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HP480/HP481 – Measurement of Dew Point in Compressed Air Systems
Brand: Delta OHM S.R.L.Compressed air is used for several purposes, many of which require compressed air with a low humidity level, and so comes the need to know the dew point (DP) of water vapour in the compressed air that circulates in the system.
The HP480 and HP481 probes are designed specifically for this purpose.
Features- Prevents Corrosion of Metal Pipes;
- In Cold Areas, Prevents The Formation of Ice Inside The Pipes Leading To Obstruction of The Pipes Themselves;
- Prevents Bacterial Growth in Plants for Medical Use;
- Reduces Maintenance Costs of Pneumatic Drives, Maintaining The Proper Lubrication of Moving Parts;
- Improves The Quality of Products Coming Into Contact With Air, For Example In The Drying Process of Granulates.
Specifications
Brand
Relative Humidity Sensor
- capacitive
Relative Humidity Measuring Range
- 0 to 100 %RH
Relative Humidity Accuracy (@ T = 15…35° C)
- ± 1,5 %RH (0 to 90 %RH), ± 2 %RH (remaining field)
Relative Humidity Accuracy (@ T = -40…+60° C)
- ± (1,5 + 1,5 % of the measured value) %RH
Relative Humidity Long Term Stability
- < 1 %RH/year
Temperature Sensor
- Pt100
Temperature Measuring Range
- -40° to +60° C
Temperature Accuracy
- ± 0,25° C
Dew Point Sensor
- Parameter calculated from the measurement of temperature and relative humidity
Dew Point Measuring Range
- -40 to +60° C DP
Dew Point Accuracy (@ T = 20° C)
- ± 2° C DP (-40 to 0° C DP)
- ± 1° C DP (0 to +20° C DP)
Connection
- HP480: G 1/2” or G 1/4” or quick coupling
- HP481: G 1/2”
Regulation of the Air Flow
- HP480: From 0,2 to 3 l/min
Cable Length
- HP480: 2 m
- HP481: 2 m (other lenghts on request)
Filter
- Sintered 15 µ AISI 316 steel
Material of the Measuring Chamber
- AISI 304 stainless steel
Operating Temperature of the Probe
- -40° to +80° C
Operating Pressure of the Probe
- HP480: 0 to 16 bar
- HP481: -1 to 16 bar
Protection Degree
- IP65
Compatibility with Ethylene Oxide (C2H4O)
- The Max. allowed concentration in continuous operation which causes a deviation within 2 % is 3 ppm