42
• Press the
Zero
key. The display will show “
-0.0-
” when the meter is zeroed and ready for
measurement.
• Remove the cuvette and add the content of one packet of
HI 93750B-0 reagent. Replace the cap and gently mix for
one minute by slowly turning the cuvette upside down.
• Reinsert the cuvette into the instrument.
• Press
Timer
and the display will show the countdown prior to the measurement or, alternatively, wait
for 2 minutes and press
Read
. When the timer ends the meter will perform the reading. The instrument
displays the results in
mg/L (ppm) of potasium (K)
.
• Press
or
to access the second level functions.
• Press the
Chem Frm
key to convert the result in mg/L of potassium oxide (K
2
O)
• Press
or
to return to the measurement screen.
• For ULTRA HIGH RANGE samples: follow the procedure described at page 43.
Potassium HR