Hanna Instruments C 99 series - Page 71

71
Total Hardness HR
• Add 2 drops of HI 93735B Buffer reagent.
• Replace the cap, shake
gently to mix and wait
for 15 seconds.
• Place the cuvet into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
• Press ZERO and "SIP" will blink on the display.
• Wait for a few seconds and the display will
show "-0.0-". Now the meter is zeroed and
ready for measurement.
• Remove the cuvet and add the content of 1 packet
of HI 93735C Fixing reagent.
• Replace the cap and
shake gently till
dissolution is complete.
• Place the cuvet into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
x 2