Hanna Instruments Inc.
Highland Industrial Park
584 Park East Drive
Woonsocket, RI 02895 USA
Technical Support for
Customers
Tel. (800) 426 6287
Fax (401) 765 7575
Local Sales and Customer Service Office
Instruction Manual
HI 8424
Portable pH/mV/°C Meter
Printed in EUROPE |
MAN8424W R2 09/10 |
w w w. h a n n a i n s t . c o m |
(ROMANIA) |
Dear Customer,
Thank you for choosing a HANNA instruments® product.
Please read this instruction manual carefully before using the instrument.
This manual will provide you with the necessary information for correct use of the instrument, as well as a precise idea of its versatility.
If you need additional technical information, do not hesitate to e-mail us at tech@hannainst.com or see the back cover for our worldwide contact list.
WARRANTY
HI 8424 is guaranteed for two years against defects in workmanship and materials when used for its intended purpose and maintained according to instructions. Electrodes and probes are guaranteed 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 is not covered. If service is required, contact the dealer from whom you purchased 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 instruments are to be returned to Hanna Instruments, first obtain a Returned Goods Authorization number from the Technical Service department and then send it with shipping costs prepaid. When shipping any instrument, make sure it is properly packed for complete protection.
TABLE OF CONTENTS
PRELIMINARY EXAMINATION ....................................................................... |
3 |
GENERAL DESCRIPTION ............................................................................... |
3 |
FUNCTIONAL DESCRIPTION ......................................................................... |
4 |
SPECIFICATIONS ......................................................................................... |
5 |
OPERATIONAL GUIDE .................................................................................. |
6 |
pH CALIBRATION ....................................................................................... |
9 |
pH BUFFER TEMPERATURE DEPENDENCE ..................................................... |
11 |
MENU SELECTION ..................................................................................... |
12 |
mV CALIBRATION ..................................................................................... |
13 |
TEMPERATURE CALIBRATION ..................................................................... |
13 |
BATTERY REPLACEMENT ............................................................................. |
14 |
LCD MESSAGES AND TROUBLESHOOTING ................................................... |
15 |
ELECTRODE CONDITIONING & MAINTENANCE .............................................. |
17 |
ACCESSORIES ........................................................................................... |
19 |
pH ELECTRODE APPLICATION REFERENCE GUIDE .......................................... |
25 |
2 |
|
All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner.
Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice.
27
RECOMMENDATIONS FOR USERS
Before using this product, make sure that it is entirely suitable for the environment in which it is used. Operation of this instrument in residential areas could cause unacceptable interferences to radio and TV equipment, requiring the operator to follow all necessary steps to correct interferences.
The glass bulb at the end of the pH electrode is sensitive to electrostatic discharges. Avoid touching this glass bulb at all times. During operation, ESD wrist straps should be worn to avoid possible damage to the electrode by electrostatic discharges.
Any variation introduced by the user to the supplied equipment may degrade the instrument’s EMC performance.
To avoid electrical shock, do not use this instrument when voltages at the measurement surface exceed 24 Vac or 60 Vdc.
To avoid damage or burns, do not perform any measurement in microwave ovens.
PRELIMINAR Y EXAMINATION
Remove the instrument from the packing material and examine it carefully to make sure that no damage has occurred during shipment. If there is any damage, immediately notify your dealer.
The meter is supplied complete with:
•HI 1230B pH electrode
•HI 7662 temperature probe
•pH 4.01 & pH 7.01 buffer solutions, 20 mL each
•HI 700661 cleaning solution, 20 mL sachet (2 pcs)
•9V battery
•Instruction manual
Note: Save all packing material until you are sure that the instrument functions correctly. Any defective items must be returned in the original packing with the supplied accessories.
GENERA L DESCRIPTION
HI 8424 is a portable microprocessor-based pH/mV/temperature meter.
It features an enhanced user interface, rainproof casing, battery percentage indication, low battery detection, automatic shut-off, automatic calibration and error codes to guide the user in calibration and troubleshooting.
