INSTRUCTION MANUAL
HI98318
Waterproof EC/TDS Tester
Warranty
These meters are warranted for a period of one year against defects in workmanship
and materials when used for their intended purpose and maintained according to
instructions. Probes are warranted for a period of 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 your
local Hanna Instruments Office. 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
(RGA) number from the Technical Service department and then send it with shipping
costs prepaid. When shipping any instrument, make sure it is properly packaged for
complete protection.
Solutions
Code
Description
HI5036-023
Quick Cal pH and EC one-point
calibration solution,
230 mL bottle
HI50036P
Quick Cal pH and EC one-point
calibration solution,
20 mL sachets (25 pcs.)
HI70031P
1413 μS/cm calibration solution,
20 mL sachets (25 pcs.)
HI7031L
1413 μS/cm calibration solution,
500 mL bottle
HI8031L
1413 μS/cm calibration solution, FDA approved,
500 mL bottle
Accessories
IST98318 09/18
To obtain the highest accuracy for measurements it is important to follow these tips:
• Calibration is only as good as the solution being used. The calibration solution
values change over time. Fresh solution should be used for each calibration.
• The probe should be rinsed with purified water each time before placing in
calibration solution or sample to be tested.
Care and Maintenance
Battery Replacement
To change the CR2032 Li-ion battery, turn the battery cover located on the back of
the meter counterclockwise to unlock. Remove cover and replace with new battery
+ side facing up.
Note: Batteries should only be replaced in a safe area using the battery
type specified in this instruction manual. Old batteries should be disposed in
accordance with local regulations.
The meter features a low battery indicator. When the battery is running low (under
10%), the battery indicator will blink on the LCD. When the battery is discharged
“dEAd bAtt”
will be displayed on the LCD for 2 seconds and the meter will turn off.
Error messages
During user calibration, if the reading is out of the accepted range, the meter will
display “---- Err“.i.e. 3000 ppm blinking means the limit of the measured value is
out of range.
If the measured temperature is higher than 50.0 ºC or lower than 0.0 ºC, the 50.0 ºC or
0.0 ºC temperature value will blink on the LCD in measure mode.
2. Place the probe in calibration solution. The probe tip should be centered in the
solution and submersed 1.18” (3 cm). The meter will automatically recognize the
solution.
3. If the solution is not recognized or is out of the accepted range “
----
Err“ is
displayed.
4. If the buffer is recognized “REC“ is displayed until the reading is stable and the
calibration is accepted.
• After acceptance, the “Stor“ message is displayed and meter returns to
measurement mode.
Calibration Procedure
EC Measurement and Calibration
For better accuracy, frequent calibration of the meter is recommended. In addition,
the instrument must be recalibrated:
• When high accuracy is required.
• At least once a month.
Measurement
Press the ON/OFF button to turn the meter ON. Place the probe to the desired solution.
The conductivity value, automatically compensated for temperature, will be shown
on the LCD.
The measured temperature will be shown on the secondary LCD.
Note: Before taking any measurement make sure the meter has been calibrated.
• Press CAL button to enter calibration mode from measurement mode.
• The meter will enter the calibration mode, displaying “mS/cm 1.41 USE” with
CAL tag blinking.
1. Pour 2” (5 cm) of standard solution into a container.
• After entering in the calibration mode and before the point is accepted, it is
possible to quit the procedure and return to the last calibration data by pressing
the CAL button. The LCD displays ”----ESC” for 1 second and the meter returns to
measurement mode.
Quick Calibration
Select calibration type “CAL quic “ from meter setup.
• Enter calibration mode.
• Immerse the probe in the
HI50036
calibration solution.
• When the standard values is recognized and stability is reached the meter
automatically accepts the calibration.
• The LCD will display “Stor“ for 1 second and return to normal measurement mode.
• If the standard is not recognized or the slope is out of accepted range “----Err‘ is
displayed. Change the calibration solution, clean the electrode or press any key
to exit calibration.
• When the calibration procedure is completed, the “CAL“ tag is turned on.
Clear Calibration
Place meter in calibration mode. Press ON/OFF and “CLR” is displayed. The meter
will now be at default calibration.
