Relative Value Measurement - Omega HH147AU User Manual

5.7 Relative Value Measurement

Function(REL):
Use only one thermocouple to compare the
difference between 2 temperatures. For example if
the first temperature was measured to be 25°C,
press the
0°C; then a second temperature was measured to
be 30°C, and the LCD will display 5°C (30-25=5°C).
Press the
The main display shows the REL value and the
secondary display shows the temperature value
currently being measured.
To display the relative value of another channel,
please press and hold the
between T1 and T2 displays.
button now and the LCD will display
button again to turn off this function.
button to switch
6