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SlimLine Sensor (SLS), Measurement of Dynamic and Quasistatic Shear Forces,

0 … ±0,9 kN up to 0 … ±8 kN, Type 9143B… up to 9147B…

Calibration

The preloading bolt needed for fitting the sensor forms a force

shunt, i.e. the sensor measures only about 90 % of the entire

force. Accordingly, the exact sensitivity of a sensor can only be

determined after preloading.

The SlimLine sensor is therefore delivered uncalibrated. Its

sensitivity can be determined by calibration only after it has

been fitted.

Z12472-433

b

9143-9146

5.6.97

Kk

Z12472-434

b

9143-9146

5.6.97

Kk

Z12472-435

b

9143-9146

5.6.97

Kk

M

M

Z12472-436

b

9143-9146

5.6.97

Kk

F

F

Installation Examples in Shear Force Plates

Fig. 5: Single-component dynamometer. Measurement of shear forces Fy.

Note: two sensors must be fitted so that they are arranged around

the connector axis.

Fig. 6: Torque dynamometer. The resultant torque M can be calculated by

measuring the shear forces Fy.

Reducation in Measuring Range with Additional Bending Moment for SlimLine Sensors (SLS)

Fig. 4: Bending moment Mb = Fy ∙ h

Basic Type

max. Bending

Reduction of measuring

Moment Mb,zul 1)

range Fy when allowable

(Fz = 0)

bending moment [kN/N·m]

[N·m]

exceeded

9143B…

10,2

0,0456

9144B…

24,0

0,0369

9145B…

30,5

0,0290

9146B…

96,5

0,0231

9147B…

100,0

0,0201

1)

The allowable bending moment Mb,zul must not be exceeded. If this is

unavoidable in the particular application, the measuring range Fy must

be simultaneously reduced as shown in the following example.

Example

A bending moment Mb of 35 N·m acts on a sensor Type 9144B… . What is the magnitude of the maximum measuring range

Fy?

The acting bending moment Mb is 35 N·m – 24 N·m = 11 N·m greater than the allowable value. This reduces the measuring range

Fy from 1,70 kN by 11 N·m x 0,0369 kN/N·m = 0,41 kN to 1,29 kN.