Products

QF series High temperature use strain gauge

This gauge utilizes polyimide resin as a backing. Strain measurement in high temperature is easily realized by bonding the gauge with room temperature curing adhesive NP-50.

Applicable specimen
Metal,
Ceramics
Backing
polyimide
Operational temperature(°C)
-20~+200°C
Element
Cu-Ni alloy foil
Temperature compensation range(°C)
+10~+100°C
Strain limit
3%
(30000×10-6strain)
Bonding adhesive
NP-50, CN, C-1
Fatigue life at room temperature
1×106
(±1500×10-6strain)

Detailed material

GENERAL USE

Single-element (G.F. 2.1 approx.)

Gauge pattern
Type
Gauge
length
(mm)
Gauge
width
(mm)
Backing
length
(mm)
Backing
width
(mm)
Resistance
(Ω)
QFLG-02-11
QFLG-02-11
0.2
1.4
3.5
2.5
120
QFLG-1-11
QFLA-1-11
1
1.3
5.0
2.5
120
QFLA-2-11
2
1.5
6.5
3
120
QFLA-3-11
3
1.7
8.8
3.5
120
QFLA-5-11
5
1.5
10.0
3
120
QFLA-6-11
6
2.2
12.5
4.3
120
QFLA-1-350-11
1
2.0
5.0
4.0
350
QFLA-2-350-11
2
1.9
6.1
3.5
350
QFLA-3-350-11
3
3.2
8.5
5.0
350
QFLA-6-350-11
6
2.6
12.5
4.5
350
QFLA-6-1000-11
6
4.6
13.5
7.0
1000
QFLK-1-11
QFLK-1-11
1
0.7
4.5
1.4
120
QFLK-2-11
2
0.9
5.5
1.5
120
QFBX-04-11-005LE
Polyimide
5cm pre-attached
QFBX-04-11-005LE
0.4
1.3
5.4
1
120
QFBY-06-11-005LE
Polyimide
5cm pre-attached
QFBY-06-11-005LE
0.6
0.8
5.3
1
120
QFLX-1-11-002LE
Polyimide
2cm pre-attached
QFLX-1-11-002LE
1
1.3
5
2
120

Each package contains 10 gauges.

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90° 2-element Cross (G.F. 2.1 approx.)

Gauge pattern
Type
Gauge
length
(mm)
Gauge
width
(mm)
Backing
length
(mm)
Backing
width
(mm)
Resistance
(Ω)
QFCA-1-11
QFCA-1-11
1
0.7
7.2
7.2
120
QFCA-3-11
3
1.7
11.0
11.0
120
QFCB-2-11
QFCB-2-11
2
1.5
8.2
8.0
120

Each package contains 10 gauges.

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45°/90°3-element Rosette (G.F. 2.1 approx.)

Gauge pattern
Type
Gauge
length
(mm)
Gauge
width
(mm)
Backing
length
(mm)
Backing
width
(mm)
Resistance
(Ω)
QFRA-1-11
QFRA-1-11
1
0.7
7.2
7.2
120
QFRA-3-11
3
1.7
11.0
11.0
120

Each package contains 10 gauges.

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SHEARING STRAIN MEASUREMENT

Single-element(G.F. 2.1 approx.)

Gauge pattern
Type
Gauge
length
(mm)
Gauge
width
(mm)
Backing
length
(mm)
Backing
width
(mm)
Resistance
(Ω)
FLT-1A
QFLT-05A-11-002LE
0.5
0.66
4.0
1.3
120
QFLT-1A-11-002LE
1
1.1
5.7
2.0
120
QFLT-1-350A-11-002LE
1
1.1
5.7
2.0
350
FLT-1B
QFLT-05B-11-002LE
0.5
0.66
4.0
1.3
120
QFLT-1B-11-002LE
1
1.1
5.7
2.0
120
QFLT-1-350B-11-002LE
1
1.1
5.7
2.0
350

Gauge leads -002LE:Polyimide 2cm pre-attached
Each package contains 10 gauges.

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TORQUE MEASUREMENT

Gauge pattern
Type
Gauge
length
(mm)
Gauge
width
(mm)
Backing
length
(mm)
Backing
width
(mm)
Resistance
(Ω)
90°2-element Cross,
Plane type
(G.F. 2.1 approx.)
QFCT-2-11
QFCT-2-11
2
1.5
8.7
6.5
120
QFCT-2-350-11
2
1.7
7.6
5.3
350

Each package contains 10 gauges.

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STRESS CONCENTRATION MEASUREMENT

Gauge pattern
Type
Gauge
length
(mm)
Gauge
width
(mm)
Backing
length
(mm)
Backing
width
(mm)
Resistance
(Ω)
Gauge
leads
gauge
pitch
5-element Single-
X-axis
(G.F.2.1 approx.)
QFXV-1-11-002LE
QFXV-1-11-002LE
1.0
1.3
5.0
12.0
120
Polyimide
2cm pre-attached
2mm
QFBXV-04-11-005LE
QFBXV-04-11-005LE
0.4
1.3
5.4
7.4
120
Polyimide
5cm pre-attached
1mm
5-element Single-
Y-axis
(G.F.2.1 approx.)
QFYV-1-11-002LE
QFYV-1-11-002LE
1.0
1.4
5.0
12.0
120
Polyimide
2cm pre-attached
2mm
QFBYV-06-11-005LE
FBYV-06-11-005LE
0.6
0.8
5.3
7.0
120
Polyimide
5cm pre-attached
1mm

Each package contains 10 gauges.

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Leadwire-integrated QF series (made-to-order)

Operational temperature range varies with different materials of lead wire outer sheath. Before use, be sure the temperature range for lead wire.

Lead wires
Operational
temperature
range
Gauge type
exampled
Colors of Lead wire
2-wire Parallel vinyl wire
-20~+80°C
L:QFLA-1-11-3LJC
Grey
3-wire Parallel vinyl wire
-20~+80°C
LT:QFLA-1-11-3LJCT
Blue stripe
Crosslinked
vinyl sheath wire
-10~+100°C
LJRTA:QFLA-1-11-3LJRTA
Red-Green-Black
3-wire strand
FEP sheath wire
-269~+200°C
6F:QFLA-1-11-6FA-3LT
Red-Green-Blue
(7-core 0.18mm-dia.)
6F:QFLA-1-11-6FB-3LT
Red-Green-Blue
(Single-core 0.2mm-dia.)
* Red is independent wire.

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