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HMW60U/Y 
Operating Manual

HMW60U/Y-U190en-1.2

2

1996-08-16

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

10...35 VDC (RL= 0

)

20...35 VDC (RL=500

)

Output signal

4...20 mA

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.

Summary of Contents for Humicap HMD60U

Page 1: ...n can be conveniently performed on site with the HMI41 indicator equipped with an appropriate probe and optional calibration cable Figure 1 Dimensions of the HMD60U Y GROUNDING If the cable diameter i...

Page 2: ...ET T TEST 1 2 3 4 5 mA TEST RH mA mA mA or or Figure 3 Electrical connections Signal cables are connected to a removeable 5 pole screw connector Make the connections according to Figure 3 above RH tes...

Page 3: ...racy is recommended to be checked at least once a year the interval depends on the operating conditions and the required accuracy of the measurement The transmitter calibration can be conveniently che...

Page 4: ...ing cast aluminium Cable lead through 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 1703...

Page 5: ...RH T X3 X4 UP wet dry HUMICAP sensor sensor Figure 2 Electrical connections Signal cables are connected to a removeable 5 pole screw connector Make the connections according to Figure 2 110 4 33 85 3...

Page 6: ...ge 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 mm2 Electromagnetic compatibility The emission...

Page 7: ...rformed on site with the HMI41 indicator equipped with an appropriate probe and optional calibration cable GROUNDING If the cable diameter is less than 7mm use a shrinking tube or an adhesive tape cab...

Page 8: ...SUPPLY HMD70U Y transmitter Controller VAC VAC Us GND signal RH T GND Us RH T signal HMD70U Y transmitter Figure 4 The recommended AC connection HMD70U Y transmitter HMD70U Y transmitter Controller s...

Page 9: ...he accuracy is recommended to be checked at least once a year the interval depends on the operating conditions and the required accuracy of the measurement When checking the transmitter calibration us...

Page 10: ...s 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 ca...

Page 11: ...te the UP sign which shows the correct mounting position Be careful not to damage the HUMICAP 180 sensor ELECTRICAL CONNECTIONS AND CALIBRATION POTENTIOMETERS RHout Tout Us GND T RH 0 1V 0 5V RH T T R...

Page 12: ...s an increased risk of a short circuit To avoid this use a separate floating supply for each transmitter see Figure 3 However if several transmitters have to share one transformer the phase must alway...

Page 13: ...rs 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 electr...

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