ENGLISH
ENGLISH
Instructions for the determination of
ozone (DPD)
CHECKIT
®
Disc
Measurement Range Order Code
Ozone (DPD)
0 - 1,0 mg/l O
3
14 62 70
Accuracy:
± 5 % full scale
Tablets
Order Code (per 100 pcs)
DPD No. 4
51 12 20 BT
Ozone (DPD) (DPD No. 4 -tablet)
Fill both cells to the 10 ml mark.
Place one cell in the left-hand compartment of the comparator
as a blank. Add a DPD No. 4 -tablet to the other cell,
close it with a lid.
Swirl until the tablet has dissolved.
Place this second cell in the right-hand compartment of the
comparator.
Match the two colour fields against north day light and
read off the result as mg/l O
3
.
1
2
3
4
55
