Vaisala HUMICAP MMT310 Manual de servicio Pagina 17
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DMW19 Wall Mount Dewpoint Transmitters for
Indoor Applications
The wall mount Vaisala HUMICAP
®
Dewpoint Transmitter DMW19 is
designed for use in air conditioning
and other indoor wall mount
applications where accurate and
stable dewpoint measurement is
required. DMW19 is an ideal choice
for demanding building automation
applications where dewpoint is the
preferred parameter for humidity
measurement.
Proven Vaisala HUMICAP®
Sensor Technology
The operation of DMW19 is based on
the proven Vaisala HUMICAP
®
Sensor.
The dewpoint is calculated from
relative humidity and temperature.
The patented Vaisala HUMICAP
®
Sensor is insensitive to dust,
particulate dirt and most chemicals.
This results in high accuracy,
excellent long-term stability and
negligible hysteresis.
Vaisala HUMICAP
®
Dewpoint Transmitter DMW19 is a compact wall mount
dewpoint transmitter.
Easy to install
DMW19 is compact and lightweight.
In addition, DMW19 is easy to install
and it is suitable for different junction
boxes.
Fast, on-site field check
The accuracy of the transmitter
is simple to check on-site using
the Vaisala HUMICAP
®
Hand-Held
Humidity and Temperature Meter
HM70.
Features/Benefits
▪
Designed for demanding
building automation
applications and other wall
mount indoor applications
where dewpoint measurement
is needed
▪
Dewpoint measurement range
-20 ... +55 °C (-4...+131 °F)
▪
Accuracy ±2 °C (±3.6 °F)
▪
Vaisala HUMICAP® Sensor
for excellent accuracy and
long-term stability, negligible
hysteresis and resistance to
dust and most chemicals.
▪
Electronic, on site, one-point
field check with Vaisala
HUMICAP® Hand-Held
Humidity and Temperature
Meter HM70
DMW19 is suitable for demanding
building automation and other wall
mount indoor dewpoint measurements.
The Vaisala HUMICAP
®
Hand-Held
Humidity and Temperature Meter HM70
is an easy and fast way to confirm the
performance of DMW19 on site.
Technical data
Dewpoint temperature
Measurement range -20 ... +55 °C (-4 ... +131 °F)
Accuracy ±2 °C (±3.6 °F) (see graph below)
Dewpoint accuracy vs. measurement conditions
Response time 15 s
Humidity sensor Vaisala HUMICAP
®
180
Temperature sensor Pt 100 IEC 751 1/3 class B
Operating environment
Operating temperature -5 ... +60 °C (+23 ... +140 °F)
Storage temperature -40 ... +80 °C (-40 ... 176 °F)
Relative humidity 0 ... 95 %RH
operating and storage
Operating environment
Operating temperature -5 ... +60 °C (+23 ... +140 °F)
Storage temperature -40 ... +80 °C (-40 ... 176 °F)
Relative humidity 0 ... 95 %RH
operating and storage
Dimensions
Dimensions in mm
HUMICAP
®
is a registered trademark of Vaisala.
Electromagnetic compatibility
Complies with EMC standard EN61326-1, Generic Environment
General
Operating voltage with voltage output 12 ... 35 VDC
11 ... 28 VAC
Operating voltage with current output
20 ... 35 VDC / 19 ... 28 VAC with RL500 ohm
17 ... 35 VDC / 16 ... 28 VAC with RL50 ohm
Supply current 10 mA + load current
Load for voltage output
min. 10 kohm
Load for current output max. 500 ohm
Connections screw terminals 0.5 ... 1.5 mm
2
Housing ABS plastics
Housing colour NCS-2502-R
Housing classification IP33
Weight 110 g
Outputs
Analog outputs (scalable) 4 ... 20 mA
0 ... 1 V
0 ... 5 V
Resolution for current output 0.002 mA
Resolution for voltage output 0.3 mV
Typical temperature dependence 0.005 % of span/ °C
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Ref. B210394EN-B ©Vaisala 2010
This material is subject to copyright protection, with all
copyrights retained by Vaisala and its individual partners. All
rights reserved. Any logos and/or product names are trademarks
of Vaisala or its individual partners. The reproduction, transfer,
distribution or storage of information contained in this brochure
in any form without the prior written consent of Vaisala is strictly
prohibited. All specifications — technical included — are subject
to change without notice.
For more information, visit
www.vaisala.com or contact
us at sales@vaisala.com
110 (4.33)
85 (3.35)
33 (1.30)
- HUMIDITY / DEW POINT / 1
- Vaisala – at your service 3
- Building Automation 5
- Cleanrooms and Chambers 5
- Humidity 7
- 37.5 (1.48) 9
- 78.5 (3.09) 9
- 98.5 (3.88) 9
- Ø 12 (0.47) 9
- 120 (4.72) 10
- 170 (6.69) 10
- 41 (1.61) 10
- Duct installation kit 11
- Temperature Transmitters 12
- Transmitter 15
- Indoor Applications 17
- Chambers 22
- Vaisala INTERCAP 23
- Humidity and Temperature 23
- Probe HMP60 23
- Vaisala HUMICAP 24
- Probe HMP110 24
- HMI41 Indicator and 26
- HMP46 High Temperature Probe 26
- Performance 29
- Interchangeable Probe 29
- Available Options 29
- Technical Data 30
- HMK15 Humidity Calibrator 31
- DTR500 Solar Radiation and 33
- Precipitation Shields 33
- The Vaisala HUMICAP 36
- Transmitter Series HMW80 37
- HVAC Applications 39
- WITH OPTIONAL CURRENT MODULE 40
- **0 … 20 mA (R 40
- 1/8"-27 NPT 41
- Ensure dry 43
- OEM Applications 46
- Transmitter Series for Oil 51
- Moisture in Oil 51
- Prevent it 53
- Transmitter for Oil 54
- 0 ... 2 % 57
- Demanding OEM Applications 59
- GMM111 Carbon Dioxide Module 60
- Demand-controlled Ventilation 62
- GMM20W Carbon Dioxide Module 65
- GML20 and GML20T 66
- Process Measurements 67
- Humidity and 68
- Measurement 68
- Environments 68
- Hazardous Areas 69
- PTU300 Models 70
- Barometric Pressure 70
- Reliable and accurate 72
- HVAC solutions 72
- Take the lab to the field 74
- Standard PTB330TS 75
- PTB210 Digital Barometer 76
- Wind Measurement 81
- Vaisala Service Oering 82
- Vaisala Service Offering 82
- Your Warranty 83
- PRICE LIST 84
- DMT132 Dewpoint Transmitter 85
- Datasheet – front 85
- Vaisala Filters 89
- Vaisala Filters continued 89
- Order Guides 90
- Note: The Universal AC 91
- For high temperatures 92
- For high humidities 93
- For wall mounting 95
- For general use 96
- With Two Standard Chambers 101
- For Pressurized Processes 103
- DMT345 Dewpoint Transmitter 104
- DMT152 Dewpoint Transmitter 105
- DMT242 Dewpoint Transmitte 106
- For pressurized pipelines 108
- GMT221 and GMT222 CO 109
- Transmitters 109
- OMT355 Oxygen Transmitter 110
- 1 Transmitter type 111
- (-40...+140 °F) 112
- (-4...+140 °F) 112
- (+32...+140 °F) 112
- Order Guide 114
- Features/Benefits 115
- Technical data 116
- 3 Cable length 1.0 m 117
- PTB110 Barometer 118
- WXT520 Weather Transmitter 119
- Vaisala Contact Information 121
- ACCURATE 122
- For more information, visit 123
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