PDP Check S Mobile Dew Point Sensors

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Alarm unit

Buzzer and continuous red light

Digital process meter PDP Check S

System ready for plug-in

Everything completely wired

2 alarm contacts

(230 VAC, 3 A) pre- and main alarm freely adjustable

4-20 mA analogue output

Standard measuring chamber

Dew point sensor PDP Sens 1/2

The dew-point set is wired ready to plug in at the factory. The alarm values can be set freely. The dew point sensor PDP Sens 1/2 is extremely long-term stable and can be quickly and easily installed and removed under pressure via the screw-on measuring chamber and quick coupling.

Technical data display PDP Check S


118 x 92 x 93 mm


LED red, 7 segments, height: 13 mm, 5 digits, 2 LED for alarm relay


4 keys


4-20 mA

Power supply

230 VAC, 50/60 Hz; Option: 24 VDC or 110 VAC 50/60 Hz

Alarm outputs

2 x relay output, changeover contact, 250 VAC, max. 3 A

Operating temperature

-10-+60 °C

(storage temperature -20°C-+80°C)

Alarm thresholds

freely adjustable


2 °Ctd

Analog output

4-20 mA = -80-20 Ctd or -20-50°Ctd.

Dew Point Sensors

Knowing the dew point of their compressed air allows users to dry it more efficiently while ensuring that it does not contain too much moisture. Dew sensors play an important role in this regard. They allow compressed air users to always keep an eye on the air’s dew point and to take the necessary steps to control it – all while only drying it as much as needed. And that can save a lot of energy.