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Jewell DKA Digital MEMS Accelerometer

Updated:2025-09-24

Brand: Jewell
Model: DKA
Description: Jewell Instruments DKA Series Accelerometers are an excellent choice for cost to performance trade off. The DKA is based on silicon micro-machined MEMS Capacitive Accelerometer technology and designed
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Product Details

Jewell DKA Digital MEMS Accelerometer Description：

Datasheet Drawing

Jewell Instruments DKA Series Accelerometers are an excellent choice for cost to performance trade off. The DKA is based on silicon micro-machined MEMS Capacitive Accelerometer technology and designed for low power and high stability.

Specifications

Measurement Range (g)¹	±2	±4	±8	±10	±20	±40
Output Interface	RS-232, RS-485, RS-485 MODBUS, and TTL
Calibration Deviation (mg)	<1.0	<1.0	<1.0	<1.0	<1.0	<1.0
Measuring Axis	X, Y, Z (3-axis)	X, Y, Z (3-axis)	X, Y, Z (3-axis)	X, Y, Z (3-axis)	X, Y, Z (3-axis)	X, Y, Z (3-axis)
Bias Temperature Coefficient (%/°C, typical)	0.01	0.01	0.01	0.01	0.01	0.01
0° Output Error (mV)	<0.005	<0.005	<0.005	<0.003	<0.003	<0.003
Cross Axis Sensitivity(%)	1.0	1.0	1.0	2.0	2.0	2.0
Resolution @ 1Hz (mg, max)	<1.0	<1.0	<1.0	<1.0	<1.0	<1.0
Nonlinearity (% of Full Scale, max)	<0.5	<0.8	<1.0	<1.0	<1.0	<1.0
Lateral Vibration Sensitivity Ratio (%)	1.0	1.0	2.0	5.0	5.0	5.0
Bandwidth (Hz, 3db)	725	725	725	725	725	725
Noise Spectral Density (μVolts/√Hz)	21.0	21.0	21.0	86.6	86.6	86.6
Output Rate (Hz)	5, 10, 25, 50, 100, 200, 500, and 1000
Protocol	Jewell Std Protocol and MODBUS RTU Protocol

Weight	2.6 oz
Dimensions	1.35 × 1.35 × 1.51 in
Features	? Triaxial Configuration ? Measuring ranges of ±2G thru ±40G ? 100g shock protection ? Up to 1000 Hz bandwidth ? Ruggedized for harsh environment operation ? IP67 rating ? High Sensitivity with 1mg resolution ? RS232, RS485, MODBUS, and TTL Digital Interface outputs ? 9-36Vdc input voltage ? 2-meter cable whip (Included) ? M12 connector
Applications	? Tower Cranes ? Wind Power Monitoring ? Robotics ? Traffic System Analysis ? Low-Frequency Vibration Measurement ? Medical Equipment testing ? Automatic Control Systems ? Large Machinery Monitoring ? Vehicle Testing

Input Voltage (Vdc)	9 to 36
Operating Current	<60mA at 12Vdc
Operating Temperature Range	-40 to +85°C
Storage Temperature Range	-55 to +100°C
Shock Resistance	100g (11msec ? sine)
Vibration Resistance	20grms @ 20-2000Hz
Seal	IP67
Connector	Standard M12