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Proven Condition Monitoring Solutions

TransCal™ 445 Portable Calibrator

The TransCal™ 445 Portable Calibrator provides a simple-to-use, battery-powered transducer calibrator with built-in drive generator, power amplifier, shaker and reference accelerometer, packaged in a rugged self-contained carrying case.

445 Portable Calibrator

The TransCal™ 445 Portable Calibrator provides a simple-to-use, battery-powered transducer calibrator with built-in drive generator, power amplifier, shaker and reference accelerometer, packaged in a rugged self-contained carrying case.

The operator sets the individual frequencies and amplitudes. The transducer output is measured and the sensitivity is calculated and displayed. The results can be output on the built-in printer as they are measured, or stored in the memory for printing later.

The reference accelerometer, which is integrated in the shaker head, is used to measure and set the vibration amplitude of the shaker. As the input frequency changes, the signal amplitude can be adjusted to keep the reference acceleration constant.

In cases where the transducer is bulky and has a significant weight of its own, an automatic correction for the mass loading effect can be applied to all measurements.

The TransCal 445 Portable Calibrator has an RS-232 port for data transfer to a PC. The data is in ASCII format so that it may be readily incorporated into spreadsheet programs. A self-test program checks the operation of the unit upon initial power-up.

Displacement probes can be calibrated both in static and dynamic modes, and additional optional fixtures are available for this. For dynamic calibration, the DI 224 fixture is available. For static calibration (including linearity checks), the DI 223 fixture is available, which includes a dial micrometer gauge.

  • Fully portable self-contained transducer calibration system.
  • Internal battery.
  • Selectable current sources for current excitation transducers.
  • Built-In thermal printer.
  • Self-test program.
  • Rugged carrying case.
  • Ability to store results in memory.
  • RS-232 port for data transfer to PC.
  • Calibrate Current Excitation, Charge, Velocity, and Displacement transducers.

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