17
eXact
®
reagent
liquid drops (SPECIAL NOTES)
Acrylic Calibration Stick
6
7
1
Cyanuric Acid
— Shake the bottle vigorously to mix before adding the drops to the sample
2
Fluoride
— The reagent contains acid, a stir bar may be used to mix the reagent.
Acrylic Calibration Stick
(lot 22916) Records:
Date
Tested
Recorded
Value
Comments
The Acrylic Calibration Stick is a tool for verifying the calibration of your eXact
®
Micro 20 Smart
Photometer compared to its original factory settings. Run this test immediately upon receipt and
record value for future reference. Follow steps 2-5 on page 18 (do not use cap during ZERO). Then,
follow the remaining steps below.
DIP STICK AND PRESS READ
Place the Acrylic Calibration Stick into the water sample in
the center of the CELL. Be sure the key is positioned upright
(vertical) and to the bottom of the CELL. Also, the hole in the
handle should face the top and bottom of the Micro 20 (see
image below). Press
to initiate a 20-second countdown.
READ RESULT AND RECORD
Result is displayed on the eXact
®
Micro 20. Record value
on chart below. Expect future test results to be within 0.15
units from previous calibration. If variation is greater, please
re-check your ZERO procedure (steps 2-5) and be sure to use
clean water (deionized or distilled if necessary).
