LS31HT: Weldable Strain Gauge for Rough Environments and High Temperatures

The LS31HT is a weldable strain gauge to be spot welded to steel structures and materials. It is ideal to be used "on site", when the cleanliness required for gluing cannot be guaranteed, for example on construction sites or in production plants, withstanding hazardous conditions. Such conditions would likely damage the adhesive bond of conventional strain gauges. The LS31 strain gauge is mounted by a simple spot welding process that requires little practice. It is fitted with 0.5-mm stranded connection wires. 

Typical applications for LS31HT include the mechanical load analysis on bridges, piles, tunnels, buildings, pipelines, wind power plants, and tanks. 

Robust

  • Comes on a carrier plate covered with red silicone rubber to be spot welded
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Withstands harsher operating conditions

Simple to install

  • Easily mounted by simple spot welding method that requires hardly any preparation
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Long service life with a permanent attachment to the structure

Reliable

  • Withstands elevated temperatures from -50°C up to +250°C (short time 300°C). 
  • 4-wire configuration
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Accurate results under harsh conditions or environments

 

 

 

 

Dimensions [mm/inch]

 
 

Ordering
number

Nominal
(rated)
resistance

Measuring
grid
width

Carrier

 

 Vmax

   

Ω

b

c

d

 
 

1-LS31HT-6/350VE

HBMshop

350

2.8
0.11

40
1.575

10
0.394

15

Welding of strain gauges video

 
LS31HT Strain Gauge - Typical Applications
Typical applications for the LS31HT strain gauge

Product Literature

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