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Naigai Patent number 3766190 Acceleration Sensor

Made in Japan
Manufacturer: Naigai Rubber Industry Co.,Ltd
Model: Patent number 3766190

3-axis acceleration sensor

The axial acceleration sensor is a new type of acceleration sensor that detects acceleration in a three-dimensional space represented by the X, Y, and Z axes by separating it into acceleration components for each axis. A capacitive method is used to detect acceleration, resulting in a simple structure and low price.
Earthquake detectors using this acceleration sensor can be flexibly customized to meet customer requirements, such as for detecting vertical vibrations or rolling vibrations from all horizontal directions.

Absolute Mazimum Rating

specification For high sensitive Unit Notes
Storage tem. -25~80
Operation temp. -10~50  No Condensation
Power supply voltage -0.3~7 V

Specifications

Specification items Data [typ] unit remarks
Drive voltage Five V
Detection direction 3 axes (X, Y, Z axes)
Output format PWM output Output smoothing is required
Rated acceleration ±1.5 G Full Scale
Detection sensitivity 105 mV/G
linearity ±2 %FS
Zero point output 2350 (X, Y axis)
2350 (Z axis)
mV
Sensitivity temperature characteristics ±3 mV -20℃~+80℃
response frequency DC~50 Hz
Other axis sensitivity ±3 %
resonant frequency 100 Hz
power consumption Four mA

*This specification data is based on room temperature of 25℃.

Lead
Red: Power supply (DC5V)
Black: GND
Green: X-axis output (Vx)
White: Y-axis output (Vy)
Yellow: Z-axis output (Vz)

Note) Lead wires may differ depending on the product.

Purpose of use (actual results)

seismic sensor Gas control, elevator control, electronic control, plant control, multi-story parking lot
Measuring instrument Inclinometer, seismometer
Civil life virtual reality
Machine tools/robots Abnormal vibration detection

Caution

  • There is a resonance frequency in the vicinity of the upper limit of the frequency response. Please do not apply in particular resonant frequency over frequency response. It may cause of the damage.
  • Please do not apply excessive shock even after transport and installation becaue of the high sensitive sensor.
  • Because of the sensor improvements, there is a case to change the specifications without notice this specification.

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