Sanwa DCM301 Handleiding

Sanwa Meetapparatuur DCM301

Lees hieronder de 📖 handleiding in het Nederlandse voor Sanwa DCM301 (3 pagina's) in de categorie Meetapparatuur. Deze handleiding was nuttig voor 27 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

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02-2302 2040 6014

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[1] SAFETY PRECAUTIONS

*Before use, read the following safety

precautions.

This instruction manual explains how to use

your digital clamp meter DCM301. Before use,

please read this manual thoroughly to ensure

correct and safe use. After reading it, keep it

together with the product for reference to it

when necessary.

Using the product in a manner not specified in

this manual may cause damage to the protection

function of the product.

The instructions given under the headings of

WARNING and CAUTION must be followed

to prevent accidental and burn electric shock.

1-1 Explanation of Warning Symbols

The meanings of the symbols used in this

manual and attached to the product are as

follows:

: Very important instructions for safe use.

• The warning messages are intended to

prevent accidents to operating personnel

such as burn and electric shock.

• The caution messages are intended to

prevent incorrect handling which may

damage the product.

: High voltage hazard : Ground

: Resistance : Buzzer

: Light : Capacitor

: Double insulation or reinforced insulation

1-2 Warning Messages for Safe Use

The following instructions are intended to

prevent personal injury such as burn and

electric shock.

Be sure to follow them when using the meter.

1. This is a clamp meter for low-voltage

circuits. Never use it on a power line that

exceeds 1000 Vrms voltage to ground.

2. Voltages over AC 30 Vrms (42.4 Vpeak)

or DC 60 V are hazardous to human

body. Take care so as not to touch them.

3. Never input signals exceeding the

maximum rated input value (see 1-3).

4. Never use the meter near equipment

which generates strong electromagnetic

waves or is charged.

5. Never use the meter if the meter or test

leads are damaged or broken.

6. Never use the meter with the case or

battery lid removed.

7. During measurement, keep your fingers

behind the finger guard of test leads

and the barrier of the meter.

8. During measurement, do not change

function switch of the meter.

9. Before starting measurement, make

sure that the function and range are

properly set.

10. Never use the meter when it is wet or

with wet hands.

11.

Be sure to use the specified type of test leads.

12. Never attempt repair or modification,

except for battery replacement.

13. Always conduct start-up inspection and

check the meter at least once a year.

14. This meter is for indoor use only.

1-3 Maximum Overload Protection Input

The maximum rated input value and overload

protection have been established for the input

terminals of each function.

Function

Signal Input

Terminal

Max. Rated

Input Value

Max. Overload

Protection

ACA

Clamp type

current

sensor (CT)

1000 Arms

, ,

Between +

and –

terminals

Do not input

voltage DC/AC

1000 Vrms

ACV,

DCV, EF

DC/AC

1000 Vrms

[2] APPLICATIONS AND FEATURES

2-1 Applications

This is a digital AC clamp meter designed for

measurement of low-voltage circuits in the

application range of 1000 V CAT. III, 600 V CAT.

IV. It is suited to current and voltage measurement

of power lines, electrical equipment, and electrical

facilities less than 1000 Vrms to ground.

2-2 Features

• The CT shape makes it easier to clamp cable

in crowded.

•

Complies with IEC61010 CAT. IV and can

measure up to 1000 A AC for use in various sites.

• True RMS reading for measurement of even

distorted waveforms.

• An electric field (EF) function is incorporated

in the tip of the CT to enable detection of

about AC 90V or more.

•

Clamp opening diameter of 34 mm at maximum.

• Large, easy-to-press HOLD button.

•

Equipped with LCD backlight convenient for

measurement in dark places. Also incorporates an

LED light to illuminate the measurement target.

Measurement categories (Overvoltage

categories)

CAT. II :

Primary circuit of equipment with a power

cord to be connected to a mains socket.

CAT.III :

Primary circuit of equipment that inputs power

directly from the distributor and the circuit

from the distributor to the mains socket.

CAT.IV :

Circuit from the leading wire to the distributor.

[3] NAMES OF COMPONENT UNITS

3-1 Main unit

3-2 Display

VAΩm

HOLDAUTO

nµ FMk Hz

3-3 Test Lead

In case of test pins cover attached:

CAT.IV 600 V, CAT.III 1000 V

In case of test pins cover removed:

CAT.II 1000 V

[4] DESCRIPTION OF FUNCTION

4-1 Power Switch and function switch

(for all functions)

Turn this switch to turn on and off the power

and select a measuring function.

4-2 Data Hold function: HOLD button

(for functions except EF)

When the HOLD button is pressed, the reading

indicated will be held with on the

display. The indicated reading will not change if

the input signal is changed. When this button is

pressed again, the function will be disabled and

the meter will return to the measurement mode.

