421502-en-GB_V2.0 3/19
type in the SET mode. A type-K thermocouple is supplied. Safety note: The supplied
thermocouple can only be used to measure temperature to 260
o
C (500
o
F). To measure
higher temperatures please obtain a thermocouple rated for higher temperature.
Temperature Units
Press the "
o
C/
o
F" button to toggle the temperature units. The meter recalls the selected
unit of measure when power is cycled.
Data Hold
Press the "HOLD" button to freeze the displayed reading. The "HOLD" indicator will
appear. Press "HOLD" again to return to normal operation. In MIN-MAX-AVG mode,
pressing the "HOLD" button pauses MIN-MAX-AVG recording (pressing "HOLD" again
resumes recording).
Primary and Secondary Display Modes (T1, T2, or T1 - T2)
Use the "T1 T2 / T1 - T2" button (the button with the number “4” overlay), to select the
mode for the meter's primary display (top, large digits). Press the "T1 T2 / T1 - T2" button
(the button with the minus sign [-] overlay) to select the mode for the meter's secondary
display (lower, smaller digits).
Choose "T1 or T2" to select thermocouple input 1 or 2 for display. Select "T1 - T2" to
display the difference between the two thermocouple measurements. In T1 - T2 mode, a
reading of zero indicates that both thermocouples are reading the same temperature.
Set the Thermocouple type
Choose Type-K or Type-J thermocouple using the “K/J” buttons. The “K/J” button with the
number “5” overlay applies to the primary display (large digits). The “K/J” button with the
“0” overlay applies to the secondary display (smaller digits). The selection must match
the inserted thermocouple type for accurate temperature measurements. The meter
remembers the selection when power is cycled.
Taking Temperature Measurements
The tips of thermocouple probes are used to sense temperature. Touch the tip of the
probe to an object’s surface to measure its temperature. You can also use a
thermocouple to measure the air temperature by placing the tip of the thermocouple in a
room, enclosure, or other area. Use care when placing the thermocouple; do not place it
in liquids or near live electrical circuitry.
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