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Probe type accelerometer

SS 822-51

  • Probe type accelerometer

  • The MegaSig probe type piezoelectric accelerometer consists of ACC 1821-S5L1, shock absorber pad, and probe, which can be used in automated testing fixtures. The sensor is equipped with a charge amplifier inside, and the sensitive element made of piezoelectric ceramic material has good performance, which can operate stably at more extreme temperatures and a wider measurement range.


    The power supply and signal output share a single cable, commonly known as the two-wire system, which uses a coaxial cable to supply 2-10mA constant current power to the sensor, and the output signal is also output by this coaxial cable. It is internationally known as the ICP (or IEPE) method. SS 822-51 is suitable for top pin design and is usually tested in conjunction with cylinder fixtures.


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Description

Specifications

ParameterValue
Sensitivity GradeS5
Factory Sensitivity100mv/g（±10%）
Range (g)±50
Frequency Response1 - 8k（±5%） 8k - 10k（±10%）
Max Transverse Sensitivity≤5%
Amplitude Linearity≤1%
Broadband Resolution0.0001grms
Mounted Resonance Frequency＞40kHz
Shock Resistance2kg
Operating Voltage Range+18V - +28V
Operating Current Range2mA - 10mA（Typical 4mA）
Operating Temperature Range-40℃ - 120℃
Broadband Noise500μg
Frequency Noise (μg/√Hz)10Hz：63 100Hz：20 1000Hz：6.3
Base Strain0.2mg/με
Magnetic Sensitivity1.5g/T
Sensing ElementPiezoelectric Ceramics
Housing MaterialTitanium alloy
Structure TypeShear type
Weight5.5g
Output ConnectorMicrodot接口/M5
Output Connector PositionL1（侧端出线）
Mounting Interface底部M5内Thread连接
AccessoriesM5 连接螺栓*1、减震硅胶以及连接件*1


Specifications

SS 822-51 Series

Sensitivity Level

S5

Sensitivity mV/g（±10%）

100
Range g±50

Frequency Response Hz

1 - 8k（±5）  8k - 10k（±10%）
Maximum Lateral Sensitivity≤5%

Linearity of Amplitude

≤1%
Broadband Resolution   grms0.0001

Install Resonant Frequency

40kHz
Impact Resistance2

Working Voltage Range V

+12 - +28 
Operating Current Range mA2 - 10（Typical4mA）

Working Temperature Range ℃

-40 - 120
Peak Output Voltage V≤6

Broadband Noise  μg

500
Spectral Noise  (μg/√Hz)10Hz：63    100Hz：20   1000Hz：6.3

Base Strain  g/με

0.002
Magnetic Sensitivity g/T1.5


Mechanical Structure

Sensitive ElementPiezoelectric Ceramics

Shell Material

Titanium Alloy
Structural StyleShear Type

Weigh g

5.5
Output Interface

Microdot Interface/M5

Output Interface Location

L1（Side End Outgoing Line）
Installation InterfaceBottom M5 Internal Thread Connection

Attachment

M5 Connecting Bolt * 1、Shock Absorbing Silicone and Connectors*1



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