Dear Customer,
Thank you for choosing a Hanna Instruments
product.
Please read this instruction manual care-
fully before using the instrument. If you need
additional technical information, do not hesi-
This instrument is in compliance with the
directives.
All Hanna Instruments meters are warranted
for two years against defects in workmanship
and materials when used for their intended pur-
pose and maintained according to instructions.
The probes are warranted for a period of
six months.
This warranty is limited to repair or replacement
free of charge. Damage due to accidents, mis-
use, tampering or lack of prescribed maintenance
are not covered.
If service is required, contact the dealer from
whom you purchased the instrument. If under
warranty, report the model number, date of pur-
chase, serial number and the nature of the prob-
lem. 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 Instru-
ments, first obtain a Returned Goods Authoriza-
tion Number from the Customer Service depart-
ment and then send it with shipment costs pre-
paid. When shipping any instrument, make sure it
is properly packaged for complete protection.
All rights are reserved. Reproduction in whole or
in part is prohibited without the written consent of
the copyright owner.
WARRANTY
PRELIMINARY EXAMINATION
Remove the instrument from the packing
material and examine it carefully to make
sure that no damage has occurred during
shipment. If noticeable damage is evident,
notify your dealer.
Note: Save all packing material until you
are sure that the instrument func-
tions correctly. All defective items
must be returned in the original
packing together with the supplied
accessories.
HI 991003 is a portable pH/pH-mV/ORP/
temperature meter, with unique Sensor
Check feature, that allows the user to de-
termine the electrode status at any time.
Main features also include: extended mea-
surement ranges; waterproof and compact
casing; large dual-line LCD; low battery de-
tection; automatic pH calibration at one or
two points with two memorized buffer sets;
selectable temperature unit (°C or °F).
The pH/ORP electrode has a built-in tem-
perature sensor for simultaneous pH (or
mV) and temperature readings, and also
contains a mini amplifier to render mea-
surements impervious to noise and elec-
trical interferences.
Each meter is supplied complete with
• HI 1297D pH/ORP/temperature probe with
DIN connector and 1 m (3.3’) cable
• calibration & cleaning solution sachets
• 3x1.5V AA alkaline batteries
• instruction manual
• rugged carrying case.
GENERAL DESCRIPTION
SPECIFICATIONS
Range (*) -2.00 to 16.00 pH
±825 mV (pH-mV)
±1999 mV (ORP)
-5.0 to 105.0°C / 23.0 to 221.0°F
Resolution 0.01 pH
1 mV
0.1°C / 0.1°F
Accuracy ±0.02 pH
(@20°C/68°F) ±2 mV
±0.5°C up to 60°C; ±1°C outside
±1°F up to 140°F; ±2°F outside
Typical EMC ±0.02 pH
Deviation ±2 mV
±0.2°C or ±0.4°F
Temperature Automatic for pH readings
Compensation
pH Calibration Automatic, 1 or 2 point
with 2 sets of memorized buffers
(pH 4.01/7.01/10.01 or 4.01/6.86/9.18)
mV Calibration Factory calibrated
Probe (included) HI 1297D
amplified pH/ORP/temperature
probe with DIN connector and 1 m (3.3’) cable
Battery Type 3 x 1.5V AA / IEC LR6
Battery Life Approx. 1500 hours
Auto-off After 8 minutes of non-use
Environment 0 to 50°C (32 to 122°F);
RH max 100%
Dimensions
150 x 80 x 36 mm (5.9 x 3.1 x 1.4”)
Weight 210 g (7.4 oz.)
(*)
the temperature range is limited to 80°C (176°F) if
using the HI1296D or HI1297D probes.
To clean the meter, use water only.
HI 1297D Combination amplified pH/
ORP/temperature probe with
DIN and 1 m (3.3’) cable
HI 1296D Combination amplified pH/
temperature probe with DIN
connector and 1 m (3.3’) cable
HI 7004L pH 4.01 buffer solution, 500 mL
HI 7006L pH 6.86 buffer solution, 500 mL
HI 7007L pH 7.01 buffer solution, 500 mL
HI 7009L pH 9.18 buffer solution, 500 mL
HI 7010L pH 10.01 solution, 500 mL
HI 7020L
200/275 mV test solution, 500 mL
HI 70300L Storage solution, 500 mL
HI 7061L Cleaning solution, 500 mL
HI 710007 Blue shockproof rubber boot
HI 710008 Orange shockproof rubber boot
HI 721312 Rugged carrying case
HI 76405 Electrode holder
ACCESSORIES
LCD DESCRIPTION
IST991003R1 07/05
1. Automatic Temperature Compensation
indicator
2. Stability indicator
3. Battery percentage
4. pH calibration indicator
5. Low battery indicator
6. Selectable temperature unit
7. Secondary display
8. Primary display
9. Measuring unit for primary display
www.hannainst.com
Instruction Manual
HI 991003
Portable pH/mV Meter
with Sensor Check
Hanna Instruments reserves the right to
modify the design, construction and appear-
ance of its products without advance notice.
(2 paginas)
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