LaMotte 1200 Colorimeter - Manual (Page 20)

ANALYSIS PROCEDURE
20
Fill the Water
Sample Collecting
Bottle (0688) with
sample water. This
will be used to
dispense sample
water for the tests.
Push the
button to turn the
meter on. Press the
button and
hold it for 2 seconds
until
is
displayed. Release
the button to take a
zero reading (0
ppm).
READ
ZERO
bla
Rinse and fill a
colorimeter tube
(0290) to the 10
mL line with
sample water.
Cap and wipe
dry.
7. 8.
5.
3.
1. 2.
4.
6.
React a sample
following the
individual test
procedure.
Wipe the tube clean with a
lint-free cloth.
Insert the tube
into the
chamber, being
sure to align the
index line with
the arrow on
the meter.
Close the lid.
This tube is the
blank or zero.
Insert the tube
into the
chamber, being
sure to align the
index line with
the arrow on
the meter.
Close the lid.
Push the
button. The
concentration in
ppm will be
displayed within
2 seconds.
READ
I200
••••••••••••••••••
ZERO
COLORIMETER
READ
2.55
I200
••••••••••••••••••
ZERO
COLORIMETER
READ
bla