The pH calibration procedure automatically recognizes three memorized buffer values: pH 4.01, 7.01 and 10.01.
This instrument can also measure ORP. The resolution automatically switches from 0.1 mV to 1 mV when readings exceed ±699.9 mV.
The user can set the following parameters by entering the setup mode through the keyboard:
•enabling or disabling the auto-off feature
•enabling or disabling the acoustic signal
•selecting the temperature unit, °C or °F
26 |
3 |
FUNCTIONA L DESCRIPTION
1)BNC connector for pH or ORP electrodes
2)Liquid Crystal Display (LCD)
3)RANGE key, to select pH, mV or temperature range
4)Up Arrow key, to manually set the temperature value when no temperature probe is connected
5)CAL/SELECT key, to enter calibration mode or select menu options
6)CFM/SETUP key, to confirm data or enter/exit setup menu
7)Down Arrow key, to manually set the temperature value when no temperature probe is connected
8)HOLD key, to freeze the reading on display
9)ON/OFF key, to switch the instrument ON or OFF
10)RCA socket for temperature probe
4
pH ELECTROD E APPLICATION REFERENC E GUIDE
|
|
Application |
Electrodes * |
|
|
|
|
|
1. |
Aquarium |
HI 1332B, HI 1312S |
|
2. |
Bath-water |
HI 1130B, HI 1110S |
|
3. |
Beer |
HI 1131B, HI 1111S |
|
4. |
Bread |
HI 2031B, FC 200B, HI 2020S, FC 200S |
|
5. |
Cheese |
FC 200B, FC 200S |
|
6. |
Dairy products |
FC 911B, FC 100B |
|
7. |
Dirty water |
HI 1230B, HI 1210S |
|
8. |
Emulsions |
HI 1053B, HI 1050S |
|
9. |
Environment |
HI 1230B, HI 1210S |
|
10. |
Flasks |
HI 1331B, HI 1310S |
|
11. |
Food industry general use |
FC 911B, FC 100B |
|
12. |
Fruit |
FC 200B, FC 220B, FC 200S |
|
13. |
Fruit juices, organic |
FC 210B |
|
14. |
Galvanizing waste solution |
HI 1130B, HI 1110S |
|
15. |
High purity water |
HI 1053B, HI 1050S |
|
16. |
Horticulture |
HI 1053B, FC 200B, HI 1050S, FC 200S |
|
17. |
Laboratory general use |
HI 1131B, HI 1230B, HI 1332B, HI 1330B |
|
|
|
HI 1111S, HI 1210S, HI 1312S, HI 1310S |
|
18. |
Leather |
HI 1413B, HI 1410S |
|
19. |
Lemon juice |
FC 100B |
|
20. |
Meat |
FC 200B, HI 2031B, FC 200S, HI 2020S |
|
21. |
Micro plate sampling of less than |
HI 1083B |
|
|
100mL |
|
|
22. |
Milk and Yogurt |
FC 210B |
|
23. |
Paints |
HI 1053B, HI 1050S |
|
24. |
Paper |
HI 1413B, HI 1410S |
|
25. |
Photographic chemicals |
HI 1230B, HI 1210S |
|
26. |
Quality control |
HI 1332B, HI 1312S |
|
27. |
Sausages |
FC 200B, HI 2031B, FC 200S, HI 2020S |
|
28. |
Semi-solidproducts |
HI 2031B, HI 2020S |
|
29. |
Skin |
HI 1413B, HI 1410S |
|
30. |
Soil samples |
HI 1230B, HI 1210S |
|
31. |
Solvents |
HI 1043B, HI 1040S |
|
32. |
Strong acid |
HI 1043B, HI 1040S |
|
33. |
Submersion application |
HI 1130B, HI 1110S |
|
34. |
Surfacemeasurements |
HI 1413B, HI 1410S |
|
35. |
Swimming pool |
H I1130B, HI 2114P/2 |
|
36. |
Titrations with constant |
HI 1131B, HI 1111S |
|
|
temperature range |
|
|
37. |
Titrations with wide temperature |
HI 1131B, HI 1111S |
|
|
range |
|
|
38. |
Very high humidity |
FC 911B |
|
39. |
Vials and test tube |
HI 1330B, HI 1310S |
|
40. |
Wine processing |
FC 220B |
|
|
|
|
B = BNC-type connector |
S = Screw-type connector |
||
* All electrodes ending with "B" are supplied with 1 m (3.3') cable and BNC Connector
25
HI 4430B / HI 4410S
Plastic body, gel-filled, combination gold ORP electrode.
