TILTdot Wireless Tiltmeter

The Sanlien TILTdot is an electronic dual-axis wireless tiltmeter designed for precise inclination monitoring in a wide range of structural and geotechnical applications.
Equipped with LTE-M wireless transmission, temperature measurement, and durable waterproof enclosure, TILTdot ensures reliable and continuous data delivery even in challenging environments.
Its low-power 18650 Li-ion rechargeable battery supports months of autonomous operation, while the built-in 32 GB Micro SD card stores over 1 million data records, ensuring data security and backup via the dot cloud service.

Download Materials

Datasheet Manual

Product information:

Applications

Tilt Monitoring for subway, high speed rail, and bridges piers
Structural inclination monitoring of subway, railways and tunnels
Tilt monitoring for retaining walls
Slope surface displacement monitoring
Tilt monitoring for building structures
Suitable for monitoring in new construction for site, civil engineering, water conservancy construction, bridge engineering and slope safety

Key Features

Real-time monitoring enabled via LTE-M and dot cloud integration
Supports MQTT protocol for versatile data acquisition and integration
Low-power consumption
Robust and waterproof enclosure
Recorded data can be uploaded to cloud service for 24-hour real-time monitoring through simple set-ups on the SD card

Technical Specifications

Sensor Type: MEMS Accelerometer
Storage: 32 GB Micro SD Card
Axial Module: Biaxial
Resolution: 0.0001 °
LPWAN: LTE-M
Operating Temperature: -30 °C to 85 °C
Measurement Accuracy: ±0.01 °, calibrated to ±30 °
Network Protocol: MQTT
Measuring Range: ±90 °
Power Supply: 18650 Li-ion Battery x2 (Supports 5‒18 Vdc charging via solar panel or external source)
Battery Life: up to 3 months (RSSI < 15) to 6 months (RSSI ≥ 15) with hourly measurements.
Dimension (L x W x H): 100 x 100 x 60 mm (excluding antenna)