KYORITSU 1052 User Manual

INSTRUCTION MANUAL

DIGITAL MULTIMETER

KEW 1051

／

1052

Thank you for purchasing our Model KEW1051, KEW1052 Digital Multimeter.

This instruction manual describes the specications and handling precaution for this Digital

Multimeter. Before using this Digital Multimeter, thoroughly read this manual to get a clear understanding on proper use.

Always observe the following instructions. Failure to do so may impair the protection provided by the instrument and probes, and may result in electrical shock or other dangers that may lead to serious injury or the loss of life. KYORITSU is in no way liable for any damage resulting from the user’s mishandling of the product. For safe use of this product, the following safety symbols are used on the product:

About This Manual

• Every effort has been made to ensure accuracy in the preparation of this manual.

However, should any errors or omissions come to the attention of the user, please contact

KYORITSU.

• T he conten ts of this ma nual are su bject to ch ange wi th out pri or notice bec au se of

improvement in performance or function.

• A ll rights reserved. No par t of this manual may be reproduced in any from without

KYORITSU's written permission.

Regarding Safe Use of This Product

W ARNIN G

CAUTION

For safe use of this product, the following safety symbols are used on the product and manual:

This indicates that the operator must refer to an explanation in the

instruction manual in order to avoid the risk of serious injury or the loss of life.

This indicates that the operator must refer to an explanation in the

instruction manual in order to avoid the risk of injury or damage to the product.

This indicates information that is essential for handling the instrument

Note

or should be noted in order to familiarize yourself with the instrument’s operating procedures and/or functions.

Danger! Handle with Care

Double Insulation

Direct Current

Alternating Current

DC/AC

Fuse

Battery

Ground

This symbol indicates that the operator must refer to an explanation in the instruction manual in order to avoid risk of injury or death of personnel or damage to the instrument.

This symbol indicates double insulation or reinforced insulation.

This symbol indicates DC voltage/current.

This symbol indicates AC voltage/current.

This symbol indicates AC and DC.

This symbol indicates a fuse.

This symbol indicates a battery.

This symbol indicates ground (earth).

W ARNIN G

Always observe the following instructions. Failure to do so may result in

electrical shock or other dangers that may lead to serious injury or the loss of life.

Test leads / Test leads with crocodile clip (optional accessory)

• Use the probes supplied by KYORITSU with this instrument.

• Do not use test leads/test leads with crocodile clip that have deteriorated or are defective.

Check test leads/test leads with crocodile clip continuity.

• Disconnect test leads/test leads with crocodile clip from the circuit under test before opening

the casing to replace the batteries or for any other reason.

• Disconnect test leads/test leads with crocodile clip from the c ircu it under test before

attaching/detaching the test leads/test leads with crocodile clip to/from the instrument.

• Disconnect test leads/test leads with crocodile clip from the instrument before opening the

casing to replace the batteries or for any other reason.

• A cap is provided on the tip of a test lead. Use a test lead with the cap on for safety (safety standards: IEC 61010-031).

• Do not use the crocodile clip of test leads being loosen or removed conditions.

Casing

• Do not use the instrument if there is any damage t o the casing or when the casing is

removed.

Fuses

• Use fuses of the specied rating when the fuse is replaced.

Operating Environment

• Do not operate the instrument in an atmosphere where any ammable or explosive gas is

present.

• Avoid using the instrument if it has been exposed to rain or moisture or if your hands are

wet.

Disassembly

• No person, except personnel from KYORITSU, is authorized to disassemble this instrument.

