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OMEGA/HBM Strain Gauges | High Temperature and Resistance to Alternating Loads

HBM-M-Series

High temperature strain gauges | HBM-M-Series

High temperature strain gauges

Se Alt Models Below

  • High Resistance to Alternating Loads
  • High Temperature Range 300°C
  • Wide Range of Different Grid Sizes and Patterns
Belastningsmålere, tilbehør og instrumenter - Vis relaterede produkter

Beskrivelse

M Series strain gauges have been specially developed for high resistance to alternating loads at increased strain levels and high temperatures up to 300°C. They are foil strain gauges with measuring grids made of a special nickel-chromium alloy. OMEGA/HBM offer this special strain gauge with various geometries, measuring grid lengths and temperature response matching.

New materials offering high strength such as fibre composites pose a major challenge for strain gauges used for measurements specifically when pushing components to their mechanical limit of performance. Situations may arise where a strain gauge subjected to alternating loads at increased load levels is weakened and fails earlier than the component under test. The M Series has been specially developed for high resistance to alternating loads and allows for testing of materials featuring high strength.

All M Series strain gauge types are available with different measuring grid lengths:
    • 1.5 mm: where space is a constraint or when highly selective measurement results are required
    • 3 mm: for inhomogeneous materials and where space is a requirement or not
    • 6 mm: for inhomogeneous materials and where space is not a requirement

The right measuring grid length: The measuring grid length depends on the aim of measurement, since the result of a measurement with strain gauges will be determined as the average of strains. In general, measuring grid lengths of 3 to 6 mm generates a better result.

Long measuring grids are recommended where there is an inhomogeneous material such as concrete or wood. A long strain gauge will bridge the inhomogeneity of the work piece and return the strain underneath the measuring grid as the measurement result.

Short measuring grids are suitable for detecting a local strain state. Therefore, they are suitable for determining strain gradients, the maximum point of notch stresses and similar stresses.

Specifications
Strain Gauge Construction–Foil Strain Gauge
Carrier:
    Material:
Glass fibre reinforced phenolic
    Thickness: 35 ±10 µm
Grid Foil:
    Material: CrNi
    Thickness: 5 µm
Encapsulation:
    Material: Polyimide film
    Thickness: 25 ±5 µm
Connections: Solder pads with strain relief
Resistance: 350 and 1000 Ω
Resistance Tolerance: ±0.3%(1)
Gauge Factor: Approximate 2.2 (specified on each package)
Gauge Factor Tolerance: ±1.5% (for grid length <3 mm) ±0.7% (for grid length ≥3 mm)
Temperature Coefficient of the Gage Factor: Specified on each package
Transverse Sensitivity: Specified on each package
Operating Temperature Range: -200 to 300°C (-328 to 662°F)
Temperature Response (Ferrite Steel): 10.8 ppm/K (6.0 ppm/°F)
Maximum Elongation:
    Positive Direction: 10,000 µm (1%)
    Negative Direction: 15,000 µm (-1.5%)
Minimum Bending Radius: 5 mm for linear gauges 10 mm for stacked rosettes
Bonding Material that Can Be Used(3): Z70 or EP310S
Fatigue Life (Test to Failure(2))
    107 cycles at 2000 µm/m
    106 cycles at 2200 µm/m
    104 cycles at 3100 µm/m
Til bestilling(Angiv modelnummer)
Vare nummer/Desc.
Antal 
Beskrivelse
For dimensions refer to "To Order" table in pdf Specs
All models below are 350Ω Nominal Resistance
LM1: Linear strain gauge with one measurement grid measuring strain in one direction
Quick Ship
1-LM11-1.5/350GE
DKK1.200,00
Beholdning: 13 uger 
 
10 pack, 1.5 mm long grid, Voltage 7
Quick Ship
1-LM11-3/350GE
DKK1.200,00
Beholdning: 13 uger 
 
