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CET-53 Wireless Tilt & Vibration Monitoring Sensor
The CET-53 is a high-precision wireless monitoring sensor integrating inclination measurement and three-axis vibration acceleration monitoring.
It is designed for long-term structural health monitoring of bridges and other civil infrastructure. With configurable sampling frequency, low-power sleep mode, and a built-in rechargeable lithium battery, it is suitable for long-term unattended field deployment.
Key Features
- Inclination + Vibration Monitoring: Measures structural tilt and three-axis vibration acceleration in one device.
- High-Precision Inclination Measurement: Accuracy up to 0.005°.
- High Resolution: Inclination resolution up to 0.001°.
- Three-Axis Measurement: Supports X / Y / Z directions.
- Dynamic Acceleration Monitoring: Adjustable acceleration sampling frequency from 1 to 200 Hz.
- Low-Power Design: Automatically enters sleep mode between acquisition cycles.
- Long Battery Life: Built-in high-capacity lithium battery for long-term unattended monitoring.
- Configurable Sampling Frequency: Monitoring frequency can be adjusted according to project requirements.
- Wireless Data Transmission: Suitable for distributed field installation without extensive cabling.
- High Shock Resistance: Designed for demanding structural monitoring environments.
Main Technical Specifications
Parameter Specification Inclination Measurement Range ±5° / ±15° / ±30° Inclination Accuracy 0.005° / 0.008° / 0.01° Inclination Resolution 0.001° Zero Temperature Drift ±0.001°/°C Cross-Axis Error 0.005° / 0.008° / 0.01° Measurement Axes X / Y / Z Acceleration Sampling Frequency 1–200 Hz Inclination Sampling Frequency 1 Hz Acceleration Range ±2 g Inclination Range ±90° MTBF ≥90,000 hours Insulation Resistance ≥100 MΩ Shock Resistance 2000 g, 0.5 ms, 3 times/axis Typical Applications
Bridge Structural Health Monitoring
Bridge Tilt Monitoring
Bridge Vibration Monitoring
Pier & Tower Inclination Monitoring
Long-Span Bridge Monitoring
Slope & Retaining Structure Monitoring
Building Structural Monitoring -
CET-SE23 Wireless Monitoring Node
The CET-SE23 is a compact, low-power wireless monitoring node designed for long-term unattended structural and geotechnical monitoring.
It supports remote data acquisition and 4G wireless transmission, with configurable monitoring intervals and an IP67-rated enclosure for harsh outdoor environments. It is suitable for distributed monitoring of bridges, slopes, tunnels, and geological hazards.
Key Features
- Ultra-Low Power Design: Optimized for long-term unattended field monitoring.
- 4G Wireless Communication: Supports remote data transmission to cloud platforms or monitoring servers.
- Flexible Sensor Integration: Can be configured for different monitoring sensors according to project requirements.
- Remote Configuration: Acquisition intervals and monitoring parameters can be remotely adjusted.
- IP67 Protection: Suitable for outdoor and harsh environmental conditions.
- Wide Operating Temperature: Supports operation from -40°C to +85°C.
- Compact Wireless Node: Suitable for distributed deployment at multiple monitoring locations.
- Long-Term Monitoring: Designed for continuous infrastructure and geotechnical safety monitoring.
Main Technical Specifications
Parameter Specification Digital Channels 1–128* Digital Signal RS485 Acquisition Mode Scheduled Acquisition Acquisition Interval Remotely Configurable Wireless Communication 4G Power Supply Solar Power* Maximum Power 2 W Protection Rating IP67 Operating Temperature -40°C to +85°C Operating Humidity 0–95% RH Typical Applications
Bridge Structural Health Monitoring
Slope Safety Monitoring
Tunnel Monitoring
Geotechnical Monitoring
Geological Hazard Monitoring
Remote Infrastructure Monitoring
Distributed Sensor Monitoring -
CET2104/2204 Wireless Hybrid Data Acquisition Unit
The CET2104/2204 is a high-performance, low-power wireless data acquisition unit designed for structural health monitoring and engineering safety monitoring.
It combines RS485 digital sensor acquisition with 4-channel analog signal acquisition, supporting vibrating wire, voltage, and current sensors. With remotely configurable acquisition cycles and integrated 4G communication, it is suitable for long-term unattended monitoring of bridges, tunnels, slopes, and geotechnical structures.
Key Features
- Hybrid Digital & Analog Acquisition: Supports both RS485 digital sensors and analog sensors in one unit.
- Up to 64 Digital Channels: Supports 1–64 RS485 digital sensor channels.
