Field of Application
The low dew point probe can be used in compressed air systems, refrigeration driers and adsorption driers. ROTRONIC offers the probe with EX certificate for environments with ATEX requirements.
Accessories
Suitable measurement chambers with a defined air flow rate and a quick connector for optimum dew point measurement are available in POM and stainless steel. The base unit can be used for customization.
- Highly accurate dew point and temperature measurement
- Withstands pressures up to 100 bar
- HYGROMER® LDP-1 sensor element
- Excellent repeatability
- Trace moisture monitoring at low limits
- With the latest AirChip4000 measurement technology
- Compatible with HF5 / HF8 / PF4 transmitters and HP22 / HP23 handhelds
Probe type |
Digital dew point & temperature probe |
Dimensions |
145 x 140 mm (probe head)
Hexagonal nut: 3 x 140 mm |
Weight |
260 g |
Measuring range |
-70…85 °C Td / -40...85 °C |
Dew point accuracy @ 23 °C |
±2 K Td (-50…20 °C Td)
±3.5 K Td (-60…-50 °C Td) |
Temperature accuracy @ 23 °C |
±0.2 K |
Dew point sensor |
HYGROMER® LDP-1 |
Long-term stability dew point sensor |
<1 °C Td/year |
Response time dew point sensor Ƭ63: @ -50 °C Td |
Typically <10 min, with filter |
Response time temperature sensor Ƭ63: @ -50 °C Td |
Typically <15 min, with filter |
Pressure resistance |
16 bar
100 bar (with LDP-MCS measurement chamber) |
Power supply / Power consumption |
3.3...5 VDC / <1.5 mA |
Temperature sensor |
Pt1000, Class B 1/3 |
Filter cartridge |
Sintered stainless steel, 50 μm |
Measurement interval |
2 seconds |
Communication interfaces |
UART |
Housing |
Stainless steel 1.4301 |
IP protection rating |
IP65 |
FDA/GAMP compatibility |
Yes |
CE / EMC conform |
2004/108/EC |
Maintenance |
Annual calibration (recommended) |
Storage and transport conditions |
-40…85 °C, non-condensing |