PXT-01041B
Revised 06-06
Catalog Section 05
Pressure Transmitters
PXT Series
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0.25% Accuracy
4-20 mA Output Signal
Precision Etched Silicon Sensor
Corrosion Resistant Construction
High Stability
R
C
PXT
R
Burst Pressure:
PXT Power Requirements: Typically 24 VDC
Description
is required, using the Loop Resistance Graph,
9-30 VDC.
Ranges 0-1000 psi = 600% of full scale or
4000 psi whichever is lower.
The PXT Series pressure transmitter is a state-of-
the-art instruments providing 4 to 20 mA
outputs. It features a precision micro-machined
silicon diaphragm with fully welded stainless
steel pressure port for greater accuracy, stability
and a wide range of compatibility.
Ranges 2000 psi 13.79 MPa) [137 Bar]=
20,000 psi (27.5 MPa) [275Bar].
Response Time: Frequency response better than
2 kHz.
PXT Series Transmitter Output: 4–20 mA,
2-wire.
Insulation: Greater than 10 Mohms @ 500 VDC.
RFI Protection: To the European standards of
BS EN 50082-2:1991 in accordance with IEC
801 parts 1 to 6 for suspectibility to EMC and
to BS EN 50081-1992 for emissions.
Storage Temperature: -65 to 200°F (-54 to
Silicon technology is used to provide a miniature
micro-machined diaphragm which is
electrostatically bonded to a glass substrate and
is then stitch-bonded within a glass to metal seal
assembly to provide exceptional thermal and
stress isolation. This technology assures you of
high accuracy and stability over a wide range of
operating conditions.
93°C).
Operating Temperature: -40 to 180°F (-40 to
82°C).
Voltage Surge/Spike: Protected against a 600 V
Compensated Temperature: -20 to 160°F (-29
to 71°C).
spike to IEC 60-2. Reverse polarity protected.
Total Thermal Effects Over Compensated
Range: 2% FS TEB.
Sealed: Sealed at one atmosphere at sea level for
ranges > 1000 psi (6.89 MPa) [68 Bar].
Physical:
Vented: Vented for ranges < = 1000 psi
The enclosure is made of 316 stainless steel and
all wetted parts are 316L stainless steel or
HASTELLOY C276.
Enclosure: Weather Resistant.
Body: 316 stainless steel. Meets NACE
MR01-75.
(6.89 MPa) [68 Bar].
UL Certification: Class I, Division 2, Groups A,
B, C and D; Class II, Groups E, F and G.
Pressure transmitter, Model PXT. Intrinsically
safe when installed per system, Diagram No.
05-08-0754. UL File #E169675
Wetted Parts: 316L stainless steel or
HASTELLOY C276.
Applications
Process Connection: 1/4 NPT female.
Electrical Cable: Integral; 60 in. (914 mm);
vented. 1/2 in. NPT male conduit connection
The PXT can be used in applications such as
Compressors, Engines, Process Control, Liquid
Level and Pumps.
Shipping Weigh: 0.90 lb. (408 g).
Environmental Effect:
Shipping Dimensions: 5 x 5 x 5 inches
Humidity: No effect.
Specifications
(127 x 127 x 127 mm).
Mounting: Position/orientation has
negligible effect.
Accuracy (Full Scale, Best Straight Line):
0.25% including non-linearity, hysteresis and
repeatability. Long term stability better than
0.2% FS over twelve (12) months.
Reverse polarity protected
Shock: 1000g 1ms Half sine Pulse in each of 3
mutually perpendicular axis will not affect
performance.
Warranty
A limited warranty on materials and workmanship
is given with this FW Murphy product. A copy of
the warranty may be viewed or printed by going to
Zero Setting: 0.5% of full scale (0.25% typical).
Span Setting: 0.5% of full scale BSL (RSS).
Overpressure/Proof Pressure: 400% for up to
500 psi (3.45 MPa) [34 Bar]. 200% for higher
ranges.
Vibration: Effect on output response is less than
0.05% FS/g at 30g Peak 10Hz to 2kHz,
limited by 0.05 in double amplitude. (MIL
STD 810C Proc. 514.2-2 curve L).
PXT-01041B page 1 of 2
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