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Acceleration sensor

Micro acceleration sensor-M70AS

Product Description

M70AS is a miniature IEPE single axial accelerometer permitting simultaneous shock and
vibration measurements. M70AS features an annular shear ceramic crystal which exhibits excellent output stability over time. The accelerometer incorporates an internal circuit in a two wire IEPE system which transmits its low impedance voltage output through the same cable that supplies the constant current power. Signal ground is connected to the outer case of the unit. Isolated mounting adapter is available. Polarity inversion protection for the amplify circuit is inherent in the circuit design. The welded titanium construction provides a lightweight hermetic housing. The miniature M3 glass insulated connector provides long-term stability over the operating temperature range. The M70AS provides wide frequency response, which is ideal for dynamic vibration and shock measurement especially for lightweight structures and drop testing for the packaging industry. Model 12 is a M3 to BNC breakout cable for the sensor.

Key Features

Miniature Size
Adhesive mounting
Hermetic seal
Annular shear mode
Wide frequency response
Shock duration  

Applications

Vibration monitoring
Shock testing
Satellite testing 
Modal analysis
Aircraft testing

Information & Quotation
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Specification

Dynamic performance

Unit


Measurement Range

g

50

100

250

500

1000

2000

Sensitivity ±15%

mV/g

100

50

25

-

-

-

Sensitivity ±10%

mV/g

-

-

-

10

5

2.5

Frequency Range ±5%

Hz

110000

0.5~10000

2~10000

110000

110000

110000

Frequency Range ±3dB

Hz

0.515000

0.3~15000

1~15000

0.515000

0.5~15000

0.515000

Resonant Frequency

kHz

48

Transverse Sensitivity

%

<5

Non-Linearity

% FSO

±1

Shock Limit

g pk

±5000

Environmental parameters       

Temperature response

-55+125°C

%/℃

±10

Operating and Storage Temperature

°C

-50~125

Bias Voltage (Room Temp.)

Vdc

812

Bias Voltage (-50~125) °C

Vdc

613

Electrical characteristics   

Output Impedance

Ω

<100

Full Scale Output Voltage

V

±5

Insulation Resistance

>100

Supply Voltage

Vdc

1830

Supply Current

mA

210

Physical properties

Weight (Excluding Cable)

   

Grams     

0.9

Sensing Element

Piezo Ceramic

Housing Material

Titanium Alloy

Sealing

Welded Hermetic

Grounding

Signal return connected to case

Output Methods

IEPE output



Options

Part Number

Description

Availability

AM003

3 channels IEPE signal conditioner

Optional

AM004

Portable vibration analyzer

Optional

AM005

8 channels data acquisition system

Optional





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