Vaisala HMD70U Service Manual Page 97
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95
Technical Data
For more information, visit
www.vaisala.com or contact
us at sales@vaisala.com
Ref. B210831EN-B ©Vaisala 2011
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.
Measured Values
WATER ACTIVITY
Measurement range a
w
0 ... 1
Accuracy (including non-linearity,
hysteresis and repeatability)
0 ... 0.9 ±0.02
0.9 ... 1.0 ±0.03
Response time (90 %) at +20 ˚C in still oil
(with stainless steel filter)
10 min
Sensor Vaisala HUMICAP
®
TEMPERATURE
Measurement range -40 ... +180 ˚C (-40 ... +356 ˚F)
Typical accuracy at +20 ˚C ±0.1 ˚C (±0.18 ˚F)
Typical temperature dependence
of electronics ±0.05˚C/ ˚C (±0.005 ˚F/˚F)
Sensor Pt100 IEC751/3 class B
Electrical Connections
Two analog outputs, selectable and
scalable 0 ... 20 mA or 4 ... 20 mA
Typical accuracy of analog output at +20 ˚C ±0.05 % full scale
Typical temperature dependence
of analog output
0.005 %/˚C (0.003 %/˚F)
full scale
Serial output RS-232C
Connections 8-pole connector with RS-232C, current
outputs (two channels) and U
in
Operating voltage U
in
24 VDC (10 ... 35 VDC)
Minimum operating voltage U
in
with RS-232C 10 VDC
I
out
0 ... 20 mA, 4 ... 20 mA 11 VDC + (R
load
/60) VDC
Power consumption at +20 ˚C, U
in
= 24 VDC
with RS-232C 20 mA
I
out
2 x 0 ... 20 mA 60 mA
General
Operating temperature range for
electronics -40 ... +60 ˚C (-40 ... +140 ˚F)
Storage temperature -55 ... +80 ˚C (-67 ... +176 ˚F)
Pressure range for MMT318 with ball
valve up to 120 ˚C 0 ... 40 bar
Pressure range for MMT317 0 ... 10 bar
External load R
1
<500 Ohm
Material
transmitter housing G-AlSi 10 Mg
transmitter base ABS/PC
Housing classification IP65
to be protected from direct rain
Cable feed through alternatives 8-pole connector with 5 m cable,
female 8-pin connector screw
joint for cable diameter 4 ... 8 mm
Sensor protection stainless steel grid standard filter
stainless steel grid filter for high flow rates (>1 m/s)
Probe cable length
MMT317 0.5, 2, 5 or 10 meters
MMT318 2, 5 or 10 meters
Probe installation MMT317
Swagelok
®
NPT 1/2", ISO 3/8" or ISO 1/2"
Probe installation MMT318
Fitting bodies ISO 1/2", NPT 1/2"
Ball Valve Set BALLVALVE-1
Complies with EMC standard EN61326-1, Industrial environment
Note: When using the current output, the RF field susceptibility
level according to standard EN61000-4-3 with a frequency band
of 110 ... 165 MHz, is only 3 V/m (generic environment) with the
specified accuracy.
HUMICAP
®
is a registered trademark of Vaisala.
