HYGROPHIL H Type 4230-10 DB 030329 31.13/me Page 2
Technical data
Humidity measurement
Measurement principle Psychrometric gas humidity measurement in line with the impact jet method
Transducer PT 100/ 4-conductor in accordance with DIN IEC 751
Computational accuracy
≤ 0.01%
Computing time Approx. 2s
Settling time t
90
= 90s (for sudden change in SH from 10 to 190 g/kg)
Air/gas throughput Max. 17,5 Nl/min
Water intake Max. 25 ml/h (tube pump)
Water reserve 2l (enough for approx. 3 days) or 11l
Compressed air intake 2...5 bar (max. air consumption 2000Nl/h)
Measured variable inputs
Measured variable Measurement range Resolution Accuracy Type
Dry temperature TT 0...140 °C
0.1 °C
≤ 0.5% of the
measurement
range
Primary
Wet temperature HT 0...140 °C
Temperature T1 0...200 °C
Absolute pressure SP 500...1500 hPa 1 hPa
≤ 1%
Dew-point temperature DT 20...100 °C 0.1 °C Calculated
Volumetric content H
2
O Vol.% 2...100 % 0.1 %
Absolute humidity MH 15...1000 g/kg 1 g/kg
Specific humidity SH 15...1000 g/kg 1 g/kg
Enthalpy h 35...1000 kJ/kg 1 kJ/kg
Current vapour pressure VP 10...1000 hPa 1 hPa
Saturation deficit DVP 0...1000 hPa 1 hPa
Outputs
Signal output
Analogue output 2 electrically isolated output channels, can be assigned to each of the
measurement ranges, spread, error behaviour programmable
Output signal 0…20 mA or 4…20 mA (programmable), linear
Permissible load
≤ 500 Ω
Accuracy
≤ 0.2% of the associated measured value
Inputs
External water detector 24 V d.c., NPN
T1
extern
PT 100/ 4-conductor in accordance with DIN IEC 751
Data interface
Field bus interface Profibus DB
Electrical data
Auxiliary power Measuring unit: 90…264 V a.c., 47...63 Hz, approx. 30 VA
Heating hose: 230 V or 115 V a.c.; approx. 100 VA/m
Relays
Warn relay Display of warnings Load: 1 A/24 V d.c., at least 10 mA
ERROR-relay Display of failures Load: 1 A/24 V d.c., at least 10 mA
Ambient conditions
Permitted working temperature +5...+50°C,
with enclosure 4230-119 for explosion protected area 22: - 30 °C … + 50 °C
Permitted storage temperature -20...+70°C (without water)
Climate category KWF in accordance with DIN 40040
Reference conditions
23°C ±2°C / 230V ± 2%
Mechanical data
Enclosure Stainless steel enclosure; protection rating IP64 in accordance with DIN 40050
Dimensions
450×410×150 mm (without mount)
Assembly drill holes
347x330 mm, 4×∅7x13mm (M6)
Weight Approx. 12.5 kg
Connections
Electrical connection Screw terminals 0.5-1.5 mm
2
; cable feed via M 16x1.5 cable gland
Compressed air supply Plug nipple NW 7
Gas sampling hose connection Special connection
(36 pages)
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