LV31X. Signal Modifier for on/off regulation and LERX/LESX regulation. The on/off regulation makes it possible to open an LESX damper to a desired opening by reducing the control signal. The LERX/LESX regulation improves the balance by adjusting the signal from LERX damper.
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LV51X. Is applied for Pressure Monitor and Pressure Guard for process ventilation plants. The minimum and maximum alarm limits are selected according to the desired pressure level in the extraction or air inlet plant.


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