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HMM30C MODULE

HMM30C

U312en-1.3

Operating Manual

99-11-29

HMM30C humidity module

GENERAL

The HMM30C humidity module is an open print, which is connected with two screws. Its
small sensor head is separated from the circuit board with a cable. Mounting dimensions
are shown in Figure 1.

215 (8.46)

ø1
2

1500 (59.05)

49
 (

1

.9

3)

24 (0.94)

55
 (

2

.1

6)

(0

.47)

42.5 (1.67)

Figure 1  Mounting dimensions in mm (in inches)

ELECTRICAL CONNECTIONS

Make connections according to Figure 2.

+

OUT

-

2

1

3

DC/AC
POWER
SUPPLY

V/mA

Figure 2

Electrical connections

Summary of Contents for HMM30C

Page 1: ...two screws Its small sensor head is separated from the circuit board with a cable Mounting dimensions are shown in Figure 1 215 8 46 ø12 1500 59 05 49 1 93 24 0 94 55 2 16 0 47 42 5 1 67 Figure 1 Mounting dimensions in mm in inches ELECTRICAL CONNECTIONS Make connections according to Figure 2 OUT 2 1 3 DC AC POWER SUPPLY V mA Figure 2 Electrical connections ...

Page 2: ...output range is chosen with appropriate jumpers see Figure 3 When the output has been chosen and the module has been connected to an external power supply it is ready for use RQH SRLQW FDOLEUDWLRQ FRQQHFWRU RXWSXW VHOHFWLRQ 9 9 9 P GU HQG FDOLEUDWLRQ ZHW HQG FDOLEUDWLRQ Figure 3 Output selections and calibration connectors and potentiometers ONE POINT HUMIDITY CALIBRATION The calibration can be ch...

Page 3: ...remove it and insert a new one Handle the sensor by the plastic socket DO NOT TOUCH THE SENSOR PLATE Check the output after sensor change If it deviates too much from the reference value recalibrate the module Replace or clean a dirty filter The sensor can be cleaned with distilled water if this does not help replace the sensor Do not use any mechanical methods TECHNICAL DATA Relative humidity Mea...

Page 4: ...ics 0 85 RH Mechanics Sensor protection Sintered filter Ø 12 mm PCB dimensions 55 x 42 5 x 23 mm Weight 144 g Cable length 1 5 m 5 ft SPARE PARTS AND ACCESSORIES Order code Description 0195 sintered filter 12 mm HUMICAP K HUMICAP humidity sensor GUARANTEE Vaisala issues a guarantee for the material and workmanship of this product under normal operating conditions for one 1 year from the date of de...

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