Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-09-24
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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 |
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