Amprobe 30XR-A Manuale utente

30XR-A

Professional Digital Multimeter

Users Manual

99 Washington Street

Melrose, MA 02176

Fax 781-665-0780

TestEquipmentDepot.com

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MAX

600V

200mA

MAX

FUSED

10A MAX

FUSED

CAT 600V

CAT 300V

HOLD

MIN MAX NON

CONTACT

VOLTAGE

VBATT9V

BATT1.5V

COM

10A

V600

600 200

200

200m200m

20M

20k

200k

200 200m

20m

10 A

200 2m

BATT

OFF

200m

200

20m

10 A

1.5V 9V

MADE IN TAIWAN

PATENTS PENDING

www.amprobe.com

30XR-A

CMY

pn2728917_frontispiece_press.pdfPage 1 8/28/2006 1:31:39 PM

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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

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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.

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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.

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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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Product Maintenance

Cleaning

To clean the meter, use a soft cloth moistened with water. Using benzene, alcohol,

acetone, ether, paint thinner, lacquer thinner, ketone or other solvents may deform

or discolor the meter and its display.

Troubleshooting

If the meter appears to operate improperly, check the following items first.

1. Review the operating instructions to ensure the meter is being used properly.

2. Inspect and test the continuity of the test leads.

3. Make sure the battery is in good condition. The low battery symbol Bappears

when the battery falls below the level where accuracy is guaranteed. Replace a

low-battery immediately.

4. Check the condition of the fuses if the current ranges operate incorrectly.

XWWARNING

To avoid electrical shock remove the test leads from both the

meter and the test circuit before accessing the battery or the

fuses.

Battery and Fuse Replacement See Figure -10-

To access these parts, you must first remove the cover from the battery

compartment. The battery cover is on the rear of the meter and is held in place with

two screws. After removing these screws, you can easily remove and replace the

battery. To replace the mA fuse, pry it from its clips using a small screwdriver. A

spare mA fuse is located between the battery and the mA fuse.

Battery: 9 V NEDA mA Fuse: Fast Blow 250 mA/600 V (Amprobe®FP375)

To replace the 10 A fuse, remove the battery, remove the four rear-case screws,

separate the case, remove the 10 A fuse cover, and remove and replace the 10 A

fuse. Re-install the fuse cover.

10 A Fuse: Fast Blow 10 A/600 V, minimum interrupt rating 30 kA (10 x 38 mm)

fuse (Amprobe®FP160) or equivalent.

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Specifications

General Specifications

Display: 3½ digit liquid crystal display

(LCD) with a maximum reading of

1999.

Polarity: Automatic, positive implied,

negative polarity indication.

Overrange: (OL) or (-OL) is displayed.

Zero: Automatic.

Low battery indication: The Bis

displayed when the battery voltage

drops below the operating level.

Measurement rate: 2.5 per second,

nominal.

Operating environment: 0 °C to 50 °C

at < 70 % R.H.

Storage temperature: -20 °C to 60 °C,

0 to 80 % R.H. with battery removed

from meter.

Temperature Coefficient: 0.1 ×

(specified accuracy) per °C. (0 °C to

18 °C, 28 °C to 50 °C).

Environment: Indoor use, Altitude up to

2000 m

Power: Single standard 9-volt battery,

NEDA 1604, JIS 006P, IEC 6F22.

Battery life: 200 hours typical with

carbon-zinc.

Dimensions: 196 x 92 x 60 mm ( 7.7” x

3.5” x 2.4”).

Weight: Approx. 426 .( 0.94 lb.) without

holster, including battery.

Accessories: One pair test leads

(TL36), 9 V battery (installed), Magna

Grip™Holster, and Operating

Instructions.

Warranty: One (1) Year

Approvals:

>LISTED

950Z P

Safety: Conforms to UL1244;

EN61010-1: Cat II - 600V / Cat III -

300V; Class 2, Pollution degree II.

The 30XR-A 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.

EMC: Conforms to EN61326-1.

This product complies with

requirements of the following European

Community Directives: 89/ 336/ EEC

(Electromagnetic Compatibility) and 73/

23/ EEC (Low Voltage) as amended by

93/ 68/ EEC (CE Marking). However,

electrical noise or intense

electromagnetic fields in the vicinity of

the equipment may disturb the

measurement circuit. Measuring

instruments will also respond to

unwanted signals that may be present

within the measurement circuit. Users

should exercise care and take

appropriate precautions to avoid

misleading results when making

measurements in the presence of

electronic interference.

