Sanwa DCM60R Manual

Sanwa Måleudstyr DCM60R

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SANWA ELECTRIC

INSTRUMENT CO.,LTD.

Dempa Bldg,Sotokanda2-Chome

Chiyoda-Ku,Tokyo,Japan

This product has been designed and manufactured in accordance with the safety

standards applicable to IEC 61010-2-32 Electronic Measuring Equipment and

has passed the inspection. Using this product in ways not specified in this

manual may damage its protection function. The instructions given under the

heading of “WARNING ” must be followed to prevent ” and “CAUTION

accidents.

WARNING : Intended to prevent personal injury such as burn and electric

shock and other serious accidents.

CAUTION : Intended to prevent misuse that could result in personal

injury and damage to equipment including this instrument.

Safety Information - Before use, read manual -

Clamp type current sensor (CT)

Max. ø25 mm

Max. 1999 counts, units, symbols

Δ-Σ method

True RMS

2 times/sec

“OL” is displayed

is displayed

When the battery is under approx. 2.2 V,

symbol will appear on the LCD display.

IEC61010-1, IEC61010-2-030 CAT.III 300 V/II 600 V

IEC61010-2-032, IEC61010-2-033, IEC61010-31

Altitude up to 2000 meters, indoor use, pollution degree 2

3700 Vrms

23 °C ± 5 °C,<80 % RH, No condensation

0 °C ~ 40 °C,<80 % RH, No condensation

–10 °C ~ 60 °C,<70 % RH, No condensation

R03 (UM-4) or AAA 1.5 V battery x 2

Approx. 5.0 mW/approx. 250 hr

Approx. 187 ( 0(H) x 5 W) x 29 (D) mm

Approx. 210 g (including battery)

Instruction Manual, Carrying Case (C-DCM60L),

Test Lead (TL-21a)

General Specification

Measurement method:

Clamp opening size:

Digital display:

Operation method:

AC detection method:

Sample rate:

Over-range display:

Data hold:

Low power indication:

Safety standards:

Environmental conditions:

Withstand voltage:

Accuracy assurance

temperature/humidity:

Operating

temperature/humidity:

Storage

temperature/humidity:

Power Source:

Power

consumption/battery life:

Dimensions/Mass:

Accessory:

Specification

The accuracy specification is defined as ±( …%reading+…count )

At 23± 5 ˚C, 󲰂80 %RH

Buzzer sounds at 100 Ω or less.

rdg = reading, dgt = digit

ACV/ACA range: 1 % ~ 100 % of the measurement range

Crest Factor (CF):CF<1.6 at full scale & CF<3.2 at half scale

Measurement Categories (Overvoltage Categories)

This instrument is a true rms AC clamp meter designed in compliance with

IEC61010-1 CAT.III 300 V/CAT. II 600 V. It is suitable for measuring the

current of electrical lines, appliances and power supply facilities operating on

low voltages of no more than 600 V.

CAT. : Primary cable runs of power-consuming equipment from a wall socketII

CAT.III: Primary cable runs of equipment directly connected to a distribution

board and cable runs from a distribution board to wall sockets.

Crest Factor

The CF (crest factor) indicates the peak value of a signal by dividing it by its

root-mean-square value. With most common waveforms such as sinusoidal

wave and chopping wave, the crest factor is low. With low duty cycle pulse

waveforms, the crest factor is high. For the voltages and crest factors for

typical waveforms, see the table below.

Range

199.9 Ω

Resolution

0.1 Ω

Accuracy

±1.9 %rdg.+3dgt.

MAX Test

Voltage

1.0 VDC

Overload

Protection

500 Vrms

Ohm (Ω) Continuity( )

Electrical Specification Instrument Familiarization

Low battery indication

Hold Data indication

Continuity function indication

Voltage measurement indication

Current measurement indication

Alternative source indication

Resistance

Symbol Definition

Switch the function selector to range.

Open the clamp by pressing the jaw-opening handle and insert the cable to be

measured into the jaw.

Close the clamp and get the reading from the LCD display.

Note:

Before this measurement, disconnect the test lead with the meter for safety.

In some occasion that the reading is hard to read, push the HOLD button and

read the result later.

Measuring Instruction

AC Current Measurement

Switch the function selector to range.

Connect red test lead to “+” terminal and black one to the “ COM ” terminal.

Measure the voltage by touch the test lead tips to the test circuit where the

value of voltage is needed.

Read the result from the LCD display.

ACV Measurement

Switch the function to range.

Connect red test lead to “+” terminal and black one to the “ COM ” terminal.

Connect tip of the test leads to the points where the value of the resistance is

needed.

Read the result from the LCD display.

