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B&K Vibro Compact, Low Frequency Accelerometer

Brüel & Kjaer Vibro Compact, Low Frequency Accelerometer

$320.00

Item# AS-668

Calibration service available for this series

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $320.00
5-9 $304.00
10-24 $297.60
25-49 $284.80
50-99 $278.40
100+ $272.00

In stock

Lead Time ( If not in Stock): 14 weeks

Brüel & Kjaer Vibro Compact, Low Frequency Accelerometer AS-668 AS-668
  • Compact for installation in virtually any space
  • Hermetically sealed
  • Rugged (IP66/ IP67) and corrosion resistant design 
  • Measures very low frequencies down to 0.5 Hz 
  • Industry proven M12 connector
5 Year Warranty

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Acceleration Range
Frequency Range (Nominal)
Output Type
Mounting Type


Product Specs

  • Apx. Weight 175 g
  • Bias Voltage 9 to 12 Vdc
  • Capacity 5000 g
  • Connection M12 plug, male, 4-pole
  • Environmental Rating IP67/IP68
  • Frequency range 0.5 Hz to 13 kHz (± 3 dB)
  • Housing Material Stainless Steel
  • Linearity < 1 %
  • Maximum Output Voltage 27 V
  • Measuring Range ±60 g
  • Mounting Screw ISO 4762 M6x30 / ¼“-28UNFx30
  • Mounting Torque 3.5 Nm width across flats: 22 mm
  • Nominal Sensitivity at 80 Hz 100 mV/g
  • Operating Temperature Range -55 to 125 °C (-67 to 257 °F)
  • Output Resistance 100 Ω
  • Overload Capacity - Constant 500 g
  • Resonant Frequency (Typical) 30 kHz
  • Sensitivity Accuracy ± 10%
  • Storage Temperature Range -20 to 70 °C (-4 to 158 °F)

This acceleration sensor operates according to the piezo-electric principle. A piezo-element and an internal sensor mass form a spring-mass system in the sensor.

If this system is subjected to vibrations the mass produces an alternating force on the piezo element. As a result of the piezo effect an electrical charge is produced that is proportional to vibration acceleration. An integrated amplifier converts this charge signal into a usable voltage signal.


Brüel & Kjaer Vibro Accelerometer Selection Table

Model

picture

sensor
technology

Sensitivity

Sensitivity
accuracy

Frequency
range
[Hz]

Resonant
frequency

measuring
range

connector
type

connector
style

cable
connection

AS-667

 

 

compression type

100 mV/g

± 10%

0.5 Hz to 13 kHz: (±3 dB)

typ 30 kHz

60 g

M12 - 4 pole

top

mountable

AS-668

 

 

compression type

100 mV/g

± 10%

0.5 Hz to 13 kHz: (±3 dB)

typ 30 kHz

60 g

M12 - 4 pole

lateral

mountable

AS-063

 

 

compression type

100 mV/g

± 5%

1.5 Hz to 13 kHz (± 3 dB)

35kHz ± 3 kHz

80 g

MIL-C-5015

top

mountable

AS-062

 

 

compression type

100 mV/g

± 5%

1.5 Hz to 13 kHz (± 3 dB)

> 20 kHz

80 g

n.a.

lateral

integrated

AS-070/001

 

 

shear type (ring)

100 mV/g

± 20%

0.32 Hz to 10 kHz (± 3 dB)

> 25 kHz

50 g

n.a.

lateral

integrated

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