Sanwa DCL11R Manual

Sanwa Måleudstyr DCL11R

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[1] SAFETY PRECAUTIONS

Before use, read the following safety precautions.

This instruction manual explains how to safely use your new DCL11R digital clamp

meter. Before use, please read this manual thoroughly. After reading it, keep it

together with the product so you can refer to it when necessary. If this product is not

used as specified in this manual, its protection function may be compromised.

To avoid accidental burns or electric shock, always follow any instructions with

“ WARNING” or “ CAUTION” headings.

1-1 Explanation of Warning Symbols

The meanings of the symbols used in this manual and on the product are explained below.

　 : Very important instructions for safe use

•Warning messages are intended to prevent accidents to operating

personnel such as burn and electric shock.

•Caution messages are intended to prevent damage to the instrument.

The meanings of the symbols used exclusively on the product are explained below.

: Symbol requesting reference to the instruction manual before use

: Potential of connection to a power line in live status

: Double in sulation or reinforced insulation

: Power switch : Backlight

1-2 Warning Instructions for Safe Use

To avoid physical injury such as burns or electric shock, be sure to observe

the following instructions when using this instrument.

This instrument is a digital clamp meter for low voltages. It should be

used on power lines with a voltage to ground of 300 Vrms or less.

Pay special attention when measuring voltages of AC 33 Vrms (46.7 V peak)

or DC 70 V or more to avoid injury. Also use insulating protective equipment

as required.

Never use the instrument on power lines that exceed the maximum rated

input current (see 1-3).

Do not use the instrument if the main unit is damaged or broken.

Do not use the instrument with the case or battery compartment cover removed.

Do not hold the measurement clip at any point beyond the barrier.

Do not use the instrument when it or your hand is wet.

Do not attempt to repair or modify the instrument except to replace the batteries.

Be sure to check the instrument before each use and inspect it at least once a year.

10.

Always use the instrument indoors.

11.

To avoid compromising the protection function of this instrument, do not

use it in any way other than instructed in this manual.

Voltage to ground of 300 Vrms or less: When the Y-connection voltage is 415 V,

the voltage to ground is equal to 415 / 3

≒

240 V.

1-3 Overload Protection Input Values

Input Max. rated input current Max. overload protection input

Clamp sensor

AC 320 A AC 350 A

[2] APPLICATIONS AND FEATURES

2-1 Application

This instrument is an AC clamp meter with RMS response that allows you to

measure the current range specified in IEC 61010-1 CAT. III 300 V. It is suitable

for measuring the current of low-voltage power lines and electrical appliances.

2-2 Features

• Safety design that complies with IEC61010-1 CAT. III 300 V

• Compact pocket size

• True RMS conversion

• Auto power OFF (approx. 15 min.) (Disabling also possible)

• Backlight

Measurement Category (Overvoltage Category)

Equipment of CAT II :

Primary cable runs of power-consuming equipment from a wall socket.

Equipment of CAT III :

Primary cable runs of equipment directly connected to a distribution board

and cable runs from a distribution board to wall sockets.

Equipment of CAT IV : Cable runs from an incoming line to a distribution board.

01-1507 2040 6011

Correct

○

Incorrect

Clamping single conductor on

the center of clamp sensor.

Clamping multiple conductors. Force applied to the tip of

clamp sensor.

DCL11R

DIGITAL CLAMP METER

INSTRUCTION MANUAL

Dempa Bldg., 4-4 Sotokanda 2-Chome

Chiyoda-ku, Tokyo, Japan

This manual emplys soy ink.

WARNING

[3] NAME OF COMPONENT UNITS

3-1 Main unit

MAX 300A300V CAT.III

3-2 Display

[4] DESCRIPTION OF FUNCTIONS

4-1 Power button: button

Press the button to switch the power on and off.

4-2 Auto power OFF function

The instrument incorporates the auto power OFF function that turns the

instrument OFF in about 15 minutes after the last operation. This function can

be disabled by switching the instrument ON while holding the button. The

indicator on the display panel is extinguished when the auto power OFF

function is disabled.

4-3 Low battery indication

The indicator lights on the display when the batteries have discharged

down to a supply voltage of about 2.3 V or less. Replace the batteries when

this indicator lights up.

4-4 Data hold function: button

Press the button. TheHOLD indicator lights on the display and the value

displayed at that time is held and will not change even if the measurement

data varies. Pressing the button against extinguishes the

indicator and

the measurement data is no longer held.

4-5 Backlight function button:

Press this button to light the backlight of the display. Pressing the button again

extinguishes the backlight. The backlight is also extinguished automatically in

about 10 seconds after it is lit.

[5] MEASURING PROCEDURE

Do not apply an input voltage exceeding the maximum rated current.

2. During measurement, do not hold the measurement clip at any point beyond the barrier.

5-1 Start-up inspection

Perform the following pre-operational check for safety.

•

Check the external appearance. Check that the main unit is free of abnormality

or damage due to dropping, etc.

•

Check that the indicator is not lit. If it is lit, replace the batteries with new ones.

• Make sure your hands and the instrument are not wet.

*If nothing is displayed on the LCD, the batteries might have been totally discharged.

5-2 Measuring the AC current (ACA measurement)

To improve the measuring accuracy, position the conductor at the center of

the clamp sensor.

Always clamp only one wire at a time. Accurate measurement is impossible if two

or more wires, a cable with multiple conductors or a parallel cord is clamped.

3. Accurate measurement is impossible if the clamp sensor is not closed completely.

Accurate measurement is sometimes impossible near a source of strong

magnetic field such as a transformer or high-current line, near a source of

electromagnetic waves such as radio equipment or near a charged object.

The CT may generate an oscillating sound when a high current is applied.

This is not malfunction.

①

Set the Power switch to ON.

② Open the clamp sensor, catch the single wire to be measured and close the

clamp sensor completely.

③

Read the measurement value.

WARNING

CAUTION

Load

Auto power OFF enabled

AC (Alternate current) Low battery indication

Data HOLD

Unit (ampere)

Numeric value & decimal point

Clamping current sensor

(CT)

Center position indication

Barrier

HOLD button

LCD

Trigger

Power button

Backlight button

− 1 − − 2 −

Produkt Specifikationer

Mærke:	Sanwa
Kategori:	Måleudstyr
Model:	DCL11R

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