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AV3145M15 Miniature Vibration Sensor in IEPE Technology

Vibration Sensor AV3145M15

Specification

Dynamic specification

Sensitivity, ±10 % [1]:

5.0 mV/g

Range FS:

±1000 g peak

Linearity [2]:

1 % FS

Frequency Range, ±5 %:

0.5 … 10000 Hz

Resonant Frequency, nom.:

45 kHz

Residual noise (RMS):

0.07 g

Transverse sensitivity, max.:

5 %

Strain sensitivity, max.:

0.001 g/µσ @ 250 µσ


Electrical specification

Supply voltage:

+18 … +30 VDC

Constant current supply [3]:

2 … 20 mA

Output impedance, typ.:

100 Ω

Bias output voltage:

+8 … +10 VDC

Discharge time constant, nom.:

0.5 s


Environmental specification

Operating temperature:

-50 °C … +145 °C (-60 °F … +300 °F)

Vibration limit:

±1000 g peak

Destruction limit:

3000 g peak

Environmental seal:

hermetic


Physical data

Sensing element design:

Quartz planar shear mode

Weight, approx.:

2.3 gram

Material housing and connector:

Series 300 stainless steel

Case isolation:

Case grounded

Connector type [4]:

5-44 coaxial

Notes

  1. Measured at 100 Hz, 1 g rms per ISA RP 37.2
  2. Linearity is % of specified full scale (or any lesser full scale range), zero-based best fit straight line method.
  3. Power only with ALTHEN or ALTHEN approved IEPE** current source type power unit. Do not apply power to this device without current limiting, 20mA max, to do so will destroy the integral electronics
  4. Glass to metal seal connector. Mates with ALTHEN cable model AV6040A16 (length 16 ft.)

    **IEPE = Integral Electronics Piezo-Electric

Dimensions

Vibration Sensor AV3145M15 dimensions

A 9/32 (Ø0.281 in, 7.1 mm) hex, Ø0.315 in (8.9 mm) across hex corners, typ
B Sense and direction of input acceleration for positive-going output voltage signal
C Thread 5-40, UNC-2A


Mounting port preparation:
drill #38 (Ø0.101 in) x 0.200 in min depth, tap 5-40 x 0.140 in min depth THD

All dimensions are approx. values. Unless otherwise specified dimensions are in inches, dimensions in brackets in mm. These drawings are for information only and not intended for construction purpose. Please ask for detailed drawings.

Information in the PDF datasheet (see above) may be more detailed. Due to continual product development, ALTHEN and partners reserve the right to vary the foregoing details without prior notice.