Starter 3100C Operation; Calibration; Selecting A Standard; Performing A Calibration - OHAUS STARTER 3100C Manuel D'instructions

EN-10
4

STARTER 3100C OPERATION

The first time you use the conductivity electrode, it should be calibrated before taking any
measurement. Please also read the conductivity electrode instruction manual for reference.
WARNING Do not operate the equipment in hazardous environments. The
equipment is not explosion protected.
WARNING When using chemicals and solvents, comply with the instructions of the
chemical producer and the general lab safety rules.
4.1

Calibration

4.1.1

Selecting a standard

When using the STARTER 3100C conductivity meter, you have to select a standard for calibration
(see 3.3).
Press and hold the
unit and value. Then the current standard blinks. Use
standards, press
The 4 predefined standards are:
10 µS/cm 84 µS/cm
Tables for automatic temperature compensation are programmed in the meter for each standard
(see appendix).
4.1.2

Performing a calibration

When performing calibration, Ohaus recommends using Auto End Point Mode. After powering
the meter on, be sure the top of the screen shows
Mode.
Auto or Manual End point Mode:
o
Press and hold
o
When in Manual Mode, to manually reach a pH measurement or calibration value,
you need to press button-
then the sample reading or calibration value freezes,
freezes on the display.
STARTER 3100C Bench Conductivity Meter
enter setup mode, after press
to confirm. Press
1413 µS/cm
to change the End Point Mode.
or
to leave the setup mode.
12.88 mS/cm
to ensure the meter is in Auto End point
when reading is stable and displays
to confirm the temperature
buttons to select the
blinks 3 times and
: