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3. INTRODUCTION
This instrument is a portable 3
1
/
2
digit, compact-
sized digital thermometer designed to use external
type-K thermocouples as temperature sensors. It
is compatible with the full range of Comark type-K
thermocouple probes.
4. OPERATING INSTRUCTIONS
4.1 Selecting the Temperature Scale
Readings are displayed in either degrees
Celsius (°C) or degrees Fahrenheit (°F). When
the thermometer is turned on, it is set to the
temperature scale that was in use when the
thermometer was last turned off. To change the
temperature scale, press the °C or °F key.
4.2 Selecting the Display Resolution
The thermometer allows two choices of
resolution
High resolution: 0.1°C or 0.1°F
Standard resolution: 1°C or 1°F
To select the alternate display resolution, press
the corresponding “1°” or “0.1°” key.
4.3 HOLD Mode
Pressing the HOLD key to enter the Data
Hold mode, the “D-H” annunciator is
displayed. When HOLD mode is selected, the
thermometer holds the present reading and
stops all further measurements.
Pressing the HOLD key again cancels HOLD
mode, causing the thermometer to resume
taking measurements.
