassium dichromate digestion-redox titration method to measure COD in water.
u It measures up to the standard of HJ/T 377 water quality online automatic monitor.
u It can conduct automatic measurement, calibration, cleaning and digestion. Also, the user can set up measurement, cleaning, calibration, digestion time and temperature.
u It adopts industrial computer control and work by computer operation.
u It has leakage warning system, overheating temperature warning and reagent shortage warning function.
u It can realize self-diagnosis of function failure, self-protection and telecommunication warning.
u It can store up to 2000 sets of measuring data and has deletion and viewing function.
u The signal of 4~20mA can be connected with RS-232 port.
u It has long-distance communication function.
1. Measuring range: 0～100mg/L；0～1000mg/L；0～5000mg/L
2. Repeatability or accuracy: ±5％ or ±5mg/L( within 100mg/L)
3. Zero drift: ±5mg/L
4. Span drift: ±10％
5. potassium hydrogen phthalate test: the error range is ±10％ or ±6mg/L(within 100mg/L)
6. The continuous time of failure-free operation>=720h.
7. Normal working conditions of instrument
a) Ambient temperature: (0～40)℃
b) Relative humidity<=90%
c) Power supply: AC voltage (220±22)V, frequency(50±0.5)Hz
d) No corrosive gas in the surrounding atmosphere
e) There is no function-affected oscillation in surrounding environment
f) There is no other disturbance of electromagnetic field other than geomagnetic field.
8. Dimension (length x width x height ): 600mm×455mm×720mm
9. Weight: 50kg