Remarks:

• The function will be canceled at changing

measurement functions.

4-3 LIGHT function: Light button

Press the LIGHT button to turn on the display’s

backlight and the LED light. Press it again to

turn them off. The lights will go off automatically

after 30 seconds.

4-4

How to select the measurement function:

SELECT button (ACA, , ACV)

Press the SELECT button to cycle through the

functions in the order shown below.

　ACA : ACA → Hz → ACA

　 : → →

　ACV : ACV → Hz → ACV

4-5 Range Hold function:

RANGE HOLD button (ACA, , ACV, DCV)

Press the RANGE HOLD button to enter the

Manual mode and set the range ( AUTO in the

display disappears). In the Manual mode, the

range changes every time this button is pressed.

Select the appropriate range while checking the

displayed unit and position of the decimal point

in the digits. To restore the Auto Range mode,

press and hold this button for more than 1

second ( AUTO is displayed in the display).

4-6

Relative function:

RELATIVE button (ACA, , ACV, DCV)

Press the RELATIVE button; “ ” will be

displayed in the display and the digits will show

a relative value — which is derived from the

input value when the button is pressed set at 0

(reference). Press the button again to cancel

this function.

4-7 AUTO POWER OFF function

The meter will go to AUTO POWER OFF function

to save battery life about 10 minutes after the

last function switch or button operation. To wake

up the meter, press any button or re-power on.

turns on while activating the function.

Remarks:

• Even in the AUTO POWER OFF mode, the tiny

power is still consumed. When the meter is not

going to be used for an extended period of

time, be sure to turn off the power switch.

• To disable the function, turn on the power of

meter while holding the SELECT button

pressed. on the display is turned off when

the AUTO POWER OFF function is disabled.

4-8 Low Battery indication

W h en t he b u il t - i n b a t t e r i es h a ve b e en

discharged and the voltage has dropped to

below about 3.6 V, appears on the display.

When the mark flickers or lights, replace both

three batteries with new ones.

[5] MEASURING PROCEDURE

5-1 Start-up Inspection

A l w ays p er for m t h e f o l lowi n g s t a r t - u p

inspection to ensure safety.

• External appearance: Make sure that there

are no visible abnormalities on the meter that

may have been caused by dropping it or

other mishandling.

• Accessories: Make sure that the test leads

a n d o t h e r a c c e s s or i e s a r e f r e e f r o m

breakage, cracks, or any damage.

• Make sure that the low battery indication is

not di s p l ayed in t h e dis p l a y. If is

displayed, replace the batteries with new

ones. Before first use, install the batteries.

• Make sure that neither the meter nor your

hand is wet.

* If nothing is displayed in the display, the

batteries may be drained.

5-2 AC Current / Frequency Measurement:

ACA / Hz

Remove the test leads from the measuring

terminals to avoid electric shock.

Function Max. Rated Input Value

ACA 1000 A

Hz 2 kHz

DIGITAL CLAMP METER

INSTRUCTION MANUAL

DCM301

Remarks:

•

Clamp the conductor (cable) to measure in the

middle of the center position mark on the CT.

•

Clamp only one cable. If several cables are

clam ped together or du pl ex, t riplex or

quadruplex cable are clamped, current

cannot be measured accurately.

•

The meter may malfunction in places where a

strong magnetic field is present.

•

Do not apply voltage and current at the same time.

5-3 Capacitance Measurement:

Never apply a voltage to the input terminals.

1. Di s c h a r g e t h e c a p a c i t o r s b e f or e

measurement.

2. This meter uses a measurement method

that applies currents to the measured

capacitor. It is not suitable for measurement

of electrolytic capacitors with high leakage

currents since errors will be too large.

3. It takes longer to measure capacitors with

large capacitance.

Function Max. Rated Input Value

60.00 mF

＋−

5-4 Resistance Measurement, Continuity

Check: ・

Never apply a voltage to the input terminals.

Function Max. Rated Input Value

60.00 MΩ

600.0 Ω

Dempa Bldg., 4-4 Sotokanda 2-Chome Chiyoda-ku, Tokyo, Japan

- MEMO - WARNING

WARNING

CAUTION

WARNING

AUTO RANGE

Continuity

check

Polarity

(-)

Decimal

point

Digit

Relative value UNIT

DATA HOLD

Removal test pins cover Test probe(red)

Test probe(black)

Test pins

Finger

guards

Plugs

Low battery

indication

AUTO POWER OFF

Clamp type current

sensor (CT)

LED light

Center position mark

Electric Field (EF)

sensor position mark

Power /

Function switch

EF detection LED

Barrier

CT trigger

Light button

HOLD button

Display

RANGEHOLD button

SELECT button

RELATIVE button

Input Terminal ( - )

Input Terminal (+)

Please contact Sanwa au th orized 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.

