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MAC TOOLS EM721 Manual Del Usuario página 23

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Connect:
Test probes in series with the circuit to be tested.
Turn on power to the circuit, then read the display. For DC current measurements, the polarity of the red test
lead connection will be indicated as well.
Note:
1.
If the red lead is connected to the "A" jack, the rotary switch must be set in the 10 position. If the red
lead is connected to the "mA μA" jack, the rotary switch must be set in the m or μ position.
2. If the magnitude of the current to be measured is not known beforehand, select the highest range first and
then reduce it range by range until satisfactory resolution is obtained.
Temperature Measurements
Temperature measurements can be made dynamically (power on) but care must be taken so the temperature
probe does not come in contact with voltage levels that might damage the probe or the meter.
DO NOT ALLOW TEMPERATURE PROBES TO CONTACT ANY VOLTAGE THAT
MAY EXCEED 30V AC, 42V PEAK OR 60V DC. KEEP THE METER AWAY FROM SOURCES
NOTE:
To avoid possible damage to the meter or other equipment, remember that while the meter is rated
for -40°C to 1370°C and -40°F to 2,498°F, the K Type Thermocouple provided with the meter is
rated to 480°C. For temperatures out of that range, use a higher rated thermocouple. The K Type
Thermocouple provided with the meter is a present. For accurate measurements, use a professional-
grade thermocouple.
800.MACTOOLS
All manuals and user guides at all-guides.com
OF VERY HIGH TEMPERATURES TO PREVENT DAMAGE.
K type
thermocouple
CAUTION
TEMP
Object
23

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