Piezoelectric High Pressure Transducers – GP Series

Piezoelectric high pressure transducers based on GaPO4 technology



Compared with Quartz Gallium Phosphate has significant advantages:
  • Thermal stability up to 970 °C
  • Excellent stability of piezolectric constant over a wide pressure range
  • Twice the sensitivity of tourmaline and quartz
  • No pyroelectricity
  • Stable material due to industrial process
  • High accuracy
  • High reliability
  • High sensitivity
  • Wide measuring range
  • Small dimensions
Specifications and Behaviour

GP 2

GP 6

GP 8

 Pressure range, MPa

200

600

800

 Overload, MPa

240

640

840

 Sensitivity (nom), pC/MPa

55

30

25

 Linearity, %

≤ ± 0.5

 Operating temperature, °C

- 50 ... 200

 Temperature coefficient, %/°C

- 0.01

 Insulation resistance at 20 °C, Ohm

≥ 1013

 Natural frequency, kHz

≥ 240

 Rise time µs

≤ 1

 Acceleration sensitivity — axial, MPa/g

radial, MPa/g

0.0002
0.0005

< 0.0002
< 0.0005

0.0002
0.0005

 Shock resistance — axial, MPa/g

radial, MPa/g

25000
10000

 Mounting thread, mm

M10 x 1

 Mounting torque, Nm

20

 Weight, g

12

 Cable connector

Microdot 10-32 UNF


GP6 Series are NATO approved since March 2014 and got in 2016
the NATO STOCK NUMBER 6685-41-000-7580.

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