Sanwa DM509S Manual

Sanwa Måleudstyr DM509S

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INSULATION RESISTANCE TESTER

INSTRUCTION MANUAL

Dempa Bldg., 4-4 Sotokanda 2-Chome

Chiyoda-ku, Tokyo, Japan

DM509S/DM1009S/PDM509S

02-1711 2040 2040

To ensure that the meter is used safely, follow all safety and operating instructions.

11. Never use tester for high power or high voltage circuit.

12. Pa

y special attention when measuring the voltage of AC 33 Vrms

(46.7 V Peak) or DC 70 V or more to avoid injury.

13. Disconnect power source of the measured circuit before

measuring insulation resistance.

14. High voltage is generated while measuring insulation resistance.

Be cautions of electric shock.

15. After measuring insulation to avoid electric shock. Be sure to

discharge the high voltage charged.

16.

Never apply an input signal exceeding the maximum rating input value.

17. Nev f her use tester or measuring the line connected wit

equipment (i.e. motors) that generates induced or surge voltage

since it may exceed the maximum allowable voltage.

18. Never use tester if the tester or test leads are damaged or broken.

19. Never use uncased tester.

10.

Always keep your ngers behind the Barriers on the probe when

making measurements.

【】1 Read First: Safety Information

We thank you for your purchasing our product, the battery-driven

insulation resistance tester.

This is a DC resistance tester developed under the principle to provide

new and unique design and function f or the measurement of insulatio n

resis ance of ea kind of electric equipments. Since this testet ch r

generates high voltage, p1-we recommend that you read this instruction

manual thoroughly, and treat the tester correctly and safely.

The symbols used on this tester and in this instruction manual denote

the following meanings:

Be careful as the high voltage is impressed.

Be careful because there is a possibility of bodily injury or the

destruction of equipment.

WARNING

− 1 −

11.

Be sure to disconnect the test pin from the circuit when changing the function.

12. Never use tester with wet hands or in a damp environment.

13.

14.

Do not attempt any alterations of original specications.15.

16.

To ensure safety and maintain accuracy, calibrate and check the

tester at least once a year.

17. Indoor use.

Maximum Overload Protection Input

Function

(Range)

Maximu rating

input value

Maximum overload

protection input

ACV (600) AC 600 V AC 720 V

DCV (60) DC 60 V AC 600 V

【】2 Applications and Features

2.1 Applications

・DC insulation resistance tester to measure the insulation resistance

of electric lines and electric equipment.

2.2 Features

CAUTION

Remove components such as semi-conductors and apparatuses from the circuit of

measuring object to avoid damages when withstand of the object is unknown or

lower than rated measuring voltage of a resistance insulation tester, especially in

case of the objects you me re neasu con ct h P r c ut s.ed wit Cs o omp er

・

The measured voltage is maintained until the low insulation resistance

value at the rated current specied in IEC61557-2.

18.

Do not use the instrument in a place where corrosive or explosive

gas is produced.

19.

To prevent the protection function of the tester from being spoiled,

do not use it in a method other than specied.

・It is equipped with the discharge function.

・It is equipped with the (insulation resis ance) M Ω t measuring swit ch

that enables both one-shot and continuous measurement.

− 2 −

When handling equipment containing a hazardous live part, be

sure to wear insulative protection gear to prevent accidents. Also

be sure to observe your local and national safety regulations.

Use test leads matching the measurement category of the object

measured. If the measurement categories of the instrument and test leads

were different, the lowest measurement category would be applied.

− 3 −

【

】

ont

iew and Name of Ea

(insulation

resis

ance)

measuring

swit

unction control knob

side

measurin

terminal (EA

TH)

Line

side

measurin

terminal (LINE)

scale

(insulation resistance)

CV scale

DCV scale

scale

ointer

position

adjuster

Removable

test pin covers

When not covered

Test pins

Barriers

CAT.

600 V

Removable test pin covers

When not covered

: CAT.

1000 V

When attached

: CAT.

