381270 v1.2 04/02
10
OPERATING INSTRUCTIONS
WARNING:
Risk of Electrocution.
High-voltage circuits, both AC and DC, are very
dangerous and should be measured with great care.
1.
ALWAYS
set the power switch to the
OFF
position when the meter is not in use.
2. If “
OVER
” appears in the display during a measurement in the manual range mode,
the value you are measuring exceeds the range you have selected. Change to a
higher range.
AUTORANGE / MANUAL RANGE SELECTION
The meter will turn on in the autoranging mode. For most applications this is the
easiest and most accurate method of measurement. For measurements that require
the range to be held:
1. Press the “
RANGE
” key. The display will change from “
AUTO
” to “
RANGE
” (manual
range) with the full scale value displayed.
2. Each time the “
RANGE
” key is pressed, the next available range will be set.
3. To return to “
AUTO
” range, hold the “
RANGE
” key for 4 seconds.
DATA HOLD
The meter will freeze the reading in the display when the
HOLD
key is pressed. “
H
”
will apear in the display when
HOLD
is activated. Press
HOLD
again to resume
normal operation.
AUTO POWER OFF
The meter will automatically shut off after 30 minutes if a push button is not pressed or
the rotary switch is not moved. The symbol in the upper left of the display indicates the
time left to shut off.
AC VOLTAGE MEASUREMENT
1. Turn the rotary switch to the
ACV
position.
2. Press the
HELP
key and then the
F4
key to display
procedures, cautions and connection diagrams
regarding ACV measurements.
3. Press the
HELP
key again to exit the HELP screens.
DC VOLTAGE MEASUREMENT
1. Turn the rotary switch to the
DCV
position.
2. Press the
HELP
key and then the
F4
key to display
procedures, cautions and connection diagrams
regarding DCV measurements.
3. Press the
HELP
key again to exit the HELP screens
