It is a transparency meter with a depth of 100 cm. Put the water test in the fluorometer, look from above, open the cock to drain the water test, and read the scale when you can see the double cross on the sign plate at the bottom.
Depth (mm): 1000
As ONE Part Number: 61-3376-10
This product is manufactured in Japanese standards.
Some products may not meet the standards of your item.
Please check the specification carefully before you order.