This gauge has a polyimide carrier backing for excellent performance at high temperatures. It offers a small gauge length of 0.2 or 0.4mm, for use as a stress concentration measurement gauge or shear stress measurement gauge.

Datasheet: QF series High temperature use strain gauge

Main Test Materials Metal, ceramics Materials Backing Polyimide
Operating Temperature -20 to +200°C Materials Element Cu-Ni alloy foil
Compensation range +10 to +100°C Strain limit 3%
(30000×10-6)
Bonding adhesive NP-50
CN,C-1
Fatigue life at room temp. 1×106
(±1500×10-6)

 

Stress Concentration Measurement | Torque Measurement | Shearing Strain Measurement

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 0.2 1.4 3.5 2.5 120

2-wire Polyimide leadwire attached 5cm long
QFBX-04-11-005LE 0.4 1.3 5.4 1 120

2-wire Polyimide leadwire attached 5cm long
QFBY-06-11-005LE 0.6 0.8 5.3 1 120

2-wire Polyimide leadwire attached 2cm long
QFLX-1-11-002LE 1 1.3 5 2 120
QFLK-1-11 1 0.7 4.5 1.4 120
QFLK-2-11 2 0.9 5.5 1.5 120
QFLA-1-11 1 1.3 5 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 3 120
QFLA-6-11 6 2.2 12.5 4.3 120
QFLA-1-350-11 1 2 5 4 350
QFLA-2-350-11 2 1.9 6.1 3.5 350
QFLA-3-350-11 3 3.2 8.5 5 350
QFLA-6-350-11 6 2.6 12.5 4.5 350
QFLA-6-1000-11 6 4.6 13.5 7 1000

 

- 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 1 1.3 7.2 7.2 120
QFCA-3-11 3 1.7 11 11 120
QFCB-2-11 2 1.5 8.2 8 120

 

- 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 1 1.3 7.2 7.2 120
QFRA-3-11 3 1.7 11 11 120