Vaisala INTERCAP HMDW80 SERIES Especificaciones Pagina 98
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96
DMT143 Miniature Dewpoint Transmitter
for OEM Applications
Technical Data
Features/Benefits
▪
Miniature size dew point
transmitter for e.g. small
industrial dryer applications
▪
Vaisala DRYCAP® technology
with auto-calibration
▪
Calibration interval of two years
▪
Dew point measurement range
-60...+60 °C (-76...+140 °F)
▪
Accuracy ±2 ºC (±3.6 ºF)
▪
Withstands condensation
▪
Fast response time
▪
Compatible with Vaisala
DRYCAP® Hand-Held Dewpoint
Meter DM70
▪
NIST traceable calibration
(certificate included)
▪
Easy servicing and data transfer
via the RS485 user interface
▪
LED alarm for exceeded dew
point level
Vaisala DRYCAP®
The Vaisala DRYCAP
®
Dewpoint
Transmitter DMT143 is a miniature dew
point measurement instrument. The
transmitter can be installed directly
into pressurized systems at 50 bar
(725 psia) maximum pressure. The
long-term high performance is achieved
with Vaisala DRYCAP
®
technology.
The sensor fully withstands getting wet,
and therefore, the transmitter performs
exceptionally well in applications that
occasionally experience process water
spikes, such as pipeline condensation
during a system failure or start-up.
The sensor is also highly resistant to
particulate contamination, oil vapor
and most chemicals, and is insensitive
to the flow rate.
Long Calibration Interval
The calibration interval of the DMT143
is two years. Additionally, the Vaisala
Measured Parameters
DEW POINT TEMPERATURE
Measurement range(typical) -60 ... +60 °C (-76 ... +140 °F) T
d
Analog output scalings
option 1 -80 ...+20 °C (-112 ... +68 °F) Td
option 2 -80 ...+20 °C (-112 ... +68 °F) T
d
dew point at ambient pressure
option 3 free scaling
Accuracy in air or N2 ±2 °C (±3.6 °F) T
d
(see graph below)
when the dew point is below 0 °C (32 °F), the transmitter outputs frostpoint
DRYCAP
®
Hand-Held Dewpoint Meter
DM70 can be used to confirm the
performance of the DMT143 without
disconnecting the transmitter. For any
adjustment needs, the transmitter can
be sent to Vaisala Service.
The auto-calibration software works
on-line while the process is running.
If the measurement accuracy is not
confirmed, corrections are made
automatically.
Easy Installation
The DMT143 has a variety of features to
choose from, including different output,
installation options and alarm LED.
Due to its small size and light weight, the
DMT143 is quickly and easily installed
in tight spaces or in small-size pipelines.
The alarm LED indicates too high dew
point in the process. The trigger point
is preset at the factory. It can be later
adjusted with the Vaisala DRYCAP
®
Hand-Held Dewpoint Meter DM70 or a PC.
The Vaisala DRYCAP
®
Dewpoint Transmitter DMT143 is an ideal choice for small
compressed air dryers, plastic dryers and other OEM applications.
- PRESSURE / WEATHER 1
- Measure 2
- Dew Point 4
- Relative Humidity 6
- Humidity Products 7
- What is Humidity? 8
- An Introduction 8
- Parameters 8
- Recommended 10
- Humidity 11
- Humidity Instrument 15
- Calibration 15
- Calibration of Dew Point 15
- Instruments 15
- Proven Vaisala HUMICAP® 16
- Performance 16
- Chemical Purge Minimizes 16
- Effects of Contaminants 16
- Flexible Installation 20
- Process is Running 23
- HMT331 probe 24
- HMT333 probe 24
- HMT334 probe 24
- HMT335 probe 24
- Looking for Accurate 25
- Instruments? 25
- Only Vaisala HUMICAP® 25
- Measures Up 25
- Temperature Transmitters 26
- HMP361 for wall mounting 27
- HMP363 for confined spaces 27
- HMP364 for high pressure 27
- HMP365 for high temperature 28
- HMP367 for high humidities 28
- HMP368 for pressurized 28
- Accessories 31
- Calculate 35
- Interchangeable Probe 36
- Remote probe dimensions 38
- BACnet in Brief 40
- Measures both Humidity 42
- Fast, On-Site Calibration 42
- Resistant to Chemicals 42
- Performance for Outdoor 48
- Easy Installation and 48
- Maintenance 48
- Easy Installation 50
- Reliable Operation 50
- Low Maintenance 54
- Chambers 56
- Vaisala INTERCAP 58
- Humidity and Temperature 58
- Probe HMP60 58
- Vaisala HUMICAP 60
- Probe HMP110 60
- Three Probes 62
- MI70 Link 62
- Temperature Meter HM40 64
- Features or Benefits 70
- Standard Contents of SHM40 70
- HMK15 Humidity Calibrator 72
- DTR500 Solar Radiation and 76
- Precipitation Shields 76
- Upper electrode 83
- Lower electrode 83
- Thin-film polymer 83
- Glass substrate 83
- Versatile Outputs and 85
- Data Collection 85
- Probe Specifications 86
- You Compress Air 89
- We Make Sure It’s Dry 89
- Measure Humidity Directly 90
- DMT345: Accurate in Hot 90
- OEM Applications 94
- DMT132 Dewpoint Transmitter 100
- Technical Data 101
- Spot-Checking Applications 102
- DSS70A Portable 104
- Sampling System 104
- Sampling Cells for 104
- Pressurized Processes 104
- Features/Benefits 106
- Dimensions 106
- Online Reliability 108
- Savings Across the Board 108
- Risk-Free, Greener 108
- Solution 108
- The Fruit of Experience 108
- Multiparameter Transmitter 110
- Outages 111
- Happen 24/7 111
- So Should Monitoring 111
- Moisture in Oil 112
- HUMICAP in Brief 113
- Transmitter Series for Oil 114
- Mounting Options 115
- MMT332 for High Pressure 116
- Installations 116
- MMT337 with Small-Sized Probe 116
- Transmitter for Oil 118
- Carbon Dioxide 124
- The CARBOCAP® Story 125
- Measurements 126
- Carbon Dioxide Probe 128
- Measurement 129
- Stability and Ability 129
- Interchangeable Probes 130
- Demanding OEM Applications 132
- GMM111 Carbon Dioxide Module 134
- Vaisala CARBOCAP 136
- Technology 136
- Two Sampling Methods 136
- Reliability from Unique 138
- Measurement Technology 138
- Convenient Installation 138
- Easy Calibration 138
- Please contact us at 140
- Demand Controlled Ventilation 144
- GMM112 Carbon Dioxide Module 148
- Pressure 150
- The BAROCAP Story 151
- PTU300 Models 153
- Digital Barometer 160
- SUBSCRIBE 161
- Take the Lab to the Field 162
- Standard PTB330TS 164
- PTB210 Digital Barometer 166
- Vaisala BAROCAP® 168
- Accuracy and Stability 168
- Applications 168
- Ideal for Outdoor 170
- Carefree Maintenance 170
- Operating Environment 172
- Available Options 172
- / TECHNOLOGY DESCRIPTION 176
- Vaisala WINDCAP® Sensor 177
- Vaisala RAINCAP® Sensor 177
- Measuring Acoustic 178
- Precipitation 178
- WMT52 Ultrasonic Wind Sensor 180
- Wind Measurement 182
- Vaisala Service Offering 184
- Service Offering 185
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