Technical Data

Relative   Humidity

Measurement   range

0 … 100 %RH

Accuracy 1) 2)

at +15 … +25 °C   (59 … +77 °F)

±1 %RH (0 … 90   %)

±1.7 %RH (90 …   100 %RH)

at −20 … +40 °C   (−4 … +104 °F)

±(1.0 + 0.008 ×   reading) %RH

at −40 … +180 °C   (−40 … +356 °F)

±(1.5 + 0.015 ×   reading) %RH

Factory   calibration uncertainty 3) (+20 °C)

±0.6 %RH (0 … 40   %RH)
±1.0 %RH (40 … 97 %RH)

Humidity sensor   types

HUMICAP 180
HUMICAP 180C
HUMICAP 180R
HUMICAP 180RC
HUMICAP 180VC

Response time   (90 %) with HUMICAPâ 180 or 180C sensor at +20 °C (+68 °F)

in still air

with grid filter

8 s

with grid + steel   netting filter

20 s

with sintered   filter

40 s

Response time   (90 %) with HUMICAPâ 180R, 180RC, or 180VC sensor at +20 °C (+68 °F) in 0.1   m/s air flow

with grid filter

17 s

with grid +   steel netting filter

50 s

with sintered   filter

60 s

Temperature

Accuracy at +20   °C (+68 °F)

± 0.2 °C (± 0.36   °F)

Cable bushing

M20 × 1.5 for   cable diameter
8 … 11 mm (0.31 … 0.43 in)

Conduit fitting

1/2" NPT

User cable   connector (optional)

M12 8-pin male

Option 1

Female plug with   5 m (16.4 ft) black cable

Option 2

Female plug with   screw terminals

Housing material  

G-AlSi 10 Mg   (DIN1725)

IP rating

IP66
IP65 (NEMA4X) with local display

Weight

1.0 … 3.0 kg   (2.2 … 6.6 lb) depending on selected model and options

Standard probe   cable lengths

2 m, 5 m, or 10   m (6.6 ft, 16 ft, or 33 ft) (Additional lengths available

Probe Cable   Diameter

HMT333 (+80 °C   (+176 °F))

6.0 mm (0.24 in)

Other probes

5.5 mm (0.22 in)