FAA/CAA certified aerospace Pressure Transducers.
FAA/CAA CERTIFIED AEROSPACE PRESSURE TRANSDUCERS
PROVIDE AN AFFORDABLE, LOW RISK SOLUTION FOR
HARSH IN-FLIGHT APPLICATIONS.
Druck announces full FAA/CAA flight certification for its latest range of
amplified aerospace pressure transducers. The PTX /PMP 3000 Series
combines extensively proven Druck silicon sensing technology with a
highly robust and flexible design concept. This enables customer
preferred interfaces, pressure ranges and output types to be configured
for a wide range of in-flight applications, even those with severe
operating environments. User affordability is maintained, measurement
performance optimised and technical risk minimised.
Pressure ranges are available from 350mbar to 700 bar gauge or
absolute, 350mbar to 35 bar differential. Operating from a standard
28Vd.c. aircraft supply, the choice of 2, 3 or 4 wire output configurations
includes 4-20mA, 0.5 to 5V and 0 to 5V amongst others.
The Druck micromachined silicon sensing element provides excellent
linearity with negligible hysteresis. It also ensures enhanced long term
stability, high overpressure capability and also low mass, offering fast
response and a low acceleration sensitivity ("g" effect).
Advanced thermal compensation enables a total accuracy of ±0.75% F.S.
maximum over an operating temperature range of -40°C to +90°C
(±1.25% F.S. maximum -54°C to +125°C) including zero and span
setting/interchangability. Long term stability is better than ±0.05% F.S.
To withstand even the harshest environmental conditions encountered
during aircraft operation, the PTX /PMP 3000 Series is extensively
qualified in accordance with the requirements of JTSO C47, C45a
and RTCA/DO-160. This includes test parameters such as acceleration,
vibration, shock, EMI/lightning and high/low operating temperature.
Reliability is better than 10fpmh.
The transducer is physically an all-welded, rugged and hermetic
construction which is not susceptible to altitude, humidity, salt, fog,
sand and dust. It offers process wetted materials of 316L stainless
steel and C276 hastelloy for confident use with chemically aggressive
pressure media. Pressure connections include 7/16" UNJF to
MS33656-4 and electrical connections 6-pin plug to MIL-C-26482,
with others available on request.
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