DL250-MAN
P. 2
4.
Range and Time Stamp Push-button:
Switches meter
from auto to manual ranging. Also initiates the time stamp
function when used in conjunction with MAX / MIN / R e c o r d i n g .
5.
Hold Push-button:
Freezes the value displayed on the digital
read-out. This function does not work while recording is in
progress. Also turns on back light and work area light.
6.
MAX/MIN Push-button:
Use to cycle through recorded and
present values, and the time stamp function.
7.
Clamp Lever:
Opens and closes current clamp jaw.
8.
Mode Push-button:
Toggles the color-coded optional functions
indicated on the rotary function switch (AC to DC volts, ohms to
continuity and degrees centigrade to fahrenheit, frequency to
duty cycle).
9.
Rotary Function Switch:
Used to power the meter on and
off, or to select the available measurement functions:
• Measures inductive AC current using the clamp
• Measures capacitance at the test lead inputs
• Measures volts AC or DC Volts at the test lead inputs
• Measures resistance or continuity at the test lead inputs
• Measures Hz and Duty Cycle
• Measures temperature with the K-type thermocouple
and adapter plug at the test lead inputs
• Measures DC microamps using the test lead inputs
CAUTION!
When taking DC current and micro amp measurements, this meter
must be connected in SERIES with the circuit (or circuit element) under
test.
NEVER CONNECT THE TEST LEADS ACROSS A VOLTAGE
SOURCE
while the rotary switch is set to the microamps position. This
can cause damage to the circuit under test or this meter.
10.
Off Position:
Turns the meter off. Always store your meter in
the off position. If the meter will not be used for a month or more,
remove the batteries.
11.
Display:
Communicates function, range and value information
to the user. (See items 16 through 30)
12.
400 µA MAX FUSED:
Indicates that the DC µA ranges
are fuse protected.
13.
Common Terminal:
The black test lead is plugged into
this terminal to supply the ground or “
low
” reference for all
measurements.
14.
MAX 600V
:
Indicates the maximum voltage potential that
can be applied at the terminals.
WARNING!
DO NOT
Exceed 1000 volts DC or AC-RMS at either the common or
multifunctional input ports, as measured from earth ground.
15.
V
Ω
µA TEMP Terminal:
The red lead is
plugged into this terminal. It is used for AC/DC volts, ohms,
continuity, microamps, diode, capacitance and temperature
measurements.
International Symbols
C o n t rols and Indicators
1.
Clamp:
Used to measure inductive AC current. Opens
to 1.25" (32 mm).
NOTE:
The clamp uses a high tension spring to close the
jaw. Do not allow fingers or objects to become pinched in
the base as jaw closes.
2.
Conductor Alignment Marks:
Used to aid in the visual
alignment of a conductor when measuring inductive
amperage. Greatest accuracy is achieved when the
conductor inside the clamp is centered at the intersection
of these marks.
3.
Hand Guard:
Used as a point of reference for the
operators safety.
WARNING!
Always keep your hands and fingers behind the hand guards when
measuring current on exposed conductors. Contact may result in
serious injury.
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