ACC 1820-SxLx

Uniaxial Accelerometer
The ACC 1820-SxLx series accelerometers are piezoelectric acceleration sensors that integrate an internal charge amplifier. Their sensing elements, fabricated from piezoelectric ceramic materials, deliver robust performance and maintain sufficient stability over long-term operation.
Powered via coaxial cable with a constant current supply of 2-10 mA, these sensors output signals through the same cable—a configuration internationally recognized as the IEPE (Integrated Electronics Piezo-Electric) standard.
The ACC 1820-SxLx series achieves optimal testing results when paired with IEPE-compatible data acquisition cards such as the MegaSig PM 6183.

Specifications

Parameter	Value
Sensitivity Grade	S3
Factory Sensitivity	10mV/g（±10%）
Range (g)	±500g
Frequency Response	1Hz - 10kHz（±5%） 0.5Hz - 12kHz（±10%）
Max Transverse Sensitivity	≤5%
Amplitude Linearity	/
Broadband Resolution	0.0001grms
Mounted Resonance Frequency	＞40kHz
Shock Resistance	3kg
Operating Voltage Range	+18V - +28V
Operating Current Range	2mA - 10mA （Typical4mA）
Operating Temperature Range	-40℃ - 120℃
Broadband Noise	4000μg
Frequency Noise (μg/√Hz)	0Hz：300(μg/√Hz) 100Hz：75 (μg/√Hz) 1000Hz：35 (μg/√Hz)
Base Strain	0.002g/με
Magnetic Sensitivity	1.5g/T
Sensing Element	Piezoelectric Ceramics
Housing Material	Titanium alloy
Structure Type	Shear
Weight	≤5.5g
Output Connector	M5
Output Connector Position	可选L1（侧端出线）或L2（顶端出线）
Mounting Interface	Bottom M5 Thread
Accessories	M5 mounting stud

Specifications

ACC 1820-SxLx
Sensitivity Level	S3	S5
Sensitivity	10mV/g（±10%）	100mV/g（±10%）
Measurement Range	±500g	±50g
Frequency Response	2Hz - 8kHz（±5%） 1Hz - 10kHz（±10%）	2Hz - 8kHz（±5%） 1Hz - 10kHz（±10%）
Transverse Sensitivity	≤5%	≤5%
Broadband Resolution	0.0001grms	0.0001grms
Resonant Frequency	＞40kHz	＞40kHz
Overload Limit (Shock)	3000g	2000g
Working Voltage	+18 - ＋28V	+18 - ＋28V
Working Current	2mA - 10mA（Typical 4mA）	2mA - 10mA（Typical 4mA）
Working Temperature	-40℃ - 120℃	-40℃ - 120℃
Broadband Noise	4000μg	550μg
Spectral Noise	10Hz：300(μg/√Hz) 100Hz：75 (μg/√Hz) 1000Hz：35 (μg/√Hz)	10Hz：63(μg/√Hz) 100Hz：20 (μg/√Hz) 1000Hz：6.3 (μg/√Hz)
Base Strain Sensitivity	0.002g/με	0.002g/με
Magnetic Sensitivity	1.5g/T	1.5g/T
Sensing Element	Piezoelectric Ceramics	Piezoelectric Ceramics
Housing Material	Titanium	Titanium
Sensing Geometry	Shear	Shear
Weight	≤5.5g	≤5.5g
Electrical Connector	M5	M5
Electrical Connection Position	L1(Side) or L2(Top) is optional	L1(Side) or L2(Top) is optional
Mounting Thread	M5 Female	M5 Female
Accessory	M5 Bolt	M5 Bolt