Automation Components, Inc.
WET TO WETPRESSURE
WET TO WET
Dierential Pressure Transducer w/ Remote Probes
The A/WPR2 Series Remote Wet to Wet Differential Pressure Transmitter is designed to reduce installation
time and provide mounting flexibility, often eliminating the need for additional plumbing. They accurately
measure wet media pressures in a variety of applications. Commonly used for monitoring pumps, these
devices are also ideal for measuring pressure across filters, heat exchangers and compressors. The A/WPR2’s
enclosure opens conveniently to allow it to be reconfigured between three additional ranges (see order grid)
and outputs of 4 to 20 mA (default), 0 to 5 VDC, or 0 to 10 VDC.
or bi-directional pressure ranges as low as 3 psi and as high as 300 psi, depending on the unit. The
A/WPR2 also features a push button auto zero function for remote calibration.
The LCD option will display pressure values for both the High and Low side pressures, a differential pressure
value, “OVR” for values over the specified range, “ERROR” for differential pressures out of range, and “ZERO”
when the auto-zero is in process.
Automation Components, Inc. Made in the USA
The A/WPR2 Series can measure both uni
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SPECIFICATIONS
Automation Components, Inc.
Supply Voltage
Supply Current
Differential Pressure Output
Output Load Resistance
Field Selectable Range/Spans
Accuracy
Output Update Rate
Response Time (0-100% FSO)
Thermal Effects
Proof Pressure
Burst Pressure
Operating Temperature
Compensated Temperature Range
Operating RH
Process Fitting
Enclosure Rating
Product Dimensions
RANGE AND OUTPUT CHART
Series: A/WPR2-30 (Uni-directional)
Series: A/WPR2-30
Series: A/WPR2-100
Series: A/WPR2-100
Series: A/WPR2-300
Series: A/WPR2-300
(Bi-directional)
(Uni-directional)
(Bi-directional)
(Uni-directional)
(Bi-directional)
4 to 20 mA Output: 250Ω Load: 16 to 36 VDC | 500Ω Load: 20 to 36 VDC
0 to 5 / 0 to 10 VDC Output: 16 to 36 VDC, 24 VAC +/- 10%
25 mA maximum (current output), 6 mA maximum (voltage outputs)
2 wire: Linear 4-20 mA DC Current (default), 3 wire: 0-5 VDC; 0-10 VDC (field selectable)
4 to 20 mA: 500 ohms maximum | 0 to 5 / 0 to 10 VDC: 5K ohms minimum
3, 7.5, 15 & 30 psi (uni and bi-directional) for 30 psi sensors
10, 25, 50 & 100 psi (uni and bi-directional) for 100 psi sensors
30, 75, 150 & 300 psi (uni and bi-directional) for 300 psi sensors
±1.0% FSO (includes linearity, hysteresis and repeatability) | ±1.5% for 0-10 & 0-30 psi ranges
1 second
8 seconds
±2.0% FSO from 32 to 140°F (0-60°C)
3X F.S (A/WPR2-30 Series) & (A/WPR2-100 Series) | 2X F.S. (A/WPR2-300 Series)
1500 psi
Sensors: -30 to 120°C (-22 to 248°F) | Electronics/Housing/Cables: 0 to 75°C (32 to 167°F)
32 to 140°F (0 to 60°C)
10 to 90% RH non-condensing
1/4"-18 NPT Male (304 stainless steel); Pressure Snubber included for light oils/water for WPR2-100
NEMA 4X/IP66
Enclosure: (L) 5.10” (W) 3.93” (H) 3.00”
Uni-directional Range: 0-30 psi
Default
Selectable Bi-directional Range:
Default
Uni-directional Range: 0-100 psi
Selectable Bi-directional Range:
Default Uni-directional Range:
Selectable Bi-directional Range:
±30 psi
±100 psi
0-300 psi
±300 psi
Selectable Uni-directional Ranges:
Selectable Bi-directional Ranges:
Selectable Uni-directional Ranges:
Selectable Bi-directional Ranges:
Selectable Uni-directional Ranges:
Selectable Bi-directional Ranges:
15, 7.5 & 3 psi
±15, ±7.5 & ±3 psi
0-50, 25 & 10 psi
±50, ±25 & ±10 psi
0-150, 75 & 30 psi
±150, ±75 & ±30 psi
ORDERING
Select a Sensor Series (A), one Wiring Harness (B), & one LCD Option (C). NOTE: For maximum line pressures less than 100 psi, you should
select the A/WPR2-100 Series and for maximum line pressures between 100 and 300 psi, you should select the A/WPR2-300 Series. The
jumpered output range should be selected based upon the maximum expected differential pressure rather than the maximum line pressure. In
addition, for applications in which the maximum line pressure is 10 PSI or below with a maximum differential pressure of 5 lbs or less we
recommend the use of the A/WP Series Differential pressure with a 3 Valve Manifold for best results.
Sensor Series
A/WPR2-30
A/WPR2-100
A/WPR2-300
Wiring Harness
10’
20’
LCD Option
---- (No LCD)
LCD
BUILD PART NUMBER
After completing (A), (B) & (C) from the above table, fill in the Part Number Table below. An example part number is offered.
EXAMPLE: A/WPR2-100 - 10’ - LCD
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