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TA901 Electropneumatic I/P Transducer
Brand: Trerice Gauges & ValvesThe Trerice TA901 Electropneumatic (I/P) Transducer converts a milliamp current signal to a linearly proportional pneumatic output pressure.
This transducer is designed for control applications that require a high degree of reliability and repeatability.
The TA901 is used in the control operation of valve actuators and pneumatic valve positioners in the petrochemical, HVAC, energy management, textile, paper, and food and drug industries.
The TA901 I/P Transducer is tested and approved by Factory Mutual as Intrinsically Safe Class I, II and III, Division I, Groups C, D, E, F and G when installed in accordance with the Installation, Operation and Maintenance Instructions.
It should be installed in a vertical position in a vibration-free area. The Trerice TA987 Air Filter/Regulator is recommended for filtering and regulating the pressure of plant compressed air and delivering clean, dry air at the proper pressure to pneumatic control devices
Features- 4 to 20 mA Input
- 1 to 17 PSI Output
- Intrinsically Safe
- Zero and Span Adjustments
Specifications
Brand
Input
- 4-20 mA
Output
- 1-17 psig per ANSI/FCI 87-2 (can be calibrated to provide 1-9 psig or 9-17 psig)
Volume Booster
- Built-in Volume Booster allows flow capacity up to 20 scfm
Connections
- Pneumatic: 1/4” NPT
- Electric: 1/2” NPT
Air Requirements
- Clean, Oil-free, Dry Air Filtered to 40 microns
Minimum Supply Pressure
- 3 psig
Maximum Supply Pressure
- 100 psig
Sensitivity
- < ± 0.1 % of Span per psig
Air Consumption
- 0.03 SCFH typical
Flow Rate
- 4.5 scfm at 25 psig supply
Relief Capacity
- 2.0 scfm at 5 psig above 20 psig Setpoint
Mounting
- Pipe, Panel or Bracket in a Vibration-free Area. Field Adjustment will be required if mounted in a Non-vertical position
Adjustment
- Adjustable Zero and Span
Accuracy
- Terminal Base Linearity: < ± 0.75 % of Span
- Repeatability: < ± 0.5 % of Span
- Hysteresis: < 1.0 % of Span
- Response Time: < 0.25 seconds @ 3-15 psig
Intrinsic Safety
- Tested and approved by Factory Mutual as Intrinsically Safe Class I, II and III, Division I, Groups C, D, E, F and G when installed in accordance with Installation, Operation and Maintenance Instruction
Ambient Temperature
- -20° F (-30° C) to 140° F (60° C)
Approximate Shipping Weight
- 2.1 lbs (0.94 kg)