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H.O. Trerice Co
12950 W. Eight Mile Rd., Oak Park, MI 48237-3288
(810) 399-8000 ~ Fax: (810) 399-7246
MANUFACTURERS OF TEMPERATURE / PRESSURE INSTRUMENTS & CONTROLS - SINCE 1923
Trerice TA901
I/P Current to Pressure
Transducer
Installation,
Operation and
Maintenance
Instructions
541-622-021
Trerice TA901 I/P Transducer
Pilot Pressure
Atmospheric Pressure
Contents
Section
Description
1.0
Description & Installation
2.0
Operation
3.0
Maintenance
4.0
Troubleshooting
Supply Pressure
Output Pressure
Page
2
3
5
5
Page 1
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Table of Contents
Summary of Contents for Trerice TA901
- Page 1 MANUFACTURERS OF TEMPERATURE / PRESSURE INSTRUMENTS & CONTROLS - SINCE 1923 Trerice TA901 I/P Current to Pressure Transducer Installation, Operation and Maintenance Instructions Pilot Pressure Supply Pressure Atmospheric Pressure Output Pressure Contents Section Description Page Description & Installation Operation Maintenance Troubleshooting Trerice TA901 I/P Transducer 541-622-021 Page 1...
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Page 2: Specifications
Unit may be pipe, panel, or bracket mounted. Mounting may be at any angle, though may require field adjustment. High external vibration may cause output fluctuations. Mounting in a vibration-free area is recommended. Trerice TA901 I/P Transducer 541-622-021 Page 2... - Page 3 For I/P (current) input models turn span screw counter clockwise to increase pressure, NOTE clockwise to decrease pressure. For E/P (voltage) input models turn span screw clockwise to increase pressure, counter clockwise to decrease pressure. Figure 2 Electrical Schematic Notes: 541-622-021 Trerice TA901 I/P Transducer Page 3...
- Page 4 (2) #18 GA. Wire Leads, Out/Gauge 18" Long. Port 1.50 14.0 1.44 Black = Positive TYP. TYP. 180° Apart 38.1 36.6 White = Negative 2.3 Intrinsically Safe Operation This I/P TA901 Drawing No. 531-990-016 541-622-021 Trerice TA901 I/P Transducer Page 4...
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Page 5: Troubleshooting
O-Ring Lead Wire Supply pressure too low Output leakage O-Ring Erratic operation Electrical input signal Loose wires or connections Liquid in air supply Spacer Pintle Spring Bottom Plug Body Subassembly 541-622-021 REV 1/24/ 8 Trerice TA901 I/P Transducer Page 5...
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