Instruction Manual Dear Customer, HI 983306

Thank you for choosing a Hanna product. This manual will FUNCTIONAL DESCRIPTION
Range 0 to 1990 ppm
provide you with the necessary information for correct opera-
& tion of the meter. Please read it carefully before using the Resolution 0 ppm
meter. If you need additional technical information, do not TDS Factor 0.5
HI 983303, HI 983304, HI983306 hesitate to e-mail us at tech@hannainst.com. Setpoint 200 to 1600 ppm
HI 983307, HI983308 These instruments are in compliance with the directives.
Hysteresis ±100 ppm around setpoint
On-line, Waterproof Alarm LED blinks when the TDS value is
EC-TDS meters with Alarm PRELIMINARY EXAMINATION outside hysteresis range
Probe HI 7634/2 (fixed)
Remove the instrument from the packing material and
examine it carefully. If any damage has occurred during HI 983307
shipment, immediately notify your Dealer or the nearest Range 0.00 to 9.99 mS/cm
Hanna Customer Service Center. Resolution 0.01 mS/cm
The meters are supplied with: Setpoint 0.70 to 3.50 mS/cm
• Conductivity probe (fixed):
HI 7631/2 for HI 983304 Hysteresis ±0.20 mS/cm around setpoint
HI 7632/2 for HI 983307 and HI 983308 Alarm LED blinks when the EC value is
HI 7634/2 for HI 983303 and HI 983306 1. Molded eye 5. Power supply connector outside hysteresis range
• Calibration screwdriver 2. Alarm LED 6. Calibration trimmer Probe HI7632/2 (fixed)
• 12 Vdc power adapter and instructions 3. Probe (fixed) 7. Liquid Crystal Display
4. 12 Vdc power adapter HI 983308
Note: Conserve all packing material until the instrument
has been observed to function correctly. Any defective Range 0.00 to 9.99 ppt
www.hannainst.com item must be returned in its original packing. Resolution 0.01 ppt
TDS Facto 0.5
WARRANTY GENERAL DESCRIPTION SPECIFICATIONS Setpoint 0.70 to 3.50 ppt
Hysteresis ±0.20 around setpoint
These meters are warranted for two years against defects in work- These instruments are specially designed to meet the needs
manship and materials when used for their intended purpose and
HI 983303 Alarm LED blinks when the EC value is
of simple continuous monitoring of conductivity or TDS. outside hysteresis range
maintained according to instructions. The probes are warranted Range 0 to 1990 µS/cm
for a period of six months. This warranty is limited to repair or The housing has been completely sealed against vapors and
humidity with IP54 rating. Resolution 10 µS/cm Probe HI 7632/2 (fixed)
replacement free of charge.
Damages due to accident, misuse, tampering or lack of prescribed You can simply hang the meter right above the sample to be Setpoint 200 to 1600 µS/cm COMMON SPECIFICATIONS
maintenance are not covered. tested for continuous measurement. Hysteresis +100 µS/cm over setpoint Accuracy (@ 25°C/77°F) ±2% f.s.
If service is required, contact the dealer from whom you purchased the All the meters come with a probe that compensates for the
instrument. If under warranty, report the model number, date of pur- Alarm LED blinks when the EC value is Typical EMC Deviation ±2% f.s.
temperature variation automatically. The probe is easy to 100 µS/cm higher than setpoint
chase, serial number and the nature of the failure. If the repair is not Temperature Automatic, 5 to 50°C (41 to 122°F)
covered by the warranty, you will be notified of the charges incurred. If
clean and requires little maintenance.
You can even select your own setpoint and be alerted of an Probe HI 7634/2 (fixed) Compensation with ß=2.4% (HI 983304) or
the instrument is to be returned to Hanna Instruments, first obtain a
abnormal situation with a flashing LED alarm. HI 983304 ß=2% (HI 983303/6/7/8)
Returned Goods Authorization Number from the Customer Service de-
partment and then send it with shipment costs prepaid. When shipping Measurements are highly accurate and the meters can be Range 0.00 to 19.99 µS/cm Calibration Manual with one trimmer
any instrument, make sure it is properly packaged for complete protec- calibrated at one point.
tion. Resolution 0.01 µS/cm Casing IP54
You no longer need to worry about battery changes either: Power Supply 12 Vdc adapter (included)
Setpoint 1.00 to 5.00 µS/cm
the unit runs without interruption on 12 VDC power supply.
Hysteresis +1.00 µS/cm over setpoint Dimensions 86 x 110 x 43 mm (3.4 x 4.3 x 1.7’’)
All rights are reserved. Reproduction in whole or in part is prohibited
without the written consent of the copyright owner. Alarm LED blinks when the EC value is Weight 215 g (7.6 oz.)
1.00 µS/cm higher than setpoint
Hanna Instruments reserves the right to modify the design, construction Probe HI 7631/2 (fixed)
and appearance of its products without advance notice.
