Hanna Instruments HI 83213-2008 - Manual (Page 35)

35 Color of Water
COLOR OF WATER
SPECIFICATIONS
Range 0 to 500 PCU (Platinum Cobalt Units)
Resolution 1 PCU
Accuracy ±10 PCU ±5% of reading at 25 °C
Typical EMC ± 1 PCU
Deviation
Light Source
Tungsten lamp with narrow band interference filter @ 420 nm
Method Adaptation of the Standard Methods for the Examination of Water and Wastewater,
18 th edition, Colorimetric Platinum Cobalt method.
REQUIRED ACCESSORIES
0.45 μm membrane for true color measurement.
For other accessories see page 72.
MEASUREMENT PROCEDURE
• Select the Color of Water method using the procedure described in
the Method Selection section (see page 12).
• Fill one cuvette up to the mark with deionized water and replace
the cap. This is the blank.
• Place the blank (# 1) into the holder and close the lid.
• Press the Zero key. The meter will show “-0.0-” when the meter is zeroed and ready for measurement.
• Remove the blank.
# 1
# 1
10 mL