Cope-LLG Catalogue 2018

1376 13. Life Sciences Microbiology/Analysis GENERAL CATALOGUE EDITION 20 E & OE. Counting chamber, Improved Neubauer, bright line Bright line. With double ruling. Calibratable. Same counting grid as the Improved Neubauer cell, but with rhodium coated chamber base. Rulings are engraved into the Rhodium layer and appear bright under normal microscope settings. By altering the contrast it is possible to reverse the image under the microscope to make the rulings appear brighter or darker as required. 1 BRAND Description PK Cat. No. Without snap-on clips 1 9.161 079 1 Counting chamber, Improved Neubauer With double ruling. Calibratable. Cell depth 0.1 mm. Same ruling as Improved Neubauer, but the large square in the centre is divided into 16 squares each with a side length of 0.25 mm. Unlike the more modern Improved Neubauer counting chambers, the counting area of each group square is limited by the outermost of the triple border lines. 2 BRAND Type PK Cat. No. With snap-on clips Without snap-on clips 1 1 7.020 278 9.161 086 2 9.161 086 Counting chamber, Thoma ruling Double ruling. Without snap-on clips. Calibratable. Cell depth 0.1 mm. Grid is the same as the grid in the centre of large square in the Neubauer chamber. The area of the small square is 0.0025 mm². Since the large outer squares are not included, the Thoma system is only used to count thrombocytes and erythrocytes. 3 Type PK Cat. No. Counting chamber, Thoma ruling 1 9.161 080 3 Counting chamber, Fuchs-Rosenthal With double ruling. Without snap-on clips. Calibratable. Cell depth 0.2 mm. Grid has 16 x large 1 mm² squares. Each square is divided into 16 smaller squares each with a side length of 0.25 mm and an area of 0.0625 mm². These counting chambers are commonly used to count cells in cerebrospinal fluid. 4 Type PK Cat. No. Counting chamber, Fuchs-Rosenthal 1 9.161 098 4 Hand tally counter Use for counting blood cells, bacterial colonies, drops of liquid, or any repetitive event. Tallies up to 9999. Features a quick-reset knob, lens window for easy reading, and finger ring for a secure grip. Sturdy, chrome-finished, metal housing. Dimensions: 46 mm diameter x 41 mm W. 5 Description PK Cat. No. Hand tally counter 1 6.237 971 5