NE29 Whipple Grid Pattern images provided for illustrative purposes only
Pattern

NE29B

Description

Whipple Grid

Key features

Whipple Grid 100 squares in 10mm² area (10x10 Grid), centre square further divided into 5 x 5 grid. 7mm² standard version also available

Basket

Originally designed for water particle analysis, it can be used for other aspects of particle counting. Ratio of full square to smallest is 50:1. Area Ratio is 1200:1

Line Thickness

0.015mm +/-0.003mm & 0.020mm +/-0.003mm CL

Overall Tolerance

+/-0.010mm

Orientation

Correct reading through glass

Glass Type and Thickness

Soda Lime 1.5mm thick

Diameter Tolerance

+0/-0.1mm