Ref: ST500

Flat screw-in strain sensor - 500 µm/m - IP65

  • Strain gauge extensometer
  • Measuring range: 500 µm/m
  • Calibration: Compression
  • Construction: Aluminum
  • Temperature sensitivity: 0.02%/°C
  • Dimensions: 89mm x 25,4 mm x 6mm;
  • Output signal: 1.5 mV/V
  • Output: 4-wire cable, 6 or 12 m
  • Mounting: 2 M6 screws + glue
  • Operating temperature: -20 / +80 °C
  • Supply voltage: 2-10 VDC

Download the product sheet

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Overview

The ST500 extensometer is designed for high resolution measurement of high forces and deformations of structures, presses, tanks, bridges, frames, etc... The sensor consists of a strain gauge fully wired and then pressurized on a test body through the housing.

The measuring range is 500µm/m. Technically comparable to a direct application of strain gauges on the structure, this extensometer brings a gain in simplicity of implementation and flexibility, while offering a measurement characterized by a high resolution, very low drift effects and an excellent response time.

Mounting and use

The housing is positioned with 4 M6 screws. The surface must be flat and clean before applying the extensometer.

Dimensions

The strain gauge is mounted in 1/4 bridge. The full scale output signal is 1.5 mV/V. The conditioning is done via an external electronics. Strain to force conversion is done by calibration on the application. The operating temperature range is -20 to +70°C. The recommended supply voltage is 5 VDC. The application of 2 extensometers mounted in opposition allows to compensate the deflection.

Packaging and acquisition

The strain gage sensor ST500 is supplied with 2,5 to 10 Vdc. Possibility of obtaining a complete and configured measurement chain by adding a display, conditioner or acquisition module:

Afficheur 9840 GSV-2TSDI GSV-3USB PMI-520AJ GSV-1A GSV-6K GSV-6L MICRA-M
Afficheur numérique haute précision 1 ou 2 voies Afficheur 24 bits avec fonction acquisition Module d'acquisition USB Conditionneur analogique de précision sortie tension ou courant Conditionneur analogique IP66 sortie +/-10v ou 4-20mA ou 12±8mA Conditionneur en ligne sortie +/-10v ou 4-20mA ou 12±8mA Conditionneur PCB miniature sortie +/-10v ou 4-20mA ou 12±8mA Afficheur simple

Applications

  • bridges
  • silo legs
  • Offshore wind farms
  • railway lines, etc.
Type
strain sensor
Measuring Range
500 µm/m
Precision (max error)
1 %
Température de fonctionnement
-20 to 85 °C
Analog output signal
0-10 VDC
Résistance du pont
350 Ω
Tension d'alimentation
10 Vcc
Measurement direction
Traction & Compress.
Housing
Aluminium
Protection Class
IP65
Measuring Range (Force)
⩽ 1 kN, 1 - 100 kN
Application
OEM, low cost, Miniature

  • Wiring
  • Display
  • Specific wiring

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