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993B-5 | 993B-6 | 993B-7 General Purpose Triaxial Vibration Sensors

Vibration Sensors 993B

Features

  • Rugged hermetic design
  • 3-axis simultaneous sensing
  • Broad frequency response
  • Captive mounting screw
  • EMI/RFI protection
  • ESD protection
  • Reverse wire protection
  • Low noise

Specifications

Parameter 993B-5 993B-6 993B-7


Dynamic

Sensitivity, ±10 %, 25 °C:

25 mV/g

50 mV/g

100 mV/g

Range:

±160 g peak

±80 g peak

±40 g peak

Amplitude non-linearity:

1 %

Frequency response, ±3 dB (1):

Z-axis: 2 … 10000 Hz
X, Y axis: 2 … 7000 Hz

Transverse sensitivity, max.:

7 % of axial


Electrical

Supply voltage:

18 … 30 VDC

Constant current:

2 … 5 mA

Electrical noise, equiv. g, nom.:

Broadband 2.5 Hz … 25 kHz

336 µg

220 µg

160 µg

Spectral 10 Hz

24 µg/√Hz

15 µg/√Hz

10 µg/√Hz

Spectral 100 Hz

3.2 µg/√Hz

2.0 µg/√Hz

1.4 µg/√Hz

Spectral 1000 Hz

2 µg/√Hz

1.1 µg/√Hz

1.0 µg/√Hz

Output impedance, max.:

400 Ω

Bias output voltage:

11 VDC

Grounding:

Case isolated, internally shielded

Turn-on time:

<1 s


Environmental

Temperature range

-50 °C … +120 °C

Vibration limit:

500 g peak

Shock limit:

5000 g peak

Electromagnetic sensitivity, equiv. in g

100 µg/gauss

Environmental sealing:

hermetic

Base strain sensitivity, max.:

0.0005 g/µstrain

Hydrostatic pressure, max.:

100 psi (IP68)


Mechanical

Weight, without cable:

134 grams

Case material:

316L stainless steel

Mounting:

Thread 10-32, captive screw

Electrical connection:

Integral Teflon cable J9T4B, approx. 4.5 m, armoured


Note (1)As measured using the mounting screw.

Anschlussbelegung

green: ........... X axis power / signal
red: ........... Y axis power / signal
white: ........... Z axis power / signal
black: ........... common (all channels)
screen

Dimensions

Dimensions Vibration Sensor 993B

Dimensions in inches [mm], approx. values!
These drawings are for information only and not intended for construction purpose.

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.