Contents

1. Overview .............................................................................................................5

2. Measurement Category .......................................................................................6

3. Specications ...................................................................................................... 7

3.1 General Specications ..............................................................................7

3.2 Accuracy ...................................................................................................9

4. Operation ..........................................................................................................12

4.1 Precautions Before Measurement ...........................................................12

4.2 Components ............................................................................................13

4.3 Measuring Instructions............................................................................ 17

4.3.1 AC Voltage Measurement ................................................................ 17

4.3.2 DC Voltage Measurement ................................................................ 17

4.3.3 Measurements with SENSOR .......................................................... 18

4.3.4 Resistance Measurement ..................................................................18

4.3.5 Continuity Check ............................................................................. 19

4.3.6 Diode Test ........................................................................................19

4.3.7 Temperature Measurement...............................................................20

4.3.8 Current Measurement ......................................................................21

4.3.9 Capacitor Measurement ................................................................... 22

4.3.10 Frequency Measurement ................................................................. 22

4.3.11

Function to change RMS detection to/from MEAN detection

mode (KEW1052 only) .........................................................................23

4.3.12 Function to turn the lter on/off ...................................................... 23

4.3.13 AUTO HOLD Function ................................................................... 24

4.3.14 Relative and percentage calculation ................................................ 24

4.3.15 MIN/MAX/AVG Function (KEW1052 only) .................................25

4.4 Memory Function (KEW1052 only) ....................................................... 26

4.5 AUTO POWER OFF Function ............................................................... 27

4.6 Set-up Function ....................................................................................... 28

4.7 Additional functions simply set when POWER ON ............................... 32

4.8 LCD Check .............................................................................................32

5. User Calibration Function .................................................................................33

6. Battery and Fuse Replacement .........................................................................35

6.1 Battery Replacement ............................................................................... 35

6.2 Fuse Replacement ...................................................................................36

7. Calibration and Maintenance ............................................................................37

8 Disposing the Product .......................................................................................37

1. Overview

Display

4-digit (LCD) Maximum Reading: 6000 Bar graph indicator

Supports a variety of measurement function

Measurement function

DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature, Capacitor, Continuity Check, Diode Test

Other functions

Data Hold (D•H), Auto Hold (A•H), Range Hold (R•H), Maximum value* (MAX), Minimum value* (MIN), Average value* (AVG),

Zero Adjustment (Capacitor, Resistance), Relative values, Save to Memory*, LCD backlight. *: For model KEW1052 only

Switching detection modes

Effective value (root mean square value) detection (RMS) and mean value detection (MEAN)

can be switched during AC voltage measurement (KEW1052 only).

 Low-passlter

The low-pass lter can be switched on/off during AC voltage or AC current measurement.

Communication: optional communication set is required

• Measurement data can be transferred to a PC using an optional USB communication

package.

The data can be read by certain applications to make trend graphs or can be converted

into Excel les.

• The data can also be output from an optional printer via an optional printer communication

set.

(KEW1052 only).

Safety design

Complied standards: CE standards Uses a current-input terminal shutter for preventing wrong input. Uses high-performance UL-standard fuses.

2. Measurement Category

W ARNIN G

Internal Wiring

Outlet

Entrance Cable

Fixed Equipment, etc.

Distribution Board

CAT . II

Equipment

CAT.I

CAT .IV

CAT . III

Measurement Category (CAT.)

The restrictions on the maximum voltage level for which the KEW1051, KEW1052 can

be used, depend on the measurement categories specied by the safety standards.

Do not apply any input level higher than maximum allowable input.

AC/DC 1000V CAT.III AC/DC 600V CAT.IV

Measurement

category

CAT. I For measurements performed on circuits not

Ⅰ

Description Remarks

directly connected to MAINS.

CAT. II For measurements performed on circuits directly

Ⅱ

connected to the low voltage installation.

CAT.III For measurements performed in the building

Ⅲ

installation.

CAT.Ⅳ For measurements performed all the source of the

Ⅳ

low-voltage installation.

Appliances, portable equipment, ect.

Distribution board, circuit breaker, ect.

Overhead wire, cable systems, ect.

Note

Radiation immunity affects the accuracy of the KEW1051, KEW1052 under the

conditions specied in IEC61326-1.

Use of this instrument is limited to domestic, commercial, and light industry

applications. If equipment generating strong electromagnetic interference is located nearly, the instrument may malfunction.

