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PAX-S Strain Gauge Amplifiers

Single channel input panel meter including excitation of strain gauge sensors

About the PAX-S Strain Gauge Amplifiers

The PAX® Analog Panel Meters offer many features and performance capabilities to suit a wide range of industrial applications. Available in five different models to handle various analog inputs, including DC Voltage/Current, AC Voltage/Current, Process, Temperature, and Strain Gage Inputs. The optional plug-in output cards allow the opportunity to configure the meter for present applications, while providing easy upgrades for future needs.

The meters employ a bright 0.56" LED display. The unit is available with a red sunlight readable or a standard green LED. The intensity of display can be adjusted from dark room applications up to sunlight readable, making it ideal for viewing in bright light applications.

The meters provide a MAX and MIN reading memory with programmable capture time. The capture time is used to prevent detection of false max or min readings which may occur during start-up or unusual process events.

The signal totalizer (integrator) can be used to compute a time-input product. This can be used to provide a readout of totalized flow, calculate service intervals of motors or pumps, etc. The totalizer can also accumulate batch weighing operations.

The meters have four setpoint outputs, implemented on Plug-in option cards. The Plug-in cards provide dual FORM-C relays (5A), quad FORM-A (3A), or either quad sinking or quad sourcing open collector logic outputs. The setpoint alarms can be configured to suit a variety of control and alarm requirements.

Communication and Bus Capabilities are also available as option cards. These include RS232, RS485, Modbus, DeviceNet, and Profibus-DP. Readout values and setpoint alarm values can be controlled through the bus. Additionally, the meters have a feature that allows a remote computer to directly control the outputs of the meter. With an RS232 or RS485 card installed, it is possible to configure the meter using a Windows® based program. The configuration data can be saved to a file for later recall.

A linear DC output signal is available as an optional Plug-in card. The card provides either 20 mA or 10 V signals. The output can be scaled independent of the input range and can track either the input, totalizer, max or min readings.

Once the meters have been initially configured, the parameter list may be locked out from further modification in its entirety or only the setpoint values can be made accessible.

The meters have been specifically designed for harsh industrial environments. With NEMA 4X/IP65 sealed bezel and extensive testing of noise effects to CE requirements, the meter provides a tough yet reliable application solution.


Key features PAX-S

  • Load cell, pressure and torque bridge inputs
  • Dual range input: ±24 mV or ±240 mV
  • Selectable 5 VDC or 10 VDC bridge excitaation
  • 5-digit 0.56" red sunlight readable display
  • Variable intensity display
  • 16 point scaling for non-linear processes
  • Programmble function keys/user inputs
  • 9 digit totalizer (integrator) with batching
  • Optional custom units overlay w/backlight
  • Four setpoint alarm outputs (w/option card)
  • Communication and bus capabilities w/option card)
  • Retransmitted analog output (w/option card)
  • IP65 sealed front bezel
  • Crimson® programming software


Supply Voltage
85-250 VAC 50/60 Hz; 11-36 VDC
Enclosure for control panel mounting
Dimens. [mm]
97 x 50 x 104
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