- 4 Analog Channels: Supports vibrating wire, voltage, and current signal inputs.
- 4G Wireless Communication: Enables remote data upload to cloud platforms or monitoring servers.
- Remote Configuration: Acquisition intervals can be remotely configured according to monitoring requirements.
- Low-Power Design: Sleep current at the μA level, with average operating current of approximately 100 mA.
- Solar Power Compatible: Suitable for long-term field deployment without fixed grid power.
- Vibrating Wire Measurement: Supports 400–5000 Hz vibrating wire sensors.
- High-Resolution Measurement: Frequency resolution 0.1 Hz and temperature resolution 0.1°C.
- Suitable for Outdoor Monitoring: Designed for distributed and unattended structural monitoring applications.
Main Technical Specifications
Parameter Specification Digital Channels 1–64 Analog Channels 4 Digital Signal RS485 Analog Signals Vibrating Wire / Voltage / Current Acquisition Mode Scheduled Acquisition Acquisition Interval Remotely Configurable Voltage Input Range ±100 mV / ±200 mV / ±500 mV / ±1 V / ±2 V / ±5 V / ±10 V Voltage Accuracy 0.3% FS Current Input Range 0–20 mA Current Accuracy 0.3% FS Vibrating Wire Range 400–5000 Hz Frequency Resolution 0.1 Hz Temperature Resolution 0.1°C Wireless Communication 4G Power Supply Solar Power Compatible Typical Applications
Bridge Structural Health Monitoring
Tunnel Monitoring
Slope Safety Monitoring
Geotechnical Monitoring
Foundation Pit Monitoring
Deformation & Strain Monitoring
Remote Infrastructure Monitoring -
CET-SD2200 Wireless Digital Data Acquisition Unit
CET-SD2200 Wireless Digital Data Acquisition Unit
The CET-SD2200 is an intelligent low-power data acquisition unit designed for long-term outdoor structural and environmental monitoring. It supports up to 128 RS485 digital sensor channels, scheduled data acquisition, 4G wireless transmission, and solar power supply.
With an IP67-rated enclosure and a wide operating temperature range, it is suitable for unattended monitoring of bridges, tunnels, slopes, geotechnical structures, and other infrastructure.
Key Features
- Up to 128 Digital Channels: Supports 1–128 RS485 digital sensors for large-scale distributed monitoring.
- RS485 Sensor Integration: Designed for digital sensors with RS485 communication interfaces.
- 4G Wireless Communication: Enables remote data transmission to cloud platforms or monitoring servers.
- Solar Powered: Suitable for remote locations without permanent grid power.
- Ultra-Low Power Design: Maximum power consumption only 2 W, suitable for long-term unattended monitoring.
- Remote Configuration: Monitoring and acquisition intervals can be remotely configured.
- Scheduled Data Acquisition: Automatically polls connected RS485 sensors according to preset monitoring cycles.
- Reliable Data Storage: Supports local data storage during network interruptions and continued transmission after communication is restored.
- IP67 Protection: Designed for outdoor and harsh environmental conditions.
- Wide Operating Temperature: Operates from -40°C to +85°C.
Main Technical Specifications
Parameter Specification Digital Channels 1–128 Signal Type RS485 Digital Signal Acquisition Mode Scheduled Acquisition Acquisition Interval Remotely Configurable Wireless Communication 4G Power Supply Solar Power Maximum Power Consumption 2 W Protection Rating IP67 Operating Temperature -40°C to +85°C Operating Humidity 0–95% RH Typical Applications
Bridge Structural Health Monitoring
Tunnel Monitoring
Slope Safety Monitoring
Geotechnical Monitoring
Environmental Monitoring
Geological Hazard Monitoring & Early Warning
Remote Infrastructure Monitoring -
CET-04/08 Wireless Dynamic Signal Acquisition Unit
The CET-04/08 is a low-power, high-precision wireless dynamic data acquisition unit designed for bridge structural health monitoring and dynamic response measurement.
It supports strain, voltage, current, and IEPE sensor inputs, provides high-speed 24-bit data acquisition, and uploads monitoring data through 4G wireless communication. The monitoring cycle can be remotely configured according to project requirements, making it suitable for long-term unattended bridge monitoring.
Key Features
- 4 / 8-Channel Acquisition: Flexible configuration for different monitoring requirements.
- 24-bit High-Precision ADC: Dynamic range over 106 dB for accurate signal acquisition.
- High-Speed Sampling: Up to 200 kHz per channel, with a maximum total sampling rate of 1 MHz.
- Multiple Signal Inputs: Supports strain, voltage, current, and IEPE sensors.