Electrical Specifications

(at 23 °C ± 5 °C, <75 % R.H. non-

condensing)

DC VOLTS

Ranges: 200 mV, 2 V, 20 , 200 V, 600 V

Accuracy: All ranges, ± (1.0 % rdg +

1 dgt)

Resolution: 100 μV in 200 mV range

Input impedance: 10 MΩ

Overload protection: 200 mV range:

600 V dc or 600 V ac rms 15 seconds.

Other ranges: 600 V dc or 600 V ac rms

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AC VOLTS (45 Hz – 500 Hz)

Ranges: 200 m, 2 V, 20 V, 200 V, 600 V

Accuracy: All ranges, ± (1.5 % rdg +

4 dgts)

Resolution: 100 μV in 200 mV range

Input impedance: 10 MΩ

Overload protection: 200 mV range:

600 V dc or 600 ac rms 15 seconds.

Other ranges: 600 V dc or 600 V ac rms

DC CURRENT

Ranges: 200 µA, 2 mA, 20 mA, 200 mA,

10 A

Accuracy:

200 μA to 200 mA ranges: ± (1.5 % rdg

+ 1 dgt)

10 A range: ± (2.0 % rdg + 3 dgts)

Resolution: 0.1 µA in 200 μA range

Burden voltage:

200 μA Range: 1 mV/ 1 μA

2 mA Range: 100 mV/ 1 mA

20 mA Range: 13 mV/ 1 mA

200 mA: 4.6 mV / 1 mA

10 A: 40 mV / 1 A

Overload Protection:

μA / mA input: F 0.25 A /600 V, Min.

I.R. 30 kA, (6.3x32 mm)

10 A input: F 10 A / 600 V, Min. I.R.

100 kA, (10x38 mm) (10 A for 4 minutes

maximum followed by a 12 minute cooling

period)

AC CURRENT (45 Hz – 500 Hz)

Ranges: 200 μA, 2 mA, 20 mA,

200 mA,10 A

Accuracy:

200 μA to 200 mA ranges: ± (2.0 % rdg

+ 4 dgts)

10 A range: ± (2.5 % rdg + 4 dgts)

Resolution: 0.1 μA in 200 μA range

Burden voltage: See DC Current

Overload Protection:

μA / mA input: F 0.25 A /600 V, Min.

I.R. 30 kA, (6.3x32 mm)

10 A input: F 10 A / 600 V, Min. I.R.

100 kA, (10x38 mm) (10 A for 4 minutes

maximum followed by a 12 minute cooling

period)

RESISTANCE

Ranges: 200 Ω, 2 kΩ, 20 kΩ, 200 kΩ,

2 MΩ, 20 MΩ

Accuracy:

200 Ωto 200 kΩranges: ± (1.0 % rdg

+ 4 dgts)

2 MΩranges: ± (1.5 % rdg + 4 dgts)

20 MΩrange: ± (2.0 % rdg + 5 dgts)

Resolution: 100 mΩin 200 Ωrange

Open circuit volts:

200 Ωrange: 3.0 V dc

Other ranges: 0.3 V dc typical

Overload protection: 600 V dc or

600 V ac rms

CONTINUITY

Audible indication: 75 Ω± 25 Ω

Response time: 100 ms

Overload protection: 600 V dc or

600 V ac rms

DIODE TEST

Test current: 1.0 mA (approximate)

Accuracy: ± (1.5 % rdg + 3 dgts)

Resolution: 0.001 V

Open circuit volts: 3.0 V dc typical

Overload protection: 600 V dc or

600 V ac rms

BATTERY TEST

Ranges: 1.5 V, 9 V

Accuracy: ± (3.5 % rdg + 2 dgts)

Resolution: 1 mV, 10 mV

Load Test current:

1.5 V range: 150 mA typical

9 V range: 5 mA typical

Overload protection: 600 V dc or

600 V ac rms

NON-CONTACT VOLTAGE (NCV)

AC Volts: 70 V to 600 V ac

Red LED and Audible Indicator

REPLACEMENT PARTS

TL36 – Test Lead Set w/ Alligator clips

FP375 - Fuse Pack 250 mA/600 V

(4 each)

FP160 - Fuse Pack 10 A/600 V (2 each)

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MAX

600V

200mA

MAX

FUSED

10A MAX

FUSED

CAT 600V

CAT 300V

HOLD

MIN MAX

NON

CONTACT

VOLTAGE

BATT 9V

BATT 1.5V

COM

10A

600

600 200

200

200m200m

20M

20k

200k

200 200m

20m

20 2

10 A

200 2m

BATT

OFF

200m

200

20m

10 A

1.5V 9V

MAX

600V

200mA

MAX

FUSED

10A MAX

FUSED

CAT 600V

CAT 300V

HOLD

MIN MAX

NON

CONTACT

VOLTAGE

BATT 9V

BATT 1.5V

COM

10A

600

600 200

200

200m200m

20M

20k

200k

200 200m

20m

20 2

10 A

200 2m

BATT

OFF

200m

200

20m

10 A

1.5V 9V

30XR-A

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