Sensors and Sensing Systems

MSA-01 Mountable strain array sensor

Type: Multiple-gauge strain sensor

Application: Concrete or grout embeddable, surface mountable

Installation method: Mounting brackets – weldable, screwable

Pre-strain setup: At installation

Temperature compensation: Through external temperature sensor

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Characteristics
  • MSA-01 is a strain array sensor with variable number of FBG sensors (min = 1, max = custom) and various gauge lengths.
  • Effectively replacing numbers of individual sensors with multiple gauges in one-cable-array design.
  • Fully customizable in number of gauges and their individual lengths.
Applications
  • Strain profile in concrete and metal structures Borehole deformation.

3D View
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Controls

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  • Rotate with the left mouse button.
  • Zoom with the scroll button.
  • Adjust camera position with the right mouse button.
  • Double-click to enter the fullscreen mode.
  • On mobile devices swipe to rotate.
  • On mobile devices pinch two fingers together or apart to adjust zoom.
  • On mobile devices 3 finger horizontal swipe performs panning.
Application note

MSA-01 with 1mm outer diameter needs approximately 30N per 1000µε and since the strain transfer is generated directly from the anchor points, a wavelength shift of 1,2pm will result in 1 µε.
The relationship between the length change and wavelength shift is linear, however, we recommend using the equation with coefficients from the calibration sheet.

Product Specification

Performance properties
Strain range
±2500μɛ
Accuracy (guaranteed)1)
<0.5% FS3)
Accuracy (typical)1)
<0.23% FS3)
Precision (guaranteed)2)
<0.25% FS3)
Precision (typical)2)
<0.15% FS3)
Temperature compensation External
Strain sensitivity 1.2pm/µε
Operating Temperature range
-20°C to +60°C
Ingress Protection rating
IP 67
Physical properties
Housing material
Stainless steel SS316 and PE
Anchoring distance
Adjustable parameter
Number of measuring sections4)
Up to 10
Dimensions (without cable)5)
Ø12 mm x L mm [Washer Ø24 mm]
Weight (without cable)
250g
Cable type
3mm Dyneema reinforced cable
Cable length6) 1mtr
Cable Bend Radius (dynamic)
40mm
Cable Bend Radius (static)
30mm
Connector type7)
FC/APC
Mounting method Mounting brackets
Packaging Supplied on reel. Cardboard box with dimensions: 370x360x145mm
Quality Statement All sensors are 100% tested and calibrated at SYLEX The sensor is manufactured according to ISO 9001:2008 and ISO 14001:2004 The sensor is compliant with IEC 61757-1-1:2020 and IEC 61757:2018 .

Notes:

  • 1) Accuracy is established for each individual sensor under laboratory conditions and it includes hysteresis, non-linearity and repeatability of the sensor.
  • 2) Precision is established on a batch basis and it includes hysteresis, non-linearity, repeatability and reproducibility of the sensor.
  • 3) FS: full scale range
  • 4) Number of measuring sections depends on customer’s requirement
  • 5) For further dimensions details see the product drawing
  • 6) Cable length is extendable on request
  • 7) Other connector types available on request

Related products

WCP-01 is a IP67 watertight connector protection for FC/APC connectors

Type: Mounting bracket

Installation: Glue, screw, spot welding

Material: Stainless steel

LCP-03 is an optional product modification for extending sensors cable lengths.

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