Use: general purpose.
|
12 mm |
|
0.5" |
HI 4430 |
|
|
120 mm |
"S" VERSION |
4.7" |
|
|
Consult the HANNA General Catalog for a complete and wide selection of |
|
electrodes. |
|
EXTENSION CABLES FOR SCREW-TYPE ELECTRODES (SCREW TO BNC CONNECTOR)
HI 7855 SERIES CABLE CONNECTORS
CONNECTOR AND 3.0 mm (0.12") CABLE WITH BNC
CONNECT TO |
CONNECT TO THE |
SCREW TYPE |
BNC SOCKET |
ELECTRODES |
OF THE METER |
HI 7855/1 Extension cable 1 m (3.3') long
HI 7855/3 Extension cable 3 m (9.9') long
HI 7855/5 Extension cable 5 m (16.5') long
HI 7855/10 Extension cable 10 m (33') long
HI 7855/15 Extension cable 15 m (49.5') long
OTHER ACCESSORIES
HI 98501 |
ChecktempC pocket-size thermometer (–50.0 to 150.0°C) |
HI 98502 |
ChecktempF pocket-size thermometer (–58.0 to 302.0°F) |
HI 710015 |
Shockproof rubber boot, blue |
HI 710016 |
Shockproof rubber boot, orange |
HI 710022 |
Spare protective case |
HI 76405 |
Electrode holder |
HI 7662 |
Temperature probe with 1 m (3.3') screened cable |
HI 8427 |
pH/ORP electrode simulator with 1 m (3.3') coaxial cable and |
|
BNC connector |
HI 931001 |
pH/ORP electrode simulator with LCD, 1 m (3.3') coaxial cable |
|
and BNC connector |
|
SPECIFICATIONS |
|
|
|
|
Range |
-2.00 to 16.00 pH |
|
±699.9 mV / ±1999 mV |
|
-20.0 to 120.0°C / -4.0 to 248.0°F |
|
|
Resolution |
0.01 pH / 0.1 mV / 1 mV / 0.1°C / 0.1°F |
Accuracy (@20°C/68°F)
±0.01 pH / ±0.2 mV / ±1 mV / ±0.4°C / ±0.8°F
Typical EMC Deviation
±0.02 pH / ±0.2 mV / ±1 mV / ±0.4°C / ±0.8°F
pH Calibration |
Automatic, 1 or 2 point, |
|
|
with 3 memorized buffer values (pH 4.01, 7.01, 10.01) |
|
Offset: ±1 pH; Slope: from 75 to 110% |
||
|
||
Temperature Compensation |
||
|
|
Automatic, -20 to 120°C (-4 to 248°F) |
|
|
or manual without temperature probe |
|
||
Probes (included) |
||
|
|
HI 1230B double junction, gel-filled pH electrode |
HI 7662 temperature probe |
||
|
|
|
Battery Type |
|
1 x 9V |
|
|
|
Battery Life |
|
Approx. 150 hours of continuous use |
|
|
|
Auto-off |
After 20 minutes of non-use or disabled (user-selectable) |
|
|
|
|
Environment |
|
0 to 50°C (32 to 122°F); RH max 100% |
|
|
|
Dimensions |
|
164 x 76 x 45 mm (6.5 x 3.0 x 1.8'') |
|
|
|
Weight |
|
180 g (6.3 oz.) |
24 |
5 |
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