- 4G Wireless Communication: Enables remote monitoring and data transmission without wired network infrastructure.
- Remote Monitoring Cycle Configuration: Acquisition cycles can be remotely adjusted according to monitoring requirements.
- Low-Power Design: Automatically enters standby mode between acquisition cycles.
- Solar Power Support: Suitable for long-term unattended field monitoring.
- Expandable Design: Channel capacity can be expanded through cascading.
- Easy Field Deployment: Compact design for distributed monitoring locations.
Main Technical Specifications
Parameter Specification Channels 4 / 8 Signal Inputs Strain / Voltage / Current / IEPE Acquisition Mode Continuous acquisition during each monitoring cycle Monitoring Cycle Remotely configurable Acquisition Frequency 10–200 Hz A/D Sampling Rate Up to 200 kHz/channel, 1 MHz maximum A/D Resolution 24-bit Dynamic Range >106 dB Strain Measurement Range ±5000 με Strain Resolution 1 με Voltage Input Range ±100 mV / ±200 mV / ±500 mV / ±1 V / ±2 V / ±5 V / ±10 V Voltage Accuracy 0.3% FS Current Input Range 0–20 mA Current Accuracy 0.3% FS Wireless Communication 4G Power Supply Solar power supported Typical Applications
Bridge Structural Health Monitoring
Bridge Vibration Monitoring
Dynamic Strain Measurement
Vehicle-Induced Structural Response Monitoring
Distributed Bridge Monitoring
Remote Structural Monitoring
Modal and Vibration Analysis -
CET-SV08/16 Vibrating Wire Data Acquisition Unit
The CET-SV08/16 is a high-precision multi-channel data acquisition unit designed for vibrating wire sensors used in structural health and engineering safety monitoring. It simultaneously measures sensor frequency and temperature signals, providing reliable long-term monitoring of stress, strain, deformation, and other structural parameters.
Available in 8-channel and 16-channel configurations, it is suitable for bridges, tunnels, foundation pits, and other civil engineering structures.
Key Features
- 8 / 16-Channel Acquisition: Simultaneous monitoring of multiple vibrating wire sensors.
- High Measurement Accuracy: Frequency resolution up to 0.1 Hz.
- Wide Frequency Range: Supports vibrating wire signals from 400 to 5000 Hz.
- Temperature Measurement: Supports thermistor temperature acquisition with 0.1°C resolution.
- Automatic Temperature Compensation: Helps improve long-term measurement stability.
- Strong Anti-Interference Performance: Metal enclosure with optoelectronic isolation.
- IP66 Protection: Suitable for harsh field monitoring environments.
- Offline Data Storage: Stores monitoring data during communication interruptions.
- Automatic Data Upload: Automatically resumes data transmission after network recovery.
- Compact Design: Small and lightweight for easy installation and field deployment.
Main Technical Specifications
Parameter Specification Channels 8 / 16 Signal Type Vibrating Wire Acquisition Mode Continuous Acquisition Frequency Range 400–5000 Hz Frequency Resolution 0.1 Hz Frequency Error ±0.01% Rd ±0.1 Hz Thermistor Resistance 3 kΩ–100 kΩ Temperature Resolution 0.1°C Protection Rating IP66 Enclosure Metal Housing Isolation Optoelectronic Isolation Data Storage Offline Storage Supported Data Recovery Automatic Upload After Network Recovery Typical Applications
Bridge Structural Health Monitoring
Tunnel Structural Monitoring
Foundation Pit Monitoring
Structural Stress Monitoring
Structural Strain Monitoring
Deformation Monitoring
Geotechnical Safety Monitoring -
CET-DA08/16 Dynamic Signal Acquisition Unit
The CET-DA08/16 is a high-performance, high-precision dynamic data acquisition unit designed for bridge structural health monitoring and dynamic response measurement. It supports strain, voltage, current, and IEPE sensor inputs, with 24-bit ADC and high-speed continuous sampling for accurate real-time monitoring of structural response under dynamic loads.
Key Features
- High Precision & Wide Dynamic Range: 24-bit ADC with dynamic range over 106 dB.
- High-Speed Sampling: Up to 200 kHz per channel, with a maximum total sampling rate of 1 MHz.
- 8 / 16 Channels: Flexible configurations for different monitoring requirements.
- Multiple Signal Inputs: Supports strain, voltage, current, and IEPE sensors.
- Continuous Data Acquisition: Suitable for real-time dynamic structural monitoring.
- FFT Analysis Capability: Supports high-precision frequency-domain analysis for vibration and modal monitoring.
- Flexible Voltage Ranges: Multiple selectable input ranges from ±100 mV to ±10 V.
