Vaisala Humicap HMD60U Manuel utilisateur

HMD60U/Y

HMD60U/Y-U166en-1.2 Operating Manual

1996-04-12 1

HUMIDITY TRANSMITTER HMD60U

HUMIDITY AND TEMPERATURE TRANSMITTER HMD60Y

MOUNTING

Ø 12

(0.47)

250 (9.84)62 (2.44)

100 (3.94)

Mounting hole 82 (3.23)>>>

The HMD60U/Y humidity and

temperature transmitters are two-wire

transmitters. They are duct mounted, and

the electronics can be disconnected

without dismantling the installation.

Mount the transmitter with two screws.

Place the drilling template on the duct

surface and drill the holes as indicated.

Remember to drill an additional hole for

calibration purposes. The calibration 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 is less

than 7mm, use a shrinking

tube or an adhesive tape)

cable

braid

flexible wires 0.5 mm²

(AWG 20), stranded wires

recommended

D = Ø 7...10mm

brass

disks 25

rubber

ring

nut

brass disks

140

165

shielding tube

braid

Figure 2 Signal cable grounding with

bushing 18941HM

Open the lid and mount the cable

bushing set 18941HM. Do the grounding

according to Figure 2. When connecting

the signal cable to the transmitter housing,

fold the cable braid between the brass disk

in order to achieve the best EMC per-

formance. Do not leave the bare shield of

the connected wires so that it can

shortcircuit the electronics!

HMD60U/Y

Operating Manual HMD60U/Y-U166en-1.2

21996-04-12

ELECTRICAL CONNECTIONS

-RH +T+RH -T

T GAIN

RH GAIN

RH OFFSET

T OFFSET

TEST

12345

TEST

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 test and T test connectors are

used with the HMI41 indicator equipped with an appropriate probe and

optional calibration cable.

HMD60U/Y

HMD60U/Y-U166en-1.2 Operating Manual

1996-04-12 3

ELECTRONICS

10528HM

18941HM

GLANDS

LID

SCREW TERMINAL

SCREWS

MEMBRANE FILTER

part no. 17039HM

SPARE PART SENSOR

HUMICAP180

STAINLESS STEEL SINTERED FILTER

part no. HM46670

TO REMOVE THE SENSOR HEAD:

1. Open the lid

2. Disconnect the screw terminal

3. Open the screws (2 pcs)

4. Pull out carefully

TO REINSTALL THE SENSOR HEAD:

1. Push in the sensor head

2. Fasten the screws

3. Connect the screw terminal

4. Close the lid

Electronics (can be disconnected), accessories, spare parts

ONE-POINT RH-CALIBRATION

The 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. The transmitter calibration

can be conveniently checked with the

HMI41 indicator equipped with an

appropriate probe and optional

calibration cable. If adjustment is

needed, use the one-point calibration

potentiometer. If you prefer to calibrate

the HMD60U/Y transmitters against

saturated salt solutions, use LiCl (11

%RH) and NaCl (75 %RH) solutions.

REPLACEMENT OF THE HUMICAP

SENSOR AND THE FILTER

Remove the damaged sensor and insert a

new one. Recalibrate the transmitter.

Replace a dirty filter (membrane or

sintered) to ensure a maximum lifetime

and a fast response for the sensor. Do not

attempt to clean the filter.

HMD60U/Y

Operating Manual HMD60U/Y-U166en-1.2

41996-04-12

TECHNICAL DATA

Relative humidity

Measurement range 0...100 %RH

Output signal

Accuracy at +20 °C

10 4020 605030 8070 %RH

%RH

-1

-2

-3

090 100

Temperature dependence

-20 200

2.0

1.5

1.0

0.5

-0.5

-1.0

-1.5

-2.0

8040 60 °C10-10 30 50 70

%RH

Humidity sensor HUMICAP180

Response time (90%)

at 20 °C in still air 15 s with membrane

filter

Temperature (Y model only)

Measurement range -20...+80 °C

Accuracy

-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

Linearity better than 0.1 °C

Temperature sensor Pt 1000 IEC 751 class B

General

Supply voltage 10...35 VDC (RL= 0Ω)

20...35 VDC (RL=500Ω)

Output signal 4...20 mA

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 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. 17039HM)

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 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.

HMW60U/Y

HMW60U/Y-U190en-1.2 Operating Manual

1996-08-16 1

HUMIDITY TRANSMITTER HMW60U

HUMIDITY AND TEMPERATURE TRANSMITTER HMW60Y

MOUNTING

The HMW60U/Y humidity and tempera-

ture transmitters are truly two-wire

transmitters that can be mounted directly

on the wall. First attach the base plate

with the two screws provided. Thread

wires through the opening in the

transmitter board. Note the UP sign

which shows the correct mounting

position. Be careful not to damage the

HUMICAP180 sensor.

ELECTRICAL CONNECTIONS

-RH

+RH

-T

T OFFSET

T GAIN

OFFSET GAIN

RH TEST T TEST

mA OR

RH T

X3 X4

(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 (3.35)

33 (1.30)

Figure 1 Dimensions of the HMW60U/Y

REPLACEMENT OF THE HUMICAP

SENSOR

Remove the damaged sensor and insert a

new one. Handle the sensor by the plastic

socket. Recalibrate the transmitter.

ONE-POINT RH-CALIBRATION

The accuracy is recommended to be

checked at least once a year; the interval

depends on the operating conditions and

the required accuracy of the measure-

ment. If adjustment is necessary, use the

RH offset potentiometer. The transmitter

calibration can be conveniently checked

with the HMI41 indicator equipped with

an appropriate probe and optional

calibration cable.