600 V

Pin-type adapter

Alligator clip:Black

Measuring cords

Red

Black

Red

Black

Test Lead(TL-509S)

【】4 Description of Functions

・Function control knob and MΩ (insulation resis ance)t measuring switch

by two coperating these swit hes, the functions and ranges can be

set as shown below.

Position of Function Control Knob

MΩ

Measuring

Switch (

)

Set Range

(Function)

DM509S

500 V/1000 MΩ

DM1009S 1000 V/2000 MΩ

OFF

AC 600 V range

PDM509S 500 V/100 MΩ

600 V

DM509S

500 V/1000 MΩ

DM1009S 1000 V/2000 MΩ

1000 V/2000 MΩ

PDM509S 500 V/100 MΩ

600 V

500 V/100 MΩ

BA NOKCEHC YRETT

BATTERY CHECK

V 06

CDFFOV 06

The M measuring switch is turned on by the following operation.Ω

①ON only when the right end of the lev er is pressed with a nger.

(OFF when the nger is released)

②Continuously ft levON when the le end of the er is raised. (OF F

when it is laid down)

Raise left end

・Meter zero position adjustment

If t m er ter is n he et poin ot on the ∞ gra dua onti line of the sc M Ωale

when the function control knob is at OF F, z nadjust the ero positio

with a screwdriver.

Press right end

− 4 −

【】5 Measuring Method

5.1 Start-up Check

WARNING

1. Do not use a damaged tester or test lead.

2. Make sure test lead wiring is not broken.

3. When testing the continuity of a test lead, the measuring terminals

are under a high voltage. Be careful of electric shock.

4. To ev ck tpr ent electric sho and ba te consumption, be surery to

turn the M ch function control knob to OFFΩmeasuring swit and

after measurement.

How To Use Carrying Case

During measurement, set the case as illustrated and hang it from

the neck.

To carry while held

by hand

To ckhang from the ne

during measurement

・Lid turns in

direction at pi vot the A.

・Lay it along the bottom

of the box and secure it

by hooks marked by*

Body securing band

Body compartment

Test lead

compartment

Join by hook

− 5 −

Before star ng c ck t ti me urement,as he he“appearance”,“point 0er

position”(

), “ ” battery and “ ” measuring lead in this order. (*The pointer

0 position is the 0 position of the DC 60 V scale or

∞ position of the

MΩ scale.)

Check start.

Check appearance and pointer 0 position.

Main unit and

test lead damaged

in appearance?

Pointer at 0 position

when main unit is placed

horizontally?

Stop using.

Repair it.

Place main unit

h o r i o n t a l lz y,

adjust pointer 0

position adjuster

with screwdriver

to bring pointer

to 0 position.

Damaged

No damaged

Yes

Check battery.

Turn function control knob

to DC 60 V/BATTERY CHECK.

Pointer is on left of battery

check scale （BATT） ?

Turn function control knob

and MΩ switch to OFF.

Replace

battery.

See

【】7

Battery

Replacement.

Check measuring lead wiring breakage.

Connect black test lead to EARTH terminal

and red test lead to LINE terminal.

Turn function control knob to

AC 600 V・250 V/500 ΩM.

Turn on MΩ measuring switch.

Release push switch and replace test

lead with new one and re-check.

If replacement does not work, repair

Turn MΩ measuring switch and

function control knob to OFF.

Normal. Proceed to measurement.

Pointer is at almost 0 MΩ

position of insulation resistance

scale ?

Yes

Turn on MΩ

switch.

5.2 How to Check Battery (BATTERY CHECK)

Prior to MΩ (insulation resis ance) measurement, t be sure to check eth

battery. A consumed battery will cause not only measurement errors

but danger due to erroneous measurement.

For checking methods, refer to 5.1 Start-up Check.

Do not check the battery for more than 5 seconds.

− 6 −

Short alligator clip (or test pin) on black

test lead with test pin on red test lead.

1. Never apply a voltage to the measuring terminal when the tester

is in the MΩ measuring range.

