SW3400-X
Wenzhensheng Integrated Intelligent Wireless Sensor
Category:
The SW3400-X series temperature and vibration integrated intelligent wireless sensor combines sensor data collection, edge processing, and Cat.1 wireless communication functions. The product is equipped with a large-capacity lithium battery, a three-axis vibration sensing accelerometer, a PT100 platinum resistor, and an electret microphone. It can accurately, quickly, and continuously detect five types of status signals: three-axis vibration, temperature, and sound of the equipment. It features embedded intelligent diagnostic algorithms and can be widely used in industrial AI fields such as industrial equipment condition monitoring, fault prediction, and fault diagnosis. It can precisely diagnose early faults in rotating machinery such as bearings and gearboxes.
Contact:
Design characteristics
· Range: General frequency: 16g on X/Y/Z three axes; High frequency: 50g on Z axis, 16g on X/Y axes; General frequency: 60g on X/Y/Z three axes
· Frequency response range: Low frequency: 0.5Hz~1.6kHz on X/Y/Z three axes; High frequency: 0.5Hz~28kHz on Z axis, 0.5Hz~1.6kHz on X/Y axes; General frequency: 0.1Hz~8kHz on X/Y/Z three axes
· Temperature measurement range: -50℃~200℃
· Operating ambient temperature: -40℃~70℃; Long-term use at high temperatures will affect battery life
· Operating duration: Not less than 2 years
· Transmission distance: Base station coverage ranges from several kilometers to tens of kilometers
· Explosion-proof rating: Ex ia IIC T4 Ga
Product Advantages

· Mainly applied in industrial AI fields such as industrial equipment condition monitoring, fault prediction, and condition diagnosis analysis.
· Simultaneously detects three-axis vibration, temperature signals, and sound signals, outputting various feature values and waveform data.
· Wide frequency response range enables precise diagnosis of early faults in mechanical equipment such as bearings and gearboxes.
· Temperature sensing element uses imported platinum resistance, offering good stability and high accuracy.
· Sound-sensitive element features full-band noise reduction, anti-howling, and anti-saturation.
· Cat.1 wireless transmission sends data directly to the cloud without a gateway, making installation convenient.
· Ultra-low power design ensures long battery life.
· Antenna has built-in high protection rating, suitable for complex industrial environments with humidity, dust, and strong interference.
Product Parameters
Application Topology

