User Manual

HI98103
pH Tester
INSTRUCTION MANUAL
Before using Hanna Instruments products, make sure that they are entirely
suitable for your specific application and for the environment in which
they are used. Operation of these instruments may cause unacceptable
interferences to other electronic equipment, thus requiring the operator
to take all necessary steps to correct such interferences. Any variation
introduced by the user to the supplied equipment may degrade the
instrument’s EMC performance. To avoid damages or burns, do not put the
instrument in microwave oven. For yours and the instrument safety do not
use or store the instrument in hazardous environments.
Warranty
The meter is warranted for a period of one year against defects in
workmanship and materials when used for their intended purpose and
maintained according to instructions. The electrode is warranted for a
period of six months. This warranty is limited to repair or replacement free
of charge. Damage due to accidents, misuse, tampering or lack of prescribed
maintenance is not covered. If service is required, contact your local Hanna
Instruments Office. If under warranty, report the model number, date of
purchase, serial number and the nature of the problem. If the repair is
not covered by the warranty, you will be notified of the charges incurred.
If the instrument is to be returned to Hanna Instruments, first obtain a
Returned Goods Authorization (RGA) number from the Technical Service
department and then send it with shipping costs prepaid. When shipping
any instrument, make sure it is properly packaged for complete protection.
Recommendations for Users
All rights are reserved. Reproduction in whole or in part is prohibited
without the written consent of the copyright owner, Hanna Instruments
Inc., Woonsocket, Rhode Island, 02895, USA.
IST98103N 11/16
To obtain the highest accuracy for measurements it is important to follow
these tips:
• Calibration is only as good as the buffer being used. The pH buffer values
change over time once the sachets are opened. Fresh buffer should be
used for each calibration.
• The probe should be rinsed with purified water each time before placing in
buffer or sample to be tested.
• When the meter is not in use it is important to add several drops of storage
solution to the protective cap to keep the probe hydrated. If storage
solution is not available, pH 4.01 or pH 7.01 buffer can be used.
• For improved accuracy it is recommended to calibrate to a minimum of two
points. It is important to use buffers that bracket the expected value of the
sample to be tested. For example, if the expected value is pH 8, the meter
should be calibrated using pH 7.01 and pH 10.01 buffers.
• It is important to calibrate and measure samples at the same temperature.
A dramatic change in temperature between buffer solutions and samples
to be tested will give inaccurate readings.
Care and Maintenance
To change the CR2032 Li-ion battery, turn the battery cover located on the
back of the meter counterclockwise to unlock. Remove cover and replace
with + side facing up.
Note: Batteries should only be replaced in a safe area using the battery
type specified in this instruction manual. Old batteries should be
disposed in accordance with local regulations.
The Checker
®
features a low
battery indicator. When the battery
is running low, the tag will blink
on screen. When the battery has
been depleted, “Erb” will appear on
screen and the meter will turn off.
Place meter in calibration mode.
Press and hold ON/OFF until “CLr”
is displayed. The meter will now be
at default calibration. No tags will
be shown in measurement mode
until calibration is performed.
In calibration mode, if the meter
displays an “Err” message
when in the correct fresh buffer
solution then the probe should be
cleaned. Place the probe in the
HI700601 cleaning solution for
15 minutes. Rinse with purified
water and place in storage solution
for 1 hour before calibrating. If the
“Err” message persists then the
HI1271 probe should be replaced.
Clear Calibration
“Err” Message
Battery Indicator
Battery Replacement
From measurement mode, press and
hold the ON/OFF button. The meter
will cycle through “OFF,” “CAL,”
then current auto-off setting.
The default setting is 8 minutes
(“d08”). Press ON/OFF button to
change. “d60” is auto-off after
60 minutes, and “d--” disables
the auto-off feature. Press and
hold the button to exit the menu.
Auto-off
Electrode Storage Solution
Code Description
HI70300L electrode storage solution, 500 mL bottle
HI70300M electrode storage solution, 230 mL bottle
Electrode Cleaning Solution
Code Description
HI700601P
general purpose cleaning solution,
20 mL sachets (25 pcs.)
Electrode
Code Description
HI1271 pH electrode for Checker
pH Buffer Solution
Code Description
HI70004P pH 4.01 buffer solution, 20 mL sachets (25 pcs.)
HI70007P pH 7.01 buffer solution, 20 mL sachets (25 pcs.)
HI70010P pH 10.01 buffer solution, 20 mL sachets (25 pcs.)
HI77400P
pH 4.01 & 7.01 buffer solution, 20 mL sachets
(10 pcs., 5 ea.)
HI770710P
pH 10.01 & 7.01 buffer solution, 20 mL sachets
(10 pcs., 5 ea.)
Accessories