SMA Physics • Class XI Physics

Screw Gauge: Wire Diameter & Sheet Thickness Measurement

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Screw Gauge Assembly: Frame, Anvil, Spindle, Sleeve & Ratchet Ratchet Free
Thimble & Pitch Scale Loupe (Magnified Readout) Coinciding CSD: n = 0
Pitch Scale (PSR)
0.0 mm
HSR (n × LC)
0.000 mm
Observed Total
0.000 mm
Corrected True
0.000 mm
Least Count Configuration: $\text{LC} = \frac{\text{Pitch}}{N}$ LC = 0.010 mm (0.001 cm)
Screw Pitch:
Circular Scale Divs ($N$):
Specimen / Measurement Target Thin Wire (Pos 1)
Zero Error Calibration ($\pm e$) e = 0.000 mm (Nil)
Spindle Gap Opening ($d$) 0.000 mm
Observation Table
# Specimen PSR (mm) CSD ($n$) HSR (mm) Observed Corrected
No records logged yet. Fit studs and click '+ Log Reading'.
Cross-Section & Volume: Area A = π (D/2)²
Evaluated Dimension: -- mm²