Sanwa KP1 Manual

Sanwa Multimeter KP1

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[1] SAFETY PRECAUTIONS

Before use, read the following safety precautions.

Thank you for purchasing our voltage tester equipped with the electric

field detection facility model KP1.

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 burn and

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.

　 : Refer to Instruction Manual before use

: Double or reinforced insulation : Ground

: Circuit continuity buzzer : Backlight

1-2 Warning instructions for safe use

[2] APPLICATIONS AND FEATURES

2-1 Applications

This instrument is a voltage tester of the RMS value response type

equipped with the electric field detection facility. It is designed for

measurements in the ranges specified by IEC 61010-1 CAT. IV 600 V

and CAT. III 1000 V.

Recent multiinstruments have been increasing the facilities and

becoming capable of measuring a larger variety of items in simpler

ways. Nevertheless, this trend also means that the risk of operation

mistake is increasing because of the presence of facilities that are not

required by all of the users.

This instrument has been designed to meet the actual needs of the fields

of electrical equipment maintenance by prioritizing the usage without

operation mistakes, reducing the size for higher portability and limiting

the facilities to voltage measurement and electric field detection while

complying with safety standards. It is suitable for voltage measurement

and electric field detection of low-voltage lines and equipment.

2-2 Features

• Safe use with low-voltage equipment

–

IEC61010 CAT IV 600 V .

and CAT. III 1000 V compatibility.

• Single-button system

–

Easy operation for preventing operation

mistakes.

• Auto identification of AC or DC voltage

–

AC measurement in true

RMS value.

• Easy identification of 24 V type FA control panel voltage

–

The

backlight color changes at 20 V or more.

• Aut o hold

–

T he result of the last measurement is held

automatically.

• Self-test

–

Checking failures of the LCD or disconnection of a

lead wire.

• AC electric field detection

–

Both contact and noncontact

methods are available.

• Designed to fit the chest pocket of the working uniform.

• LED light for illuminating the working site.

Measurement Category (Overvoltage Category)

Measurement Category II (CAT. II):

Line on the primary side of equipment with power cord to be

connected to the receptacle.

Measurement Category III (CAT. III):

Line from the primary side or branch of equipment which directly

takes in electricity from a distribution board to the receptacle.

Measurement Category IV (CAT. IV):

Line from the service conductor to the distribution board.

[3] NAME OF COMPONENT UNITS

3-1 Main unit and test leads

3-2 Display

Data HoldDC VoltageAC Voltage

Low battery

indication

Live wire alarm

Minus sign Numeric value

and decimal

point

[4] DESCRIPTION OF FUNCTIONS

4-1 Changing the measuring probe angle

T h e a n g l e o f t h e

measuring

probe can

b e c h a n g e d b y

removing it from the

main body, positioning

it in the desired angle

and inserting it straight

into the main body.

Be sure to insert the

measuring probe all

the way until it is fixed.

4-2 Power/Select button

The function of the Power/Select button varies depending on the period

it is pressed. In this manual, we use the term “push” for the action of

pressing the button temporarily and the term “hold” for the action of

pressing and holding the button for more than one second.

Hold this button to turn the instrument ON/OFF. Note that the instrument

cannot be turned OFF while it is accepting an input.

Push the button while the instrument is ON to switch the measurement

modes.

The instrument is in the self-test mode ( displayed) when it is

turned ON. Thereafter, each press of this button switches the modes

in the following cycle. (For the description of each mode, see

[5]

MEASUREMENT PROCEDURE.)

Auto-identifying voltage measurement mode ( displayed) ⇒

EF mode ( displayed) ⇒ Auto-identifying voltage measurement

mode ⇒…(repeat)

4-3 Auto power OFF

When the instrument is left without input for about one minute since the

last operation, Auto power OFF turns automatically the display and the

power of the instrument OFF. To recover from the auto power OFF, hold

the Power/Select button for more than one second.

4-4 Low battery alarm

When the built-in batteries have been discharged and the battery voltage

has dropped to below about 2.5 V, mark appears on the display.

When this mark appears, replace both of the two batteries with new ones.

If the battery voltage drops below about 2.2 V, appears on the

LCD and the instrument becomes unable to continue measurement.

4-5 Backlight and LED light

The LCD green backlight and the LED light light when the instrument

is turned ON. The backlight color changes to orange when the input

is AC or DC and 20 V or more, or when the AC live wire is detected in

the EF mode.

* The light cannot be turned OFF except by turning the instrument OFF.

4-6 Self-test

This self-test checks disconnection of the test lead wires, lack of

display segments and failure of the buzzer and buzzer LED light.

For details, see 5-2 Self-test mode.

4-7 AC/DC auto-identifying voltage measurement

When an input of 5 V or more is applied in the self-test or auto-identifying

voltage measurement mode, the instrument automatically identifies

whether the input is an AC or DC voltage and displays the measured value.