2. P rior to measurement, disconnect the measuring object (circuit )

from the p er supply.ow

3. Prior to measurement, ma sure no ol age is applied to th ke v t e

circuit to measure by the AC 600 V range.

4. During measurement, a high voltage is generated. Do not touch

the test pin, clip and measuring object.

The tester and measured circuit have been charged by high voltage

immediately after the measurement. Be careful not to get electric

shock.

6. T a ty c Afhere is possibili of an accident of electric sho k. ter th e

mea rem di ge highsu en be e to t, sur schar the voltage charged in

the measuring object. (See 5.4 Discharge Function)

5.3 Measurement of M (Insulation Resistance) Ω

WARNING

CAUTION

When the object measured is grounded, usually connect the black

EARTH (ground) test lead to the grounded side and the red LINE

test lead to the circuit. (When this connection is used, a measurement

v a v e obtained by the reverse alue becomes smaller than alu

connection.)

2. To ev a er r, k topr ent measuring ro eep the test lead connected

the LINE side out of con actt with the measuring object and ground

(earth).

3. T

he insulation resistance varies largely depending on temperature

a h ty. nd umidi It is also inue ednc by a volt to ap age ply (measuring

voltage).

Normally as tempera ure, humidi and ol age increase, th t ty v t e

insulation resistance decreases.

− 7 −

The M measurement should be performed as quickly as possibleΩ

to prevent the internal parts from heating. Particularly, when measuring

resistance between 0 M to the center of scale, perform each Ω

measurement within 20 seconds and leave an equivalent interval to

the measuring time before proceeding to the subsequent measurement.

2. The no-load voltage is within 1.25 times the rated measuring

voltage.

1) Measuring object

Measurement of insulation resis ance t (M

Ω) of electric equipmen t

and circuits.

2) Rated measuring voltage

Model

Rated measuring voltage

DM509S 500 V

DM1009S 1000 V

PDM509S 500 V

3) Selection of a measuring range

Turn the function control knob to (M ) / AC 600 V position.Ω

4) Measuring method

①Power off the measuring object.

②

③Turn the function control knob to a desired rated measuring

voltage range.

④

⑤

CAUTION : If the meter deects in this state, the measuring

object is charged. Be sure to rem e the voltageov

prior to measurement.

REFERENCE

− 8 −

Insert the black measuring cord to which the black alligator clip (or

black pin-type adapter) is attached into the EARTH (ground)

measuring terminal, and the red measuring cord to which the red

pin-type adapter is attached into the LINE measuring terminal.

Connect the black alligator clip to the object measured. Usually

connect the EARTH (ground) measuring terminal to the grounding

side.

Connect the tip of the red pin-type adapter to the other side of

the object measured.

⑥Turn on the M measuring switch.Ω

(See [4] Description of Functions)

⑦Read the indicated value. Use the MΩ scale.

⑧Turn off the MΩ measuring switch.

⑨Discharge the high vol aget charged in the measuring object. Se e

5.4 Discharge Function.

⑩

⑪Be re to turn the functi control knob to the position of OFF.su on

CAUTION

1. Rated measuring voltage should be selected by a measuring

object. For example, 125 V rated measuring voltage should be

used for the object, AC input voltage of which is 100 V.

2.Remove components such as semi-conductors and apparatuses

from the circuit of measuring object to oid damages whe av n

withstand of the object is unknown or lower than rated measuring

voltage of a resistance insulation tester, especially in case of the

objects you measure connected with PCs or computers.

− 9 −

First remove the red test pin from the object measured, and

then disconnect the black alligator clip.

5.4 Discharge Function

1) Reason of a need to discharge

For safety, high voltage remaining in capacitive measuring objects

such as capacitors and electric wire must be discharged to prevent

accidents.

2) Discharging method (This procedure follows the step ⑧ of 5.3-4)

① ΩWhen Mthe measurement has been completed, turn off only

the MΩmeasuring switch with the test pin and the alligator clip

connected to the measuring object.

