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Once an event has been selected using the navigation UP/Down buttons, press the “OK” button to view
additional information for the selected event. As shown in th screen shots below, event 6, a short fault condi-
tion on the channel 1 is selected.
EVENT HISTORY:
4: TECH LEVEL RESET
5: NORMAL
6: SHORT FAULT CH1 >
6: SHORT FAULT CH1
DIST: 463 FT
TEMP: 77F
12:22PM 8/20/2018
Event History List Additional Event Information
The additional information for this event 6 shows the Event Type, Distance to the Event in feet and the time
and date the event occurred on. To return to the Event History List press the “ESC” key.
Cold Junction Test/Offset - The CTM-530 uses a cold junction compensation measurement to establish an
accurate thermocouple measurement. The cold junction compensation measurement is provided by an on
board thermistor.
To access the cold junction measurement settings enter the setup menu and select the “12: COLD JUNC-
TION” sub-menu item and press the “OK” button. The cold junction sub-menu will be displayed.
SETUP: TECH
10: FACTORY RESTORE
11: EVENT HISTORY
12: COLD JUNCTION >
COLD JUNCTION:
1: CAL CJ OFFSET >
2: VIEW CJ TEMP
Menu Screen Cold Junction Sub-Menu
To adjust the cold junction measurement offset select the “1: CAL CJ OFFSET” sub-menu item and press
the “OK” button. The current cold junction offset and temperature is displayed. Use the Left/Right naviga-
tion keys to select the decimal digit to adjust and the Up/DOWN navigation keys to adjust the value. Once
adjusted to the correct value press the “OK” button to save the setting.
To view the current cold junction measurement and offset settings select the “2: VIEW CJ TEMP” sub-
menu item and press the “OK” button. The current cold junction temperature is displayed along with the
current applied offset and thermistor resistance reading.
COLD JUNCTION:
CJ TEMP: 74.5ºF
OFFSET: -1.7ºF >
COLD JUNCTION:
CJ TEMP: 74.5°F
OFFSET: -1.7°F
RES: 9321.1 Ohms >
Cold Junction Calibration Cold Junction Settings View
Note: The cold junction offset is factory calibrated and set. Adjustments should only be made by qualifi ed
personnel.
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