1312
2. Step by Step Procedures:
a. MEASURING DC VOLTS
CAUTION!
Do not attempt to make a voltage measurement if
a test lead is plugged in the A or µmA input jack.
Instrument damage and/or personal injury may
result.
W
ARNING!
Do not attempt to make a voltage measurement of
more than 1000V or of a voltage level that is
unknown.
Instrument set-up:
FUNCTION BLACK RED MINIMUM MAXIMUM
TEST LEAD TEST LEAD READING READING
mV COM VWHz 0.1mV 400.0mV
V COM VWHz 0.001V 1000V
Measurement Procedure:
1. Disconnect power to the circuit to be measured.
2. Plug the black test lead into the COM input jack.
3 Plug red test lead into the V
W
Hz input jack.
4. Set rotary switch to either the or range,
depending on the voltage to be measured.
5. Connect the test leads to the circuit to be measured.
6. Reconnect power to the circuit to be measured.
7. Read the voltage on the EEDM504D.
Optional Functions:
b. Rotary Switch
OFF Turns the EEDM504D off.
Function for measuring AC voltage (ACV).
Function for measuring DC voltage (DCV).
Function for measuring AC/DC millivolts (mV).
Funtion for measuring resistance, diode testing
and continuity buzzer
40 Function for measuring up to 40 DC micoamps
(uA)
Function for measuring up to 4000 AC/DC
microamps.
Function for measuring up to 400 AC/DC
milliamps.
Function for measuring up to 10 AC/DC amps
Hz Function for measuring Frequency
CAP Function for measuring Capacitance
c. Input Jacks
V
W
Hz Red test lead connection for all Volt, Ohm,
Frequency and Capacitance functions.
COM Black test lead connection for all functions.
uAmA Red test lead connection for current
measurements on the uA and mA functions.
A Red test lead connection for current
measurements on the A function.
d. Disable Auto Power Off (APO)
With the rotary switch in the OFF position Press and
hold down the AC/DC push button while turning the
instrument on.
RANGE
REC
REL
HOLD
Manually select the appropriate range.
Activate MIN/MAX record mode (page 22).
Activate REL mode (page 22).
Freeze the reading on the LCD.
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