Medidores soldáveis (LS31HT/TS81HT)

The LS31HT and TS81HT strain gauge is best suited for applications with elevated temperatures on weldable components, such as mechanical load analysis on buildings and infrastructure.

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LS31HT & TS81HT: Weldable Strain Gauges for Rough Environments and High Temperatures

The LS31HT and TS81HT weldable strain gages are suitable for spot welding to steel structures and materials. They are ideal for use in the field where the cleanliness required for gluing cannot be guaranteed, for example on construction sites or in manufacturing plants, and can withstand adverse conditions. Such conditions would likely damage the adhesive bond of conventional strain gauges. The weldable strain gauges are mounted by a simple spot welding process that requires little practice*. They are fitted with 0.5m stranded connection wires.

Typical applications for LS31HT and TS81HT include the mechanical load analysis on bridges, piles, tunnels, buildings, pipelines, wind power plants, and tanks.

*HBK recommends the C33 spot welding machine from VBS-Fügetechnik AG.

Robust

Comes on a carrier plate covered with silicone rubber to be spot welded

Withstands harsher operating conditions

Simple to install

Easily mounted by simple spot welding method that requires hardly any preparation

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

Accurate results under harsh conditions or environments

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Geometria keyboard_arrow_down

Code	Geometria
1-LS31HT-6/350VE	Linear, Linear
1-TS81HT-6/350VE	T rosette, Roseta em T

LS31 HT/TS81 HT - Folha de dados	Data Sheets	English
LS31 HT/TS81 HT - Folha de dados	Data Sheets	German
LS31 HT, TS81 HT - Manual de operação	Instructions For Use	English, French, German

Certificates and Approvals

Strain Gauges - Declaração de conformidade

Declaration of Conformity

English

Weldable gauges (LS31HT/TS81HT)
Type/technology	Foil strain gauge
Application	Stress Analysis / structural testing
Geometry	Linear, T rosette
Measuring grid length	6 mm
Measuring grid length	0.236 in
Carrier length	40 mm
Carrier length	1.575 in
Carrier width	10 mm
Carrier width	0.394 in
Temperature range	High (up to 350°C)
Nominal resistance	350 Ohms
Gauge factor (measuring grid material)	Cr-Ni alloy (ca. 2.2)
Temperature response	Ferritic steel (10.8 ppm/K; 6.0 ppm/°F)
Maximum elongation	Standard
Fatigue life	Standard
Connection configuration	Fluoropolymer-insulated connection wires
Mounting	Weldable
Grid protection	Covered

List of accessories available for all variants of this family

Product Code	Description
1-ABM75	Massa de gesso c.folha de alumínio ABM75
1-BR120	Revestimento de borracha butílica BR120R
K-KAB-ML	Measurement cable by the meter

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Medidores soldáveis (LS31HT/TS81HT)

LS31HT & TS81HT: Weldable Strain Gauges for Rough Environments and High Temperatures

Robust

Simple to install

Reliable

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