Note:

When take resistance value from a circuit system, make sure the power is cut

off and all capacitors need to be discharged.

1. Maintenance and Inspection

Appearance: Is the meter not damaged due to falling or other cause?

If any of the above problems exists, stop using the meter and request for

repair.

2. Inspection

Inspect the meter at least once a year.

3. Storage

4. Battery when the meter is shipped:

A battery for monitoring has been installed prior to shipment from the

factory. It may be discharged before the expiration of the described battery

life.

*The battery for monitoring is a battery used to check the functions and

performance of the product.

Resistance Measurement

Switch the function to range.

Connect red test lead to “+” terminal and black one to the “ COM ” terminal.

Connect tip of the test leads to the points where the conduction condition

needed.

If the resistance is under 100 Ω, the beeper will sound continuously.

Note:

When take resistance value from a circuit system, make sure the power is cut

off and all capacitors need to be discharged.

Continuity Test

Maintenance

Maximum Input Voltage is 600 VAC. Do not attempt to take any voltage

measurement that may exceed to avoid Electrical shock hazard and/or

damage to this instrument.

WARNING

1. This is a clamp meter for low-voltage circuits. Never use it on the power

line that exceeds 600 VAC to ground. The measurement classification

category of this instrument is CAT. III 300 V/ CAT. II 600 V.

2. Use the meter only as described in this manual.

3. Do not apply more than the rated maximum input .

4. Pay special attention to voltages above 33 VAC (46.7 Vpeak) and

70 VDC that are hazardous to the human body.

5. Do not use the meter if it is damaged or broken.

6. Do not use the meter with the rear case removed.

7. During measurement, keep your fingers behind the barrier (finger

guard).

8. When measuring un-insulated conductors, be careful not to touch

them. Otherwise you will suffer electric shock.

9. Do not use the meter near flammable gases or solvents.

10. Do not use the meter with wet hands or in a damp environment.

11. Do not disassemble or modify the meter nor use components not

specified by the manufacturer.

12. Inspect the meter at least once a year.

13. The meter is for indoor use.

WARNING

Accuracy

50 Hz 400 Hz〜

±1.5 %rdg.+5dgt.

Overload

Protection

660 Vrms

Range

199.9 V

600 V

Resolution

0.1 V

1 V

ACV (Autorange)

Resolution

0.1 A

1 A

Accuracy Overload

Protection

600 Arms

Range

199.9 A

600 A

ACA (Autorange)

50 Hz〜60 Hz

±2 %rdg.+5dgt.

60 Hz〜400 Hz

±2.9 %rdg.+5dgt.

① Current Sensing Clamp

② Barrier

③ Clamp opening handle

④ LCD display

⑤ COM input terminal

⑥ Positive input terminal

⑦ Function selector

⑧ Data hold button

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.

WARNING

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 battery.

CAUTION

①

②

③

④

⑤

⑧

⑦

⑥

Battery Changing

1. When the battery voltage drop below approx. 2.2 V the symbol will

appear on the LCD display and the battery need to changed.

2. Before changing the battery, switch the function selector to “OFF ”and

disconnect test leads.Open the rear case by a screwdriver. Replace the

old batteries with two R03 or AAA size batteries.

3. Close the rear case and fasten the screw.

To prevent electrical hazard or shock, turn off clamp meter and disconnect

test leads before removing rear case.

Never uses the meter before the rear case is closed.

WARNING

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.

2. Repair

Customers are asked to provide the following information when requesting

services:

1) Customer name, address, and 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

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 meter will be repaired in accordance with the conditions

stipulated in 1 Warranty and Provision.

3) 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 /

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.

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.

3. SANWA web site

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

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

After - Sale Service

DCM60R

DIGITAL CLAMP METER

：Ground

：Double or reinforced insulation

：

Application around and removal from hazardous live conductors is permitted

：Alternating current (AC)

Input Waveform

0 to PEAK

Vrms

Average

Value Crest

Factor Form

Factor

Root Mean

Square Value

Vavg

Vp/Vrms

Vrms/Vavg

Sinusoidal

wave

Square

wave

Chopping

wave

Pulse

=1.414 =1.111

pp

−

√ √

=0.707 Vp

−

2 Vp

π

=0.637 Vp

−

√

π

2π

π

Vp Vp 1

π

2π

−

√

=0.577 Vp

−

=0.5 Vp

−

√

=1.155

√

=1.732

2πτ

−

2π

・

−

2π

・

−

2π

τ

−

2π

τ

Voltages of Various Waveforms

TL-21a

Continuity

(Buzzer sounds.)

Disconnection

Beep

Open

Produkt Specifikationer

Mærke:	Sanwa
Kategori:	Måleudstyr
Model:	DCM60R

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