Amprobe 30XR-A Manual de usuario
Supplement
© 2006 Amprobe©Test Tools. All rights reserved.
Title: 30XR-A Users Supplement Issue: 1
Part Number: 2728971 Issue Date: 9/06
Print Date: July 2006 Page Count: 1
Revision/Date:
This supplement contains information
necessary to ensure the accuracy of the
above manual.
30XR-A Users Supplement
9/06 1
Change #1
On page 7, under General Specification, change
Operating environment:
From: 0 ºC to 50 ºC at <70% R.H.
To: 0 ºC to 50 ºC at <70% R.H. for all functions
except ranges 10A ranges: 0 ºC to 40 ºC at
<70% R.H.
30XR-A30XR-A
Professional
Digital
Multimeter
with Non-Contact
Voltage Tester
Users Manual
·
Mode d'emploi
·
Bedienungshandbuch
·
Manuale d'Uso
·
Manual de uso
Visit www.amprobe.com for
Catalog
Application notes
Product specifications
Product manuals
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pn2728917_cover_press.pdf 8/28/2006 3:43:24 PM
MAX
600V
600V
200mA
MAX
FUSED
10A MAX
FUSED
CAT 600V
CAT 300V
HOLD
MIN MAX NON
CONTACT
VOLTAGE
VBATT 9V
BATT 1.5V
COM
10A
mA
V600
600 200
200
200m200m
20M
2M
20k
200k
2k
200 200m
20m
20
20
2
2
V
A
10 A
200 2m
BATT
OFF
2m
200m
200
20m
A
10 A
1.5V 9V
MADE IN TAIWAN
PATENTS PENDING
www.amprobe.com
1
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30XR-A
30XR-A
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pn2728917_frontispiece_press.pdfPage 1 8/28/2006 1:31:39 PM
30XR-A
Professional Digital Multimeter
Users Manual
•Mode d’emploi
•Bedienungshandbuch
•Manuale d’Uso
•Manual de uso
PN 2728917
July 2006
©Amprobe®Test Tools.
All rights reserved. Printed in Taiwan.
1
30XR-A Digital Multimeter
Contents
Making Measurements...............................................................................2
Verify Instrument Operation...................................................................2
Correcting an Overload (o) Indication W............................................2
Measuring DC Voltage .................................See Figure -1- ...................2
Measuring AC Voltage .................................See Figure -2-...................2
Preparing for Current Measurements ....................................................2
Measuring DC Current .................................See Figure -3- ...................3
Measuring AC Current .................................See Figure -4-...................3
Measuring Resistance .................................See Figure -5-...................3
Measuring Continuity (<50 Ohms)...............See Figure -6- ...................3
Checking Diodes..........................................See Figure -7- ...................3
Measuring NCV (Non-Contact Voltage)........See Figure -8- ...................4
Testing Battery Voltage (1.5 and 9 volt).......See Figure -9-...................4
Additional Features ....................................................................................4
Product Maintenance..................................................................................5
Battery and Fuse Replacement.....................See Figure -10-.................5
Repair .........................................................................................................5
WARRANTY...........................................................................................6
Electrical Specifications.............................................................................7
XWSafety Information
To Avoid possible electric shock, personal injury, damage to the meter or the
equipment under test, adhere to the following practices:
•Do not exceed the maximum overload limits per function (see specifications)
nor the limits marked on the instrument itself. Never apply more than 600 VDC
between the test lead and earth ground.
•Inspect 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 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 >600 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.
•Do not change the position of the Function/Range Switch while the MIN MAX or
the HOLD feature is enabled. Erroneous readings will result.
•Remove test leads before opening battery or case to change battery or fuses.
Users Manual
2
Symbols Used in this Manual
B Battery WRefer to the manual
TDouble insulated XDangerous Voltage
FDirect Current JEarth Ground
BAlternating Current RAudible tone
P Complies with EU directives
I Fuse
@ Underwriters
Laboratories, Inc
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
you attempting to make a measurement.
Correcting an Overload (0o) Indication W
An oor 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 oindication is normal for some functions; for example,
resistance, continuity, and diode test.
Measuring DC Voltage See Figure -1-
1. Set the Range Switch to an appropriate L range.
Select the highest range and work down if the voltage level is unknown.
2. Connect the Test Leads: Red to VΩG, Black to COM.
3. Connect the Test Probes to the circuit test points.
4. Read the display, and, if necessary, fix any overload (o) conditions.
Measuring AC Voltage See Figure -2-
1. Set the Range Switch to an appropriate K range.
Select the highest range and work down if the voltage level is unknown.
2. Connect the Test Leads: Red to VΩG, Black to COM.
3. Connect the Test Probes to the circuit test points.
4. Read the display, and, if necessary, fix any overload (o) 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 10 amps.
•A warning tone sounds if you connect a test lead to a current input before you
select a current range.
•Open circuit voltage at the measurement point must not exceed 600 V.
•Always measure current in series with the load. Never measure current across
a voltage source.
3
Measuring DC Current See Figure -3-
1. Set the Range Switch to an appropriate Arange.
Select the highest range and work down if the current level is unknown.
2. Connect the Test Leads: Red to mA or 10 A, Black to COM.
3. Turn off power to the circuit being measured.
4. Open the test circuit (X) to establish measurements points.
5. Connect the Test Probes in series with the load.
6. Turn on power to the circuit being measured.
7. Read the display, and, if necessary, fix any overload (o) conditions.
Measuring AC Current See Figure -4-
1. Set the Range Switch to an appropriate ? range.
Select the highest range and work down if the current level is unknown.
2. Connect the Test Leads: Red to mA or 10 A, Black to COM
3. Turn off power to the circuit being measured.
4. Open the test circuit (X) to establish measurements points.
5. Connect the Test Probes in series with the load.
6. Turn on power to the circuit being measured.
7. Read the display, and, if necessary, fix any overload (o) conditions.
Measuring Resistance See Figure -5-
1. Set the Range Switch to an appropriate Ωrange.
Select the highest range and work down if the resistance level is unknown.
2. Connect the Test Leads: Red to VΩG, Black to COM.
3. Turn off power to the circuit being measured. Never measure resistance across
a voltage source or on a powered circuit.
4. Discharge any capacitors that may influence the reading.
5. Connect the Test Probes across the resistance.
6. Read the display. If oappears on the highest range, the resistance is too large
to be measured.
Measuring Continuity (<50 Ohms) See Figure -6-
1. Set the Range Switch to R.
2. Connect the Test Leads: Red to VΩG, 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 (< 50 Ohms).
Checking Diodes See Figure -7-
1. Set the Range Switch to G.
2. Connect the Test Leads: Red to VΩG, 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 o.
4
Measuring NCV (Non-Contact Voltage) See Figure -8-
1. Range switch may be set to OFF or any function/range.
2. Test leads are not used for the NCV test.
3. Press the NCV button. The display goes blank, a tone sounds and the red LED
next to the NCV button on the front panel lights up to verify that the instrument
is operational. While pressing the button hold the top-center of the meter
(sensor location) close to the conductor/circuit in question.
4. If a voltage of in the range of 70 to 600 V ac is present, a tone sounds and the
red LED next to the NCV button on the front panel lights up.
Testing Battery Voltage (1.5 and 9 volt) See Figure -9-
1. Set the Range Switch to the appropriate BATT setting, 1.5 V or 9 V.
2. Connect the Test Leads: Red to BATT 1.5 V or BATT 9 V, Black to COM.
3. Connect the Test Probes across the battery. The meter applies an appropriate
load to the battery.
4. Read the display. A good 1.5 volt battery should measure >1.2 V, and a good
9 volt battery should measure > 7.2 V.
Additional Features
Input Lead Warning
The 30XR-A emits a continuous tone to indicate that the user has placed the unit in
a potentially dangerous configuration. Specifically, a test lead is in a current
connector and the Range Switch is set to measure some other function. If, in this
configuration, the DMM is connected to a voltage source, very high and potentially
dangerous current could result. The meter includes fast acting fuses as additional
protection for all current ranges.
MIN MAX Measurements
XWWARNING
To avoid erronoeus readings, do not change the position of the
Function/Range Switch while the MIN MAX function is enabled.
The MIN MAX function works within the active measurement mode to capture and
display the minimum or maximum reading associated with that measurement.
Pressing the MIN MAX button for less than 1 second enables the function and
shows MIN or MAX along with the appropriate minimum or maximum reading on
the display. Each subsequent press toggles between the two modes. To exit the
function, press the MIN MAX button for more than 1 second.
HOLD Measurements XWWARNING
To avoid erronoeus readings, do not change the position of the
Function/Range Switch while the HOLD function is enabled.
The HOLD function is used to make a measurement and hold the reading after
removing the leads from the test circuit. Pressing the HOLD button during a
measurement will capture and hold the reading. Pressing the HOLD button again
will release the display for subsequent measurements.
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