Hanna Instruments HI 993301 User manual
WARRANTY
HI 993301 and HI 993302 are warranted for two years against
defects in workmanship and materials when used for their intended purpose
and maintained according to instructions. The probe is warranted for a
period of six months.
This warranty is limited to repair or replacement free of charge. Damages
due to accident, misuse, tampering or lack of prescribed maintenance are not
covered.
If service is required, contact the dealer from whom you purchased the instru-
ment. If under warranty, report the model number, date of purchase, serial
number and the nature of the failure. 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 ship-
ment costs prepaid. 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 with-
out the written consent of the copyright owner.
Remove the instrument from the packing material and exam-
ine it carefully. If any damage has occurred during shipment,
notify your dealer or the nearest Hanna Service Center.
The meters are supplied with:
• HI 7630 conductivity probe
• calibration solution sachet, 20 mL:
HI 70031 (1413 µS/cm) for HI 993301
HI 70030 (12.88 mS/cm) for HI 993302
• 12 Vdc power adapter and instructions
Note: Conserve all packing material until the instrument has
been observed to function correctly. Any defective item
must be returned in its original packing.
PRELIMINARY EXAMINATION
The waterproof EC/TDS indicators HI 993301 and HI 993302
have been designed to meet the grower’s need for equipment
suited to the aggressive environments of agricultural and
hydroponics applications.
The instruments feature a large, dual-level, backlit LCD to
give instantaneous readings of both EC/TDS and temperature
even from a distance.
Calibration and temperature compensation are automatic,
while the TDS factor and temperature coefficient are user
adjustable for application specific measurements.
The HI 7630 probe is provided with built-in temperature
sensor, and has been molded with pipe thread (1/2’’ NPT)for
an easy in-line installation.
Choose the indicator according to the proper EC/TDS ranges for
your application:
• HI 993301 measures EC from 0 to 3999 µS/cm and TDS
from 0 to 2000 ppm
• HI 993302 measures EC from 0.00 to 20.00 mS/cm and
TDS from 0.00 to 10.00 ppt
GENERAL DESCRIPTION
FUNCTIONAL DESCRIPTION SPECIFICATIONS
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.
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 damages or burns, do not perform any measurement in microwave
ovens.
IST993301R1 07/05
Range 0.0 to 60°C / 32.0 to 140°F
0 to 3999 µS/cm / 0 to 2000 ppm (HI 993301)
0.00 to 20.00 mS/cm / 0.00 to 10.00 ppt (HI 993302)
Resolution 0.1°C / 0.1°F
1 µS/cm / 1 ppm (HI 993301)
0.01 mS/cm / 0.01 ppt (HI 993302)
Accuracy (@20ºC/68ºF)
±0.5°C / ±1°F / ±2% FS for EC/TDS
Typical EMC Deviation
±1°C / ±2°F / ±2.5% FS for EC/TDS
Calibration Automatic, 1 point
Probe HI 7630 (fixed)
Temperature Compensation
Automatic, with βadjustable from 0.0 to 2.4%/ºC
TDS Factor Adjustable from 0.45 to 1.00 (CONV)
Power Supply 12 Vdc power adapter (included)
Environment 0 to 50ºC (32 to 122ºF);
RH max 95% non-condensing
Dimensions
160 x 105 x 31 mm (6.2 x 4.1 x 1.2’’)
Weight 190 g (6.7 oz.) - meter only
1. Liquid Crystal Display
2. ON/OFF/MODE button
3. Power supply connector
4. 12 Vdc power adapter
5. HI 7630 conductivity probe with built-in temperature
sensor and pipe thread 1/2’’ NPT
6. SET/HOLD button
www.hannainst.com
InstructionManual
(HI993301-HI993302)
Hanna Instruments reserves the right to modify the design, construction and
appearance of its products without advance notice.
Dear Customer,
Thank you for choosing a Hanna product.
This manual will provide you with the necessary information
for a correct operation. Please read it carefully before using
the meter. If you need additional technical information, do
These instruments are in compliance with the directives.
Preliminary operations
Connect the 12 Vdc adapter to the meter and to the mains;
the display will lit. Press and hold the MODE button for 2-3
seconds. All the used segments on the LCD will be visible for a
few seconds.
