Hygrometric humidity sensor with synthetic harp with or without temperature sensor for conduit mounting.
FH98x61 Hygrometric
Humidity Sensor Type
● Hygrometric humidity
sensor with synthetic harp with or
without temperature sensor for conduit mounting.
● Suitable for
stationary measurements in climatology.
● Humid element
consisting of several water-resistant synthetic fibre tapes each having
90 hygroscopic single fibres with a diameter of 0.003mm.
● Sensor usable
in the range -40 … 80°C / 30 … 100% r.H.
Accessories:
ZB9806F
Mounting flange for conduit mounting
ZB9806W
Plastic support for wall mounting
Connecting cable, 2m long, with
ZA9806F
1 ALMEMO® connector for humidity
Connecting cable, 2m long, with 2 ALMEMO®
connectors
ZA9806FT
for temperature and humidity
Types (incl. mounting flange):
FH98161
For humidity only
FH98361
For humidity and temperature
Technical Data:
Humidity Measuring Circuit
Measuring element:
synthetic harp, hygrometric,
water-resistant
Accuracy:
>40% r.H.: ±2.5%
<40% r.H.: ±3.5%</font>
Operative range:
30 … 100% r.H., -30 … 80°C
Permiss. ambient temp.:
at housing -20 … +60°C
at sensor tube: -40 … 80°C
Measuring medium:
air, unpressurised, non-aggressive
Half period at 2m/s:
1.2min
Permissible air speed:
8m/s
Output:
100 to 138.5Ω (Pt100)
corresponds to 0 to 100% r.H.
Temperature Measuring Circuit
Sensor:
Pt100
Accuracy:
DIN/IEC 751, Class B
Reproducibility:
0.1°C
Mechanical Construction
Sensor tube:
special steel, 228mm long,
16mm Ø
Housing:
ABS, protection system IP64
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