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Линейный деформатор из металлической фольги
Линейный деформатор из металлической фольги
Линейный деформатор из металлической фольги
Линейный деформатор из металлической фольги
Линейный деформатор из металлической фольги
Линейный деформатор из металлической фольги
Линейный деформатор из металлической фольги

Линейный деформатор из металлической фольги

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Product Overview

Description


Detailed Images

AA linear Metal foil strain gauge for stress analysis

0.5AA， 1AA,  2AA, 3AA, 5AA, 6AA

100AA~10AA

AA type with Insulated wire

BF350-3AA-(11)-N9-3cm copper lead wire

BF350-3AA-(11)-N9-no lead wire

Inner packing

Outer packing

Product Description

BF series

modified phenolic resin backing, constantan alloy, encapsulated gauges with temperature compensation and creep compensation; high accuracy, good stability , for manufacturing precision transducers (0.02%FS)

BA series

Polyamide resin ,constantan alloy, encapsulated gauges with temperature compensation, high elongation, wider operating temperature range, suitable for stress analysis under 150 ℃ and build in 0 . 0 5 % F S accuracy transducers.

ZF series

Modified phenolic resin backing karma alloy encapsulated gauges with temperature compensation and creep compensation (or modulus compensation) high accuracy good stability, high resistance, small power loss for manufacturing 0.02%FS accuracy transducers.

\t
specification
\t
BF series
\t
BA series
\t
ZF series
\t
nominal resistance(Ω)
\t
350,650,1000
\t
350,650,1000
\t
350,650,1000
\t
tolerance of resistance
\t
<±0.1%
\t
<±0.1%
\t
<±0.1%
\t
gauge factor
\t
2.00~2.20
\t
1.86~2.20
\t
1.86~2.40
\t
gauge factor resistance
\t
<±1%
\t
<±1%
\t
<±1%
\t
strain limit
\t
2.00%
\t
2.00%
\t
2.00%
\t
fatigue life
\t
>10000000
\t
>10000000
\t
>10000000
\t
effective modulus compensation
\t
not available
\t
not available
\t
aluminum(23)
\t
metal foil
\t
constantan alloy
\t
constantan alloy
\t
karma alloy
\t
creep compensation
\t
available
\t
available
\t
available
\t
working temperature range
\t
-30~+80℃
\t
-30~+150℃
\t
-30~+80℃
\t
temperature compensation
\t
titanium(9), steel alloy(11), stainless steel(16), aluminum(23),
\t
curing temperature
\t
135℃(curing process) 165℃(post curing process)
\t
MODEL
\t
GRID DIM/mm L x W
\t
Backing Dia/mm L x W
\t
BF350-1AA(**)
\t
1.0x3.75
\t
4.6x4.7
\t
BF350-1.5AA
\t
1.7x3.85
\t
4.8x4.7
\t
BF350-2AA(**)
\t
2.1x3.4
\t
5.1x4.2
\t
BF350-3AA(**)
\t
3.2x3.1
\t
7.3x4.1
\t
BF350-5AA(**)
\t
5.0x2.9
\t
9.3x3.9
\t
BF350-6AA(**)
\t
6.0x2.9
\t
10.3x3.0
\t
BF1000-1.5AA(**)
\t
1.7x4.2
\t
5.0x5.0
\t
BF1000-3AA(**)
\t
3.15x3.7
\t
6.9x4.6
Past strain gauge

Step 1

Prepare all instrument and Test the

resistance firstly.

Step 2.

Marking the 45°angle’s cross stripes   by the paste direction.

Step 3.

Polish the surface of bonding site by   sandpaper.

Step 4

Wipe the bonding site in a single direction (must not reciprocated wiping) with absorbent cotton that dipping in or acetone till the absorbent cotton become white.

Step 5.

Strongly brush adhesive all over the bonding site and fundus site thin and equably with technical brush.

Step 6.

Cover with Polytetrafluoroethylene sheet, and roll press the strain gauge over the sheet with finger along with the axes direction, press out the protruding adhesive and air bubble.

Step 7.

Welding the lead wire. Be careful that the wire is easy to be connected to the elastomer.

Setp 8.

It must solidify according to the specification of adhesive, and can’t stop power during solidify.

Step 9.

Paste quality inspection
a. Resistance changes after Strain gauge paste;  b. Insulation resistance;
c. Paste position accurate or not

Trust HT Sensor

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