Transversal Extensometers Measurement of Small Extensions MFQ_H+R
The MFQ-H and MFQ-R manual transversal extensometers are designed for checking thin plates (MFQ-H: R-value determination (vertical anisotropy) or round samples, respectively (MFQ-R: Poisson value determination).
While the MFQ-R is infinitely variable for each diameter of the samples, the MFQ-H is equipped with fixed supports B0 for fixed initial width of metal sheets. The stops are quick and easy to change without tools. MFQ-H and MFQ-R are both available with two measuring points (parallel switching for average value determination) as well as with a single measuring point.
TECHNICAL DATA OF THE EXTENSOMETERS MFQ – H MFQ – R
Accuracy class EN ISO 9513 (Both) 0.2
Measurement principle (Both) DMS-full bridge
Nominal measuring range (standard) (Both) 4 mm
Indication error (rel.)* (Both) 0.2%
Indication error* (Both) 0.6 μm
Sensitivity (Both) 2 mV/V
Max Voltage input (Both) 14 V
Sample / test tube thickness (Both) 0.4 – 30 mm
Dimensional tolerance of the sample B0 (Both) ± 0.3 mm
Force pressure measuring pins (Both) 4 N (2 N)
Standard temperature range (Both) +1 °C to + 60 °C
Type for temperature testing chamber (Both) +1 °C to + 200 °C
Sample / test tube widths (fixed) 1 3, 20, 25, 30 mm
Sample cross section:
– Diameter 4-25mm (4-50mm optional)
– Thickness x Width 0.4 x 4 up to 30 x 25 (30 x 50 mm optional)
Net weights:
– With 1 measuring head 100 g
– With 2 heads measurement (Both) 180 g
The measurement accuracy corresponds to accuracy class 0.5 according to EN ISO 9513
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