Fluke 87V FE 83V & 87V Users Manual - Page 34

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80 Series V Users Manual 3. If you are using the A terminal, set the rotary switch to mA/A. If you are using the mA/µA terminal, set the rotary switch to µA for currents below 6000 µA (6 mA), or mA/A for currents above 6000 µA. 4. To measure dc current, press A. 5. Break the circuit path to be tested. Touch the black probe to the more negative side of the break; touch the red probe to the more positive side of the break. Reversing the leads will produce a negative reading, but will not damage the Meter. 6. Turn on power to the circuit; then read the display. Be sure to note the unit given at the right side of the display (µA, mA, or A). 7. Turn off power to the circuit and discharge all highvoltage capacitors. Remove the Meter and restore the circuit to normal operation. The following are some tips for measuring current: • If the current reading is 0 and you are sure the Meter is set up correctly, test the Meter's fuses as described under "Testing the Fuses". • A current Meter drops a small voltage across itself, which might affect circuit operation. You can calculate this burden voltage using the values listed in the specifications in Table 14. 26

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80 Series V
Users Manual
26
3.
If you are using the
A
terminal, set the rotary switch to
mA/A. If you are using the
mA/
µ
A
terminal, set the
rotary switch to
µ
A for currents below 6000
µ
A
(6 mA), or mA/A for currents above 6000
µ
A.
4.
To measure dc current, press
A.
5.
Break the circuit path to be tested. Touch the black
probe to the more negative side of the break; touch
the red probe to the more positive side of the break.
Reversing the leads will produce a negative reading,
but will not damage the Meter.
6.
Turn on power to the circuit; then read the display. Be
sure to note the unit given at the right side of the
display (
µ
A, mA, or A).
7.
Turn off power to the circuit and discharge all high-
voltage capacitors. Remove the Meter and restore the
circuit to normal operation.
The following are some tips for measuring current:
•
If the current reading is 0 and you are sure the Meter
is set up correctly, test the Meter's fuses as described
under "Testing the Fuses".
•
A current Meter drops a small voltage across itself,
which might affect circuit operation. You can calculate
this burden voltage using the values listed in the
specifications in Table 14.