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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

specificationFor high sensitiveUnitNotes
Storage tem.-25~80
Operation temp.-10~50 No Condensation
Power supply voltage-0.3~7V

Specifications

Specification itemsData [typ]unitremarks
Drive voltageFiveV
Detection direction3 axes (X, Y, Z axes)
Output formatPWM outputOutput smoothing is required
Rated acceleration±1.5GFull Scale
Detection sensitivity105mV/G
linearity±2%FS
Zero point output2350 (X, Y axis)
2350 (Z axis)
mV
Sensitivity temperature characteristics±3mV-20℃~+80℃
response frequencyDC~50Hz
Other axis sensitivity±3%
resonant frequency100Hz
power consumptionFourmA

*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 sensorGas control, elevator control, electronic control, plant control, multi-story parking lot
Measuring instrumentInclinometer, seismometer
Civil lifevirtual reality
Machine tools/robotsAbnormal 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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