Omega Products PX300 Installation Manual
PX300, 302, 303, 305, 310, 312, 313, and 315 Series
Pressure Transducers
M1306/0505
COMMON SPECIFICATIONS FOR ALL UNITS
PX300, 302
PX303, 305
PX310, 312
PX313, 315
ACCURACY:
(Linearity, hysteresis, and Repeatabilty)
ZERO BALANCE:
OPERATING TEMP:
COMPENSATED TEMP:
THERMAL EFFECTS:
THERMAL HYSTERESIS:
VIBRATION:
MILLIVOLT OUTPUT FOR
PX300,302 / PX310,312
EXCITATION:
OUTPUT:
PX300:
PX302:
INPUT & OUTPUT RES.:
RESPONSE TIME:
WEIGHT:
WIRING:
0.25% BFSL
2%
0° TO 160°F
(-18° TO 71°C)
30° TO 130°F
(-1° TO 54°C)
1% over entire
comp. range
0.25%
15g's @ 10-200Hz
MIL-STD-202,
M204, Cond. B)
10VDC (12 VDC max)
30mV± 1mV (3mV/V)
100mV± 1mV (10mV/V)
5000 ohms nominal
1msec
4.6 oz (131 grams)
Red / PIN 1 (+ EXC),
Black / PIN 4 (- EXC),
Green / PIN 3 (+ SIGNAL),
White / PIN 2 (- SIGNAL)
SHOCK:
PROOF PRESSURE:
STABILITY:
GAGE TYPE:
ELECTRICAL
CONNECTION:
WETTED PARTS:
PRESSURE CAVITY:
PRESSURE CONNECTION:
VOLTAGE OUTPUT FOR
PX303-xxx5V, PX303-xxx10V / PX313-xxx5V,
EXCITATION:
OUTPUT:
SPAN:
MIN.LOAD
RESISTANCE:
QUIESCENT DRAW:
RESPONSE TIME:
WEIGHT:
WIRING:
50 g,s @ 11ms
(MIL-STD-202, M213, Cond. G)
200% or 13,000 psi
(whichever is less)
0.5% over one year
Corrugated stainless steel diaphragm
fluid filled with diffused
semiconductor sensor
PX30X = 36", 22AWG, pigtail
PX31X = MINI DIN CONNECTOR
unshield wire
17-4 PHSS
0.075 cubic inches
1/4" NPT
PX313-xxx10V
9-30VDC (5 VDC output)
14-30VDC (10 VDC output)
0.5 - 5.5VDC
1-11VDC
5VDC±1%
10VDC±1%
2000 ohms
16 mA
1 msec
5.8 oz (166 grams)
Red / PIN 1 (+EXC).
Black / PIN 2(COMMON),
White / PIN 3(+ OUTPUT)
CURRENT OUTPUT FOR PX305 / PX315
EXCITATION:
OUTPUT:
SPAN:
MAX LOOP
RESISTANCE:
RESPONSE TIME:
WEIGHT:
WIRING:
12-30 VDC
4-20 mA
16 mA±1%
Max resistance =
50 (Voltage supply -12)
1msec
5.9 oz (168 grams)
Red / PIN 1 (+), Black / PIN 2 (-),
(Reverse polarity protected)
All models are tested to meet or exceed the
published specifications. The calibration and
testing were done using instrumentation
and standards traceable to the National
Institute of Standards and Technology (NIST)
(also tested per MIL standard 45662A).
CALIBRATION
WARNING ! READ THIS BEFORE INSTALLATION
Fluid hammer and surges can destroy any pressure transducer and must always be avoided. A pressure snubber should
be installed to eliminate the damaging hammer effects. Fluid hammer occurs when a pump is suddenly stopped, as
with quick closing solenoid valves. Surges occur when flow is suddenly begun, as when a pump is turned on at full power
or a valve is quickly opened.
Liquid surges are particularly damaging to pressure transducers if the pipe is originally empty. To avoid damaging surges,
fluid lines should remain full (if possible), pumps should be brought up to power slowly, and valves opened slowly. To avoid
damage from both fluid hammer and surges, a surge chamber should be installed, and a pressure snubber should be
installed on every transducer.
Symptoms of fluid hammer and surge's damaging effects:
1. Pressure transducer exhibits an output at zero pressure (large zero offset). If zero offset is less than 10% FS, user can
usually re-zero meter, install proper snubber and continue monitoring pressures.
2. Pressure transducer output remains constant regardless of pressure.
3. In severe cases, there will be no output.
MILLIVOLT TRANSDUCERS WIRING
Ø 1.00
(25.4)
*
3.375
(85.7)
PX300, PX302
* THE WIRES CAN NOT BE UNPLUGGED FROM THE SENSOR!
VOLTAGE OUTPUT TRANSDUCERS WIRING
*
4.468
(114.3)
PX303
* THE WIRES CAN NOT BE UNPLUGGED FROM THE SENSOR!
1" MAX
(25.4)
Ø 1.50
Ø 1.125
(28.6)
Ø 3.218
(81.7)
PX310, PX312 (MINI DIN CONNECTOR)
1" MAX
(25.4)
(28.6)
4.062
(114.3)
PX313 (MINI DIN CONNECTOR)
Ø 1.50
(28.6)
POWER
SUPPLY
POWER
SUPPLY
+
METER
+
METER
RED/PIN 1 (+EXC)
BLK/PIN 4 (-EXC)
WHT/PIN 3 (-SIG)
GRN/PIN 2 (+SIG)
+
RED/PIN 1 (+EXC)
BLK/PIN 2
(COMMON)
WHT/PIN 3
(+OUTPUT)
+
TRANSDUCER
(PX300, 302)
(PX310, 312)
TRANSDUCER
(PX303)
(PX313)
CURRENT OUTPUT TRANSDUCERS WIRING
*
4.468
(114.3)
PX305
* THE WIRES CAN NOT BE UNPLUGGED FROM THE SENSOR!
Ø 1.50
(28.6)
PX315 (MINI DIN CONNECTOR)
1" MAX
(25.4)
Ø 1.50
(28.6)
4.062
(114.3)
POWER
SUPPLY
+
RED/PIN 1(+)
BLK/PIN 2 (-)
+
METER
DIMENSIONS IN INCHES (mm)
TRANSDUCER
(PX305)
(PX315)
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