FlatMesh 3 Crack Sensor Node

FlatMesh 3 Crack Sensor Node

  • Crack movement
  • Pile separation
  • Structural movement
  • Expansion joint monitoring
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Description

The Crack Sensor Node interfaces to a linear displacement sensor. Its high precision sampling circuit powers the sensor and reports its measurements through Senceive’s wireless communications network to a Gateway.

Key Benifits

  • Waterproof, robust connectors for simple installation
  • Automatic sensor type detection
  • Extremely low noise performance
  • 16-bit resolution (65,536 steps over the full scale)
  • Integrated long life battery
  • 12-15 years’ battery life, including when acting as a relay node within the mesh communications network
  • Integrated temperature sensor
  • One and two channel variants readily available, up to six channels available on request
  • Waterproof to IP66 / IP67 / IP68
  • Firmware is remotely upgradeable over the air via the gateway reducing costly site visits
  • Variety of fixings available for easy installation on site

Specifications

Physical Specifications

Parameter Value
* Approximate values only
Dimensions excluding antenna 90 x 90 x 60 mm

90 x 96 x 60 mm (including vent)

Total Mass 0.5 kg*
Housing Material Die cast aluminium
Protection (BS EN 60529: 1992 + A2: 2013) IP66 / IP67

IP68 at 1m for 24 hours

Includes connectors while unmated

Mounting Options Clearance holes for M4 socket head screw in bottom

M4 blind holes in side

Plates and brackets available for magnetic fixing, track bed, stake and pole mounting, and many other applications

Operating Temperature Range -40°C to +85°C

FlatMesh Radio Specifications

Parameter Value
* Consult with Senceive for your application
Communication Type Proprietary FlatMesh v3 Mesh Networking Protocols

IEEE 802.15.4 compliant

Frequency Band 2400 – 2485 MHz ISM Band
Maximum Transmit Power (EN 300 328 v1.8.1) 6.5dBm
Maximum Permitted Antenna Gain 2.2dBi
Range Up to 300m depending on the environment and fitted antenna *

Crack Sensor Interface

Parameter Value
Circuit Topology Voltage divider
Stimulus 2.5V, 100mA max
Resolution 0.0015% of full scale
Noise Level 0.005% of full scale (typical peak to peak)

Internal Battery

Parameter Value
Battery Type Lithium Thionyl Chloride
Nominal Voltage 3.6V
Nominal Capacity 19000mAh
Typical Battery Life 12-15 years at 20/30 minute reporting intervals, including when acting as a relay node

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