Open Wire Detection On/Off - Omega HH911T User Manual

a.
9. OFFSET is displayed at the top-left of the LCD display.
To set the probe offset when using a calibrated temperature probe with a known offset:
1. Press (1.5s)
2. Press
3. Observe the current offset value displayed on the second line of the display;
4. Press
equals the calibrated probe offset value;
5. Press
or press
a.
OFFSET is displayed at the top-left of the LCD display.
6.

Open Wire Detection On/Off

Open Wire 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.
Turning Off Open Wire Detection in these situations can significantly improve reading
stability. Once off, Open Wire Detection will remain off until changed by following the below
steps, or the instrument is powered off.
If no thermocouple probe is connected and Open Wire Detection is disabled, the unit
will not indicate OPEn and may display erratic readings.
To change the Open Wire Detection setting:
1. Press (1.5s)
2. Press
Open Wire Detection Off/On parameter;
3. "OWD OFF" is flashing near the bottom of the LCD display, and the current Open
Wire Detection status is displayed on Line 2.
4. Press
display;
a.
b.
5. Press
Alternatively, to disregard the new offset value and exit the Setup Menu,
press .
to enter the Setup Menu;
three (3) times to cycle to the Channel 1 Offset parameter;
to set the offset in 0.1 ° increments until the displayed offset value
to save the offset value and proceed to Channel 2 offset (HH912T only),
to save the offset value and exit the Setup Menu.
Alternatively, to disregard the new offset value and exit the Setup Menu,
press .
to enter the Setup Menu;
four (4) times for HH911T, five (5) times for HH912T, to cycle to the
to change the Open Wire Detection setting as shown on Line 2 of the
ON indicates that Open Wire Detection is enabled;
OFF indicates that Open Wire Detection is disabled;
or to save the Open Wire Detection setting and exit the Setup Menu.
Operating Instructions
3-8