
www.vaisala.com
104
DPT146 Dewpoint and Pressure Transmitter
for Compressed Air
The DPT146 measures both dew point and process pressure. Monitoring compressed
air is simpler and quicker, helping you to make more informed decisions.
Features/Benefits
▪
The first transmitter that
monitors both dew point and
process pressure
▪
A simple and convenient
transmitter for monitoring
of compressed air
▪
Highly accurate humidity
information thanks to dew
point data coupled with live
pressure input
▪
Proven sensor technology
▪
Compatible with the Vaisala
Hand-Held DM70 for easy spot
checking, local display and
data logging
▪
Pressure: 1 … 12 bar
▪
Dew point: -60 … +30 °C
(-76 ... +86 °F) Tdf with
accuracy of ±2°C (±3.6 °F)
▪
Digital output RS-485 with
MODBUS
The Vaisala Dewpoint and Pressure
Transmitter DPT146 for Compressed
Air makes monitoring compressed
air simple and convenient. The
DPT146 measures both dew point and
process pressure simultaneously, and
is the ideal choice for anyone using
or monitoring compressed air.
Simple and Efficient
Installation
One transmitter providing two of
the most important compressed
air measurements means reduced
installation costs and a much easier
setup – with only one instrument
needing connection and wiring.
Make More Informed
Decisions
Dew point measurement combined
with process pressure measurement
offers further unique advantages.
When dew point data is coupled with
live pressure input, conversions to
atmospheric pressure or ppm are
available online, leaving no ambiguity
in the information. As an example,
regulative requirements of medical gas
can be fulfilled easily and quickly.
A Unique Combination of
Two World-Class Sensors
The DPT146 combines the knowledge
of more than 20 years of sensor-
technology development. Proven
measurements from the DRYCAP
®
sensor for dew point and the
BAROCAP
®
sensor for pressure are
now combined into one easy-to-use
transmitter.
Convenience with Proven
Performance
Well-developed technology brings
both proven results and convenience.
Spot-checking and verification of
dew point is easy thanks to fully
compatible Vaisala DRYCAP
®
Hand-
Held Dewpoint Meter DM70. The
DM70 can also be used as a local
display and data logger. Temperature
measurement is available when the
RS485 is in use.
76
32.5
120.5
G 1/2" ISO 228-1
Ø33
AW 30
128.5
76 32.5
Ø12
Ø12
1/2" NPT
Ø29.5
Ø29.5
32.576
3/4"-16 UNF
76
32.5
120.5
G 1/2" ISO 228-1
Ø33
AW 30
128.5
76 32.5
Ø12
Ø12
Ø12
Ø29.5
76
32.5
120.5
G 1/2" ISO 228-1
Ø33
AW 30
128.5
76 32.5
Ø12
Ø12
Ø12
1/2" NPT
Ø29.5
Ø29.5
Ø29.5
120.5
32.576
3/4"-16 UNF
Dimensions
Dimensions in mm (inches)
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