Vaisala INTERCAP HMDW80 SERIES Especificaciones Pagina 104
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DSS70A Portable Sampling System
and Sampling Cells for DM70
The DSS70A provides a compact solution for field checking dew point where direct
measurement is difficult. Typical applications for the sampling system are metal
treatment and plastics drying processes.
DSS70A Portable
Sampling System
The DSS70A is designed to provide
dew point sampling flexibility for the
DM70 hand-held dew point meter. For
processes at atmospheric pressure,
a battery powered pump is used to
extract a gas sample. For pressurized
processes up to 20 bar, the sample
is measured at process pressure
and then reduced to atmospheric
pressure for venting or re-direction,
bypassing the pump. In all cases, the
sample gas passes through a filter
to remove particulate contamination
before measurement. Flow through
the system is controlled and
monitored with a needle valve and
flow meter.
The DSS70A is easily connected to
an appropriate sample point with
tubing (typically 1/4” or 6 mm).
The measured dew point must be
below ambient temperature to avoid
condensation in the system. Gas
temperatures higher than +40 °C
(+104 °F) should be cooled with a
short PTFE (included in the DSS70A
system) or stainless steel tube prior
to entering the DSS70A. DSS70A is an
accessory for DM70 Dewpoint Hand-
held Meter.
Sampling Cells for
Pressurized Processes
The DM70 can easily be connected to
pressurized processes. In addition to
direct pipeline installation, a variety
of sampling cell options are available
for gas sampling.
The DSC74 sampling cell is the
recommended choice. It has a variety
of connection adapters that allow
several different ways of installation.
The quick connector with a leak
screw allows a very fast connection
for compressed air lines. Additionally,
two thread adapters are available for
the inlet port.
The DSC74B is a two-pressure
sampling cell, which enables
measurements in both process and
ambient pressure. This sampling cell
is especially suitable for dew point
measurements in SF
6
gas with the
DMP74C probe.
The DMT242SC is a basic sampling
cell. The DMT242SC2 is a sampling
cell supplied with welded Swagelok
connectors for sampling in a 1/4”
pipeline.
The sampling cells (from the left)
DMT242SC2, DMT242SC and DSC74 can
be used to connect the DM70 to sample
gas flow. The DSC74B (right) is a two-
pressure sampling cell that can be used
for measurements in either pressurized or
ambient pressure. The cooling/venting
coil is included in the DSC74C sample
cell, but is an option for all sampling
cells.
- 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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