VOLTCRAFT VC-7200BT Manuale utente

Digital Multimeters

Quick Guide

■VC-7060BT

■VC-7200BT

Table of Contents

1.Safety Information ......................................................................................................1

Safety Terms and Symbols .....................................................................................................1

General Safety Requirements ................................................................................................2

Measurement Limits ..............................................................................................................3

Main Input Terminals (HI Input and LO Input) Measurement Limits ....................................................... 3

Current Input Terminal (I) Measurement Limits ...................................................................................... 3

Sense Terminals (HI Sense and LO Sense) Measurement Limits.............................................................. 4

Measurement Category .........................................................................................................4

2.Quick Start..................................................................................................................5

General Inspection.................................................................................................................5

Dimensions............................................................................................................................5

Foot Stool Adjustment ...........................................................................................................6

Front Panel Overview ............................................................................................................6

Rear Panel Overview..............................................................................................................8

User Interface ........................................................................................................................9

Power On.............................................................................................................................10

Measurement Connections .................................................................................................. 10

Data Record Function .......................................................................................................... 12

Manual Record ....................................................................................................................................... 12

Auto Record............................................................................................................................................ 13

Troubleshooting ..................................................................................................................14

3.Appendix...................................................................................................................15

Appendix A:Enclosure .........................................................................................................15

Appendix B:General Care and Cleaning ............................................................................... 15

Appendix C:Line Fuse Replacement..................................................................................... 16

1.Safety Information

1. Safety Information

Safety Terms and Symbols

Safety Terms

Terms in this Manual. The following terms may appear in this manual:

Warning: Warning indicates the conditions or practices that could result in

injury or loss of life.

Caution: Caution indicates the conditions or practices that could result in

damage to this product or other property.

Terms on the Product. The following terms may appear on this product:

Danger: It indicates an injury or hazard may immediately happen.

Warning: It indicates an injury or hazard may be accessible potentially.

Caution: It indicates a potential damage to the instrument or other property might occur.

Safety Symbols

Symbols on the Product. The following symbol may appear on the product:

Direct current (DC) Warning, risk of electric shock

Alternating current (AC)

Caution, risk of danger (refer to this

manual for specific Warning or

Caution information)

Both direct and

alternating current

Conforms to European Union

directives

Ground terminal Chassis Ground

IEC Measurement Category I. The maximum measurable

voltage is 1000 Vpk in the HI -LO terminal.

IEC Measurement Category II. Inputs may be connected to AC

mains power (up to 600 VAC) under Category II overvoltage

conditions.

This product complies with the WEEE Directive (2012/19/EC)

marking equipment. The affixed product label indicates that

you must not discard this electrical/electronic product in

domestic household waste.

1.Safety Information

General Safety Requirements

Before any operations, please read the following safety precautions to avoid any

possible bodily injury and prevent this product or any other products connected from

damage. In order to avoid any contingent danger, this product is only used within the

range specified.

Check AC power input setting according to the standards in your own country.

Use Proper Power Cord. Use only the power cord supplied with the product and

certified to use in your country.

Product Grounded. This instrument is grounded through the power cord grounding

conductor. To avoid electric shock, the grounding conductor must be grounded. The

product must be grounded properly before any connection with its input or output

terminal.

Limit operation to the specified measurement category, voltage, or amperage

ratings.

Check all Terminal Ratings. To avoid instrument damage and the risk of electric shock,

check all the Measurement Limits and markers of this product. Refer to the user's

manual for the Measurement Limits before connecting to the instrument. Do not

exceed any of the Measurement Limits defined in the following section.

Do not operate without covers. Do not operate the instrument with covers or panels

removed.

Use Proper Fuse. Use only the specified type and rating fuse for this instrument.

Avoid exposed circuit. Do not touch exposed junctions and components when the

instrument is powered.

Do not operate if in any doubt. If you suspect damage occurs to the instrument,

have it inspected by qualified service personnel before further operations.

Use your instrument in a well-ventilated area. Inadequate ventilation may cause

increasing of temperature or damages to the device. Please keep well ventilated and

inspect the intake regularly.

Do not operate in wet conditions. In order to avoid short circuiting to the interior of

the device or electric shock, please do not operate in a humid environment.

Do not operate in an explosive atmosphere.

Keep product surfaces clean and dry.

Only the qualified technicians can implement the maintenance.

1.Safety Information

Measurement Limits

The protection circuitry of the multimeter can prevent damage to the instrument and

protect against the danger of electric shock, when the Measurement Limits are not

exceeded. To ensure safe operation of the instrument, do not exceed the Measurement

Limits shown on the front panel, it is defined as follows:

The user-replaceable 10 A current-protection fuse is on the front panel. To maintain

protection, replace fuse only with fuse of the specified type and rating. About the

specified type and rating of the fuse, please refer to "7 Current Terminal Fuse" in "Front

Panel Overview" on page 7.

Main Input Terminals (HI Input and LO Input) Measurement Limits

The HI and LO input terminals are used for voltage, resistance, continuity, frequency

(period), capacitance, diode, and temperature test measurements. Two Measurement

Limits are defined for these terminals:

HI Input to LO Input Measurement Limit

The Measurement Limit from HI Input to LO Input is 1000 VDC or 750 VAC, which is

also the maximum voltage measurement. This limit can also be expressed as 1000

Vpk maximum.

LO Input to Ground Measurement Limit

The LO input terminal can safely "float" a maximum of 500 Vpk relative to ground,

where ground is defined as the Protective Earth Conductor in the AC mains power

cord connected to the instrument.

As implied by the above limits, the Measurement Limit for the HI input terminal is a

maximum of 1500 Vpk relative to ground when LO Input is at its maximum of 500 Vpk

relative to ground.