 • Whenever the reading varies from • With the supplied screwdriver, adjust the calibration trim-
OPERATIONAL GUIDE the setpoint more than the hyster- mer until the display shows the calibration solution value: CE DECLARATION OF CONFORMITY
esis specified for your model, the 1410 µS (HI 983303), 1380 ppm (HI 983306), 5.00
TAKING MEASUREMENTS red alarm LED will blink. mS (HI 983307) or 6.44 ppt (HI 983308).
• Turn the meter on by connecting the 12 Vdc power • The calibration is now complete and the instrument is
adapter to the meter and to the mains. PROBE MAINTENANCE ready for use.
To minimize clogging and provide longer life for the probe, The instrument should be recalibrated at least once a
• Immerse the probe in the solu-
it is recommended to clean it often or at least once a month. month and after performing probe cleaning procedure.
tion, making sure that the metal
pins are completely submerged. • Immerse the tip of the probe in HI 7061 Cleaning Note: HI 983304 is supposed to be used for pure water
Solution for one hour. applications and, therefore, does not need calibra-
• The LCD will show the EC or TDS tion.
value. Any initial variation may • If a more thorough cleaning is required, brush the
be due to temperature compensa- metal pins with very fine sandpaper.
tion and the fact that the probe • After cleaning or when not in use, rinse the probe with ACCESSORIES
is adjusting itself to the new tap water.
HI 7631/2* Flow-thru conductivity probe with ½” NPT
sample. Allow the reading to sta- Note: HI 983304 is supposed to be used for pure water thread, ATC & 2 m (6.6’) cable (HI 983304)
bilize and the meter will start applications and, therefore, probe cleaning is not HI 7632/2* Flow-thru conductivity probe with ½” NPT
continuous monitoring. required. thread, ATC & 2 m (6.6’) cable (HI 983307/8)
HI 7634/2* Flow-thru conductivity probe with ½” NPT
CALIBRATION thread, ATC & 2 m (6.6’) cable (HI 983303/6)
ADJUSTING THE SETPOINT
These meters allow you to select the desired setpoint value For the greatest accuracy, frequent calibration of the instru-
and be alerted by a visual alarm (red LED) when an ment is recommended.
abnormal situation arises. • Turn the meter on and make sure Recommendations for Users
• To access the MEASURE/SET switch, unscrew and remove that the MEASURE/SET switch is on Before using these products, make sure that they are entirely suitable
the rear panel and gasket. Then move the switch to the the MEASURE position. for the environment in which they are used. Operation of these instru-
left (SET Mode). • Pour a small quantity of the proper ments in residential areas could cause unacceptable interferences to
calibration solution in a beaker. If radio and TV equipment.
possible, use plastic beakers to mini- HI 70031P 1413 µS/cm calibration solution, 20 mL sachet The metal band at the end of the probe is sensitive to electrostatic
mize any EMC interference. discharges. Avoid touching this metal band at all times. During opera-
(25 pcs)
tion, ESD wrist straps should be worn to avoid possible damage to the
Use the 1413 µS/cm solution at HI 983303, 1382 HI 70032P 1382 ppm calibration solution, 20 mL sachet
probe by electrostatic discharges.
ppm for HI 983306, 5.00 mS/cm for HI 983307, or (25 pcs)
Any variation introduced by the user to the supplied equipment may
6.44 ppt for HI 983308. HI 70038P 6.44 ppt calibration solution, 20 mL sachet degrade the instrument’s EMC performance.
• Immerse the probe in the solution, (25 pcs) To avoid electrical shock, do not use these instruments when voltages at
• With a small screwdriver adjust the making sure that the metal pins HI 70039P 5.00 mS/cm calibration solution, 20 mL sachet the measurement surface exceed 24 Vac or 60 Vdc.
setpoint trimmer to display the de- are completely submerged. (25 pcs) Use plastic beakers to minimize any EMC interferences.
sired setpoint (within the specified HI 70031L 1413 µS/cm calibration solution, 500 mL bottle To avoid damages or burns, do not perform any measurement in micro-
range; see Specifications table). HI 7039L 5.00 mS/cm calibration solution, 500 mL bottle wave ovens.
Note: In order not to affect the accuracy of measurements, HI 7061L Probe cleaning solution, 500 mL bottle
• Move back the switch to the right (MEASURE Mode). it is important that the probe body does not touch HI 710005 12 Vdc power adapter, US plug
• Close the meter with the rear panel, while making sure nor stand close to the side walls of the beaker. HI 710006 12 Vdc power adapter, European plug
the gasket is in place before tightening the screws. HI 710012 12 Vdc power adapter, Australian plug
• Wait for a couple of minutes for thermal equilibrium to
HI 710013 12 Vdc power adapter, Southern Africa plug
be reached, then tap the probe gently on the bottom, HI 710014 12 Vdc power adapter, UK plug
then shake it, to make sure no air bubbles have
remained trapped. * To be replaced by authorized technical personnel only IST9833R3 05/05