4-8 Auto hold

When the probe is separated from the measurement target during

auto-identifying voltage measurement or when the input drops below

about 5 V, the instrument automatically holds the last measurement

value displayed on the LCD. During auto hold, appears on the

LCD and the displayed value flashes.

* A numeric value other than the measured value may appear momentarily

before the held value is displayed, but this is not malfunction.

4-9 EF (Electric Field) detection: EF button

This EF detection identifies the presence of voltage in a simple

manner by detecting an electric field generated by an AC voltage.

For details, see 5-4 EF (Electric Field) detection.

4-10 AC detection method

This instrument employs the RMS (Root-Mean-Square) method and

indicates the magnitude of AC current as the same amount of work as

DC. RMS values of sinusoidal waves and such non-sinusoidal waves

as square and chopping waves can be measured by the true RMS

circuit. (The input signal measurement value is used as the scale of the

actual input signal power so it is therefore measured as a more

effective value than the value obtained by average detection ).

4-11 CF (Crest Factor)

The CF (Crest Factor) indicates the peak value of a signal divided by

its RMS value. With most common waveforms such as sinusoidal and

chopping waves, the CF is relatively low.

With waveforms similar to pulse trains with low duty cycle, the CF is high.

For the voltages and CFs of typical waveforms, see the table below.

The CR of measurements should be 2 or less.

Voltages of Various Waveforms

4-12 Storage of lead

[5] MEASURING PROCEDURE

1. Do not apply an input signal exceeding the maximum rated input value.

2. During measurement, do not hold the instrument by a position on the

test pin side of the barrier on the test probe.

3. Use test leads matching the measurement category of the measured

point.

WARNING

KP1

VOLT TESTER

Dempa Bldg., 4-4 Sotokanda 2-Chome

Chiyoda-ku, Tokyo, Japan

01-1410 2040 6010

INSTRUCTION MANUAL

This manual emplys soy ink.

8. Never use the instrument when it is wet or with wet hands.

9. Never attempt repair or modification, except for battery

replacement.

10.

Perform start-up inspection and inspect the instrument at least

once a year.

11. This instrument is for indoor use only.

12. Do not use the instrument in a method other than specified.

Otherwise, the protection function may be spoiled.

1. Accurate measurement may be impossible near a source of

strong magnetic field such as a transformer or large-current

line, near a source of electromagnetic wave such as a wireless

device or near a charged object.

2. This instrument may malfunction or the measurement result

may become abnormal if this instrument is used with a special

waveform such as that of an inverter circuit.

CAUTION

TL-36: Test lead (black), approx. 1.5 m

TL-35: Test probe (red)

TL-A01: Test probe (black)

Barrier

Φ4

plug

Φ4

plug

Test pins

Barrier Barrier

Φ4

plug

The following instructions are intended to prevent injury such as burn

and electric shock. Be sure to follow them when using the instrument:

1. This instrument is a voltage tester equipped with the electric

field detection facility. Do not use it with an electric circuit

exceeding 1000 V.

Voltages over DC 70 V or AC 33 V rms (46.7 V peak) are

hazardous to human body. Take care so as not to touch them.

Never input signals exceeding the maximum rated input value

(see 1-3).

4. Never use the instrument for measuring a line connected to

equipment that may generate induced or surge voltage (such

as a motor) because an input exceeding the maximum

allowable overload input may be applied.

5. Never use the instrument if the instrument or test leads are

damaged or broken.

6. Never use the instrument with the case or battery lid removed.

7. During measurement, do not hold the instrument by a position

on the test pin side of the barrier on the test probe.

WARNING

1-3 Overload protection

Mode Display Max. rated input Max. overload

protection input

Self-test

AC/ DC 1000 V 1050 V rms,

1450 V peak

Auto-identifying

voltage measurement

Electric field detection

Strap hole

Lead holder

Lead hook

Lead holder: After winding the lead

around the lead reel for storage,

tuck the remaining section of the

lead in t his space t o prevent

spontaneous unwinding.

Lead hook: Hook the lead on these

pa rt s whe n t he l e a d i s used

without unwinding fully.

Strap hole: Use this hole when attaching

a strap or like to the instrument.

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

=0.637 Vp

√

－

√

2π

Vp Vp 1

2π

√

=0.577 Vp

－

=0.5 Vp

－

√

=1.155

√

=1.732

2π τ

－

2π

・

－

2π

・

－

2π

－

2π

VOLT TEST ER

Probe holder

Strap hole

Magnet

Lead reel

Lead holder

Buzzer LED

Test probe

Backlit LCD

Power/Select button

Detachable

probe

Lead hook

EF detection antenna

Front Back

LED light

− 1 − − 2 − − 3 − − 4 −

Produkt Specifikationer

Mærke:	Sanwa
Kategori:	Multimeter
Model:	KP1

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