Product Specifications
| Parameters |
Low Frequency (MEMS) Indicators |
High Frequency (MEMS + Piezoelectric) Indicators |
Broadband (MEMS) Indicators |
| Vibration Parameters |
|
||
| Axial |
3-Axis Acceleration |
3-Axis Acceleration |
3-Axis Acceleration |
| Vibration Range |
±16g |
Z-axis ±50g, X and Y axes ±16g |
±60g |
| Frequency Range |
0.5Hz~1.6kHz (±3dB) |
Z: 0.5Hz~28kHz (±3dB), X and Y: 0.5Hz~1.6kHz (±3dB) |
0.1Hz~8kHz (±3dB) |
| Sampling Frequency |
256Hz~51.2kHz |
256Hz~51.2kHz |
256Hz~51.2kHz |
| Sampling Accuracy |
24-bit |
24-bit |
24-bit |
| Number of Sampling Points |
1K, 2K, 4K, 8K, 16K |
1K, 2K, 4K, 8K, 16K |
1K, 2K, 4K, 8K, 16K |
| Measurement Accuracy |
<5% |
<5% |
<5% |
| Battery Parameters |
|
||
| Battery Voltage and Capacity |
3.6V Primary Lithium Thionyl Chloride Battery, Capacity 19Ah |
3.6V Primary Lithium Thionyl Chloride Battery, Capacity 19Ah |
3.6V Primary Lithium Thionyl Chloride Battery, Capacity 19Ah |
| Service Life |
Not less than 2 years under default configuration |
Not less than 2 years under default configuration |
Not less than 2 years under default configuration |
| Temperature Parameters |
|
||
| Sensitive Material |
PT100 Class A |
PT100 Class A |
PT100 Class A |
| Measurement Range |
-50°C~200°C |
-50°C~200°C |
-50°C~200°C |
| Accuracy |
±1°C |
±1°C |
±1°C |
| Sound Parameters |
|
||
| Directionality |
Omnidirectional |
Omnidirectional |
Omnidirectional |
| Sensitivity |
-58dB |
-58dB |
-58dB |
| Signal-to-Noise Ratio |
≥60dB |
≥60dB |
≥60dB |
| Communication Parameters |
|
||
| Communication Mode and Frequency Bands |
Cat.1 (B1/B3/B5/B8/B34/38/39/40/41) |
Cat.1 (B1/B3/B5/B8/B34/38/39/40/41) |
Cat.1 (B1/B3/B5/B8/B34/38/39/40/41) |
| Communication Distance |
Base Station Coverage Range (several kilometers to tens of kilometers) |
Base Station Coverage Range (several kilometers to tens of kilometers) |
Base Station Coverage Range (several kilometers to tens of kilometers) |
| Environmental Parameters |
|
||
| Operating Temperature |
-40°C ~70°C |
-40°C ~70°C |
-40°C ~70°C |
| Storage Temperature |
-50°C ~105°C |
-50°C ~105°C |
-50°C ~105°C |
| Humidity |
Maximum 95% RH (non-condensing) |
Maximum 95% RH (non-condensing) |
Maximum 95% RH (non-condensing) |
| Structural Parameters |
|
||
| Dimensions |
Diameter 46mm, Height 110mm |
Diameter 46mm, Height 110mm |
Diameter 46mm, Height 110mm |
| Weight |
300g (including battery assembly) |
300g (including battery assembly) |
300g (including battery assembly) |
| Installation Method |
Magnetic suction, adhesive, adapter stud |
Magnetic suction, adhesive, adapter stud |
Magnetic suction, adhesive, adapter stud |
| Protection Level |
IP67 (without sound detection) |
IP67 (without sound detection) |
IP67 (without sound detection) |
| Certification Parameters |
|
||
| Explosion-proof Mark |
Ex ia IIC T4 Ga |
Ex ia IIC T4 Ga |
Ex ia IIC T4 Ga |
Product Dimensions

Series Model Guide
| SW |
2 |
0 |
00 |
- |
1 |
| Basic Model |
Sensor Type |
Communication Mode |
Explosion-proof Certification |
- |
Parameter Type |
| SW |
2 = Temperature and Vibration Integrated |
0 = NB-IOT |
01 = Explosion-proof Type |
- |
1 = Low Frequency (MEMS) |
|
|
3 = Temperature, Vibration, and Sound Three-in-One |
1 = WIFI |
00 = Basic Type |
|
2 = High Frequency (MEMS + Piezoelectric) |
|
|
4 = Wireless Temperature Measurement |
2 = LoRa |
|
|
3 = Broadband (MEMS) |
|
|
5 = Wireless Temperature Measurement Host |
3 = RJ45 |
|
|
4 = 433Hz |
|
|
|
4 = 4G |
|
|
5 = 2.4G |
|
|
|
5 = RS485 |
|
|
6 = Infrared |
|
|
|
6 = ZigBee |
|
|
|
|
|
|
7 = Other Communication Methods |
|
|
|
System Model Information
| Product Model |
Product Parameter Description |
| SW3400-1 |
Edge computing, Cat.1 communication, low-frequency three-axis (MEMS) vibration, sound, temperature 5-channel signals |
| SW3401-1 |
Explosion-proof type, Ex ia IIC T4 Ga, edge computing, Cat.1 communication, low-frequency three-axis (MEMS) vibration, sound, temperature 5-channel signals |
| SW3400-2 |
Edge computing, Cat.1 communication, high-frequency three-axis (MEMS + piezoelectric) vibration, sound, temperature 5-channel signals |
| SW3401-2 |
Explosion-proof type, Ex ia IIC T4 Ga, edge computing, Cat.1 communication, high-frequency three-axis (MEMS + piezoelectric) vibration, sound, temperature 5-channel signals |
| SW3400-3 |
Edge computing, Cat.1 communication, full-frequency three-axis (MEMS) vibration, sound, temperature 5-channel signals |
| SW3401-3 |
Explosion-proof type, Ex ia IIC T4 Ga, edge computing, Cat.1 communication, full-frequency three-axis (MEMS) vibration, sound, temperature 5-channel signals |
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