Kal 200

Independent of external reference pressures
Calibration even in rooms with no mains electricity (optional rechargeable battery power supply)
No external power adapter or measuring instrument required (internal power supply/measuring input for test objects)

P 26

Reduction of in the variety of models and easy inventory control
Scalable measuring range
Protected against pressure peaks and incorrect operation
Two adjustable limit switches permit the connection of e.g. ventilators or signalling devices
Savings in additional circuitry costs (optional)
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NEW: Now also as "Air Counter" to determine air conditioning consumption, see the following brochure