WBdot Wheatstone Bridge Datalogger

The Sanlien WBdot Wheatstone Bridge Datalogger is a high-performance data acquisition device featuring LTE-M wireless transmission technology. With its rugged waterproof casing and low-power consumption, the WBdot ensures reliable data collection and seamless cloud transmission even in demanding environments. Combining durability, accuracy, and efficient data management, the WBdot is a dependable choice for civil engineering and structural monitoring applications, delivering stable, long-term performance and effortless data integration.

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Datasheet Manual

Product information:

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

Real-time monitoring enabled via LTE-M wireless transmission and dot cloud integration
Supports MQTT protocol for versatile data acquisition and integration
Low-power consumption
Robust and waterproof enclosure
Data uploads to the dot cloud via simple Micro SD card setup
Built-in 16 GB Micro SD card enabling local data recording and storage

Technical Specifications

Accuracy: ±0.1 %
Network Protocol: MQTT
Measurement Type: Strain gauge sensors
Storage: 16 GB Micro SD card
Channel: 1
Resolution: 0.1 micro-strain
LPWAN: LTE-M
Measuring Range: ±5000 micro-strain
Applicable Bridge Resistance: 350 Ω (Full Bridge)
Power supply: 18650 Li-ion battery x2 (Supports 5‒18 Vdc charging via solar panel or external source)
Power Consumption: up to 8 months (RSSI <15) to 16 months (RSSI ≥15) with hourly measurement
Dimension (WxLxH): 100 x 100 x 60 mm (excluding antenna)