Remarks:

1) Prior to requesting repair, please check the

following: Capacity of the built-in battery, polarity

of installation and discontinuity of the test leads.

Repair during the warranty period: The failed meter

will be repaired in accordance with the conditions

stipulated in 7-1 Warranty and Provision.

Repair after the warranty period has expired: In

some cases, repair and transportation cost may

become higher than the price of the product.

Please contact Sanwa authorized agent /

distributor / service provider in advance.

The minimum retention period of service functional

parts is 6 years after the discontinuation of

manufacture. This retention period is the repair

warranty period. Please note, however, if such

functional parts become unavailable for reasons of

discontinuation of manufacture, etc., the retention

period may become shorter accordingly.

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

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

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

[8] SPECIFICATIONS

5-5 AC Voltage / Currency Measurement:

ACV / Hz

DC Voltage Measurement: DCV

Never u s e t he met er in p ow e r l i n e s

exceeding 1000 V to ground.

Function Max. Rated Input Value

ACV 1000 V

Hz 10 kHz

Function Max. Rated Input Value

DCV 1000 V

5-6

Detection of Electricity:

EF (Electric Field)

1. Before performing detection of electricity,

check that the meter works properly with

a known power source.

2. When performing detection of electricity,

do not hold t he met er at any point

beyond the barrier.

3. Even if no voltage is detected, do not

touch the conductors or devices because

a voltage below sensing threshold may

be present. Always use caution.

Bring the "EF" marking on the CT close to or in

contact with the object to be measured. When the

sensor is brought to the ungrounded (hot) side, “-”

is displayed in front of the digits in the display, the

buzzer sounds, and the EF detection LED flickers.

On the grounded side, “EF” remains displayed

and the buzzer does not sound. The higher the

voltage to be detected, the larger the “-” digits in

the display. The rate of intermittent activation of

the buzzer and LED will also increase.

Notes:

•

In case the wiring is long, etc, EF may switch to "-"

digits even on the ground wire.

•

If the EF sensor is brought in contact with the

housing of ungrounded measured equipment or if

you touch it with your hand when “EF” displayed in

the display, “-” digits may be displayed and the

buzzer may sound.

•

The "-" may be displayed even tens of cm away

from equipment such as a high-frequency devices

since the function is high sensitivity.

[6] MAINTENANCE

1. The following instructions are very

important for safety. Read this manual

thoroughly to ensure correct maintenance.

2. Calibrate and inspect the meter at least

once a year to ensure safety and maintain

its accuracy.

6-1 Maintenance and Inspection

1) Appearance:

•

Is the meter not damaged due to falling or

other cause?

2) Test leads:

•

Are the core wires not exposed at any place

of the test leads?

•

Is the plug when inserted to the input

terminal not loose?

If any of the above problems exists, stop using

the meter and request for repair.

6-2 Calibration and Inspection

For more information, please contact Sanwa’ s

authorized agent / distributor service provider,

listed in our website. See section 7-3.

6-3 Storage

1. The panel and case are not resistant to

volatile solvent and must not be cleaned

with thinner or alcohol.

2. The panel and case are not resistant to

heat. Do not place the meter near heat-

generating devices.

3. Do not store the meter in a place where

it may be subjected to vibration or from

where it may fall.

4. Do not store the meter in places under

direct sunlight, or hot, cold or humid

places or places where condensation is

anticipated.

5. If the meter will not be used for a long

time, remove the batteries.

6-4 Battery Replacement

To avoid electric shock, do not remove the

battery lid with an input being applied to

the measuring terminals. Also, before

starting replacement, make sure the power

of the meter is OFF.

1. Turn the fixing screw (x1) on the battery lid

with a Phillips screwdriver.

2. When the battery lid becomes loose, remove it.

3. Replace all 3 batteries in the battery holder

with new ones. Ensure correct polarity.

4. Place the battery lid on the battery holder

and tighten the fixing screw to secure.

[7] AFTER-SALE SERVICE

− 7 − − 8 − − 9 − − 10 − − 11 −

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.

A failure due to inadequate repair or modification

by people other than Sanwa service personnel.

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. Cu stomer nam e, address, an d contact

information

2. Description of problem

3. Description of product configuration

4. Model Number

5. Product Serial Number

6. Proof of Date-of-Purchase

7. Where you purchased the product

8-1 General Specifications

Operation

method

Δ—∑ method

AC measuring True RMS method

Display 6000 counts max.

(ACA, , , , ACV,

DCV functions)

9999 counts max.

(Hz function)

Sampling rate Approx. 3 times / sec.

Over-range “OL” indication

Range selection Auto and Manual

Polarity switching Auto (- indication)

Low Battery

indication

lights when built-in battery

voltage is 3.6 V or below

Current

measurement

system

Clamp type current sensor

(CT)

Max. clamp

conductor

diameter

Opening diameter

— Approx. ø34 mm

Environmental

condition

Altitude — 2000 m or less,

indoor use, environmental

pollution degree II

Operating

temperature

5 ºC to 40 ºC.

