An absolute pressure transmitter measures pressure relative to a perfect vacuum (zero reference).
It uses a sealed reference chamber to compare the process pressure against absolute zero.
These transmitters are commonly used in applications like vacuum systems, barometric measurements, and aerospace.
They convert pressure readings into electrical signals for monitoring and control systems.
Absolute pressure transmitters provide highly accurate and stable measurements, independent of atmospheric pressure changes.Absolute pressure transmitters measure pressure relative to a perfect vacuum, providing stable, atmospheric-independent readings for liquids, gases, and steam
Measurement Reference: Absolute Zero (Vacuum)
Output Signal: 4-20 mA DC with HART communication
Base Accuracy:
±
0
.
2
5
%
to
±
0
.
0
5
%
Measuring Range: From 40 mbar to 100 bar (16 inH2O to 1450 psi)
Power Supply: 10.5 to 45 V DC
Process Temperature: Up to 120 C
(higher with remote seals)
Wetted Materials: Stainless Steel (316L), Hastelloy C, Tantalum
Protection Rating: IP67