HMW60U/Y

Operating Manual HMW60U/Y-U190en-1.2

21996-08-16

TECHNICAL DATA

Relative humidity

Measurement range 0...95 %RH

(output signal corresponds to 0...100 %RH)

Accuracy at +20 °C

10 4020 605030 8070 %RH

%RH

-1

-2

-3

090 100

Temperature dependence

200

1.0

0.5

-0.5

-1.0

40 60 °C

%RH

10 30 50-10

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

-10 10040 50

20 60

30 °C

°C

0.5

0.4

0.3

0.2

0.1

-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= 0Ω)

20...35 VDC (RL=500Ω)

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 mm2

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.

HMD70U/Y

HMD70U/Y-U162en-1.4 Operating Manual

1996-08-21 1

HUMIDITY TRANSMITTER HMD70U

HUMIDITY AND TEMPERATURE TRANSMITTER HMD70Y

MOUNTING

Ø 12 (0.47)

250 (9.84)

62 (2.44)

<<< Mounting hole

82 (3.23)

100 (3.94)

>>>

100 (3.94)

82 (3.23)

Mounting

hole

Figure 1: Dimensions of the HMD70U/Y

The HMD70U/Y duct mounted humidity

and temperature transmitters are three-

wire transmitters. Mount the transmitter

with two screws. Place the drilling

template on the duct surface and drill the

holes as indicated. Remember to drill an

additional hole for calibration purposes.

The calibration can be conveniently

performed 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)

cable

braid

(AWG 20), stranded wires

recommended

D = Ø 7...10 mm

brass

disks

rubber

ring

nut

brass disks

shielding tube

braid

140

165

flexible wires 0.5 mm²

Figure 2: Signal cable grounding

Open the lid and mount the cable bushing

set. If your transmitter has cable gland

bushing (part no. 18941HM), do the

grounding according to the Figure 2.

When connecting the signal cable to the

transmitter housing, fold the cable braid

between the brass disk in order to achieve

the best EMC performance. Do not leave

the bare shield of the connected wires so

that it can shortcircuit the electronics!

HMD70U/Y

Operating Manual HMD70U/Y-U162en-1.4

21996-08-21

ELECTRICAL CONNECTIONS AND INSTALLATION OF THE CURRENT MODULE

INSTALLATION OF

THE CURRENT MODULE 18945HM

1. Take off the jumpers

2. Connect the module; note the

right direction!

3. Connect the power supply

OUTPUT SELECTIONS

0...1V

0...5V

0...10V

0...20mA

current

module

TEST

CONNECTOR

111

12 345

current module 0...20 mA

RH OFFSET

T OFFSET Us

out T

out GND

V/mA

DC/AC

power supply

V/mA

RH GAIN

T GAIN

Figure 3: Electrical connections and installation of the current module

CONNECTION TO AN AC SUPPLY

HMD70U/Y transmitter Controller

VAC

GND

signal

RH/T

GND

Us RH/T

signal

HMD70U/Y transmitter

Figure 4: The recommended AC connection

HMD70U/Y transmitter

Controller

shared

common line

VAC

GND

RH/T

signal

Figure 5: A common loop formed in an AC

connection

The HMD70U/Y transmitters can also be

connected to an AC supply without an

external rectifier. However, when more

than one transmitter is connected to one

AC transformer, a common loop is

formed and there is an increased risk of a

short-circuit. To avoid this, use a

separate floating supply for each

transmitter (see Figure 4). However, if

several transmitters have to share one

transformer, the phase (~) must always

be connected to Us connector in each

transmitter (see Figure 5).

HMD70U/Y

HMD70U/Y-U162en-1.4 Operating Manual

1996-08-21 3

10528HM

18941HM

GLANDS

LID

SCREW TERMINAL

SCREWS

MEMBRANE FILTER

part no. 17039HM

SPARE PART SENSOR

HUMICAP180

STAINLESS STEEL SINTERED FILTER

part no. HM46670

TO REMOVE THE SENSOR HEAD:

1. Open the lid

2. Disconnect the screw terminal

3. Open the screws (2 pcs)

4. Pull out carefully

TO REINSTALL THE SENSOR HEA

1. Push in the sensor head

2. Fasten the screws

3. Connect the screw terminal

4. Close the lid

Figure 6: Electronics (can be disconnected), accessories and spare parts

ONE-POINT RH CALIBRATION

The 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, use the HMI41

indicator provided with an appropriate

probe and optional calibration cable. If

adjustment is necessary, use the humidity

offset potentiometer. If you prefer to

calibrate the HMD70U/Y transmitters

against saturated salt solutions, use LiCl

(11 %RH) and NaCl (75 %RH) solutions.

REPLACEMENT OF THE HUMICAP

SENSOR AND THE FILTER

Remove the damaged sensor and insert a

new one. Recalibrate the transmitter.

Replace a dirty filter (membrane or

sintered) to ensure a maximum lifetime

and a fast response time for the sensor.

Do not attempt to clean the filter.

HMD70U/Y

Operating Manual HMD70U/Y-U162en-1.4

41996-08-21

TECHNICAL DATA

Relative humidity

Measurement range 0...100 %RH

Accuracy at 20 °C

10 4020 605030 8070 %RH

%RH

-1

-2

-3

090 100

Temperature dependence

-20 200

2.0

1.5

1.0

0.5

-0.5

-1.0

-1.5

-2.0

8040 60 °C10-10 30 50 70

%RH

Response time (90%)

at +20 °C in still air 15 s with membrane

filter

Humidity sensor HUMICAP180

Temperature (Y model only)

Measurement range -20...+80 °C

Accuracy

-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

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. 17039HM)

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 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.

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