VOLTCRAFT VC-655 BT User manual

VC-655 BT

Digital Multimeter

Quick Guide

General Warranty

We warrant that the product will be free from defects in materials and workmanship

for a period of 3 years (1 year for accessories) from the date of purchase of the

product by the original purchaser from our company. This warranty only applies to

the original purchaser and is not transferable to a third party.

If the product proves defective during the warranty period, we will either repair the

defective product without charge for parts and labour, or will provide a replacement

in exchange for the defective product. Parts, modules, and replacement products

used by our company for warranty work may be new or reconditioned like new. All

replaced parts, modules and products become the property of our company.

In order to obtain service under this warranty, the customer must notify our

company of the defect before the expiration of the warranty period. Customer shall

be responsible for packaging and shipping the defective product to the designated

service centre, a copy of the customers proof of purchase is also required.

This warranty shall not apply to any defect, failure or damage caused by improper

use or improper or inadequate maintenance and care. We shall not be obligated to

furnish service under this warranty a) to repair damage resulting from attempts by

personnel other than our company representatives to install, repair or service the

product; b) to repair damage resulting from improper use or connection to

incompatible equipment; c) to repair any damage or malfunction caused by the use

of not our supplies; or d) to service a product that has been modified or integrated

with other products when the effect of such modification or integration increases

the time or difficulty of servicing the product.

Please contact the nearest Sales and Service Offices for services.

Excepting the after-sales services provided in this summary or the applicable

warranty statements, we will not offer any guarantee for maintenance declared or

hinted, including but not limited to the implied guarantee for marketability and

special-purpose acceptability. We should not take any responsibilities for any

indirect, special, or consequent damages.

Table of Contents

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

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

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

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

Main Input Terminals Measurement Limits.............................................................................................. 3

Current Input Terminal Measurement Limits............................................................................................3

Measurement Category................................................................................................................. 3

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

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

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

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

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

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

User Interface.................................................................................................................................8

Power On........................................................................................................................................9

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

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

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

Auto Record............................................................................................................................................. 12

3.Troubleshooting...............................................................................................................14

4.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.

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:

Main Input Terminals Measurement Limits

The Input and COM Input terminals are used for voltage, resistance,

continuity, frequency (period), capacitance, diode, and temperature test measurements.

The Measurement Limit is defined for these terminals:

Input to COM Input Measurement Limit

The measurement limit from Input to COM Input is 1000 VDC or 750

VAC, which is also the maximum voltage measurement. This limit can also be

expressed as 1000 Vpk maximum.

Current Input Terminal Measurement Limits

The measurement limit from 10A input terminal to COM Input terminal is 10 A (DC or

AC).

The measurement limit from μA mAinput terminal to COM Input terminal is 600 mA

(DC or AC).

Note that the current input terminals will always be at approximately the same voltage as

the COM Input terminal.

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.

1.Safety Information

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

2.Quick Start

Foot Stool Adjustment

Unfold the foot stool on the bottom of the multimeter.

Front Panel Overview

Figure 2- 1 Front panel overview

Item

Name

Description

LCD

Display the user interface

Menu selection

Keys

Activate the corresponding menu

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

Power button

Turn on/off the multimeter.

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 or keys to enable manual

range, and increase or decrease the measurement range.

When setting a parameter, press to move the

cursor, press or keys to increase or decrease

the value.

Operation Keys

Run/Stop

Start or stop auto trigger. When the trigger is stopped, the

displayed data will be held.

Record

Access menus of manual record and auto record.

See page 12, Data Record Function.

Utility

Set the auxiliary system function, including Language,

Backlight, Clock, Default, and Serial port.

Math

Perform math operations (Max/Min, dB/dBm) on the

measurement results.

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.

Input Terminals

Signal input terminals, used for AC/DC current, voltage,

resistance, continuity, frequency (period), capacitance,

diode, and temperature test measurements.

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