• The XP Series Digital Multimeters conform to EN61010-1, Rev-2; CAT I 1000 V,
CAT II 600 V, CAT III 300 V, class 2 and pollution deg.2; CSA 22.2 -1010-1. It is
recommended for use with local level power distribution, appliances, portable
equipment, etc., where only smaller transient overvoltages may occur, and not
for primary supply lines, overhead lines, and cable systems.
• Do not exceed the maximum overload limits per function (see specifications)
nor the limits marked on the instrument itself. Never apply more than
1000 V dc/750 V ac rms between the test lead and earth ground.
• Inspect the DMM, test leads and accessories before every use. Do not use any
damaged part.
• Never ground yourself when taking measurements. Do not touch exposed
circuit elements or test probe tips.
• Do not operate the instrument in an explosive atmosphere.
• Exercise extreme caution when: measuring voltage >20 V // current >10 mA //
AC power line with inductive loads // AC power line during electrical storms //
current, when the fuse blows in a circuit with open circuit voltage >1000 V //
servicing CRT equipment.
• Always measure current in series with the load – NEVER ACROSS a voltage
source. Check fuse first. Never replace a fuse with one of a different rating.
• Remove test leads before opening the case.
HOLD
CONTACT
VOLTAGE
OFF
1000750
200200
2020
V
22
200
m
V
200
m
200
2m
20m
200
m
200m
20k
20m
2k
2m
200
1.5V
200
9V
BATT
A
CAT 1000V
CAT 600V
CAT 300V
mA
COM
BATT 1.5V
MAX
1000V
200mA MAX
750V
FUSED
Safety Information
NON
RANGE
V
Ω
LOGIC
HOLD
CONTACT
VOLTAGE
A
mA
A
A
mA
V
OFF
V
MAX
A
auto-off
CAT 1000V
CAT 600V
CAT 300V
A
COM
1000V
2A MAX
750V
FUSED
NON
RANGE
HZ
Ω
Hz Temp
HOLD
CONTACT
VOLTAGE
OFF
V
V
A
A
mA
mA
2A
A
A
mA
400
A
˚C
1000
400
1832
˚F
auto-off
CAT 1000V
CAT 600V
CAT 300V
V
A
COM
MAX
1000V
2A MAX
750V
FUSED
2
Symbols Used in this Manual
B
Battery
T
Double insulated
F
Direct Current
B
Alternating Current
I
Fuse
Complies with EU directives
P
W
Refer to the manual
X
Dangerous Voltage
J
Earth Ground
R
Audible tone
Canadian Standards Association
)
z
Non-contact Voltage
Making Measurements
Verify Instrument Operation
Before attempting to make a measurement, verify that the instrument is operational
and the battery is good. If the instrument is not operational, have it repaired before
attempting to make a measurement.
Range Selection
In addition to autoranging (Models 15XP and 35XP only) you can manually select
and lock a range by pressing the RANGE button. RANGE appears on the display to
indicate that manual ranging is active and the range is locked. When appropriate,
each subsequent press of the range button steps the meter to the next higher
range. When the highest range is reached the next press returns the meter to the
lowest range. To return to autoranging press the RANGE button. If RANGE still
shows on the display, autoranging is not available for the selected function. Use
autorange for all initial measurements. Then, when appropriate, use the RANGE
button to select and lock a range.
To avoid electrical shock while manual ranging, use the display
annunciators to identify the actual range selected.
Correcting an Overload (0o or
An 0o or
-0o
indication may appear on the display to indicate that an overload
condition exists. For voltage and current measurements, an overload should be
immediately corrected by selecting a higher range. If the highest range setting does
not eliminate the overload, interrupt the measurement until the problem is identified
and eliminated. The 0o indication is normal for some functions; for example,
resistance, continuity, and diode test.
Measuring DC VoltageSee Figure -1-
1. Set the Function Switch to v.
2. Select the desired RANGE (5XP only).
3. Connect the test leads: Red to E, Black to COM.
4. Connect the test probes to the circuit test points.
5. Read the display, and, if necessary, correct any overload (0o) conditions.
XW
Warning
-0o
) Indication
W
3
Measuring AC Voltage See Figure -2-
1. Set the Function Switch to V.
2. Select the desired RANGE (5XP only).
3. Connect the test leads: Red to E, Black to COM.
4. Connect the test probes to the circuit test points.
5. Read the display, and, if necessary, correct any overload (0o) conditions.
Preparing for Current Measurements
• Turn off circuit power before connecting the test probes.
• Allow the meter to cool between measurements, if current measurements
approach or exceeds 2 amps.
• A warning tone sounds if you connect a test lead to a current input while a
current function is not selected.
• Open circuit voltage at the measurement point must not exceed 1000 V.
• Always measure current in series with the load. Never measure current across a
voltage source.
Measuring DC CurrentSee Figure -3-
1. Set the Function Switch to a current function, µA, mA, or A.
2. Select the desired RANGE (5XP only).
3. Connect the test leads: Red to mA or A, Black to COM.
4. Turn off power to the circuit being measured.
5. Open the test circuit (X) to establish measurement points.
6. Connect the test probes in series with the load (to the measurement points).
7. Turn on power to the circuit being measured.
8. Read the display, and, if necessary, correct any overload (0o or
-0o
) conditions.
Measuring AC CurrentSee Figure -4-
1. Set the Function Switch to a current function and range, µA, mA, or A.
2. Select the desired RANGE (5XP only).
3. Connect the test leads: Red to mA or A, Black to COM.
4. Turn off power to the circuit being measured.
5. Open the test circuit (X) to establish measurement points.
6. Connect the test probes in series with the load (to the measurement points).
7. Turn on power to the circuit being measured.
8. Read the display, and, if necessary, correct any overload (0o) conditions.
4
Measuring Resistance See Figure -5-
1. Set the Function Switch to Ω.
2. Select the desired RANGE (5XP only).
3. Connect the test leads: Red to E, Black to COM.
4. Turn off power to the circuit being measured. Never measure resistance across
a voltage source or on a powered circuit.
5. Discharge any capacitors that may influence the reading.
6. Connect the test probes across the resistance.
7. Read the display. If 0o appears on the highest range, the resistance is too large
to be measured or the circuit is an open circuit.
Testing for ContinuitySee Figure -6-
1. Set the Function Switch to R.
2. Connect the test leads: Red to E, Black to COM.
3. Turn off power to the circuit being measured.
4. Discharge any capacitors that may influence the reading.
5. Connect the test probes across the resistance.
6. Listen for the tone that indicates continuity (< 40 Ω).
Testing DiodesSee Figure -7-
1. Set the Function Switch to G.
2. Connect the test leads: Red to E, Black to COM.
3. Turn off power to the circuit being measured.
4. Free at least one end of the diode from the circuit.
5. Connect the test probes across the diode.
6. Read the display. A good diode has a forward voltage drop of about 0.6 V. An
open or reverse biased diode will read 0o.
Measuring Capacitance (35XP only)See Figure -8-
1. Set the Function Switch to the P function.
2. Connect the test leads: Red to
4. Turn off power to the circuit being measured.
5. Discharge the capacitor using a 100 kΩ resistor.
6. Free at least one end of the capacitor from the circuit.
7. Connect the test probes across the capacitor.
8. Read the display.
h
Black to COM.
,
5
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