SIGLENT SDM3065X Manuale utente

Quick Strat

SDM3065X Digital Multimeter

QS06036-E01A

2017 SIGLENT TECHNOLOGIES CO.,LTD

SIGLENT

SDM3065X Quick start I

●The information provided in this manual replaces all

information printed before.

●SIGLENT Company has the rights to change the

specification and the price.

●Contents in this manual are not allowed to be copied, extracted

and translated without permission by the company.

SIGLENT

II SDM3065X Quick Start

General Safety Summary

Read the following safety precautions carefully to avoid any

personal injuries or damages to the instrument and any products

connected to it. To avoid potential hazards, please use the

instrument as specified.

Use proper power line.

It’s only allowed to use the special power line which is approved by

local state.

Ground the instrument.

The instrument is grounded through the protective terra conductor

of the power line. The ground conductor must be connected to the

earth to avoid electric shock. Make sure the instrument is

grounded correctly before connecting its input or output terminals.

Connect the signal wire correctly

The potential of the signal wire is equal to the earth, so do not

connect the signal wire to a high voltage.

Observe all terminal ratings

Please observe all ratings and sign instructions on the instrument

to avoid fire or electric shock. Before connecting the instrument,

please read the manual carefully to gain more information about

the ratings.

Do not operate with suspected failures

If you suspect that the product is damaged, please contact

SIGLENT’s qualified service personnel to inspect it. Any repair and

adjustment to the product or replacing a component should be

done by qualified personnel only.

SIGLENT

SDM3065X Quick Start III

Avoid circuit or wire exposure

Don’t touch exposed contacts or components when the power is

on.

Don’t operate without covers.

Don’t operate the instrument with covers or panels removed.

Use proper fuse.

It’s only allowed to use the specified fuse for the instrument.

Use proper overvoltage protection.

Make sure there is no overvoltage (like voltage caused by thunder

and lightning) reaching to the instrument, otherwise the operator

may suffer an electric shock.

Antistatic protection.

Static electricity will cause damages to the instrument, so test in

antistatic areas as far as possible. Ground its inner and outer

conductors to release the static electricity temporarily before

connecting the cable to the instrument.

Keep good ventilation.

Improper ventilation will cause the rise of the instrument’s

temperature. Keep good ventilation and check the vent and fan

regularly when using it.

Keep the surface of the instrument clean and dry.

Do not operate in wet or damp conditions.

Do not operate in flammable or explosive environment.

The disturbance test of all the models meets the limit values

SIGLENT

IV SDM3065X Quick Start

of A in the standard of EN 61326-1:2013.

Input terminal protection limitation

Protection limitation is defined for the input terminal：

1. Main input（HI and LO）terminal

HI and LO terminals are used for Voltage, Resistance,

Capacitance, Continuity, Frequency, Diode and temperture

measurement. Two protection limitations are defined:

HI-LO protection limitation: 1000VDC or 750AVC. It’s the

maximum measurable voltage. The limitation can be

expressed as 1000Vpk.

LO-ground protection limitation：LO terminal can “float”

500Vpk relative to the ground safely. The maximum protection

limitation of HI terminal relative to the ground is 1000Vpk.

Therefore, the sum of the “float” voltage and the measured

voltage can’t exceed 1000Vpk.

2. Sampling (HISense and LOSense) terminal

HISense and LOSense are used for 4-wire Resistance

measurement. Two protection limitations are defined:

HISense-LOSense protection limitation: 2000Vpk.

LOSense-LOSense protection limitation: 2Vpk.

3. Current input (I) terminal

I and LO terminals are used for current measurement. The

maximum current which go through the I terminal is limited to 10A

by the fuse on the back panel.

SIGLENT

SDM3065X Quick Start V

NOTE:

Voltage on the current input terminal corresponds to voltage on LO

terminal. To keep good protection, only use the fuse of specified

type and level to replace this fuse.

IEC Measurement Category II Overvoltage Protection

SDM3065X Digital Multimeter provides overvoltage protection for

line-voltage mains connections meeting both of the following

conditions to avoid the danger of electric shock：

1. The HI and LO input terminals are connected to the mains

under Measurement Category II conditions as following.

2. The maximum line voltage of the mains is 600VAC.

WARNING:

IEC Measurement Category II includes electrical devices

connected to mains at an outlet on a branch circuit, such as most

small appliances, test equipments, and other devices that plug into

a branch outlet or socket.

SDM3065X is capable of making measurements with the HI and

LO inputs connected to mains in such devices (up to 600VAC) or

the branch outlet itself. However, the HI and LO terminals of

SDM3065X can’t be connected to mains in permanently installed

electrical devices such as the main circuit-breaker panels,

sub-panel disconnected boxes and permanently wired motors.

Such devices and circuits are prone to exceed the protection limits

of SDM3065X.

SIGLENT

VI SDM3065X Quick Start

NOTE:

Voltages above 600VAC only can be measured in circuits that are

isolated from mains. However, there may be transient overvoltage

in circuits that are isolated from mains. SDM3065X is able to

withstand occasional transient overvoltage up to 4000Vpk. Please

don’t use this instrument to measure circuits that transient

overvoltage may exceed this level

SIGLENT

SDM3065X Quick Start VII

Safety Terms and Symbols

Terms in this manual. Terms may appear in this manual:

WARNING: Warning statements indicate the conditions and

behaviors that could result in injury or loss of life.

CAUTION: Caution statements indicate the conditions and

behaviors that could result in damage to this product

or other properties.

CAT I (1000V): IEC Measurement Category I. The highest

measurable voltage is 1000Vpk in the HI-LO terminal.

CAT II (600V): IEC Measurement Category II. Inputs may be

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

conditions.

Terms used on the instrument. Terms may appear on the

instrument:

DANGER indicates an injury or hazard that may immediately

happen.

WARNING indicates an injury or hazard that may not immediately

happen.

CAUTION indicates that a potential damage to the instrument or

other property might occur.

Symbols used on the instrument. Symbols may appear on the

instrument:

Hazardous Protective Warning Test Chassis

Voltage Earth Ground Ground Ground

SIGLENT

VIII SDM3065X Quick Start

Daily Maintenance and Cleaning

Maintenance

When storing or placing the instrument, please avoid the liquid

crystal display from direct sunlight for a long time.

NOTE:

To avoid damages to the instrument or test leads, please don’t

place them in mist, liquid or solvent.

Cleaning

Please often clean the instrument and test leads according to

the use of them.

Wipe the external ash of the instrument and test leads by a soft

rag. Be careful not to scratch the transparent plastic protective

screen when cleaning the liquid crystal screen.

Use a soft rag that has been soaked by water to clean the

instrument after cutting off the power. Or use 75% isopropyl

alcohol of water solvent to get a more thorough cleaning.

NOTE:

To prevent the surface of the instrument or test leads from

damages, please don’t use any corrosive or chemical cleaning

reagents.

Please make sure the instrument is already dry before

restarting it to avoid short circuits or personal injuries caused

by water.

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