3. Specications

3.1 GeneralSpecications

Measurement function: DC Voltage, AC Voltage, DC Current, AC Current, Resistance,

Frequency, Temperature, Capacitor, Continuity Check, Diode Test

Other functions: Data Hold (D•H), Auto Hold (A•H), Range Hold (R•H), Maximum

value* (MAX), Minimum value* (MIN), Average value* (AVG),

Zero Adjustment (Capacitor, Resistance), Relative values, Save to

Memory*, LCD backlight. *: For model KEW1052 only Measuring method: Σ modulation Display: 4-digit (LCD)/7-segment Maximum Reading: 6000 Polarity Indicator: “–” Appears automatically when the polarity is

negative Overrange Indicator: “ OL ” Low-battery Indicator: “

low Measurement cycle: 5 times per second (except frequency measurement : one time per second, Resistance

me as urement (6M Ω/ 60MΩ) : 2 .5 time s pe r se co nd, cap ac it or

measurement (1000μF) : max.0.14 time per second) Bar graph display approx 25 times per second (at AC, Ω)

Operating temperature and humidity ranges:

-10 to 55ºC, 80%RH or less (no condensation) 70%RH or less at 40 to 55ºC. Storage temperature and humidity ranges:

-30 to 70ºC, 70%RH or less (no condensation) Temperature coefcient:

(Accuracy at 23±5ºC× 0.1)/ºC should be added. (Temperature ranges: -10 to 18ºC and 28 to 55ºC) Power supply: AA-size (R6/LR6) 1.5V batteries: 4 Battery life: Approximately 300 hours (Operating hours of alkaline batteries when in DC voltage-mode.)

Note: The battery life varies depending on the operating conditions. Insulation resistance : 1000V DC, 100MΩ or more

” Appears when the batteries become

Withstand voltage: 6.88kVrms AC for ve seconds

(across input terminals and casing) External dimensions: Approximately 192(L)×90(W)×49(D)mm Weight: Approximately 560g (including batteries) Complied standards: Safety standards IEC61010-1, IEC61010-031 CAT.III (Max. input voltage: AC/DC1000V) CAT.IV (Max. input voltage: AC/DC600V) Pollution degree 2, indoor use, 2000m max. above sea level EMC standards IEC61326-1 Class B Effect of radiation immunity:

In the radio-frequency electromagnetic eld of 3 V/m, accuracy is

within ve times the rated accuracy.

Standard accessories: Batteries : 4 Test leads: 1set (M-7220) Fuse (included): 440mA/1000V (M-8926), 10A/1000V (M-8927) Instruction manual: 1 Blank cover: 1

Optional accessories: Carrying case M-9150

(for the main unit with test leads and

communication cable) Test leads (1set) M-7220

Fuse 440mA/1000V M-8926 10A/1000V M-8927 Temperature probes M-8405, 8406, 8407, 8408

Test leads with crocodile clip (1 set)

M-7234

Followings are for KEW1052 only. USB Communication set M-8241 (Software, USB adapter and

cable) Printer communication set M-8243 (Printer Adapter and Cable) Printer M-8246

AC adapter (for printer, Europe) Thermal paper for printer (10 rolls)

M-8248

M-8247

3.2 Accuracy

Test conditions: Temperature and humidity: 23±5ºC at 80%RH or less Accuracy: ±(% of reading + digits)

Note: Each response time is a value to rated accuracy within selected range.

DC Voltage Measurement V

Range Resolution Accuracy Input Resistance

600mV 0.1mV

6V 0.001V 11MΩ

60V 0.01V

0.09+2

10MΩ

10MΩ600V 0.1V

1000V 1V 0.15+2

NMRR: 60dB or more 50/60Hz±0.1% CMRR: 120dB or more 50/60Hz (Rs=1kΩ)

Response time: 1 sec max.

AC Voltage Measurement V

AC Coupling: RMS value detection, sine wave

MEAN value detection and RMS value calibration (KEW1052 only)

Range

Resolution

50/60Hz 40Hz to 500Hz 500Hz to 1kHz

600mV 0.1mV

6V 0.001V 11MΩ, <50pF

60V 0.01V

0.5+5 1+5

Accuracy

Impedance

10MΩ, <200pF

1.5+5 10MΩ, <50pF600V 0.1V

1000V 1V -

Accuracy: At 5 to 100% of range and 1000V range is 200 to 1000V. less than 1500V peak

For non-sinusoidal waveforms, add ±(2% + 2% of full scale), for Crest factor<3. CMRR: 60dB or more DC to 60Hz (Rs=1kΩ)

4 counts or less is corrected to 0, Response time: 2 sec max.