10 pack, 3 mm long grid, Voltage 11
Quick Ship
1-LM11-6/350GE
DKK1.235,00
Beholdning: 13 uger 
 
10 pack, 6 mm long grid, Voltage 16
TM1: T rosette with two measurement grids, offset by 90° measuring tension and compression
Quick Ship
1-TM11-1.5/350GE
DKK1.410,00
Beholdning: 13 uger 
 
5 pack, 1.5 mm long grid, Voltage 7
Quick Ship
1-TM11-3/350GE
DKK1.410,00
Beholdning: 13 uger 
 
5 pack, 3 mm long grid, Voltage 11
Quick Ship
1-TM11-6/350GE
DKK1.450,00
Beholdning: 13 uger 
 
5 pack, 6 mm long grid, Voltage 22
TM9: Stacked T rosette with two measurement grids, offset by 90° measuring tension and compression
Quick Ship
1-TM91-1.5/350GE
DKK1.870,00
Beholdning: På lager
 
5 pack, 1.5 mm long grid, Voltage 5.8
Quick Ship
1-TM91-3/350GE
DKK1.870,00
Beholdning: 1 uge 
 
5 pack, 3 mm long grid, Voltage 10
Quick Ship
1-TM91-6/350GE
DKK1.905,00
Beholdning: 13 uger 
 
5 pack, 6 mm long grid, Voltage 14
XM4: V-shaped strain gauge with two measurement grids, arranged at ±45° to the axis determination of shear stresses
Quick Ship
1-XM41-1.5/350GE
DKK1.520,00
Beholdning: 13 uger 
 
5 pack, 1.5 mm long grid, Voltage 5.4
Quick Ship
1-XM41-3/350GE
DKK1.555,00
Beholdning: På lager
 
5 pack, 3 mm long grid, Voltage 10
Quick Ship
1-XM41-6/350GE
DKK1.590,00
Beholdning: 13 uger 
 
5 pack, 6 mm long grid, Voltage 17
RM8: Rectangular strain gauge rosette with three measurement grids at 0°/45°/90° biaxial stress state with unknown principal stress direction
Quick Ship
1-RM81-1.5/350GE
DKK1.870,00
Beholdning: 1 uge 
 
5 pack, 1.5 mm long grid, Voltage 7
Quick Ship
1-RM81-3/350GE
DKK1.870,00
Beholdning: 13 uger 
 
5 pack, 3 mm long grid, Voltage 11
Quick Ship
1-RM81-6/350GE
DKK1.905,00
Beholdning: 1 uge 
 
5 pack, 6 mm long grid, Voltage 16
RM9: Stacked strain gauge rosette with three measurement grids at 0°/45°/90° biaxial stress state with unknown principal stress direction
Quick Ship
1-RM91-1.5/350GE
DKK2.295,00
Beholdning: 1 uge 
 
5 pack, 1.5 mm long grid, Voltage 5.3
Quick Ship
1-RM91-3/350GE
DKK2.295,00
Beholdning: 1 uge 
 
5 pack, 3 mm long grid, Voltage 9.3
Quick Ship
1-RM91-6/350GE
DKK2.330,00
Beholdning: 13 uger 
 
5 pack, 6 mm long grid, Voltage 13
Note: Maximum permitted effective excitation voltage specified for steel material.
All amounts shown in DKK

Delnummerberegner

Build Your Part Number Below
Beskrivelse af tilvalg:


(1) Geometries select from:
LM1 for Linear strain gauge with one measurement grid
TM1 for Stacked T rosette with two measurement grids
XM4 for V-shaped strain gauge with two measurement grids
RM8 for Rectangular strain gauge rosette with three measurement grids
RM9 for Stacked strain gauge rosette with three measurement grids

(2) Measurement Grid Length select from:
1.5 for 1.5 mm long
3 for 3 mm long
6 for 6 mm long
Noter: Ikke alle kombinationer er nødvendigvis gyldige. Se specifikationerne for gyldige delnumre.

Produkthåndbøger:

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