The controller can be operated manually or automatically and has various protection features. The controller connects to the analogue output of the WMA-3. The interface to the equipment to be controlled is via the solenoid valve. The rate of CO 2 supply should be no more than double that required at the full CO 2 concentration demand. Otherwise there will be large overshoots as the CO 2 concentration valve opens and true control will not be possible PP Systems will be glad to discuss your particular needs and advise on optimum configurations for your application.
Integral software allows automatic gas sampling from two channels at user-specified intervals.
Other ranges are available to special order. Two Water drop out traps. Auto calibration via keypad. 2 Control Hardware EGM-3 The analogue output may be used for external control. WMA-3 Visual Alarm.