②T hen the pointer deects to the right and its deection become s

smaller as time passes (indicating the charged charge is being

discharged).

③

When the pointer stops at zero (

∞ of the M scale) and dischargeΩ

has been completed, conduct the steps ⑩ and ⑪ of 5.3-4)

5.5

Measurement of DCV (DC voltage) (Measuring range is the DV 60 V range only)

WARNING

1. a v t exDo not apply ol age ceeding the maximum rated ol age v t of

60 VDC.

2. Keep in mind the warnings of 5.6 described earlier.

1) Measuring object

DC voltages of batteries, etc. can be measured.

Also, the tester can be used to check the presence

of DC voltage prior to M measurement. Ω

2) Measuring method

①

②

Turn the function control knob to DC 60 V.

③

④Read the indicated value on the DCV scale.

⑤

⑥Turn the function control knob to the position of OFF.

− 10 −

Insert the black measuring cord to which the black

alligator clip (or black pin-type adapter) is attached

into the EARTH (ground) measuring terminal, and the

red measuring cord to which the red pin-type adapter

is attached into the LINE measuring terminal.

Connect the black alligator clip to the

－

side of the object (circuit) measured,

and connect the tip of the red pin-type adapter to the side.+

First remove the red test pin from the object measured, and then

disconnect the black alligator clip from it.

Do not apply a voltage exceeding the maximum rated voltage of 600 VAC.

2. During measurement, do not operate the function control knob.

3. Do n mea a volt e with the M ch got sure ag Ωmeasuring swit bein

pressed or raised.

4. When the circuit to measure has brea a ker, vmeasure the ol agt e

on the secondary side (load side).

To prevent electric shock, do not touch the metal part of the pin plug and clip.

5.6

Measurement of ACV (AC voltage) (Measuring range is the AC 600 V range only)

WARNING

CAUTION

AC voltages of waveforms other than wavef dsinusoidal orms an

frequencies other than 50 to 60 Hz erwill cause an indication ror.

1) Measuring object

Sinusoidal AC voltages (ACV)

such as lighting line voltages

can be measured.

2) Measuring method

①

②Turn the function control knob to AC 600 V.

③

④Read the indicated value on the ACV scale.

⑤

⑥Turn the function control knob to the position of OFF.

− 11 −

Insert the black measuring cord

to which the black alligator clip

(or black pin-type adapter) is

attached into the EARTH (ground)

measuring terminal, and the red

measuring cord to which the red

pin-type adapter is attached into

the LINE measuring terminal.

Connect the black alligator clip to the earth (grounding) side of

the object measured, and connect the tip of the red pin-type

adapter to the charging side of the object measured.

First remove the red test pin from the object measured, and

then disconnect the black alligator clip from it.

【】6 After-Sales Service

6-1 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 xtent to whi e ch war ty y. Th war ty lthe ran policy shall appl is ran shal

not apply to test leads, disposables batteries, or any product or parts,

which have been subject to one of the following causes:

1. A f de eailure due to improper handling or use that viates from th

instruction manual.

2. A failure due to inadequate repair or modication by people other

than Sanwa service personnel.

3. A failure due to causes not attributable to this product such as re,

ood and other natural disaster.

4. Non-operation due to a discharged battery.

A failure or damage due to transportation, relocation or dropping after

the purchase.

6-2 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 conguration

4. Model Number

5. Product Serial Number

6. Proof of Date-of-Purchase

7. Where you purchased the product

− 12 −

【】7 Battery Replacement

①R ove t wo t ry dem ba te li

securing screws.

②Re a e n medpl ce th co su

batte thatry is connected to

the snap terminal with a

new one.

③Set t r y eth e ba te i n th

original place and secure the

battery lid with screws.

Be t ofsure to urn the function control knob to the position

OFF prior to replacing the battery.

Be sure to use the alkaline battery 6LR61(6LF22) (9 V).

Screws

Battery lid

Snap terminal

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

Capacity of the 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 6-1 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 ll 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.

