Operation
• Fitting the battery (2 x AAA (1.5 V)
Change the batteries with this display
indication. Check position of the O-Ring
when opening/ closing the battery chamber lid!
Turn the unit on using the ON/OFF key.
The display shows: "0". Make one Zero for all the
methods:
Swirl the instrument several times under the
water surface allowing the sample chamber
to completely fill. Take the instrument out of the
water.
Close the blue lid tightly.
Press the ZERO/TEST key. "000" flashes for
approx. 8 seconds. The display shows "0.0.0".
Select the test required using the MODE key:
Cl (free Chlorine/ total Chlorine) → pH → TA →
CyA → Cl ... (Scroll).
Open the blue lid and add the appropriate tablet
6
straight from the foil.
Method
Cl
: Free chlorine DPD No.1
Cl
: Total chlorine DPD No.1 + DPD No.3
pH : pH Value
CyA : Stabilizer
TA
: Alkalinity-M
{ Crush the tablet using a clean stirring rod.
Stir until the tablet is dissolved.
| Close the lid and swirl the instrument gently
for approx. 15 seconds.
} Afterwards keep the instrument steady and wait
for 15 seconds when testing ClF/pH/CyA and
2 minutes when testing Clt and TA.
4
Required Reagent(s)
PHENOL RED PHOTOMETER
CyA-Test
ALKA-M-PHOTOMETER
GB