- Expandable Design: Channel capacity can be expanded through cascading.
- Compact Design: Suitable for field deployment and portable monitoring applications.
Main Technical Specifications
Parameter Specification Channels 8 / 16 Signal Inputs Strain / Voltage / Current / IEPE Acquisition Mode Continuous Sampling Acquisition Frequency 10–200 Hz A/D Sampling Rate Up to 200 kHz/channel, 1 MHz maximum A/D Resolution 24-bit Dynamic Range >106 dB Strain Measurement Range ±5000 με Strain Resolution 1 με Voltage Input Range ±100 mV / ±200 mV / ±500 mV / ±1 V / ±2 V / ±5 V / ±10 V Voltage Accuracy 0.3% FS Current Input Range 0–20 mA Current Accuracy 0.3% FS Typical Applications
Bridge Dynamic Monitoring
Structural Health Monitoring (SHM)
Bridge Vibration Monitoring
Dynamic Strain Measurement
Modal Testing & Analysis
Vehicle-Induced Structural Response Monitoring
Load Testing of Bridges and Structures -
CET-XZ20 Multi-Channel Data Acquisition Unit
The CET-XZ20 is an intelligent multi-channel data acquisition unit designed for structural health monitoring and engineering safety monitoring. It features a modular design, supports mixed sensor inputs, provides up to 64 physical channels, and supports both wired and wireless data transmission. It is suitable for centralized monitoring applications such as bridges, tunnels, slopes, dams, foundation pits, and other infrastructure.
Key Features
- Multi-Sensor Compatibility: Supports vibrating wire, resistance, voltage, current, thermocouple, and RS485 sensors.
- High-Capacity Data Acquisition: Available with 16 / 32 / 64 channels, with up to 64 physical channels per unit.
- Wired & Wireless Communication: Supports LAN, Internet, GPRS, and CDMA communication.
- Automatic Data Recovery: Data is stored locally during communication interruptions and automatically retransmitted once the network is restored.
- Ultra-Low Power Consumption: Standby current approximately 5 μA.
- Remote Configuration: Supports both local and remote parameter configuration.
- Wide Operating Temperature: -30°C to +80°C.
- Industrial Protection: Compact enclosure with IP64 protection for field installation.
Main Technical Specifications
Parameter Specification Channels 16 / 32 / 64 Voltage Input ±10 V Current Input 0–20 mA Resistance Input 0–5000 Ω Vibrating Wire Input 500–5000 Hz RS485 Supported Voltage Accuracy ±0.01% Current Accuracy ±0.02% Resistance Accuracy ±0.05% Vibrating Wire Accuracy ±0.02% Sampling Rate >1 channel/s for thermistor, voltage, current and thermocouple signals Vibrating Wire Sampling >1 channel/2 s Communication LAN / Internet / GPRS / CDMA Power Supply +12 VDC Operating Temperature -30°C to +80°C Protection Rating IP64 Dimensions 251 × 192 × 90 mm -
CET-20L-CAT1 Wireless Data Acquisition Unit
CET-20L-CAT1 Wireless Data Acquisition Unit
The CET-20L-CAT1 is a multi-channel intelligent data acquisition unit designed for structural health and engineering safety monitoring. It supports multiple sensor types, CAT1 wireless transmission, ultra-low-power operation, and remote configuration, making it suitable for long-term unattended monitoring of bridges, slopes, tunnels, dams, and other infrastructure.
Key Features
- Multi-Sensor Compatibility: Supports vibrating wire, resistance, voltage, current, thermocouple, and RS485 sensors.
- Flexible Channel Configuration: Available with 8 / 16 / 32 / 48 / 64 channels.
- CAT1 Wireless Communication: Suitable for remote automated monitoring and distributed field deployment.
- Ultra-Low Power Consumption: Standby current < 5 μA, supporting rechargeable battery and solar-powered applications.
- Automatic Data Recovery: Data is stored locally during communication interruptions and automatically retransmitted when the network is restored.
- Remote Configuration: Supports both local and remote parameter settings.
- Wide Operating Temperature: -30°C to +80°C.
Main Technical Specifications
Parameter Specification Channels 8 / 16 / 32 / 48 / 64 Voltage Input ±10 V Current Input 0–20 mA Resistance Input 0–5000 Ω Vibrating Wire Input 500–5000 Hz RS485 Supported Voltage Accuracy ±0.01% Current Accuracy ±0.02% Vibrating Wire Accuracy ±0.02% Operating Temperature -30°C to +80°C Power Supply Built-in rechargeable battery Standby Current <5 μA
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