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system and wait for the elimination of high pressure. When the high pressure eliminates, the
controller will try to start up for the first time after 1 minute. If the water pressure is normal, the water
producing process will be resumed. If the start-up fails for three times, the system will come into a
dead-lock status. Press the ECS key(external control switch) or the reset key to exit and then restart.
Conductivity over limit alarm:
When the conductivity of the measured solution is over limit, the “HIGH” lamp on the panel
will be lightened, the buzzer will give an alarm, and the control relay will switch on (this relay can
drive to turn on the by-pass valve. When the conductivity falls below the limit, the alarm will be set
off.
Main technical specifications:
1. Power voltage: AC 220V±15% 50Hz Power consumption: ≤3W
2. Environment conditions: 1) temperature: 0～50℃; 2) humidity: ≤85%RH
3. Measuring range: 0～200μS /cm accuracy: 1.5 level
4. Load capacity of output contact: 3A/250V AC (the magnetic valve should be driven through
intermediate relay)
5. Operation pressure of conductance cell: 0～0.5Mpa
6.Medium temperature:5～50℃
7.Temperature compensation: automatic temperature with 25℃ as reference temperature
8. Distance of measuring range: less than 30m (the ex-factory configuration of electrode cable is 5m unless
there is a special agreement)
9. Display mode: 3 1/2-digit LED digital display
10. Electrode selected: 1.0cm
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11. outline dimensions: 96×96×110mm (height×width×depth)
meter board hole: 92×92mm (height×width)
4 Front Panel Illustration
Fig. 2 Front panel
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