dataloggers

Geolook Analogue Nodes

Wireless data acquisition nodes for monitoring geotechnical sensors with analogue outputs (Voltage, 4-20mA, Bridge).

Model Variants
1-Sensor (S1) or 4-Sensor (S4)
Analogue Channels
2 (S1) or 8 (S4)
Thermistor Channels
1 (S1) or 4 (S4)

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Overview

Wireless data acquisition nodes for monitoring geotechnical sensors with analogue outputs (Voltage, 4-20mA, Bridge).

The Geolook Analogue Node series is a versatile wireless data acquisition solution designed to monitor a wide range of geotechnical and structural sensors that produce analogue signals. Whether you are reading simple voltage transducers, industrial 4-20mA current loops, or complex Wheatstone bridge strain gauges, these nodes provide a robust interface to the Geolook wireless network. Built for harsh environments, each node features a rugged IP67 enclosure and long-range LoRa connectivity, allowing them to transmit reliable data from deep excavations or tunnels to a central gateway without the need for miles of expensive cabling.

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Benefits & Features

  • Universal Analogue Inputs: Voltage, Current Loop (4-20mA), Wheatstone Bridge
  • Long-Range LoRa Connectivity (up to 15km line-of-sight)
  • Ultra-Low Power: 5+ years battery life on standard reading intervals
  • IP67 Die-cast Aluminum Enclosure for extreme durability
  • Integrated thermistor channels for temperature compensation
  • Remote configuration via smartphone app or cloud portal
  • Seamless integration with Geolook Gateway for automated data upload

Detailed Description

Versatile Sensor compatibility

One of the key strengths of the Geolook Analogue Node is its flexibility. A single device type can be configured to read almost any analogue sensor found on a construction site.

This simplifies inventory management. You don't need different wireless boxes for your load cells and your crack meters. The same node can handle a 4-20mA pressure sensor on Channel 1 and a Potentiometric displacement sensor on Channel 2.

S1 vs. S4: Right-Sizing Your Network

We offer two primary configurations to optimize cost and installation density:

  • BEAM-AN-S1: Ideal for isolated, single-point monitoring locations. It supports 1 physical sensor connection (with up to 2 analogue signal pairs + 1 temperature).
  • BEAM-AN-S4: Designed for clustered sensors, such as a strut instrumented with multiple strain gauges. It acts as a mini-hub, supporting up to 4 physical sensors (8 analogue signal pairs + 4 temperature), reducing the total number of wireless nodes needed.

Wireless Reliability

Utilizing advanced LoRa spread-spectrum technology, these nodes can punch through obstacles that would block standard WiFi or Bluetooth signals. In dense urban environments or underground tunnels, the long-range capability ensures that data always reaches the gateway, even if the node is installed inside a manhole or behind a concrete wall.

Available Models

GEO-AN-S1

GEO-AN-S1

Single-Sensor Node (2 Analogue + 1 Thermistor Ch)

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GEO-AN-S4

GEO-AN-S4

Multi-Sensor Node (8 Analogue + 4 Thermistor Ch)

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Specifications

Model Variants
1-Sensor (S1) or 4-Sensor (S4)
Analogue Channels
2 (S1) or 8 (S4)
Thermistor Channels
1 (S1) or 4 (S4)
Input Types
Voltage, Current (4-20mA), Bridge, Potentiometer
A/D Converter
24-bit Delta-Sigma
Accuracy
±0.05% F.S.
Wireless Range
Up to 15km (LoRa)
Battery Life
Up to 10 years (depending on sampling rate)
Operating Temp
-40°C to +85°C