DC Current Measurement A

Range Resolution Accuracy Voltage Drop

600μA 0.1μA

6000μA 1μA

60mA 0.01mA

440mA 0.1mA

10A 0.01A

0.2+2

0.5+56A 0.001A

< 0.12mV/μA

< 3.3mV/mA

< 0.1V/A

Response time: 1 sec max.

Maximum

Input Voltage

1000V

rms AC

Input

Maximum

Input

Voltage

1000V

rms AC

1000V

Maximum

Input Current

440mA Protected by

a 440mA/1000V fuse.

10A Protected by

a 10A/1000V fuse.

AC Current Measurement [RMS] A

RMS value detection, sine wave

Range Resolution

600μA 0.1μA

6000μA 1μA

60mA 0.01mA

440mA 0.1mA

6A 0.001A

10A 0.01A

Accuracy

50/60Hz 40Hz to 1kHz

0.75+5 1.5+5

Voltage

Drop

< 0.12mV/μA

< 3.3mV/mA

< 0.1V/A

Maximum

Input Current

440mA Protected by a

440mA/1000V fuse.

10A Protected by a

10A/1000V fuse.

Accuracy: At 5 to 100% of range, 10A range is 2 to 10A and 440mA range is 30 to 440mA.

For non-sinusoidal waveforms, add ±(2% + 2% of full scale), for Crest factor<3.

4 counts or less is corrected to 0, Response time: 3 sec max.

ResistanceMeasurementΩ

Range Resolution Accuracy

Measuring

Current

Maximum

600Ω 0.1Ω

6kΩ 0.001kΩ <110μA

60kΩ 0.01kΩ <13μA

0.4+1

< 1.2mA < 3.5V

600kΩ 0.1kΩ <1.3μA

6MΩ 0.001MΩ 0.5+1

60MΩ 0.01MΩ

1+2 (~40MΩ)

2+2 (40~60MΩ)

<130nA

Open-loop

Voltage

< 1.3V

Input

Protective

Voltage

1000V

rms

Accuracy is specied after zero adjustment at 600Ω to 6kΩ (Resistance) Response time: 2 sec max. at 600Ω to 600kΩ, 10 sec max. at 6M to 60MΩ

Continuity Check

Range Resolution Range of Operation

The buzzer turns on

600Ω 0.1Ω

for resistances lower

than 50±30Ω.

Measuring

Current

Approx.

<1.2mA

Open-loop

Voltage

Input Protective

Voltage

<3.5V 1000V rms

Diode Test

Range Resolution Accuracy

Measuring Current

(Vf=0.6V)

Open-loop

Voltage

Input Protective

2V 0.001V 1+2 Approx. 0.5mA <3.5V 1000V rms

Voltage

Temperature Measurement TEMP

Range Resolution Accuracy

Input Protective

Voltage

-50 ~ 600°C 0.1°C 2+2°C

-58~ 999.9°F

-58~ 1112°F

0.1°F 1°F

2+3.6°F

2+3°F

1000V rms

Use optional Temperature Probe: Thermocouple Type K

Capacitor Measurement

Range Resolution Accuracy

Input Protective

Voltage

10nF 0.01nF 2+10

100nF 0.1nF

10μF 0.01μF

100μF 0.1μF

1000μF 1μF

2+51μF 0.001μF

3+5

1000V rms

Accuracy is specied after zero adjustment at 10n to 1μF (Capacitance).

Frequency Measurement Hz

AC Coupling, Maximum Reading 9999

Range Resolution Accuracy Input Voltage

10.00 to 99.99Hz 0.01Hz

90.0 to 999.9Hz 0.1Hz

0.900 to 9.999kHz 0.001kHz 0.4 to 600Vrms

0.02+1

0.2 to 600Vrms

9.00 to 99.99kHz 0.01kHz 0.8 to 100Vrms

+ 28 hidden pages

KYORITSU 1052 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual