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Table of Contents
Using the Product Correctly and Safely ............................................4
Calibration of the LD-5/LD-5R Digital Dust Indicator .......................4
1 Overview .........................................................................................5
2 Operating procedure ......................................................................6
2-1 LD-5 .........................................................................................7
(1) Attachment of PM2.5 cyclone ............................................................. 7
(2) Switch the LD-5 power ON ................................................................. 8
(3) Background (BG) Measurement ......................................................... 9
(4) Sensitivity Correction ........................................................................ 10
(5) Dust measurement ........................................................................... 10
(6) Switch the LD-5 power OFF ............................................................. 11
2-1 LD-5R ..................................................................................... 12
(1) Attachment of PM2.5 cyclone ........................................................... 12
(2) Switch the LD-5R power ON ............................................................. 13
(3) Background (BG) Measurement ....................................................... 14
(4) Sensitivity Correction ........................................................................ 15
(5) Dust measurement ........................................................................... 16
(6) Switch the LD-5R power OFF ........................................................... 17
3 Cleaning of PM2.5 cyclone .......................................................... 18
4 Specifications ............................................................................... 19
5 Warranty ........................................................................................ 19