Adot4 Analog Datalogger
Adot4 is an analog datalogger with both LTE-M and NB-IoT wireless transmission technologies, which is 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 be used to measure analog instrument signals such as voltage, current, resistance and various thermometers. It has a sturdy waterproof outer case and low power consumption design to ensure accurate and continuous data collection even in harsh environments.
OVERVIEW
Description
Introduction
Adot4 is an analog datalogger with both LTE-M and NB-IoT wireless transmission technologies, which is 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 be used to measure analog instrument signals such as voltage, current, resistance and various thermometers. It has a sturdy waterproof outer case and low power consumption design to ensure accurate and continuous data collection even in harsh environments.
The Adot4 analog datalogger is equipped with a built-in 32GB 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
Tilt monitoring ‒ MEMS Tiltmeters
Water level monitoring ‒ 4-20 mA Transducers
Load monitoring ‒ Full Wheatstone Bridge Load Cells
Displacement monitoring ‒ Potentiometers
Crack monitoring ‒ Potentiometers
Temperature monitoring ‒ RTD / PT100 / 3K thermistors measurement
Key Features
- Low-Power Consumption
Powered by four 18650 Li-ion batteries, Adot4 operates up to 6 months (RSSI < 15) to 12 months (RSSI ≥ 15) with hourly measurements. - MQTT Protocol
Supports MQTT for versatile data acquisition and integration. - LTE-M and NB-IoT wireless transmission
Real-time monitoring enabled via LTE-M / 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
- Bridge Engineering
- Slope Safety
Product Specification
| Feature | Specification |
|---|---|
| Measurement Type | Analog sensor |
| ADC | 24-bit resolution |
| Channel | 4 |
| Differential Voltage measurement | ±10 V |
| Single-Ended Voltage measurement | 0-5 V |
| Current Loop measurement | 4-20 mA |
| Wheatstone Bridge measurement | Full Wheatstone Bridge |
| Temperature measurement | RTD / PT100 / 3K Thermistors |
| Power Output | 5 V/130 mA or 12 V/130 mA |
| LPWAN | LTE-M / NB-IoT |
| Network Protocol | MQTT |
| Storage | 32 GB Micro SD Card (expandable) |
| Power Supply | 18650 Li-ion battery x4 (Supports 5‒18 Vdc charging via solar panel or external source) |
| Power Consumption | 6 months (RSSI <15) ; 12 months (RSSI ≥15), one measurement per hour |
| Dimension (L x W x H) | 160 x 160 x 70 mm (excluding antenna) |
*All prices, features, and specifications are subject to change without prior notice.