Humidity range is as

follows (without

condensation):

Max. 80 %RH for

temperatures up to

31 °C decreasing linearly

to 50 % RH at 40 °C

Storage

temperature

-10 ºC to 40 ºC: ≤80 %RH

(without condensation).

40 ºC to 50 ºC: ≤70 %RH

(without condensation).

Power supply LR03 (AAA alkaline

battery) x 3

Auto Power Off Power turned off approx.

10 min. after last operation

TYP 15 µA or less

Current

consumption/

Battery life

App r ox. 3.8 mA T Y P /

Approx. 200 hours

ACA function, no load,

when backlight is off

Dimensions &

mass

252 x

85 x

40 mm

Approx. 360 g (batteries

included)

Safety standards IEC61010-1 CAT. Ⅲ 1000

V, CAT. 600 VⅣ

IEC61010-2-032

IEC61010-031

EMC Directive/

RoHS Directive

IEC61326-1 EMC（）

EN50581 RoHS（）

Standard

Accessories

Manual,

LR03 (AAA alkaline

battery) x 3

Test leads (ATL101),

Carrying case (C202)

8-2 Measuring Range and Accuracy

Accuracy assurance temperature/humidity range:

23 ±5 °C, 80 % RH or less (no condensation)

Battery voltage — 3.6 V or more

rdg (reading): Read value

dgt (digit): Number of counts of last digit

ACA

Function

Range Accuracy

ACA

60.00 A 50 / 60 Hz :

± (2.5 %rdg + 5 dgt)

45 Hz

～

400 Hz

± (3.0 %rdg + 5 dgt)

600.0 A

1000 A

Notes:

• T he accuracy shown above is when the

conductor to be measured is in the center of

the CT.

• If it is not in the center, add 3 % to the above

accuracy values.

• ACA : Less than 10 % of each range’s full

sc ale valu e is not sub jec t t o ac cura cy

assurance.

• Crest factor : 2 or less (full scale)

4 or less (half scale)

Capacitance :

Function

Range Accuracy

60.00 nF

± 4.0 %rdg + 3 dgt（）

600.0 nF

6.000 µF

60.00 µF

600.0 µF

6.000 mF

60.00 mF

±（6.0 %rdg + 3 dgt）

Resistance :

Function

Range Accuracy

6.000 kΩ

± 2.0 %rdg + 5 dgt（）

60.00 kΩ

600.0 kΩ

6.000 MΩ

60.00 MΩ ± 5.0 %rdg + 5 dgt（）

600.0 Ω Buzzer sounds at approx.

30 Ω or less

Note:

• Open-circuit voltage: Approx. 1 V or less.

ACV

Function

Range Accuracy

ACV

6.000 V

45 Hz 1 kHz～：

　（）± 1.5 %rdg + 3 dgt

60.00 V

600.0 V

1000 V

Notes:

• ACV: Less than 10% of each range’s full

sc ale valu e is not sub jec t t o ac cura cy

assurance.

• Crest factor : 2 or less (full scale)

4 or less (half scale)

DCV

Function

Range Accuracy

DCV

6.000 V

± 1.0 %rdg + 3 dgt（）

60.00 V

600.0 V

1000 V

Frequency: Hz

Range Input

sensitivity

Measurable

frequency

Accuracy

6.000 V 3 V

10 Hz ～

10 kHz

±(1.0 %rdg +

5 dgt)

60.00 V 10 V

600.0 V 100 V

1000 V 100 V

60.00 A 2 A

10 Hz

～

2 kHz

600.0 A 10 A

1000 A 100 A

Note:

• The input sensitivity is specified as the RMS

value of the sine wave.

Detection of Electricity: EF (Electric Field)

Detects AC voltage and electric field of approx.

90 V or more

Note:

• Detectable frequency: 50 Hz / 60 Hz.

Accuracy calculation method

Example) AC voltage measurement (ACV)

Displayed value: 100.0 V

Range accuracy: 600.0 V range ±(1.5 %rdg + 3 dgt)

Error: ±(100.0 V x 1.5% + 3 dgt) = ±1.8 V

True value: 100.0 V ±1.8 V (between 98.2 ~ 101.8 V)

* In the 600.0 V range, 3 dgt corresponds to 0.3 V

Specifications and external appearance of

the product described above may be

revised for modification without prior notice.

− 6 −

WARNING

CAUTION

below 30 ohm

Sensor position

“EF”

Ungrounded (hot)

side

battery lid

Battery holder

Fixing screw

Product specificaties

Merk:	Sanwa
Categorie:	Meetapparatuur
Model:	DCM301

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