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2.2
PREPARATION FOR USE
The Models 865 and 866 are ready for use, after the battery is installed. To install
the battery, refer to paragraph 5.2.3.
2.3 VERIFICATION
CHECK
Install a probe and, at room temperature, hold the tip of the probe between your
thumb and index finger. A reading between 25°C and 40°C should be obtained
for the Model 866, and a reading of 77°F to 104°F should be obtained for the
Model 865, to confirm the functioning of the instrument.
SECTION 3 OPERATION
3.1 SAFETY
PRECAUTIONS
Do not attempt to measure temperatures beyond the range
of the probe being used. Probe damage may occur.
Maximum probe temperatures are given in the optional
accessories section. Do not touch the probe tip when
measuring excessively high or low temperatures.
3.2
OPERATING PROCEDURES
3.2.1
Model 865 (See Figure 3-1)
1. Turn power on by selecting the desired range.
2. Insert appropriate temperature probe into the input jack.
3. Touch the probe tip to the material to be measured and read the
display in degrees Fahrenheit.
NOTE
An open sensor is indicated by a reading on the display of
greater than -100.0°. Overrange is indicated by blanking of
three least-significant digits. Low battery (10% life remaining)
is indicated by LO BAT on the display.
WARNING
A shock hazard exists on the input jack when probes or
sensors are exposed to voltage levels greater than 42 volts,
peak to earth ground. Do not exceed 42 volts, peak to earth
ground
CAUTION
2
Summary of Contents for 865
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