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Acceleration sensor

Micro acceleration sensor-M74AT

Product Description

M74AT is an IEPE triaxial accelerometer designed for under-water applications. The accelerometer uses shear piezo electronical element which provides a wide operating frequency range. The IEPE sensor combines outstanding crystals and low noise integral microelectronics to achieve very low sensitivity variation over the operating temperature range, compared to other sensing element designs. The shear element technology also ensures high immunity to base strain errors. The accelerometer uses a welded titanium construction for low mass and integral cable assembly for under water operation. Excellent frequency response, both amplitude and phase, provide the user with a triaxial accelerometer ideally suited for structural and component testing, drop tests and hydraulic dynamic laboratory work. The miniature cube size of this accelerometer enables the test engineer or technician to measure the accelerations of three orthogonal axes of vibration simultaneously on lightweight structures. All variations provide reliable measurements and long-term stability.

Key Features

Waterproof design
Tri-axial measurement
Miniature cube
Adhesive or stud mounting
Hermetic seal
Annular shear mode
Shock duration  

Applications

Hydraulic dynamic
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

0.510000

210000

1~10000

110000

110000

Frequency Range ±3dB

Hz

0.515000

0.315000

115000

0.5~15000

0.5~15000

0.5~15000

Resonant Frequency

kHz

42

Transverse Sensitivity

%

<5

Non-Linearity

% FSO

±1

Shock Limit

g

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     

4.3

Mounting torque

lb-in (N-m)

16 (1.8)

Sensing Element

Piezo ceramic

Housing Material

Titanium alloy

Humidity

Hermetically sealed

Output Methods

IEPE output





Accessories

Availability

HS013

M3X8.0 cup point set screw

Included

AM003

3 channels IEPE signal conditioner

Optional

AM004

Portable vibration analyzer

Optional

AM005

8 channels data acquisition system

Optional




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