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Acceleration sensor

Micro acceleration sensor-M71AS

Product Description

M71AS is a miniature IEPE single axial accelerometer with waterproof rating IP68, permitting simultaneous shock and vibration measurements under humid/greasy dirt
environment. M71AS 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 glass insulated connector provides long-term stability, special waterproof connectivity ensure the seal assembly of sensor and cable exit. The M71AS provides wide frequency response, which is ideal for dynamic vibration and shock measurement especially for lightweight structures and drop testing for the packaging industry. M71AS integrated with customized length cable and a 10-32 electrical connector.

Key Features

Water proof
Miniature size
Adhesive mounting
Annular shear mode
Wide frequency response 

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

200

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

-55~125

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

Piezo Ceramic

Humidity 

Hermetically Sealed

Output Methods

IEPE output



Accessories

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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