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 −

①

Using a Phillips screwdriver, remove the

fi x i n g sc re w (x 1) f ro m t h e b at t ery

compartment cover.

② Remove the battery compartment cover.

③

Replace both of the batteries in the

b at t e r y h o l d e r w i t h n e w o n e s b y

observing the correct polarity.

④

Place the battery compartment cover

and tighten th e fixin g screw in the

original position.

[6] MAINTENANCE

1. This section is very important for safety. Read and understand the following

instructions fully and maintain your instrument properly.

2. To maintain safety and accuracy, calibrate and inspect the instrument at

least every year.

6-1 Maintenance and Inspection

Before use, check the instrument to confirm that there is no abnormality and that

the CT can be opened and closed smoothly. If anything is abnormal, do not use the

instrument and return it to your authorized Sanwa agent or distributor for repair.

6-2 Calibration

For more information, please contact Sanwa’s authorized agent / distribute

service provider, listed in our website. See section 7-3.　

6-3 Cleaning and Storage

1. The panel and case are not resistant to volatile solvent and must not be

cleaned with thinner or alcohol. If the instrument gets dirty, wipe with a soft

cloth moistened with a small amount of water.

2. The panel and case are not resistant to heat. Do not place the instrument

near heat-generating devices (such as a soldering iron).

Do not store the instrument anywhere it may be subject to vibrations or could fall.

4. When storing the instrument, avoid hot, cold or humid locations, locations

exposed to direct sunlight, or locations where condensation is anticipated.

5. When the instrument is not going to be used for an extended time, be sure

to remove the batteries.

6-4 Battery replacement

• Batteries shipped with the instrument

The batteries loaded at the factory are monitor batteries, so their service life

may be shorter than that of brand-new batteries. Monitor batteries are a type

of battery used to check the functions and performance of a product.

To avoid electric shock, do not remove the battery compartment cover while an

input is applied to the clamp sensor or the instrument is measuring something.

Make sure that the instrument is set to OFF before replacing the batteries.

[7] AFTER-SALE SERVICE

7-1 Warranty and provision

Sanwa offers comprehensive warranty services to its end-users and to its

product resellers. Under Sanwa's general warranty policy, each instrument is

warranted to be free from defects in workmanship or material under normal use

for the period of one (1) year from the date of purchase.

This warranty policy is valid within the country of purchase only, and applied

only to the product purchased from Sanwa authorized agent or distributor.

Sanwa reserves the right to inspect all warranty claims to determine the extent

to which the warranty policy shall apply. This warranty shall not apply to

disposables batteries, or any product or parts, which have been subject to one

of the following causes:

1. A failure due to improper handling or use that deviates from the instruction manual.

2. A failure due to inadequate repair or modification by people other than Sanwa

service personnel.

3. A failure due to causes not attributable to this product such as fire, flood and

other natural disaster.

4. Non-operation due to a discharged battery.

5. A failure or damage due to transportation, relocation or dropping after the

purchase.

7-2 Repair

Customers are asked to provide the following information when requesting

services:

1. Customer name, address, and contact information

2. Description of the problem

3. Description of the product configuration

4. Model Number

5. Product Serial Number

6. Proof of Date-of-Purchase

7. Where you purchased the product

　Please contact Sanwa authorized agent / distributor / service provider, listed

in our website, in your country with above information. An instrument sent to

Sanwa / agent / distributor without above information will be returned to the

customer.

Note:

1) Prior to requesting repair, please check the following:

Capacity of the built-in battery, polarity of installation and discontinuity of the

test leads.

2) Repair during the warranty period:

The failed instrument will be repaired in accordance with the conditions

stipulated in 7-1 Warranty and provision.

3) Repair after the warranty period has expired:

•

If it is expected that servicing can restore the original functioning of the

product

we will service it for a price upon request of the user.

WARNING

CAUTION

WARNING

•

The service charge or transport freight could sometimes become higher than the

product price. Please consult us before asking for servicing.

• The minimum retention period of the servicing performance parts of this

product is six (6) years after the discontinuation of production. This period is

equal to the servicing available period. However, the retention period of a part

may be reduced if it becomes unavailable due to discontinuation of production

of the part manufacturer, etc.

4) Precautions when sending the product to be repaired:

To ensure the safety of the product during transportation, place the product in

a box that is larger than the product 5 times or more in volume and fill cushion

materials fully and then clearly mark “Repair Product Enclosed” on the box

surface. The cost of sending and returning the product shall be borne by the

customer.

7-3 SANWA web site

http://www.sanwa-meter.co.jp

E-mail: exp_sales@sanwa-meter.co.jp

[8] SPECIFICATIONS

8-1 General Specifications

Operation method Δ -Σ method

AC detection method True RMS method (AC coupling)

Display 6000 count

Sampling rate Approx. 2 times/sec

Overload display “OL” on the numeric display

Range selection Auto range

Low battery indication

When the batteries are discharged down to 2.3 V or

less, the indicator lights on the display.

Current measurement

method / aperture

diameter

Clamping current sensor (CT) /

Max. approx. dia. φ22 mm

Operation

environment

Altitude max. 2000 m, indoor use, environmental

pollution degree II.

Operating

temperature/

humidity

Temperature 5 to 40 °C,

Relative humidity max. 80 % RH at 5-31 °C and

decreases linearly through 80 % RH to 50 % RH at

31-40 °C (without condensation)

Storage temperature/

humidity

-10 to 40 °C: Max. 80 % RH (without condensation)

40 to 50 °C: Max. 70 % RH (without condensation)

Power supply “AAA”-size alkaline battery LR03 x 2

Auto power OFF Power off in approx. 15 min. after last operation

Power consumption /

Battery life

Approx. 1.9 mA / Approx. 500 hours (backlight

extinguished)

Dimensions and mass

145 ( )H x 54 x 31 mm, approx. 120 g ( )W( )D

(including batteries)

Safety standards IEC61010-1, IEC61010-2-030 CAT. III 300 V,

IEC61010-2-32

EMC directive IEC61326-1

Accessories Instruction manual, carrying pouch (C-DCL10)

8-2 Measuring ranges and accuracies

Accuracy-guaranteed temperature/humidity range: 23 ±5 °C, max. 80 % RH

(without condensation).

rdg: Reading dgt: digits (lowest digit)

Accuracy-guaranteed range: 1 % to 100 % of measurement range

Crest factor CF: Full-scale CF < 1.6, half scale CF < 3.2

ACA measurement RMS response, AC coupling (sine wave alternate current)

Range Resolution Accuracy: 50/60 Hz Accuracy: 45-400 Hz

60.00 A 0.01 A ±(2.0 %rdg + 5 dgt) ±(3.0 %rdg + 10 dgt)

300.0 A 0.1 A

Accuracy measurement method

(Example) ACA measurement　

Reading: 10.00 A

Range accuracy: 60.00 A range = ±(2 %rdg + 5 dgt)

Error: ±(10.00 A x 2.0 % + 0.01 A + 5) = ±0.25 A

True value: 10.00 A ±0.25 A (in the range from 9.75 to 10.25 A)

* 3 dgt in the 60.00 A range is equivalent to 0.03 A.

* 3 dgt in the 300.00 A range is equivalent to 0.3 A.

Specifications and external appearance of the product described above

may be revised or modified without prior notice.

− 3 − − 4 −

Produkt Specifikationer

Mærke:	Sanwa
Kategori:	Måleudstyr
Model:	DCL11R

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