Metric & English [Model 301]

Stainless Steel Rulers >Rulers > Metric & English [Model 301]

Metric & English

SKU: Model-301

FRONT SIDE: Top edge 1/2 mm, mm. Bottom edge 1/16ths, 1/32nds, 1/64ths..


REVERSE SIDE: Conversion Table inches to mm


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MATERIAL:

THICKNESS:

RANGE:

LEASTCOUNT:

FINISH:

FEATURES:
Kristeel Rulers are made from Imported Stainless steel. Each rulers’ graduations are permanently etched and filled black ink. Each Rule is grounded on both edges and maintained parallelism / straightness. Each Rules Zero edge is ground. Each Rule is checked in process and final in QA by LMSD measuring device.
Each Rule is packed in PVC pouch.

SPECIFICATION:

Model No. Length Width Thickness
301 A 5 150mm/6 in 15mm 0.5mm
301 C 5 300mm/12 in 25mm 0.5mm
301 C 8 300mm/12 in 25mm 0.8mm
301 C 10 300mm/12 in 25mm 1.0mm
301 E 10 600mm/24 in 30mm 1.0mm
301 E 12 600mm/24 in 30mm 1.2mm

KRISTEEL Make rulers graduated length tolerances +/- mm

SCALE SIZE mm EEC CLASS-I EEC CLASS-II EEC CLASS-III BRITISH STD. DIN STD. EUROPEAN STD. IS:2102 (MED) STD.
150 0.2 0.5 1 0.1 0.4 0.25 0.5
300 0.2 0.5 1 0.1 0.4 0.25 0.5
500 0.2 0.5 1 0.2 0.58 0.4 0.8
1000 0.2 0.5 1 0.25 0.8 0.5 0.8
1500 0.3 0.7 1.4 0.3 1 0.6 1.2
2000 0.3 0.7 1.4 0.4 1.2 0.7 1.2
3000 0.4 0.9 1.8 0.9 2

For EEC std tolerance formula= (a + b L)

L is the length in question rounded up to the next whole meter above. a & b are co-efficient fixed for each class of Accuracy as per below table

Class a b
I 0.1 0.1
II 0.3 0.2
III 0.6 0.4

explanation-image

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