Current Input Terminal (I) Measurement Limits

The Measurement Limit from the current input terminal (I) to the LO Input terminal is 10

A (DC or AC). Note that the current input terminals will always be at approximately the

1.Safety Information

same voltage as the LO Input terminal, unless a current protection fuse is open.

Sense Terminals (HI Sense and LO Sense) Measurement Limits

The HI and LO sense terminals are used for four-wire resistance measurements.

The Measurement Limit from HI Sense to LO Input is 200 Vpk.

The Measurement Limit from HI Sense to LO Sense is 200 Vpk.

The Measurement Limit from LO Sense to LO Input is 2 Vpk.

Note: The 200 Vpk limit on the sense terminals is the Measurement Limit. Operational

voltages in resistance measurements are much lower – up to ± 12 V in normal operation.

Measurement Category

The safety rating of the multimeter:

1000 V, CAT I

IEC Measurement Category I. The maximum measurable voltage is 1000 Vpk in the HI -LO

terminal.

600 V, CAT II

IEC Measurement Category II. Inputs may be connected to AC mains power (up to 600

VAC) under Category II overvoltage conditions.

Measurement category definition

Measurement CAT I applies to measurements performed on circuits not directly

connected to the AC mains. Examples are measurements on circuits not derived from the

AC mains and specially protected (internal) mains- derived circuits.

Measurement CAT II applies to protect against transients from energy-consuming

equipment supplied from the fixed installation, such as TVs, PCs, portable tools, and

other household circuits.

Measurement CAT III applies to protect against transients in equipment in fixed

equipment installations, such as distribution panels, feeders and short branch circuits,

and lighting systems in large buildings.

Measurement CAT IV applies to measurements performed at the source of the low-

voltage installation. Examples are electricity meters and measurements on primary over

current protection devices and ripple control units.

2.Quick Start

2. Quick Start

General Inspection

After you get a new multimeter, it is recommended that you should make a check on the

instrument according to the following steps:

1. Check whether there is any damage caused by transportation.

If it is found that the packaging carton or the foamed plastic protection cushion has

suffered serious damage, do not throw it away first till the complete device and its

accessories succeed in the electrical and mechanical property tests.

2. Check the Accessories

The supplied accessories have been already described in the Appendix A: Enclosure

of this Manual. You can check whether there is any loss of accessories with reference

to this description. If it is found that there is any accessory lost or damaged, please

get in touch with our distributor responsible for this service or our local offices.

3. Check the Complete Instrument

If it is found that there is damage to the appearance of the instrument, or the

instrument cannot work normally, or fails in the performance test, please get in

touch with our distributor responsible for this business or our local offices. If there is

damage to the instrument caused by the transportation, please keep the package.

With the transportation department or our distributor responsible for this business

informed about it, a repairing or replacement of the instrument will be arranged by

us.

Dimensions

235 mm

110 mm

2.Quick Start

295 mm

(VC-7200BT, for example)

Foot Stool Adjustment

Unfold the foot stool on the bottom of the multimeter.

Front Panel Overview

910 13

Figure 2-1 Front panel overview (VC-7060BT, for example)

Item

Name

Description

LCD

Display the user interface

Menu selection

Keys

Activate the corresponding menu

Operation Keys

Save

Collect data in manual record. The instrument saves

current reading each time the Save key is pressed. See

page 12, Manual Record.

2.Quick Start

Record

Access menus of manual record and auto record.

See page 12, Data Record Function.

Run/Stop

When the trigger source is set as Auto, start or stop auto

trigger.

When the trigger source is set as Single

, the instrument

issues one trigger each time this key is pressed.

Math

Perform math operations (statistic, limits, dB/dBm, REL) on

the measurement results.

Utility

Set the auxiliary system function, including Language,

Backlight, Clock, SCPI, Set to default, System information,

LCD test, Key test.

Port

Set Serial, Trigger, Output connector, Net Type.

HI and LO Sense

Terminals

Signal input terminals, used for four-wire resistance

measurements.

HI and LO Input

Terminals

Signal input terminals, used for voltage, resistance,

continuity, frequency (period), capacitance, diode, and

temperature test measurements.

Range/Direction Keys

When the Range softkey is shown on the right menu, you

can press the key to switch between auto and

manual range. Press to enable manual range, and

increase or decrease the measurement range.

When setting a parameter, press to move the cursor,

press to increase or decrease the value.

Current Terminal

Fuse

The rating is 10 A, 250 VAC.

To replace the fuse:

Turn off the multimeter and remove the power cord. Use a

flat-blade screw driver to turn the fuse holder

counter-clockwise, and pull out the fuse holder. Put the

new specified fuse into the fuse holder, and insert the

assembly back into the instrument, turning the fuse holder

clockwise to lock it in place.

AC/DC Current Input

Terminals

Signal input terminals, used for AC/DC current

measurements.

Power button

Turn on/off the multimeter.

2.Quick Start

Measurement

Function Keys DC or AC voltage measurements

DC or AC current measurements

Resistance, continuity, and diode measurements

Capacitance measurements

Frequency/Period measurements

Temperature measurements

Graph

Choose what is displayed: number, bar meter, trend chart,

or histogram.

Dual

Press this key to display the function list on the right menu,

select a function, if the function is supported, the reading

will be displayed in the Vice Display.

USB Connector

Connect with an external USB device, such as connect a

USB memory device to the instrument.

Rear Panel Overview

Figure 2-2 Rear panel overview

Item

Name

Description

External Trigger

Input

Trigger the multimeter by connecting a trigger pulse. The

external trigger source must be selected.

(→ Trigger →Source (External) )

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