9
• pH is displayed on the primary display and temperature on the
secondary one.
• With pH 211 and pH 213 it is also possible to view the mV
reading by pressing the "RANGE" key.
If measurements are taken successively in different samples, it is
recommended to rinse the electrode thoroughly with deionized water
or, if not available, tap water first and then with some of the next
sample to condition the electrode before immersing it in the sample.
The pH reading is affected by temperature. In order for the meter to
measure the pH accurately, temperature must be taken into consid-
eration. To use the Automatic Temperature Compensation feature,
connect and submerge the HI 7669/2W temperature probe into the
sample as close to the electrode as possible and wait for a couple of
minutes.
If the temperature of the sample is known or tests are always
performed at the same temperature you can simply manually
compensate for it. For this purpose the temperature
probe must be disconnected.
The display will then show the default temperature
of 25C or the last recorded temperature reading
with the "C" symbol blinking.
Note the temperature of the sample using a
ChecktempC or an accurate reference thermometer.
The temperature can now be adjusted with the VC and WC keys.
24
ACCESSORIESACCESSORIES
ACCESSORIESACCESSORIES
ACCESSORIES
pH CALIBRATION SOLUTIONS
HI 70004P pH 4.01 Buffer Sachets, 20mL, 25 pcs
HI 70007P pH 7.01 Buffer Sachets, 20mL, 25 pcs
HI 70010P pH 10.01 Buffer Sachets, 20mL, 25 pcs
HI 7004L pH 4.01 Buffer Solution, 460 mL
HI 7006L pH 6.86 Buffer Solution, 460 mL
HI 7007L pH 7.01 Buffer Solution, 460 mL
HI 7009L pH 9.18 Buffer Solution, 460 mL
HI 7010L pH 10.01 Buffer Sol., 460 mL
HI 8004L pH 4.01 Buffer Solution in FDA approved bottle, 460 mL
HI 8006L pH 6.86 Buffer Solution in FDA approved bottle, 460 mL
HI 8007L pH 7.01 Buffer Solution in FDA approved bottle, 460 mL
HI 8009L pH 9.18 Buffer Solution in FDA approved bottle, 460 mL
HI 8010L pH 10.01 Buffer Solution in FDA approved bottle, 460 mL
ELECTRODE STORAGE SOLUTIONS
HI 70300L Storage Solution, 460 mL
HI 80300L Storage Solution in FDA approved bottle, 460 mL
ELECTRODE CLEANING SOLUTIONS
HI 70000P Electrode Rinse Sachets, 20 mL, 25 pcs
HI 7061L General Cleaning Sol., 460 mL
HI 7073L Protein Cleaning Sol., 460mL
HI 7074L Inorganic Cleaning Sol., 460mL
HI 7077L Oil & Fat Cleaning Sol.,460 mL
HI 8061L General Cleaning Solution in FDA approved bottle, 460 mL
HI 8073L Protein Cleaning Solution in FDA approved bottle, 230 mL
HI 8077L Oil & Fat Cleaning Solution in FDA approved bottle,460mL
REFILL ELECTROLYTE SOLUTIONS
HI 7071 3.5M KCl + AgCl Electrolyte, 4x50mL, for single junc-
tion electrodes
HI 7072 1M KNO
3
Electrolyte, 4x50 mL
HI 7082 3.5M KCl Electrolyte, 4x50 mL, for double junction elec-
trodes
HI 8071 3.5M KCl + AgCl Electrolyte in FDA approved bottle,
4x50mL, for single junction electrodes
HI 8072 1M KNO
3
Electrolyte in FDA approved bottle, 4x50 mL
HI 8082 3.5M KCl Electrolyte in FDA approved bottle, 4x50 mL, for
double junction electrodes
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