Turbine Traders Ltd          1670 133rd PL NE

       Bellevue, WA 98005 USA 

Tel  425 644-0244
Fax 425 644-0663
PT6, PT6T, TwinPac,
Rolls Royce 250, Chadwick-Helmuth, Vibrex



Calibrator Model 11

Model 11A & 11A/11PS Calibrator for Balancer/Analyzers

The Calibrator allows the accurate calibration check and complete end-to-end functional check, at the customer's facility, of the Chadwick-Helmuth Vibrex, Model 192A and Model 8500 Balance/Analyzer. The Model 11A operates on 28 VDC and the Model 11A/11PS on 110 VAC power.

In checking the overall calibration of the Balancer/Analyzer units, the Calibrator checks the following:

  • Phase display
  • Vibration amplitude
  • Accelerometers or velocimeters
  • High temperature accelerometers
  • Velocity coil transducers
  • Strobe
  • Magnetic pickup or photo cell pickup
  • Interconnecting cables


Input Power

Model 11A — 28 VDC
Model 11A/11PS — 110 VAC, 60 Hz

Optional Accessories

Accelerometer, velocimeter, magnetic pickup


Model 11A — 3.5" wide x 4" deep x 5" high
(8.9cm x 10.2cm x 12.7cm)
Model 11A/11PS — 3.5" wide x 7" deep x 5" high
(8.9cm x 17.8cm x 12.7cm)


Model 11A — 3.25 lbs (1.47 kg)
Model 11A/11PS — 6.25 lbs (2.8 kg)

Turbine Traders offers sales, calibration and repair for Chadwick-Helmuth Model 11, 11A and 11A/11PS Calibrators.