Megger LCR131 Manual de usuario

LCR131

Dual display meter

User Manual

LCR131

Parameters Measured L/C/R/D/Q

Measuring Circuit Mode

Inductance (L)

–Defaults to series mode

Capacitance/ Resistance (C/R)

-Defaults to parallel mode

Displays L/C/R: Maximum display 19999

D/Q: Maximum display 999 (Auto Range).

Ranging Mode Auto & Manual

Measuring Terminals 3 terminals with sockets

Test Frequency

Accuracy:

±0.1 %

120Hz= 120 Hz

1KHz =1010 Hz

Backlit display Excluded

Tolerance mode 1%, 5%, 10%

Test Signal Level 0.6Vrms approx.

Measuring Rate 1 time/second, nominal

Response time

Approx. 1 second/ DUT (device under

test)(@ manual range)

Auto Power-Off 5 minutes approx. without operation

Temperature Coefficient

0.15 x (Specified Accuracy) / (0-18 or

28-40 )

Operation Temperature

0to 40 ; 0-70% R.H.

Storage Temperature -20 to +50 ; 0-80% R.H.

Low Battery Indication

Approx. 6.8V

Protective Fuse 0.1A/250V Fuse (input protective)

Standard Accessories Test alligator clips (pair)

DC 9V Battery.

User manual

Optional Accessories Carrying case

RS232 package

SMD Tweezers

DC Adaptor (EA112: AC120V) / (EA55:

AC220V).

Dimensions (L/W/H) 184/ 87/ 41 mm

Weight 330 grams

LCR131 COMPONENT TESTER

USER MANUAL

Table of Contents

PAGE

Safety 1

Introduction 3

Front Panel Illustration 4

LCD Display Illustration 5

How to Operate 7

Operating Instructions 11



Data Hold 11



Static Recording 11



Dissipation Factor / Quality Factor 11



Test Frequency 12



L/C/R function selector 12



Relative 12



Tolerance 12



Auto/manual ranging 13



Automatic Fuse Detection 13



Parallel / Series Mode 13



Calibration 14



Auto Power Off/ Disable Auto Power Off 15



Low Battery Indication 15



Communication 15

General Specification 17

Electrical Specification 18

Maintenance 21

Safety

Read "SAFETY INFORMATION" before using this meter.



NOTE

This meter is a hand-held, battery-operated instrument for

testing inductance, capacitance and resistance. If this device

is damaged or has any parts missing, contact the retailer

immediately.

This manual contains information and warnings which must

be followed to ensure safe operation as well as to ensure the

meter remains in a safe condition. Some common

international electrical symbols used in this manual are

shown in the table below:

DC - Direct Current

See Explanation In The

Manual

Table 1-1. International Electrical Symbols

Before using the meter, read the following safety information

carefully. In this manual, "WARNING", is reserved for

conditions and actions that pose hazard(s) to the user;

"CAUTION", is reserved for conditions and actions that may

damage your meter.



SAFETY INFORMATION

To ensure that you use this device safely, follow the

safety guidelines listed below:

This meter is for indoor use, altitude up to 2,000 m.

The warnings and precautions should be read and well

understood before the instrument is used.

Use this device only as specified in this manual; otherwise,

the protection provided by the meter may be impaired.

When measuring in-circuit components, first de-energize

the circuits before connecting to the test leads.

Discharge capacitors before testing.

The power for the meter is supplied with a single standard

9V battery. It is also possible to use external power using

a 12V DC adaptor conforming to IEC 60950.

Introduction

This 19,999-count L/C/R hand-held meter is a special

microprocessor-controlled meter for measuring functions of

inductance, capacitance and resistance. Extremely simple

to operate, the instrument not only takes absolute parallel

mode measurements, but is also capable of series mode

measurement. The meter provides direct and accurate

measurements of inductors, capacitors and resistors with

different testing frequencies. It is possible to select between

auto and manual ranging.

Front panel pushbuttons maximize the convenience of

function and feature selection such as data hold; maximum,

minimum and average record mode; relative mode; tolerance

sorting mode; frequency and L/C/R selection.

The test data can be transferred to PC through an optional full

isolated optical RS232C interface and CP-09 software.

A tilt stand provides position flexibility for viewing and

operating the meter. The rubber over-molded case both

protects the meter in harsh environments, and improves grip

in the hand. While single 9V battery operation is standard for

the meter, a standard DC 12V power adaptor can also be

used as an optional power input.

Front Panel Illustration

1. LCD display

2. PowerON/OFFbutton

3. RS232 selector

4. Dissipation factor and Quality factor selection button

5. Test frequency selection button

6. Inductance, Capacitance and Resistance function

selection button. Parallel and series mode selection

button

7. Tolerance mode selection button

8. Data hold, Maximum, Minimum and Average reading

selection button

9. Range selection button

10. Relative mode and Calibration selection button

11. DC 12V adaptor input

12. Input sockets and Terminals

Figure-1. Front panel for LCR131.

LCD Display Illustration

Figure 2. LCD Display.

1. AUTO: Auto-ranging indicator

2. LCR: L, C or R function indicator

3. MAX: Maximum reading indicator

4. AVG: Average reading indicator

5. REL: Relative mode indicator

6. MIN: Minimum reading indicator

7. DH: Data hold indicator

9. Q: Quality factor indicator

10. D: Dissipation factor indicator

11. : Secondary display

12. : Beeper tone indicator for tolerance mode

13. %: Tolerance (percentage) indicator

14. deg: Phase Angle degree indicator (Model-A only )

15. kHz: Frequency indicator

16. MAX AVG MIN: Recording mode indicators

17. TOL: Tolerance mode indicator

18. 1%5%10%: Tolerance sorting (percent) indicator

19. : Auto power- off indicator

20. : Low battery indicator

21. PAL: Parallel mode indicator

22. SER: Series mode indicator

23. Mk: Resistance (Ohm) indicator

24. : Inductance (Henry) indicator

25. : Capacitance (Farad) indicator

26. : RS232 indicator

Special Indication Characters

: Indicates short connectors

: Indicates open connectors

: Indicates calibration mode

: Indicates damaged or open fuse

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