To change the temperature unit
To change the temperature unit (from °C to °F), from
measurement mode, press and hold the MODE button until
“TEMP” and the current temperature unit are displayed on
the lower LCD (E.g. TEMP °C).
Use the SET/HOLD button to change the temperature unit,
and then press MODE button twice to return to normal
measurement mode.
To freeze the display
Press and hold the SET/HOLD button for 2-3 seconds until
“HOLD” appears on the secondary display.
Press either button to return to normal mode.
Taking measurements
Select either EC or TDS mode with the SET/HOLD button.
Immerse the probe in the solution to
be tested. For better accuracy, the
probe should not touch or stand close
to the walls or bottom of the sample
vessel.
The EC or TDS value automatically com-
pensated for temperature variations, is
shown on the primary LCD, while the
secondary LCD shows the temperature
of the sample.
Measurements should be taken when the stability symbol on
the top left of the LCD disappears.
OPERATIONAL GUIDE CALIBRATION PROCEDURE
• From measurement mode, press and hold the MODE
button until CAL is displayed on the lower LCD.
• Release the button and immerse the probe in the proper
calibration solution: HI 70031 (1413 µS/cm) for HI 993301
and HI 70030 (12.88 mS/cm) for HI 993302.
• Once the calibration has been automatically performed,
the LCD will display OK for 1 second and the meter will return
to normal measurement mode.
• Since there is a known relationship between EC and TDS
readings, it is not necessary to calibrate the meter in TDS
Note: for storing calibration data in the non-volatile memory,
turn the meter OFF and then ON again through the MODE
button.
The CAL symbol on the LCD means that the meter is cali-
brated.
ACCESSORIES
HI 7630 (*) Conductivity probe with built-in tempera-
ture sensor and pipe thread 1/2’’ NPT
HI 70030P 12.88 mS/cm calibration solution, 20 mL
sachet (25 pcs)
HI 70031P 1413 µS/cm calibration solution, 20 mL
sachet (25 pcs)
HI 70032P 1382 ppm calibration solution, 20 mL
sachet (25 pcs)
HI 70038P 6.44 ppt calibration solution, 20 mL sa-
chet (25 pcs)
HI 70442P 1500 ppm calibration solution, 20 mL
sachet (25 pcs)
HI 7030M 12.88 mS/cm solution, 230 mL bottle
HI 7031M 1413 µS/cm solution, 230 mL bottle
HI 7032M 1382 ppm solution, 230 mL bottle
HI 7038M 6.44 ppt solution, 230 mL bottle
HI 70442M 1500 ppm solution, 230 mL bottle
HI 7061M Electrode cleaning solution, 230 mL bottle
HI 70300M Electrode storage solution, 230 mL bottle
HI 710005 12 Vdc power adapter, US plug
HI 710006 12 Vdc power adapter, European plug
HI 710013 12 Vdc power adapter, Australian plug
HI 710013 12 Vdc power adapter, South Africa plug
HI 710014 12 Vdc power adapter, UK plug
(*) To be replaced by authorized technical personnel only.
To change the TDS factor (CONV) and the temperature
compensation coefficient β(BETA)
• From measurement mode, press and hold the MODE
button until “TEMP” and the current temperature unit are
displayed on the lower LCD (E.g. TEMP °C).
• Press the MODE button again to show the current conver-
sion factor (E.g. 0.50 CONV).
• Use the SET/HOLD button to change the conversion factor.
• Press the MODE button to show the current temperature
compensation coefficient β(E.g. 2.1 BETA).
• Use the SET/HOLD button to change the value.
• Press MODE to return to normal measuring mode.
To turn the meter off
Press the MODE button while in normal measurement mode.
“OFF” will appear on the lower part of the display. Release
the button. The display still lit, until the power supply is
connected.
Notes:
• Before taking any measurement make sure the meter has
been calibrated.
• To clear a previous calibration, press the MODE button
after entering the calibration mode. The lower LCD will
display “ESC” for 1 second and the meter will return to
normal measurement mode. The CAL symbol on the LCD
will disappear. The meter will be reset to the default
calibration.
• If measurements are taken in different samples successively,
rinse the probe thoroughly with water and then with some
of the sample to be measured.
This manual suits for next models
1
