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Strain gauge coding system

fig.1

Gauge series Applications
F/UF
WF
QF/ZF/EF
CEF
CF
AW
P
PF
FLM/WFLM
PM
PMF
PMFLS
KM
UBF/BF
GF/LF/PFLW
MF
YEF/YF/YHF
DSF
DD
FAC
SFA
TF
BTM
FGMH
FGAH
FGDH
General purpose
Waterproof construction
High temperature use
Wide range temperature use
Cryogenic temperature use
Weldable strain gauge
Concrete use, Polyester wire gauge
Concrete use, Polyester foil gauge
Concrete use, Metal-backing strain gauge
Concrete use, Embedment type strain gauge
Concrete use, Embedment type strain gauge
Asphalt use, Embedment type strain gauge
Concrete/Asphalt embedment use, strain transducer
Composite material use
Low elastic material use, Plastics/Gypsum/Wood
Magnetic field use
Post-yield strain (Large strain) measurement
High endurance use, Fatigue test
One-side gauge
Crack detection gauge
Stress measurement
Strain gauge type temperature measurement
Bolt axial strain measurement
Friction type Strain Checker
Friction type Axial strain transducer
Friction type Torque transducer
fig.2
Pattern configuration (*1)
L/LA/LK/LX/LG
BX/BY
Single
C/CA/LC/CS/CB 2-axis Rosette (0°/90°)
R/LR/RA/RAS/RS 3-axis Rosette (0°/45°/90°)
XV/YV/BXV/BYV 5-element Single
CV 5-element Rosette (0°/90°)
CT Torque
LT 45° Single

(*1) Not always coded



 

fig.3

Functions (*2) Applicable gauge
A Left 45° QFLT-A
B Right 45°
for shearing strain
measurement
QFLT-B
T Thermocouple Temperature-integrated

(*2) Not indicated for general model

fig.4

Compensation mateiral ppm/°C (*3)
3 Composite material
Ceramic (Si3N4)
CFRP
5 Composite material
Ceramic (SiC)
CFRP
8 Composite material
Glass
Titanium
Titanium alloy (Ti-6Al-4V)
11 Mild steel
Mild steel (0.1~0.2C)
Hard steel (0.4~0.5C)
Cast iron
Hastelloy-276
Inconel 600
Inconel 750
Monel
SUS 630 (17-4PH)
SUS 631 (17-7PH)
Concrete

2.6 - 3.3
3 - 5

4.6
3 - 5

7.9
8.9
8.8

11.8
11.2
10.5
11.2
13.3
12.1
13.5
10.8
10.6
7 - 13
17 Stainless steel/Copper alloy
SUS 304
SUS 310
SUS 316
SUS 321
Copper
Beryllium copper
Brass
Bronze
Constantan
23 Aluminium
Aluminium
Aluminium 2024-T4
Lead and its alloy
Gypsum
Polyimide
28 Magnesium
Magnesium alloy
50 Plastics
Epoxy (Cast)
70 Plastics
Acrylics
ABS
Polyacetal (POM)
Polycarbonate (PC)
Polystyrene (PS)

16.2
15.8
16.0
16.7
16.7
16.6
16.7
17.0
14.9

23.4
23.0
29.0
25.0
20 - 30

27.0

45 - 65

70
74
80
66 - 70
60 - 80

(*3) Indicated only for self-temperature-compensated gauges
For other materials, contact TML or your local representatives.

fig.5

Length of leadwire pre-attached
-002
-005
-1
-3
-5
2cm long
5cm long
1m long
3m long
5m long
Suffi x codes of pre-attached leadwires
Thin and lightweight leadwires
-LE 2-wire polyimide coated leadwire, Direct connection
Applicable temperature ‒269°C~+300°C
Applicable strain gauges series
: F, UF, Q, Z, EF, CEF, CF, P, PF, FLM, UBF, BF, GF, LF,YEF, YF, YHF DSF, FAC
For use in air with room temperature
-L 2-wire paralleled vinyl sheathed leadwire, general purpose
Applicable temperature : ‒20°C~+80°C
Applicable strain gauges series
: F, UF, EF, P, PF, FLM, UBF, BF, GF, LF, YEF, YF, YHF,DSF, FAC, BTM
-LT 3-wire paralleled vinyl sheathed leadwire, general purpose
Applicable temperature : ‒20°C~+80°C
Applicable strain gauges series
: F, UF, EF, P, PF, FLM, UBF, BF, GF, LF, YEF, YF, YHF,DSF, FAC, BTM
-LTSA φ3mm, 3-core shielded vinyl sheathed leadwire
Applicable temperature : ‒20°C~+80°C
Applicable strain gauges series
: F, UF, EF, P, PF, FLM, UBF, BF, GF, BTM
-LQM 4-wire paralleled polypropylene
Applicable temperature : ‒20°C~+100°C
Applicable strain gauges series
: F, UF, EF, P, PF, FLM, UBF, BF, GF, BTM
For use in water with normal temperature
-LRT 3-wire twisted cross-linked vinyl sheathed leadwire
Applicable temperature : ‒20°C~+100°C
Applicable strain gauges series
: F, UF, EF, P, PF, FLM, UBF, BF, GF, BTM
For use in steam with hot water
-LJQTA 3-wire twisted cross-linked polyethylene sheathed leadwire
Applicable temperature : ‒60°C~+125°C
: F, UF, EF, UBF, BF, GF, BTM
For chemical-resistant
-LXT 3-wire paralleled special vinyl sheathed leadwire
Applicable temperature : ‒20°C~+150°C
Applicable strain gauges series
: UF, Q,EF, CEF, CF, UBF, BF
For use in cryogenic and/or high temperature
-6FA-LT 3-wire twisted fl uorinated resin (FEP) sheathed leadwire
Applicable temperature : ‒269°C~+200°C
Applicable strain gauges series
: Q,Z, EF, CEF, CF, UBF, BF
-4FA-LT 3-wire twisted fl uorinated resin (PTFE) sheathed leadwire
Applicable temperature : ‒269°C~+260°C
Also available upto +300°C for short term
Applicable strain gauges series: Z, EF

For further information on leadwires such as electrical resistance, dimensions, etc.


Color code of gauge base for different test specimen

TML strain gauges are almost self-temperature compensated. Series F, UF, CF and WF are self-temperature compensated for the most commonly found material mild steel, stainless steel/copper alloy and aluminium, and are identified with gauge base colors of red, brown and green respectively.

Specimen material Thermal expansion Color of backing Example of type name
Mild steel 11×10-6/°C Red FLA-3-11
Stainless steel
Copper alloy
17×10-6/°C Brown FLA-3-17
Aluminum 23×10-6/°C Green FLA-3-23

Name of each part


Dimensions are indicated in the specification of each gauge. Each gauge pattern indicated in respective column is not in an actual size.

   



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