Vaisala HMDW60 Manual do Utilizador descarregar pdf (Página 16)

29Vaisala Product Catalog 2005

Ref. B210435en rev. A

Technical Data

-20 200

2.0

1.5

1.0

0.5

-0.5

-1.0

-1.5

-2.0

40 60 •C10-10 30 50

%RH

70 80

-20

-10

0.8

0.6

0.4

0.2

-0.2

-0.4

-0.6

-0.8

•C

0-20 10 20 30 40 50 60 70 80 •C

-10 100

•C

0.5

0.4

0.3

0.2

0.1

-0.1

-0.2

-0.3

-0.4

-0.5

HMD60

HMD70

HMW60

HMW70

10 4020 605030 8070 %RH

%RH

-1

-2

-3

0 90 100

(dark grey area for duct model only)

HMD/W60/70

60 series: 2-wire, 4 to 20 mA output

Wall mount RH only HMW60U

RH & T HMW60Y

Duct mount RH only HMD60U

RH&T HMD60Y

70 series: 3-wire, variable voltage output

Wall mount RH only HMW70U

RH & T HMW70Y

Duct mount RH only HMD70U

RH & T HMD70Y

Relative humidity

Measurement range

duct mount 0...100 %RH*

wall mount 0...95 %RH*

Accuracy at +20 °C

Response time at +20 °C (+68 °F),

90% response 15 s (with membrane filter)

Sensor HUMICAP® 180

* Output signal corresponds to 0...100 %RH

Temperature (Y-models only)

Linearity better than 0.1 °C

Sensor Pt 1000 IEC 751 class B

HMD60Y and HMD70YHMD60Y and HMD70Y

HMD60Y and HMD70Y

Measurement range -20...+80 °C (-4…176 °F) **

Accuracy

Temperature dependence

General - 60 series

Supply voltage 10...35 VDC (RL = 0 ohm)

20...35 VDC (RL = 500 ohm)

Output signal 4...20 mA

General - 70 series

Supply voltage range depends on the selected output signal

DC AC

0...1V 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 ohm) 10...35 V 11...24 V

**0...20 mA (RL = 500 ohm) 20...35 V 17...24 V

** HMD models only.

Power consumption @ 24 VAC

HMD/W70U 10 mA typical

HMD/W70Y 12 mA typical

General

Operating temperature range

electronics -5...+55 °C (+23…+131 °F)

sensor head (duct mount) -20..+80 °C (-4…+176 °F)

Storage temperature range -40...+80 °C (-40…+176 °F)

Long-term humidity range for

electronics (wall mount) 0...85 %RH

Housing

sensor head (duct mount) stainless steel

electronics (duct mount) cast aluminum

electronics (wall mount) ABS plastic

Connections screw terminals 0.5...1.5 mm

Sensor protection (duct mount)

standard membrane filter (part no. DRW010525)

option stainless steel

sintered filter (part no. HM46670)

For duct mount units:

Cable thread-through

bushing for 7...10 mm (PG9)

cable housing IP65 (NEMA 4) part no. 18941HM

armoured cable glands part no. 10528HM

(must be ordered separately)

For field check

HM70 hand-held humidity and temperature meter or

HMI41 humidity indicator

Complies with EMC standard EN61326-1:1997 + Am1:1998 +

Am2:2001; Generic Environment.

Wiring

HMD60/70 wiring diagram HMW60/70 wiring diagram

HUMICAP® is a registered trademark of Vaisala.

Specifications subject to change without prior notice.

HMW60Y and HMW70YHMW60Y and HMW70Y

HMW60Y and HMW70Y

Measurement range -5...+55 °C (+23…131 °F) **

Accuracy'

HUMIDITY

** Optional temperature scales are avaialble on request.

HM_2005_GLOBAL1.PMD 7.12.2004, 9:1229

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