Martini Instruments EC 59 User Manual

USER MANUAL
EC 59 • EC 60
Pocket-size
EC/TDS/°C/°F Meters
www.martini-instruments.com

OPERATIONAL GUIDE

• Remove the probe cap and turn the
meter on by pressing the ON/OFF
button. All the used segments on
the LCD will be visible for 1 second
or as long as the button is pressed.
• Immerse the probe in the solution to
be tested and select either EC or
TDS mode with SET/HOLD.
• Stir gently and wait for the reading
to stabilize, i.e. the hourglass sym-
bol on the LCD turns off.
• The EC (or TDS) value is automati-
cally compensated for temperature
and will be displayed on the main
LCD, while the temperature is shown
on the secondary LCD.
• To freeze the display, while in mea-
surement mode, press and hold the
SET/HOLD button. The "HOLD" mes-
sage appears on the secondary dis-
play and the reading will be frozen
on the LCD.
Press any button to return to normal
mode.
• To turn the meter off, press the ON/
OFF button. The "OFF" message will
appear on the secondary display.
Release the button.
Notes:
• Before taking any measurement,
make sure the meter is calibrated
(the CAL tag is on).
• After use always turn the meter
OFF, rinse the probe with water and
store it with the protective cap.

SETUP

Setup mode allows the selection of
temperature (°C or °F), TDS conver-
sion factor (CONV) and temperature
coefficient (BETA).
To enter the Setup mode, press the
ON/OFF button until "CAL" on the sec-
ondary LCD is replaced by "TEMP"
and the current temperature unit (e.g.
TEMP °C). Then:
• for °C/°F selection: use the SET/
HOLD button; then press the ON/
OFF button once to enter the buffer
set selection or twice to return to
the normal measurement mode.
• to change the TDS factor value: af-
ter setting the temperature unit, press
ON/OFF once to show the current
value (e.g. 0.50 CONV). Select the
desired value by using the SET/HOLD
button, then press ON/OFF twice to
return to the normal measurement
mode.
• to change the temperature coeffi-
cient: after setting the TDS factor,
press ON/OFF to show the current
value of the temperature coefficient
β (e.g. 2.1 BETA). Use the SET/
HOLD button to set the desired
value, then press ON/OFF to return
to the normal measurement mode.

CALIBRATION PROCEDURE

For better accuracy, frequent calibra-
tion of the tester is recommended.
Calibration is also necessary after probe
replacement, after testing aggressive
chemicals and where extreme accu-
racy is required.
• From normal EC operation mode,
press and hold the ON/OFF/CAL
button until the "OFF" message on
the secondary LCD is substituted
by "CAL". Release the button.
• Immerse the probe in the proper cali-
bration solution: M10030 (1413 µS/
cm) for EC 59 and M10031 (12.88
mS/cm) for EC 60.
• Once the calibration has been auto-
matically performed, the LCD will