6-3 SANWA web site

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

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

6LR61 Battery

(6LF22)

− 13 −

Rated measuring voltage

Measuring value

【】8 Speciﬁcations

8.1 Measurement Range and Accuracy

7.1 Accuracyassurance : 23± ℃ ％5 75 RH max.

No condensation

7.1

Model DM509S DM1009S PDM509S

MΩ

Insulation

Resistance

range

Accuracy

Large numeral : 1st effective measuring scale

Small numeral : 2nd effective measuring scale

500 V

1000 MΩ

0.5-1-500-

1000 MΩ

1000 V

2000 MΩ

1-2-1000-

2000 MΩ

500 V

100 MΩ

0.05

-0.1-

50-

100

MΩ

ACV range

0~600 V

DCV range

0~60 V

・ACV range (50/60 Hz sine e): wav ±5 % of full scale

・DCV range : ±5 % of full scale

・ ΩM range

1st effective

±measurement range : 5 % of reading

2nd effective

±measurement range : 10 % of reading

0, ∞ scale : ±0.7 % of scale length

No load voltage :

% of rated measuring voltage

Rated current : 1~1.2 mA

Short circuit current : max 2.9 mA

＋25

－0

（）

＊Factory-preinstalled battery

A batte orry f monitoring is preins alledt before shippin g, there oref it may

run do wn sooner than the battery life specied in the instruction manual .

The "battery for monitoring" is a battery to inspect the functions and

specications of the product.

Attitude: Horizontal ±5°. External magnetic eld: Not present.

: Within the range in which the battery Battery voltage

power is effective.

Operating

instrumental

uncertainty

Within ±30 % (Maximum value tolerated by IEC standard)

Variation-causing factors [E1: Attitude. E2: Supply voltage.

E3: Temperature]

− 14 −

Battery consumption : Checked by BATTERY CHECK range.

Allowable temperature/humidity range

: 23 5 , 75 % RH max., no condensation.± ℃

Service temperature/humidity

: 0 43 , 80 % RH max., no condensation.～ ℃

Storage temperature/humidity

: -10

～

50 ℃, 70 % RH max., no condensation.

Service ambient condition

Altitude 2000 m max., environmental pollution .Ⅱ

Power supply

Layer built t ype alkaline ba te 6LR61(6LF22)t ry x V)1(9

Max. power consumption

: 2.0 W~2.8 W at MΩ range

Battery life :

When the lower limit measurement resistance value that

can maintain the rated output voltage is measured and

if one cycle for the measurement is dened as ON for 5

seconds and OFF for 25 seconds, the battery life is 500 cycles.

Degree of IP : IP20

Size and Mass : 144(

) x 99 (

) x 43 (

) mm, approx. 310 g

Accessories : Test lead TL-509S, 1 set

Instruction manual, 1 Carrying case C-09S, 1

【】9 Storage

CAUTION

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

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

・The panel and the case are not resistant to volatile solvent and

must not be cleaned with thinner or alcohol.

For cleaning, use dry, soft cloth and wipe it lightly.

・Do not store the instrument in a place where it may be subjected

to vibration or from where it may fall.

・For storing the instrument, avoid hot, cold or humid piaces or

places under direct sunlight or where condensation is anticipated.

8.2 General Speciﬁcations

AC rectifying method : Half-w e recticationav

(Mean value indication rms value converted)

Meter specication :

Inner-pole type taut-band system, 24μA (PDM509S:48μA)

Year of manufacture　: The rst two digits of the serial number on

　　　　　　　　　　 the bottom of this product indicate the last

two digits of the year.

− 15 −

Safety : IEC61010-1, IEC61010-2-030 CAT.Ⅲ600 V *

IEC61010-2-033, IEC61010-031

EMC Directive, RoHS Directive

: IEC61326 (EMC), EN50581(RoHS)

Measurement Category III

Line from the primary side or branch of equipment which directly

takes in electricity from a distribution board to the receptacle.

(CAT. III)

Produkt Specifikationer

Mærke:	Sanwa
Kategori:	Måleudstyr
Model:	DM509S

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