19
d. Measuring DC Amps
CAUTION!
Do not attempt to make a current measurement with the
test leads. The 296 measures the current by clamping
the jaw around one conductor (wire). Clamping around
more than one wire will result in erroneous readings.
Instrument set-up:
FUNC.
BLACK RED
MIN
MAX
TEST LEAD TEST LEAD
READING
READING
A
NOT USED NOT USED
0.01A
700A
Measurement Procedure:
1.
Disconnect power to circuit to be measured.
2.
Set rotary switch to
A
function.
3.
Press the
FUNC
button to set to measure DCA.
4.
Press and hold the
HOLD
button until LCD zero’s.
5.
Clamp the jaws around one conductor of the circuit
to be measured.
6.
Reconnect power to circuit to be measured.
7.
Read the current on the 296.
Optional Modes
•
HOLD:
Freezes the reading on the LCD.
•
RANGE:
Manually ranges the instrument.
•
REC:
Record minimum, maximum and
average values.
•
TRIM:
Push TRIM button to stabilize reading.
16
2. Step by Step Procedures:
a. Measuring DC Volts
WARNING!
Do not attempt to make a voltage measurement of
more than 600V or of a voltage level that is unknown.
Instrument set-up:
FUNC.
BLACK RED
MIN
MAXI
TEST LEAD TEST LEAD
READING
READING
V
COM
V/
Ω
0.01V
600V
Measurement Procedure:
1.
Disconnect power to circuit to be measured.
2.
Plug black test lead into the
COM
input jack.
3
Plug red test lead into the
V/
Ω
input jack.
4.
Set rotary switch to the
V
range.
5.
Push
FUNC
button so AC does not show on LCD.
6.
Connect test leads to circuit to be measured.
7.
Reconnect power to circuit to be measured.
8.
Read the voltage on the 296.
Optional Modes
•
TRIM:
Push TRIM button to stabilize
reading.
•
HOLD:
Freezes the reading on the LCD.
•
RANGE:
Manually ranges the instrument.
•
REC:
Record minimum, maximum and
average values.
!
