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    Triaxial Accelerometer Sensor, Voltage Output

    Cheap price triaxial accelerometer sensor with 0-5V voltage output, working temperature -40°C ~ 85°C, 20g Rms, 20-2000 Hz Vibration. It is used in crash record, wind power generation, traffic system monitoring, roadbed analysis and high-speed railway fault detection, bridge.
    SKU: ATO-AS-AKF390
    Free Shipping Worldwide
    Delivery date: 6-12 days

    3-axis accelerometer sensor with cross-axis sensitivity 1%/ 2%, six measuring range can be chosen. It has advantages of strong structure, low power consumption and excellent deviation stability, which guarantees outstanding output reliability.


    Model AKF390
    Measuring Range (g) ±2 ±4 ±8 ±10 ±20 ±40
    Sensitivity (± 10%) (mA/g) 1250 625 312.5 250 125 62.5
    Nonlinearity (% FS)(highest) <0.5 <0.8 <1
    Lateral vibration sensitivity ratio (%) 1 2 5
    Deviation Temperature Coefficient (%/ ℃) (Typical value) 0.01 0.05
    Cross-axis sensitivity (%) 1 2
    Resonance frequency (kHz) 2.4 5.5
    noise density (μg/ Hz) 21 86.6
    0g output 2.5V (mV) <0.01 <0.008
    Bandwidth (3Db) (Hz) 1000
    Resolution/ Threshold (@ 1Hz) (mg) (highest) <1
    Deviation Calibration (mg) (max) <1
    Measuring Axis X, Y, Z
    Up/ off Power Repeatablity (mg) (max) <2
    Reliability MIL-HDBK-217, Grade 2
    Shock Resistance 100g@11ms, Triaxial and Identical (Half Sine Wave)
    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
    Current Consumption <60mA @ 12 VDC
    Connector Industrial standard M12 connector
    Weight 73.5g
    Dimension 34.3*34.3*38.5mm
    Certificate CE
    Warranty 12 months

    Dimension (unit=mm)

     Dimension of accelerometer sensor

    Dimension of Mounting Fittings (unit=mm)

    Mounting dimension of accelerometer sensor  

            Magnetic adsorption base plate                                                                                  L-type adapter plate 

    Electrical Connection

    Electrical connection of acceleromrter sensor

    Tips: Selection Guide of Triaxial Accelerometer Sensor.

    1. Output type

    This is the first thing to consider. This depends on the interface between your system and the accelerometer. Generally, the voltage and acceleration of the analog output are proportional, for example, 2.5V corresponds to an acceleration of 0g, and 2.6V corresponds to an acceleration of 0.5g. Digital output generally uses pulse width modulation (PWM) signals.

    If you use a microcontroller with only digital inputs, such as BASIC Stamp, then you can only choose a digital output accelerometer, but the problem is that you have to take up an extra clock unit to process the PWM signal, and it is also for the processor. A big burden.

    If the microcontroller you are using has an analog input port, such as PIC/AVR/OOPIC, you can easily use an acceleration sensor with an analog interface, all you need is to add a command similar to "acceleration=read_adc()" in the program , And the speed of processing this instruction is only a few microseconds.

    2. Number of measuring axes

    For most projects, the two-axis acceleration sensor can already meet most applications. For some special applications, such as UAV and ROV control, a three-axis acceleration sensor may be suitable.

    3. Maximum measured value

    If you only need to measure the inclination angle of the robot relative to the ground, a ±1.5g acceleration sensor is sufficient. But if you need to measure the dynamic performance of the robot, ±2g should also be sufficient. If your robot will suddenly start or stop, then you need a ±5g sensor.


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