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DPT145 Multiparameter Transmitter for SF6 Gas DPT145 Multiparameter Transmitter for SF6 Gas
The Vaisala Multiparameter Transmitter DPT145 with the DILO DN20 connector.
Features/Benefits
▪
First transmitter to offer online
measurement of seven SF6
parameters in one unit
▪
Measured parameters: dew
point, pressure, temperature
▪
Calculated parameters: SF6
density, normalized pressure,
dew point in atmospheric
pressure, ppm
▪
Saves time and money across
the board, from investment and
installation to operation and
servicing
▪
More reliable assessment of the
condition of SF6 insulation due
to online measurement
▪
Long calibration interval of years
▪
Digital output RS-485 with
MODBUS
The Vaisala Multiparameter
Transmitter DPT145 for SF6 Gas is a
unique innovation that enables online
measurement of dew point, pressure,
and temperature. It also calculates four
other values, including SF6 density.
The DPT145 is especially well suited for
integration into OEM systems.
Online Reliability
Online dew point measurement
combined with pressure
measurement provides an excellent
assessment of the condition of the
SF6 insulation. Sudden and minor
leakages are immediately detected
by the direct normalized pressure
measurement, while online dew
point measurement alerts the user to
moisture issues, which can weaken
the insulation properties of SF6
and cause rapid deterioration. With
the DPT145, it is also easy to build
a redundant solution for multiple
parameters.
Savings Across the Board
A single transmitter, instead of several,
saves time and money across the
board, from investment to installation,
operation and servicing. Lower
assembly costs, fewer cables and
connectors, minimized need for on-site
visits and field operations - all these
translate into cumulative savings.
The long calibration interval results
in further savings.
Risk-Free, Greener
Solution
Online measurement enables gas
trends to be followed via a data
collection system, making monitoring
fast, risk-free, and accurate. Using
one instrument for monitoring seven
different parameters means also
fewer mechanical connections and
reduces the risk of leaks. Monitoring
is environmentally friendly because
there is no need for sampling - no SF6
gas is released into the atmosphere.
The Fruit of Experience
Vaisala has over 70 years of
extensive measurement experience
and knowledge. The DPT145 brings
together the proven DRYCAP
®
dew point sensor technology
and BAROCAP
®
pressure sensor
technology in one package, providing
an innovative and convenient
solution for monitoring SF6 gas.
The DPT145
with the
weather shield.
- 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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