HMD70U/Y Operating Manual
M210277EN-C
4
TECHNICAL DATA
Relative humidity
Measurement range
0...100 %RH
Accuracy at 20
°
C
Temperature dependence
Response time (90%)
at +20
°
C in still air
15 s with membrane
filter
Humidity sensor
INTERCAP 15778HM
Temperature (Y
model only)
Measurement range
-20...+80
°
C
Accuracy
Linearity
better than 0.1
°
C
Temperature sensor
Pt 1000 IEC 751class B
General
Supply voltage range depends on the selected output
signal. When AC supply is used, an isolated source is
recommended. The current outputs require an
optional output module, part no. 18945HM.
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
0...20 mA (RL = 0
Ω
)
10...35 V 11...24 V
0...20 mA (RL = 500
Ω
)
20...35 V 17...24 V
Factory setting 0...1V. Other outputs selectable by
jumper connections. An output change causes an error
which is less than 0.5 %RH without recalibration.
Operating temperature range:
electronics
-5...+55
°
C
sensor head
-40...+80
°
C
Storage temperature range
-40...+80
°
C
Housing:
sensor head
stainless steel
electronics housing
cast aluminium
Cable glands
bushing
for 7...10 mm (PG9)
cable (housing IP65/
NEMA 4),
part no 18941HM
or armoured cable glands
part no 10528HM
Sensor protection:
standard
membrane filter
(part no. DRW010525)
option
stainless steel sintered
filter
(part no. HM46670)
Connections
screw terminals
0.5...1.5 mm2
Electromagnetic compatibility
The emission and immunity tests have been
performed according to standard EN 61326-1:1997 +
Am 1:1998, Electrical equipment for measurement,
control and laboratory use- EMC requirements; Light
environment.
Emissions:
Test
Radiated interference
CISPR16, class B
Immunity:
Test
Setup according to
Electrostatic discharge
EN/IEC 61000-4-2
Electrical fast transients
EN/IEC 61000-4-4
RF-radiated fields
EN/IEC 61000-4-3
*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.
Vaisala Oyj
Vanha Nurmijärventie 21,
FI-01670Vantaa, Finland
