GKC378 MEMS Current‑Type Vibration Sensor, 4‑20mA Output Industrial Vibration Transmitter for Equipment Monitoring

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Vibration sensor

GKC378

MEMS current-type Vibration sensor

Triaxial MEMS Vibration sensor
4~20mA output
Measurement range ±2g~±16g
Self-test function
IP67 protection rating

Product Introduction

The GKC378 vibration sensor is based on monocrystalline silicon MEMS capacitive sensing technology, providing an analog current output signal of 4mA to 20mA. This product uses low-noise micro mechanical capacitive sensitive components and built-in signal conditioning and compensation circuits to suppress the effects of temperature drift and process deviation on the output, thereby achieving good linearity and long-term stability.
The main technical specifications are as follows:

-Output signal: DC coupled 4mA to 20mA current signal;

-Measurement range: configurable to ± 2g, ± 4g, ± 8g, or ± 16g (factory setting);

-Frequency response: 0 Hz to 200 Hz, suitable for static and low-frequency dynamic vibration measurement;

-Electromagnetic compatibility: Integrated EMC/RFI shielding design to enhance on-site anti-interference capability;

-Power consumption: Adopting a low-power circuit architecture, suitable for industrial power supply environments;

-Self testing function: Built in self testing capability, which can assist in verifying the normal status of sensing components and subsequent signal links.

Based on the above performance, this sensor is suitable for conventional application scenarios such as industrial equipment vibration monitoring, structural health status assessment, and motion control.

Performance Parameters

GKC378	Parameters
Measurement Range	±2g~±16g
Measuring Axis	X,Y,ZAxis
Resolution	<1mg
Zero-Point Acceleration	12mA(current output)
Full-Range Output	4-20mA (current output)
Linearity	1%
Power-On/Power-Off Repeatability	<2mg
Response Frequency	0 -200Hz Integrated low-pass filter
Bandwidth	200Hz@ 3Db
Shock	>100g@11ms(half sine wave）
Shock Recovery Time	<1ms
Operating Temperature Range	-40~+85℃
Storage Temperature Range	-40~+85℃
Supply Voltage	9-36VDC
Maximum Power Consumption	35-38mA@12VDC
Noise Density	<25µg/√ Hz @ ±2g	<60µg/√ Hz @ ±16g
Maximum Calibration Uncertainty	<1mg
Electrical Protection	EMC and RFI shielding
Reliability	MIL-HDBK-217 Level 2
Self-Test	±1g @ 10Hz ST line grounding
Protection Class	IP67
Product Dimensions	L55×W37×H29mm
Product Weight	≤100g(excluding cable)

Product Dimensions