Bante932 Benchtop Water Hardness Meter
6
Preparing the Standard Solution (0.1mol/L)
•
To prepare this solution, half fill a 1 liter volumetric flask with distilled water and add 14.7 grams of reagent-grade calcium chloride (CaCl
2
•2H
2
O).
Swirl the flask gently to dissolve the solid and fill to the mark with distilled water. Cap the flask and upend several times to mix the solution.
•
Diluting the above stock solution to desired standard concentrations (at least 2).
Prior to Use
•
Remove the protective cap from the bottom of the water hardness electrode.
•
Soak the electrode in the 0.01mol/L standard solution for at least 30 minutes.
Switching the Meter On and Off
•
Press the
Meas
key to switch on the meter, the display shows the measured value.
•
Press and hold the
Meas
key for 5 seconds, the meter will switch off.
Switching the Measurement Mode
The Bante932 water hardness meter contains the 8 measurment modes. Press the
Mode
key, the display will show corresponding mode icon.
LCD DISPLAY
DESCRIPTION
MEASUREMENT UNIT
Ion concentration
mmol/L
CaCO
3
mg/L
CaO
mg/L
Boiler
mmol/L
Ca
2+
mg/L
French degree
o
fH
German degree
o
dH
English degress
o
e
