Digital Pressure Transducer / Switch


Digital Pressure Transducer / Switch

Transducer Direct's new TDEPD electronic pressure transducer/switch introduces a patented, programmable marquee display that can be set to revolve, hold at a fixed angle, or inverted for upside down installations of the sensor. Selectable red/green display colors allow the sensor to be programmed to provide a variety of visual cues signaling the pressure, condition and readiness of a fluid power system. OEM/private-labeled models can even be programmed with custom displays.

The TDEPD includes proprietary Spike Monitoring Technology (SMT). Coupled with a sub-millisecond update time, SMT allows the sensor to capture and record short-duration "explosions" of hydraulic overpressure to protect the transducer and fluid-power system. SMT records spikes at 120% of rated pressure, and the number of spikes and maximum pressure recorded can be reviewed on the display using the sensor's programming buttons.

The TDEPD is all-digital with field-selectable, industry-standard outputs. Its proprietary circuitry includes redundant sensing elements to ensure continuous machine uptime, while alerting the machine control of the need for replacement.

The U.S.-made TDEPD eliminates all mechanical components, wear parts and setpoint drift for ultimate reliability in shock and vibration applications. It uses a one-piece, precision-machined stainless steel diaphragm and header. All wetted parts are stainless steel, and the top-mounted connector simplifies wiring installation. Sealed to IP67, it is ideal for automotive stamping presses, mobile hydraulic equipment, injection molding machinery, rolling mills, amusement park rides, timber processing equipment and similar applications.

The low-cost TDEPD is shock rated to 50G and accurate to within 0.5% of its maximum operating pressure of 10,000 psi (689 bar). It is fully compensated for temperature over its entire operating range of -40°F to 185°F (-40° to 85°C).

The TDEPD has one digital output as standard, with an optional analog output of up to 10 VDC or up to 20 mA (field selectable) available. Three configurations are available with one switch output, two switch outputs, or one analog output and one switch output. Standard overpressure rating for the TDEPD is 2X, with 4X and 10X optional. Burst pressure is 5X or 20,000 psi, whichever is less. It is available with a variety of industry standard pressure-port connections.


  • Accuracy: Within 0.5% of its maximum operating pressure of 10,000 psi (689 bar)
  • Temp. Range: -40°F to 185°F
  • Feature: Spike Monitoring Technology   
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