Industrial Process Transducers

The Process Control line of I/P Transducers utilizes a flapper and nozzle attached to a voice coil to proportionally regulate the output pressure. The Fairchild T5200, T5400, T5700 and T6000 pressure transducer series offer dependable performance at economical prices. The new T6100 I/P unit also offers “Lock in Last Place” reliability in an easy to use product configuration.

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  • Lock in Place I/P Pressure Transducers (T6100)

    T6100
    Uniquely designed by Fairchild, the T6100 "Lock in Last Place" I/P pressure transducer provides flexibility, reliability and safety in applications requiring protection from signal failures to critical control system instruments. Its simple yet effective voice coil actuation now Locks in "Last Position" to accurately capture the setpoint with extremely low drift after a power loss permits the T6100 to maintain set point. The unit's IP65 rating allows you to handle moist applications with ease. Design of the T6100 relies on a proprietary integrated solenoid valve module interposed between the flapper-nozzle pilot and the booster section. Upon signal failure, an electrical charge stored within the active electronic circuit controlling the integrated solenoid valve module maintains the current to the voice coil at its last setpoint. Simultaneously, a high energy pulse closes the solenoid valve, trapping the signal pressure within the signal chamber at the last setpoint. The booster continues to provide its normal forward and exhaust flow, with the constant signal pressure now captured and maintained within the signal chamber. Advanced valve orifice design of the T6100 increases its forward flow capacity to a minimum of 5-scfm at 21-psig supply pressure. Read More
  • Fast Response E/P, I/P Pressure Transducers (T5200)

    Fast Response E/P, I/P Pressure Transducers (T5200)
    Rotork Fairchild's T5200 Transducer is a Fast Response I/P, E/P Transducer controlled by a 4-20 mA current in a control loop. With its reliable signal conversion and pneumatic circuit sections, the T5200 I/P Transducer provides fast response to input signal changes, resulting in faster loop control and savings in process materials. The Signal Conversion Section (PC Board) accepts a 4-20 mA current from the control loop. This signal current is applied to a coil which creates a magnetic force that moves a Flexure Arm. The Pneumatic Section operates as a force balance system. A Sapphire Ball floats inside a Nozzle and controls the output pressure by exhausting air supplied through an Orifice. This Sapphire Ball acts as a piston exerting a force which is balanced against the force of the Flexure Arm.Its minimal air consumption allows you to use the T5200 in systems where operating gas is expensive. Five available input signal ranges deliver the versatility to meet most process and machine requirements. These available inputs are 1-5 mA, 4-20 mA, 10-50 mA, 1-5 VDC and 1-9 VDC, each with the corresponding output range of 3-15 psig, [0.2-1.0 BAR], (20-100 kPa). Read More
  • Fast Response High Flow E/P, I/P Pressure Transducers (T5220)

    Fast Response High Flow E/P, I/P Pressure Transducers (T5220)
    As a Fast Response High Flow I/P, E/P Transducer, the Fairchild T5220 has all the performance you want in a voice coil I/P transducer product, but it also includes a built in booster section to deliver high flow capacity, up to 45 SCFM (76.5 m3/HR) with six available rations to allow pressure multiplication to the output. This feature, along with the adjustable positive and negative bias allows you to custom design your control system for exactly the desired performance. The Signal Conversion Section (PC Board) accepts a DC current or voltage. This signal is applied to a coil which creates a magnetic force that moves a Flexure Arm. The Pneumatic Section operates as a force balance system. A Sapphire Ball floats inside a Nozzle and controls the output pressure by exhausting air supplied through an Orifice. This Sapphire Ball acts as a piston exerting a force which is balanced against the force transferred to the Flexure Arm by the Coil. The Booster Section amplifies the output pressure of the transducer. Read More
  • Adjustable Ratio, E/P, I/P Pressure Transducer (T5221)

    T5221
    When your application requires a very specific control system, look to the T5221 Adjustable Ratio I/P, E/P Transducer. The T5221 Transducer is an electro-pneumatic device that converts a DC current or voltage input signal to a proportional output pressure. This device is made up of four sections, the Signal Conversion Section, the Pneumatic Section, the Ratio Section, and the Booster Section. The Fairchild T5221 I/P transducer has all the response and flow performance features of the T5200 series, with the addition of an Adjustable Gain from the ratio section, which allows this single device to cover most industrial and process control requirements. The output pressure is a function of signal pressure times the ratio of lever arm lengths on either side of the Pivot. Read More
  • Digital Pressure Transducer (T5400)

    T5400
    The T5400 Transducer is a digital-pneumatic device that provides a pneumatic output signal controlled by 8 bit digital data instructions from a central control room, a remote control location, or a local control station. This device is made up of two sections, the Signal Conversion Section and the Pneumatic Section. The Signal Conversion Section (PC Board) accepts an 8 bit parallel wired digital signal. Full scale output is divided into 255 parts and the output level is based on the logic state (high or low) of the 8 bits. An enable line allows the unit to accept information from a parallel bus. The digital input signal is converted to an analog signal. The signal is then applied to the actuation mechanism. The Fairchild T5400 Fail Safe High or Low will return the output to 3 psig for Direct Acting Mode or to 15 psig for Reverse Acting Mode if the power is lost, regardless of the logic selected. Read More
  • Digital High Flow E/P, I/P Pressure Transducer (T5420)

    T5420
    The T5420 is a Digital-Pneumatic Transducer, compatible with most digital systems using TTL and CMOS Logic. Its Fail safe High or Low will return the field reversible output to 3 psig for Direct Acting Mode or to 15 psig for Reverse Acting Mode if the power is lost, regardless of the logic selected. The Integral Volume Booster Output of the T5420 provides a flow capacity of 45 SCFM (76.5 m3/HR), to meet input requirements of final control elements requiring a higher capability output signal, increased output pressure, and/or increased flows. Read More
  • High Flow E/P, I/P Pressure Transducers (T5700)

    T5700.rev1
    Fairchild's Model T5700 is an electro-pneumatic transducer that converts a current signal to a linear pneumatic output, using a force balance system with a flapper and the nozzle to control the pressure in the intermediate housing. Its low droop under flow conditions allows improved control of downstream pressure. Additionally, the T5700 has high flow and is virtually immune to supply pressure change, which permits use of normal plant air. The T5700's minimal air use in dead end service (.05 SCFM) dramatically reduces air consumption. Read More
  • Compact E/P, I/P Pressure Transducers (T6000)

    T6000
    The T6000 compact size E/P, I/P pressure transducer is a field reversible unit that provides an output directly or inversely proportional to the input signal. Its six available output pressure ranges and six available input signal ranges meet most process and machine requirements. The T6000 Series is designed for precision applications providing maximum versatility. The modular construction permits any basic unit to be used in the explosion-proof, rack, wall, pipe, panel, DIN rail or 3, 5, 10, or 15 unit manifold configurations and servicing or calibration is quick and easy. An extended range T6000 I/P Transducer is also available, which provides output pressure capability up to 0-120 psi [0-8.0 BAR], (0-800 kPa). The Extended Unit is made up of three sections, the Primary Control Section, the Pneumatic Relay Section, and an additional Pneumatic Relay Section. The additional Relay Section is used to amplify the output pressure. Read More