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53 & 54 Series II
Measuring Temperatures
13
Changing the Line Frequency
For optimum rejection of line noise, set the thermometer
for the local line frequency as follows:
1. Press
K or N until the display shows Li ne.
2. Press
E to indicate that you want to change the
line setting.
3. Press
K or N as needed until the display shows
50 V or 60 V (50 Hz or 60 Hz).
4. Press
E to store the line setting in memory.
Measuring Temperatures
Connecting a Thermocouple
Thermocouples are color coded by type based on the
North American ANSI Color Code:
Type Color Type Color
J Black R Green
K Yellow S Green
T Blue N Orange
E Purple
1. Plug a thermocouple into the input connector(s).
2. Set the thermometer for the correct thermocouple
type.
To change the thermocouple type, see “Changing
Setup Options.”