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AS-668-Series

B&K Vibro Compact, Low Frequency Accelerometer

Models In Stock
  • 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 
AS-668-Series
From $ 493.81
Models In Stock
B&K Vibro Compact, Low Frequency Accelerometer AS-668-Series AS-668-Series
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Product Overview
  • Status Control false
  • Additional Features 1 Piezoelectric Principle, Compression type
  • Applications Assembly Line, Casing Vibration, Compressor Control, Power Generation, Power Plants & Boilers, Pump Control, Shaft Vibrations
  • Connector Style Lateral
  • Electrical Output 27 V
  • Enclosure Material Stainless Steel
  • Enclosure Ratings IP66, IP77
  • Ground Isolated Case
  • Linearity Error < 1 %
  • Measuring Range ±60 g
  • Mounting M6 x 30 Screw
  • Mounting Note ISO 4762 M6x30 or ¼“-28UNFx30
  • Mounting Torque 3.5 Nm
  • Natural frequency 30 kHz
  • Operating Temperature, Max 125 °C
  • Operating Temperature, Min -55 °C
  • Output Detail Voltage across entire temperature range: 12.4 Vdc to 13.4 Vdc
  • Output Resistance 100 Ω
  • Overload Capacity 5000 g peak
  • Sensitivity Note Cross Sensitivity: 5%
  • Sensor Type Compression Type
  • Storage Temperature, Max 70 °C
  • Storage Temperature, Min -20 °C
  • Supply Current 2 mA to 10 mA
  • Weight 175 g

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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