AKF398 CE MEMS Based Accelerometer Sensor 20mA Current Vibration measurement
AKF398 CE MEMS Based Accelerometer Sensor 20mA Current Vibration measurement
▶ PRODUCT INTRODUCTION
The AKF398 triaxial accelerometer, developed by RION Technology, is a voltage-output sensor ideal for applications such as vibration and impact testing. It features analog voltage output and supports configurable address codes, enabling multiple sensors to be connected in series for long-distance, multi-point measurement and data analysis.
Built with a single crystal silicon capacitive sensor, the AKF398 includes a micro-machined silicon chip, low-power ASIC for signal adjustment, a microprocessor for compensation storage, and a temperature sensor. This design ensures low power consumption, accurate calibration, robust structure, and stable output.
The advanced electronic configuration provides solid-state power for reset and comprehensive over-voltage protection. With excellent stability and reliability, the AKF398 delivers consistent performance in demanding environments.
▶ PRODUCT FEATURES
★ three axis (X,Y,Z)
★ output voltage: 4-20mA
★ power supply:9-36V
★ anti-impact:2000G
★ working temperature: -40°C ~ +85°C
★ store temperature: -40°C ~ +85°C
★ size: L34.3×W34.3×H38.5mm
★ excellent bias stability
★ Good environmental performance (impact, vibration and temperature)
▶ APPLICATION
★ Crash record, fatigue monitoring and prediction
★ Wind power generation
★ Traffic system monitoring, roadbed analysis and high-speed railway fault detection
★ Large machinery, engine
★ Low frequency vibration and automatic monitoring
★ Medical equipment
★ Bridge ★ Vehicle ★ Road roller
▶ PRODUCT PARAMETERS
| AKF398 | PARAMETER | UNIT | |||||
| Range | ±2 | ±4 | ±8 | ±10 | ±20 | ±40 | g |
| Deviation Calibration | <1 | <1 | <1 | <1 | <1 | <1 | mg |
| Measuring Axial | X,Y,Z | X,Y,Z | X,Y,Z | X,Y,Z | X,Y,Z | X,Y,Z | axis |
| Up/Off Power Repeatability | <2 | <2 | <2 | <2 | <2 | <2 | mg(max) |
| Sensitivity (± 10%) | 4 | 2 | 1 | 0.8 | 0.4 | 0.2 | mA/g |
| Deviation temperature coefficient | 0.01 | 0.01 | 0.01 | 0.05 | 0.05 | 0.05 | %/℃ |
| Resolution/Threshold (@ 1Hz) | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | mg(max) |
| Nonlinearity | <0.5 | <0.5 | <0.8 | <1 | <1 | <1 | % FS(max) |
| Frequency response | 500 | 500 | 500 | 500 | 500 | 500 | Hz |
| Bandwidth (3Db) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | Hz |
| Cross-axis sensitivity | 1 | 1 | 1 | 2 | 2 | 2 | % |
| Lateral vibration sensitivity ratio | 1 | 1 | 2 | 5 | 5 | 5 | % |
| Resonant frequency | 2.4 | 2.4 | 2.4 | 5.5 | 5.5 | 5.5 | kHz |
| noise density | 21 | 21 | 21 | 86.6 | 86.6 | 86.6 | μg/√Hz |
| 0g output 12mA | <0.005 | <0.005 | <0.005 | <0.003 | <0.003 | <0.003 | mA |
| Output current | 4~20mA | ||||||
| Reliability | MIL-HDBK-217,grade two | ||||||
| Shock Resistance | 100g@11ms,3 Axial Direction (Half Sinusoid) | ||||||
| Recovery Time | <1ms(1000g, 1/2 sin 1ms, Shock Acting On The i Axis) | ||||||
| Vibration | 20g Rms,20~2000Hz (Random Noise ,o ,p,i Per Axis For Action 30 Minutes ) | ||||||
| Input(VDD_VSS) | 9-36 VDC | ||||||
| Running current consumption | <60mA @ 12 VDC | ||||||
| Connector | Industrial Standard M12 Connector | ||||||
| Protection grade | IP67 | ||||||
| Weight | 73.5g | ||||||
| Dimension | 34.3*34.3*38.5mm | ||||||
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