Real-Time Monitoring
Integrated display and alerts
The PDP Check 500 S2/S1 features a built-in display and alarm relay, allowing users to set thresholds and receive instant alerts if moisture levels exceed safe limits.
Fast & Stable
Quick response & long-term accuracy
With a fast adaptation time and stable sensor performance, it delivers precise, real-time dew point readings, ensuring reliable moisture control.
Key Specs
Flexible connectivity & high pressure resistance
Equipped with Modbus-RTU, 4-20 mA output, and pressure resistance up to 500 bar (special version), it seamlessly integrates into compressed air and gas monitoring systems.
General specifications
Technical specifications PDP Check 500 S2/S1 |
|
---|---|
Measuring range |
-80…20 °Ctd, |
Accuracy |
± 1 °C at +50…-20 °Ctd |
Pressure range |
-1…50 bar |
Power supply |
24 VDC (10…36 VDC) |
Protection class |
IP 65 |
EMC |
In acc. with DIN EN 61326-1 |
Operating temperature |
-20…50 °C |
Connection |
2 x M12, 5-pin for analogue output, Modbus-RTU and alarm output, M-Bus (optional) Ethernet (PoE) (optional) |
PC connection |
Modbus-RTU interface (RS 485) |
Output (3-wire) |
4…20 mA = -80…20 °Ctd |
Burden for analogue output |
< 500 Ω |
Alarm relay |
NC, max. 60 VDC, 0.5 A |
Screw-in thread |
G 1/2″ |
Dimensional housings |
76.5 x 85 x 75 mm (WxHxD) |
- Integrated display
- Threshold value adjustable via keypad, alarm relay (max. 60 VDC, 0.5 A)
- Pressure-tight up to 500 bar (special version)
- Extremely stable in the long term
- Quick adaptation time
- 4...20 mA analogue output for dew point
- Different refrigeration and adsorption dryer versions
- Modbus-RTU interface
- Higher resolution of sensor signal due to the improved evaluation electronics
- Sensor diagnosis on site with a portable device or PMH Service Software
- Ethernet interface (PoE)