43 (1.69)
72.5(2.85)
60.5(2.38)
115 (4.53)
5(0.20)
102 (4.02)
Ø4.5 (0.177)
Dimensions
Dimensions in mm (inches)
MMT317 probe
Transmitter body
MMT318 probe
77 (3.03)
33 (1.30)
NPT1/2"
ISO 3/8" or
Ø 12 (0.47)
Hex 22m
(0.87)
226/448 (8.90/17.6)
188/410 (7.40/16.1)
35 (1.37)
14 (0.55)
Ø 13.5 (0.53)
35 - 157/379(1.37 - 6.2/14.9)
Ø 12 (0.47)
R1/2" ISO7/1
- HUMIDITY / DEW POINT / 1
- PRESSURE / WEATHER 1
- ACC URATE 2
- Humidity 4
- Dew Point 4
- Mounting Options 9
- Graphical Display of 10
- History and 10
- Measurement Trends 10
- Outputs and Power Supply 10
- Options for Every Need 10
- Flexible Installation 11
- For Moderate Humidities 11
- Vaisala HUMICAP® 12
- Performance 12
- Measurement Trends and 12
- Real Time History 12
- 41 (1.6) 13
- 51 (2.0) 13
- 192 (7.56) 13
- 253 (9.96) 13
- 37.5 (1.48) 14
- 79.5 (3.13) 14
- 99.5 (3.92) 14
- Temperature Transmitters 16
- HMP361 for wall mounting 17
- HMP363 for confined spaces 17
- HMP364 for high pressure 17
- HMP365 for high temperature 18
- HMP367 for high humidities 18
- HMP368 for pressurized 18
- Transmitter 22
- Interchangeable Probe 24
- Fast, On-Site Calibration 26
- Measures both Humidity 26
- Resistant to Chemicals 28
- Vaisala INTERCAP 30
- Humidity and Temperature 30
- Transmitter Series HMW80 30
- HVACApplications 32
- Demanding Applications 34
- Unique Warmed Probe 34
- Vaisala HUMICAP® Sensor 34
- Chambers 36
- Probe HMP60 38
- Vaisala HUMICAP 40
- Probe HMP110 40
- Three Probes 42
- MI70 Link 42
- Reliable and Cost-ecient 47
- HVAC Products 47
- Fast and Easy-to-Use 48
- HMK15 Humidity Calibrator 50
- DTR500 Solar Radiation 54
- Versatile Outputs and 61
- (Wireless) Data Collection 61
- Easy Installation 61
- Probe Specifications 62
- Ensure dry 65
- Measure Humidity Directly 66
- DMT345, Accurate in Hot 66
- OEM Applications 70
- Low Maintenance 72
- Dewpoint temperature (°C) 75
- DMT132 Dewpoint Transmitter 76
- DEW POINT 77
- CALCULATED VARIABLES 77
- Indoor Applications 78
- 110 (4 .33) 79
- 85 (3.35) 79
- 33 (1.30) 79
- DSS70A Portable 82
- Sampling System 82
- Sampling Cells for 82
- Pressurized Processes 82
- Online Reliability 86
- Savings Across the Board 86
- Risk-Free, Greener 86
- Solution 86
- The Fruit of Experience 86
- Multiparameter Transmitter 88
- When Moisture is a Problem 89
- Knowledge is Power 89
- Literally 89
- Transmitter Series for Oil 90
- Moisture in Oil 90
- The Vaisala HUMICAP 91
- Hand-Held 91
- R1/2" ISO7/1 92
- Prevent it 95
- Transmitter for Oil 96
- Features/Benefits 100
- Technical Data 101
- 0 ... 2 % 102
- Interchangeable Probes 104
- Demanding OEM Applications 106
- GMM111 Carbon Dioxide Module 108
- Vaisala CARBOCAP 110
- Technology 110
- Two Sampling Methods 110
- Features/Benefi ts 112
- Demand-controlled Ventilation 114
- GMM112 Carbon Dioxide Module 118
- GMM20W Carbon Dioxide Module 120
- Pressure 122
- PTU300 Models 123
- Mechanics 126
- Accessories 126
- Dimensions 126
- IN CONTROLLED ENVIRONMENTS 127
- Take the Lab to the Field 130
- For more information, visit 131
- Standard PTB330TS 132
- PTB210 Digital Barometer 134
- Calculate 137
- Vaisala BAROCAP® 138
- Accuracy and Stability 138
- Applications 138
- Ideal for outdoor 140
- Carefree maintenance 140
- Operating Environment 142
- Available Options 142
- Figure 1 143
- Figure 2 with Process 143
- Valve Actuator and 143
- Test Jacks 143
- Measuring Acoustic 146
- Precipitation 146
- Wind Measurement 150
- Vaisala Service Offering 152
- Accredited Body 153
- Accredited Parameters 153
- Vaisala Filters 154
- Vaisala Filters continued 155
- Vaisala Contact Information 158
- ASIA AND PACIFIC 159
- NORTH AMERICA 159
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