Hanna Instruments HI 99104 User manual

S99104 06/04
OPERATION
•Connecttheelectrodetothemeterandremovethe
black protective cap. If necessary, rinse with wa-
ter to remove salt deposits. If the electrode is dry,
beforetakingmeasurements,immerseitinHI70300
storagesolutionforabout30minutestoreactivateit.
• Switch the meter ON, calibrate (see below), then
immersetheelectrodetip(4cm/1.5")intothesample.
Stir gently and wait until the display stabilizes.
• After use, always turn the meter OFF, rinse the
electrodewithwater,cleanitwithHI7061cleaning
solution and store it with a few drops of storage
(HI70300) solution in the black protective cap.
NEVER USE DISTILLED OR DEIONIZED WATER
FOR STORING PURPOSES.
Note: Whenthedisplayfades,replacethebatteries
byopeningthecompartmentonthemetertop.
CALIBRATION
• A weekly calibration is recommended.
• Immerse the meter in pH7 buffer (HI7007), stir
gently, allow the reading to stabilize and adjust
the pH7 trimmer to read "7.01" pH.
• Rinse and immerse the electrode in pH4 (or
pH10) buffer (HI7004 or HI7010), stir gently,
allow the reading to stabilize and adjust the
pH4/10 trimmer to read "4.01" (or "10.01") pH.
• When the meter does not calibrate, replace the
electrode.
SPECIFICATION
Range 0.00to14.00pH
Resolution 0.01pH
Accuracy (@20°C/68°F) ±0.2pH
Environment 0to50°C (32to122°F);
RH95%non-condensing
Power supply 2x1.5V(LR44)batteries;
approx. 1000 hours
Accessories
• HI 1270 pH electrode w/screw connector
• HI 70004P pH 4.01 buffer, 20 mL, 25 pcs.
• HI 70007P pH 7.01 buffer, 20 mL, 25 pcs.
• HI 70010P pH 10.01 buffer, 20 mL, 25 pcs.
• HI 70300M Storagesolution,230mLbottle
• HI 7061M Cleaningsolution, 230mLbottle
Warranty
AllHannaInstrumentsmetersarewarrantedfortwoyearsagainst
defects in workmanship and materials when used for their in-
tendedpurposeandmaintained according to instructions. Probes
are warranted for six months. This warranty is limited to repair or
replacement free of charge. Damage due to accidents, misuse,
tampering or lack of prescribed maintenance are not covered. If
serviceis required, contact the dealer from whom youpurchased
the instrument. 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 number
from the Customer Service department and then send it with
shipping costs prepaid. When shipping any instrument, make
sureitisproperly packaged for complete protection.
For technical service reference and for a complete list
of available accessories, visit www.hannainst.com
HI 99104