OHAUS Guardian 3000, Instruction Manual

Page: 24 / 196

EN-22 Guardian
TM
Hotplate-Stirrers
4.4.2. Adjust a Calibrated Temperature
1. To adjust a calibrated temperature, the unit must first be in the top level of the
settings menu. Please refer to
Accessing / Exiting Section for how to enter
the top level menu. Then wait for the screen to show
CAL
.
2. Briefly press the left knob to enter the Calibration settings menu.
3. Briefly press the left knob to enter the
SPC
settings menu.
4. Rotate the left knob to select which calibration temperature to adjust if two
calibration records are stored. The unit can store1 point (Plate) and 1 point
(Probe) single point calibration record. For calibration performed with an
external probe, the screen will display .
5. Press and hold the left knob until the unit beeps and the illuminates to
begin calibration. Then repeat steps in the previous Start a Single Point
Calibration Section from step 6 to the end to finish the process.
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