Omega HH931T, User Manual

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Operating Instructions
3-9
To set the probe offset when using a calibrated temperature probe with a known offset:
1. Press (1.5s) to enter the Setup Menu;
2. Press three (3) times to cycle to the Channel 1 Offset parameter;
3. Observe the current offset value displayed on the second line of the display;
4. Press to set the offset in 0.1 ° increments until the displayed offset value
equals the calibrated probe offset value;
5. Press to save the offset value and proceed to Channel 2 offset (HH932T only),
or press to save the offset value and exit the Setup Menu.
a. Alternatively, to disregard the new offset value and exit the Setup Menu,
press
.
6. OFFSET is displayed at the top-left of the LCD display.
Open Lead Detection Enable/Disable (SN 001201 and above only)
Open Lead Detection allows the unit to detect if a thermocouple probe is connected to the
thermometer. This feature is not compatible with some thermocouple calibrators and can
result in measurement instability.
Disabling Open Lead Detection in these situations can significantly improve reading stability.
Once disabled, Open Lead Detection will remain disabled until changed by following
the below steps, or the instrument is powered off.
If no thermocouple probe is connected and Open Lead Detection is disabled, the unit
will not indicate OPEn and may display erratic readings.
To change the Open Lead Detection setting:
1. Press (1.5s) to enter the Setup Menu;
2. Press four (4) times for HH931T, five (5) times for HH932T, to cycle to the
Open Lead Detection parameter;
a. OLd is displayed on Line 1 of the LCD, and the current Open Lead
Detection status is displayed on Line 2.
3. Press to change the Open Lead Detection setting;
a. ON indicates that Open Lead Detection is enabled;
b. OFF indicates that Open Lead Detection is disabled;