In addition to differential pressure, the PIZ differential-pressure transducer also records positive and negative overpressure. The central unit is a pressure cell with a diaphragm spring made of beryllium bronze which, in accordance with the pressure difference, is displaced between two chambers. The displacement is measured, without making contact, via an inductive displacement recorder. The device does not contain any components that can rub against each other or parts subject to mechanical wear. The device is best suited for use in air-conditioning and ventilation units, for monitoring filling levels and for filter control.
- for positive and negative differential pressures
- highly accurate and stable for long periods
- llittle zero point drift or hysteresis; largely independent of temperature
- also available as a two-wire system!
from +/- 50 Pa to +/- 100 kPa
+/- 1%, optional +/- 0.5 +/- 0.2 %
0- 10V, 0- 20mA, 4- 20mA
24 VAC, 24 VDC, 230 VAC
Air, all non aggressive gases
(optional) 1, 2, 5 s