VWdot Vibrating Wire Datalogger
The VWdot Vibrating Wire datalogger utilizes NB-IoT wireless transmission technology and is specially designed to meet the needs of geotechnical engineering applications. It is a reliable choice for automated safety monitoring in civil engineering, water conservancy, construction, and other fields. This datalogger can measure the frequency of vibrating wire sensors and thermistor temperature signals with low power consumption, ensuring accurate and continuous data collection even in harsh environments. The VWdot Vibrating Wire datalogger is equipped with a built-in 32 GB Micro SD card, providing sufficient storage capacity for over one million data records, making data analysis during long-term monitoring more comprehensive and ensuring that no critical data is missed. This datalogger is renowned for its excellent cost performance and reliability and has undergone rigorous testing and quality verification to deliver accurate and consistent measurement.
OVERVIEW
Description
Introduction
The VWdot Vibrating Wire datalogger utilizes NB-IoT wireless transmission technology and is specially designed to meet the needs of geotechnical engineering applications. It is a reliable choice for automated safety monitoring in civil engineering, water conservancy, construction, and other fields. This datalogger can measure the frequency of vibrating wire sensors and thermistor temperature signals with low power consumption, ensuring accurate and continuous data collection even in harsh environments. The VWdot Vibrating Wire datalogger is equipped with a built-in 32 GB Micro SD card, providing sufficient storage capacity for over one million data records, making data analysis during long-term monitoring more comprehensive and ensuring that no critical data is missed. This datalogger is renowned for its excellent cost performance and reliability and has undergone rigorous testing and quality verification to deliver accurate and consistent measurement.
Applications
- Water level monitoring – Water level transducers measurement
- Water pressure monitoring – Piezometers measurement
- Stress monitoring – Rebar strain gauges measurement
- Strain monitoring – Strain gauges measurement
- Load monitoring – Load cells measurement
- Crack monitoring – Crackmeters measurement
- Landslide monitoring – Displacement transducers measurement
Key Features
- Low-Power Consumption
Powered by two 18650 Li-ion batteries, VWdot operates up to 8 months (RSSI < 15) to 16 months (RSSI ≥ 15) with hourly measurements. - MQTT Protocol
Supports MQTT for versatile data acquisition and integration. - NB-IoT wireless transmission
Real-time monitoring enabled via NB-IoT and dot cloud integration. - Simple Operation
Data uploads to the dot cloud via simple Micro SD card setup.
Best Suited
- Construction Site and Civil Engineering Project
- Water Conservancy Project
- Slope Safety
- Bridge Engineering
Product Specification
| VWdot | VWdot4 | |
|---|---|---|
| Measurement Type | Vibrating Wire Sensor | Vibrating Wire Sensor |
| Measuring Range | 450 to 6000 Hz | 450 to 6000 Hz |
| Accuracy | ±0.01 %@3000 Hz | ±0.01 %@3000 Hz |
| Channel | 1 | 4 |
| LPWAN | NB-IoT | NB-IoT |
| Network Protocol | MQTT | MQTT |
| Storage | 32 GB Micro SD Card (expandable) | 32 GB Micro SD Card (expandable) |
| Power Supply | 18650 Li-ion battery x2 (Supports 5‒18 Vdc charging via solar panel or external source) | 18650 Li-ion battery x4 (Supports 5‒18 Vdc charging via solar panel or external source) |
| Power Consumption | 8 months (RSSI <15) / 16 months (RSSI ≥15), one measurement per hour | 15 months (RSSI <15) / 24 months (RSSI ≥15), one measurement per hour |
| Temperature Type | Thermistor | Thermistor |
| Temperature Resolution | 0.1°C | 0.1°C |
| Dimension (L x W x H) | 100 x 100 x 60 mm (excluding antenna) | 160 x 160 x 70 mm (excluding antenna) |
*All prices, features, and specifications are subject to change without prior notice.















