Sigfox connected device · Integrated 1-channel crackmeter

FISSURO-IoT® Sigfox
Sigfox-connected crack meter, ready to install, for monitoring a crack and its temperature

All-in-one crack sensor with Sigfox transmission : the displacement sensor is built into the housing, so there is nothing to assemble. Ideal for quickly equipping a single measurement point – a crack, or a displacement between two parts of a structure – with a high-resolution resistive sensor (≤ 0.001 mm) and temperature monitoring. Battery life of 4+ years, IP66, periodic transmission to Simon-e® with alarm thresholds. Ready to use,
supplied with a backing plate and a bracket.

Sigfox 868 MHz (RC1) 1 integrated crack channel Resolution ≤ 0.001 mm 18-bit conversion Battery life 4+ years IP 66 · -25/+85°C
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This product, tailored to your needs

Sensor only

Delivery, commissioning by your teams

+ Implementation

Our technicians take care of deployment

+ Data expertise

Data interpretation by our engineers

Short-term hire

Temporary site ? We hire out the equipment

Need tailored support ? Our offers adapt to your context.

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Cas d'application

Measuring the displacement of 3D bridge bearings - one enclosure per measurement point, quick installation with no cabling

Crack openings and displacements between two parts of a structure - measurement correlated with ambient temperature

Cavity collapses - monitoring in hard-to-access areas, with no local infrastructure to deploy

Discreet measurements on historic monuments - compact enclosure, no visible wiring, Sigfox operator network coverage

Operating principle

  • The enclosure directly integrates a resistive displacement sensor, a temperature sensor and microcontroller-driven signal-conditioning electronics – it is a finished sensor, not an enclosure to be connected up.
  • The Sigfox module periodically sends the measurements (displacement and temperature) to the Simon-e® web portal over the Sigfox operator network, (with no gateway to install on site).
  • The user views the measurements and sets alarm thresholds in Simon-e®. Supplied with a backing plate (mounting) and a bracket (crack opening tracking).

Carastéristiques

Radio transmission — Sigfox

Network Sigfox — ISM 868 MHz frequency
Coverage Entire Sigfox RC1 zone (operator network)
Local infrastructure No gateway to install
Antenna Flexible ¼-wave (supplied)

Measurement channels

Configuration 1 displacement channel + 1 temperature channel (integrated)
Sensor Built into the housing (not remote, not interchangeable)

Displacement sensor

Type Resistive, with built-in spring-return rod
Standard measuring range ±5 mm
Resolution ≤ 0.001 mm
Accuracy ±0.1% of F.S.
Ingress protection IP 66

Temperature probe

Range -25°C to +85°C
Resolution 0.1°C
Accuracy ±0.3°C

Measurement unit & memory

A/D conversion 18-bit
Acquisition interval Configurable from 15 min to 24h
Power supply 2 × AA 3.6 V lithium batteries
Battery life > 4 years (1 displacement + temperature measurement / hour)

Housing & mechanics

Material Aluminium
Weight 300 g
Dimensions 64 × 98 × 36 mm
Ingress protection IP 66
Storage temp. 0°C to +65°C
Operating temp. -25°C to +85°C

Accessories & integration

Back plate ✓ Housing mounting (supplied)
Angle bracket ✓ Crack-opening monitoring (supplied)
SIMon-e® platform ✓ Visualisation + configurable alarm thresholds

Simon-e®

Monitoring of structures and natural sites

Simon-e® is a simple, practical and comprehensive web platform for the monitoring data of your structure : openings, joints, cracks, tilt, deformation, stress, temperature, …

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