HMW70U/Y
HMW70U/Y-U191en-1.2
Operating Manual
1996-08-16
3
TECHNICAL DATA
Relative humidity
Measurement range
0...95 %RH
(output signal corresponds to 0...100 %RH)
Accuracy at
+20
°
C
1 0
4 0
2 0
6 0
5 0
3 0
8 0
7 0
% R H
%RH
3
2
1
0
-1
-2
-3
0
9 0
1 0 0
Temperature dependence
2 0
0
1.0
0.5
0
-0.5
-1.0
4 0
6 0 ° C
%RH
1 0
3 0
5 0
- 1 0
Response time (90%)
at 20
°
C in still air
15 s
Humidity sensor
HUMICAP
180
Temperature (Y model only)
Measurement range
-5...+55
°
C
Accuracy
- 1 0
1 0
0
4 0
5 0
2 0
6 0
3 0
° C
°C
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
Linearity
better than 0.1
°
C
Temperature sensor
Pt 1000 IEC 751
class B
General
Supply voltage range depends on the selected output
signal. When an AC supply is used, an isolated source
is recommended.
DC
AC
0...1 V
10...35 V
9...24 V
0...5 V
14...35 V
12...24 V
0...10 V
19...35 V
16...24 V
Factory setting 0...1 V. Other outputs selectable by
jumpers connections. An output change causes an
error which is less than 0.5 %RH without
recalibration.
Operating temperature
range
-5...+55
°
C
Storage temperature range
-40...+80
°
C
Long-term humidity range
for electronics
0...85 %RH
Housing:
cover
ABS plastic
base plate
PA
Connections
Screw terminals
0.5...1.5 mm
2
Electromagnetic compatibility
The emission and immunity tests have been performed
according to standards EN50081-1 and EN50082-1.
Emissions:
Test
Setup according to Performance
Radiated
interference
EN55022 class B
Immunity:
Test Setup according to Performance
Electrostatic
discharge
IEC 801-2:1991 criteria B
Electrical fast
transients
IEC 801-4:1988 criteria B
RF radiated
fields
IEC 801-3:1984 criteria A
*GSM-field
immunity
ENV50204:1995 criteria A
(* additional test)
GUARANTEE
Vaisala issues a guarantee for the material and
workmanship of this product under normal operating
conditions for one year from the date of delivery.
Exceptional operating conditions, damage due to
careless handling or misapplication will void the
guarantee.
