Current to Pressure (I/P) Converter - NOT CE Compliant - Not for sale in UK/EU


Current to Pressure (I/P) Converter | Omega Engineering | IP210

Current to Pressure (I/P) Converter | Omega Engineering

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  • Loop Power I to P converter
  • Ideal for Pneumatic Control Systems
  • IP65 Sealed Case
  • Zero and Span Adjustments for Field Calibration
  • Rugged Zinc Cast Housing
Válvulas, reguladores e conversores I/P - Ver Produtos Relacionados


The IP210 series has been replaced by our new IP210A series below that performs the same function and comes at a lower price point.

A “current to pressure” (I/P) converter converts an analog signal (4 to 20 mA) to a proportional linear pneumatic output (3 to 15 psig). Its purpose is to translate the analog output from a control system into a precise, repeatable pressure value to control pneumatic actuators/operators, pneumatic valves, dampers, vanes, etc. The IP210 is a loop-powered instrument, which eliminates the need for an external power supply (except for IP210-X120).

Principle of Operation
OMEGA's IP210 converts an analog signal (4 to 20 mA) to a proportional linear pneumatic output (3 to 15 psig). Its uncomplicated design and proven electromagnetic force balance deliver consistently high performance.

The IP210 provides a reliable, repeatable, accurate means of converting an electrical signal into pneumatic pressure. Its force balance principle is a coil suspended in a magnetic field on a flexible mount. At the lower end of the coil is a flapper valve that operates against a precision ground nozzle to create a backpressure on the servo diaphragm of a booster relay.

The input current flows in the coil and produces a force between the coil and the flapper valve, which controls the servo pressure and the output pressure.

Zero adjustment of the unit is made by turning a screw that regulates the distance between the flapper valve and the air nozzle. Span adjustment is made by varying a potentiometer, which shunts input current past the coil. An integral volume flow booster provides adequate flow capacity, resulting in fast response time and accurate control.

Accuracy: 0.5% FS
Supply Sensitivity: 0.025% span per % supply pressure change
Zero Adjustment: 5% FS
Span Adjustment: 20% FS
Operating Temp: -20 to 70°C (-5 to 160°F)
Compensated Temp: -10 to 60°C (15 to 140°F)
Thermal Effects: <0.1%/°C over operating range
Input Resistance: <300 Ω
Media: Oil-free, clean, dry air filtered to 25 µm
Recommended Supply Pressure: 25 to 30 psig (filtered air)
Max Supply Pressure: 80 psig (for IP210-X120: 135 psi)
Min Supply Pressure: 10 psi above maximum output pressure
Air Consumption (Leakage): 0.03 scfm
Flow Rate: 10 scfm ≤60 psi; 0.06 <60 psi
Response Time:
   <30 psi: less than 0.5 s (10 to 90% step)
   ≥30 psi: 2 s
Failure Mode: Upon electrical failure, the signal pressure falls to bleed pressure
Pressure Port: ¼ FNPT
Electrical Connection: DIN 43650 with screw terminals included
Housing: IP65 rated, epoxy-painted zinc die castings
Construction: Nitrile diaphragms, stainless steel/nylon flapper, nozzle and supply valve, integral surface mounting bracket included
Weight: 1.7 kg (3 lb)
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