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| Brand Name: | RUICOM |
| Model Number: | GKM390 |
| MOQ: | 1 |
| Payment Terms: | T/T |
| Supply Ability: | 100000 pieces/year |
The GKM390 triaxial accelerometer is a high-performance sensor product independently developed by RUICOM Technology, widely used in vibration monitoring, shock testing, and other fields. This product adopts an analog voltage output mode, supports address encoding settings, and can achieve multi-device cascading networking, facilitating the construction of distributed measurement systems.
Based on single-crystal silicon MEMS capacitive sensing technology, the GKM390 integrates high-precision ASIC signal conditioning circuitry, an embedded temperature compensation module, and a non-volatile memory unit, featuring low power consumption and high stability. The product undergoes rigorous calibration, ensuring reliable structure and excellent output signal consistency. Its innovative circuit design provides solid-state reset functionality and a comprehensive over voltage protection mechanism.
With its robust mechanical structure, excellent zero-bias stability, and low power consumption, this series of products ensures accurate and reliable measurement data, meeting the stringent application requirements of industrial scenarios.
Technical Characteristics
❖ Analog voltage output interface；
❖ Vibration: 10~2000Hz, 10g；
❖ Shock: 100g@11ms, triaxial (half-sine wave)；
❖ Excellent mechanical strength and long-term stability
Application Field
❖ Flight data recording and analysis ❖ Structural fatigue monitoring and life prediction
❖ Bridge structural health monitoring ❖ Track vibration and roadbed stability monitoring
❖ Vehicle vibration testing and monitoring ❖ High-speed train operation status monitoring
❖ Wind turbine generator vibration monitoring ❖ Vibration fault early warning for large machinery
❖ Monitoring of heavy equipment such as road rollers
Performance Parameters
|
GKM390 |
Parameter |
Unit |
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|
Measurement Range |
±2 |
±4 |
±8 |
±10 |
±20 |
±40 |
g |
|
Bias Calibration |
<1 |
<1 |
<1 |
<1 |
<1 |
<1 |
mg |
|
Measurement Axis |
X,Y,Z |
X,Y,Z |
X,Y,Z |
X,Y,Z |
X,Y,Z |
X,Y,Z |
axis |
|
Upward/Power-Off Repeatability |
<2 |
<2 |
<2 |
<2 |
<2 |
<2 |
mg(max) |
|
Sensitivity (±10%) |
1250 |
625 |
312.5 |
250 |
125 |
62.5 |
mv/g |
|
Bias Temp 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 |
<1 |
<1 |
<1 |
<1 |
<1 |
<1 |
%FS(max) |
|
Response Frequency |
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 |
% |
|
Transverse 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 2.5V |
<0.01 |
<0.01 |
<0.01 |
<0.008 |
<0.008 |
<0.008 |
mV |
|
Output Voltage |
0~5V |
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|
Input (VDD_VSS) |
9-36 VDC |
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|
Operating Current Consumption |
<60mA @ 12 VDC |
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|
Protection Class |
IP67 |
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|
Connector |
MI2 * 1.0/5-core aviation plug connector |
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|
cable |
2-meter black PVC shielded wire |
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|
Material |
Product: Aluminum alloy |
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|
Weight |
Net Weight: ≤116g, Magnetic Base: ≤50g |
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|
Dimensions |
Product Dimensions: L36×W32×H24mm |
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|
Note: Do not use beyond the specified range for extended periods. |
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PIN Definition
|
PIN/Thread Color |
Definition |
|
PIN1/Brown |
DC9 ~36V |
|
PIN2/White |
X-axis voltage signal |
|
PIN3/Blue |
Y-axis voltage signal |
|
PIN4/Black |
GND |
|
PIN 5/Yellow-green |
Z-axis voltage signal |
Product Dimensions
Housing: L36×W32×H24mm
Installation Dimensions: L29×W25×H4mm
Mounting screws: 4 M4 screws
Installation Accessory Dimensions
Magnetic base plate dimensions: L36×W32×H8.1mm
Installation Dimensions: L29×W25×H11.6mm
Installation method: Magnetic adsorption base installation
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