Piezoelectric Accelerometer0 pages
Piezoelectric Accelerometer
Applications
• Gas Turbine Engine Monitoring
• Ground Test Application
• APU Testing
• Compressor or Gear Box
Monitoring
Features
• Self-generated
(no external power)
• Balanced Differential Output
• Operates to +500°F (+260°C)
• Available in 10, 20 or 50 pC/g
sensitivity
Description
The CEC Model 4-170 is a self-generating,
piezoelectric accelerometer designed for
medium temperature vibration measurement
applications. This instrument provides a high
sensitivity and stable output for continuous
operation at temperatures as high as +500°F
(+260°C). While the unit does not require power
for operation, the accelerometer output must be
operated into a charge converter that is designed
to accept a 100,000 ohm source resistance.
The 4-170 piezo ceramic sensing element
is housed within a rugged case, where both the
case and connector are made from Inconel 625.
The mounting base incorporates a standard
three-point mounting pattern on a 1.188”
diameter B.C., common to many applications.
The 4-170 series provides a balanced differential
output that is isolated from the case ground.
CEC Vibration Products • 746 Arrow Grand Circle • Covina, California 91722 • USA
(626) 938-0200 • (800) 468-1345 • Fax: (626) 938-0202 www.cecvp.com
ISO 9001:2000
AS9100
Certified
Accelerometers
4-170