Extech Instruments Lcr200 Manuale utente

User's Guide

Digital LCR Meter

Model LCR200

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Extech LCR200 Passive Component LCR Meter

2 LCR200-EU-EN V1.5 11/13

Introduction

Congratulations on your purchase of Extech's Model LCR200 LCR meter. This meter will

accurately measure capacitors, inductors and resistors using the test frequencies of 100Hz, 120Hz

1 kHz, 10 kHz and 100 kHz. The dual display will simultaneously display the associated quality

factor, dissipation or phase angle value using a series or parallel equivalent circuit.

This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable

service.

Features

* 19,999/1,999 count dual LCD display.

* Auto LCR smart check and measurement.

* Serial/Parallel modes are selectable.

* Ls/Lp/Cs/Cp with D/Q/RP/ESR parameters.

* DC Resistance.

* Five test frequencies are available: 100Hz/120Hz/1kHz/10kHz/100kHz.

*Test AC signal level : 600mV rms typically.

* Test range : ( ex. F = 1 KHz )

L : 0.00uH to 2000.0H

C : 0.0pF to 2.000 mF

R : 0.000to 200.0 M

* Multi-level battery detector.

* LCD with green backlight.

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3 LCR200-EU-EN V1.5 11/13

Meter Description

1. Display

2. Power Adapter Socket

3. Frequency

Button

4. Button

5. CAL

Button

6. Backlight

Button

7. , D/Q/Button

8. REL/%/ Button

9. Input terminals (pin terminals)

10. Input terminals (banana terminals)

11. Hold Button

12. RS232 Port (not active on this model)

13. L/C/R

Button

14. Enter

Button

15. , SER/PAR Button

16. Sort Button

17. Setup

Button

18. Power

Button

19. Stand

(rear)

20. BatteryCompartment (rear)

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4 LCR200-EU-EN V1.5 11/13

Operation

Setup

1. Press the Power button to turn the meter on.

2. The meter will turn on in the default mode: AUTO LCR and 1kHz

3. APO will be active with auto shutoff every 5 minutes unless an AC adaptor is used.

LCR primary parameter selection

1. The meter will turn on with auto parameter selection enabled and with the ”APO” (auto power

off), “Auto” (autoranging) and “LCR” (auto-parameter) icons appearing at the top of the

display.

2. To manually select the parameter, press the L/C/R button to step through and select the

parameter needed. Each button press will sequentially display:

Auto-LCR Auto Range Auto Parameter

Auto-L Auto Range Inductance

Auto-C Auto Range Capacitance

Auto-R Auto Range Resistance

DCR DC Resistance

3. The value of the primary parameter will be displayed in the upper display and the secondary

parameter in the lower display.

D/Q/θsecondary parameter selection

1. The meter will turn on with auto parameter selection “LCR” enabled. .The primary and

secondary parameter will be automatically selected based on the value of the measured

impedance.

2. To manually select the secondary display, first select the primary display.

3. Press the D/Q/button to select the secondary parameter:

L D, Q, ESR(RP) or 

C D, Q, ESR(RP) or 

R none

DCR none

4. The value of the secondary parameter will be displayed in the lower display

Series or Parallel

1. When the L/C/R function mode is selected and ‘AUTO” is enabled, the default measurement

in serial or parallel mode is auto selected. A parallel equivalent circuit (Lp, Cp or Rp) will be

selected if the impedance is greater than 10k. A series equivalent circuit ( Ls, Cs or Rs) will

be selected if the impedance is less than 10k.

2. Press the SER/PAR button as needed to change the default selection.

Frequency

Press the FREQ button to change the test frequency. The selections are: 100Hz, 120Hz, 1kHz,

10kHz and 100kHz.

Data Hold

Press the HOLD button to freeze the reading in the display. Push the HOLD key again to cancel

the hold mode and return to normal operation.

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5 LCR200-EU-EN V1.5 11/13

Relative / % Function

The REL/% mode allows for % deviation measurements from a stored reference value.

1. Setup the meter with the parameters required for the test to be performed.

2. Insert the reference component into the test fixture and wait for a stable reading.

3. Press the REL/% button to store the value. The icon will appear in the display.

4. For all subsequent measurements, readings on the lower display will indicate the %

difference between the currently measured component and the stored value.

5. Press and hold the REL/% button for >2 seconds to exit the mode.

Sorting

The sorting mode is used to select components within a % limit of a reference value.

1. Insert the reference component and set the test parameters. “LCR” auto-parameter is not

allowed in the sorting mode.

2. With the desired reading in the display, press the SORT button to establish the reference

value. The main display will indicate “PASS” and the lower display will indicate the value of

the component. The default sorting % is +/- 1%.

Note: If the reference value is above 2000 counts or below 200 counts, sort will not work.

3. Press the SETUP button in sequence to change the Range, Reference Value, and the %

Tolerance.

a. Range: With the “RANGE” icon flashing, press the or button to change the range.

Press the ENTER button to store the setting and proceed to the Value setting.

b. Value Setting: Press the or button to select the flashing digit for adjustment. Press

the or button to adjust the value of the digit. Press the ENTER button to store the

setting and proceed to the Tolerance setting.

c. Tolerance setting: Press the or button to step through the available tolerance

selections:

± 0.25%

± 0.5%

± 1%

± 2%

± 5%

± 10%

± 20%

+80% -20%

Press the ENTER button to store the Tolerance setting.

4. Press the SORT button for > 2 seconds to exit the Sorting mode.

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6 LCR200-EU-EN V1.5 11/13

Open/Short Calibration

In order to improve the accuracy for high/low impedance measurements, it is recommended to do

OPEN/SHORT calibration mode before the measurement. This removes stray impedances in test

leads or fixtures.

1. Press the CAL button for greater than 2 seconds to start the open/short calibration procedure

2. The “CAL” icon and “OPEn” appear in the display

3. With no component connected, press the CAL button. The display will count down from 30

and either “PASS” or “FAIL” will appear in the display.

4. Press the CAL button and “Srt” will appear.

5. Short the input and press the CAL button. The display will count down from 30 and either

“PASS” or “FAIL” will appear in the display.

6. Press the CAL button to exit the cal mode.

7. If PASS appeared for both the OPEN and SHORT modes, the calibration data will be stored.

8. If FAIL appeared for either calibration, the impedance was too large to zero out and the data

is not stored.

Backlight

Press the backlight button to turn the backlight on. Press again to turn it off.

Guard Terminal

The guard is used to improve noise immunity and reduce stray impedances. The optional test

fixtures utilize the guard feature.

Auto Power Off

In order to extend battery life﹐

APO will turn the meter off after 5 minutes of inactivity (no button is

pressed). The meter will alarm (beep) three times before the power is shut off. Press any button to

reset the APO and continue using the meter.

RS232 output port

The RS232 port is not active on this meter.

AC Adaptor

The meter can be powered from an AC adaptor (9VDC, 1A). When an AC adaptor is used, APO is

disabled. Purchase a Linear Power Supply (9V 1A) from a third party.

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7 LCR200-EU-EN V1.5 11/13

Battery Replacement

The battery icon indicates the status of the 9V battery. A fresh battery will have three lines

above it. As the battery weakens, the number of lines will decrease. When the battery becomes

too weak to power the meter, “batt” will appear in the display and the meter will shut down.

To replace the battery:

1. Remove the two screws holding the rear bottom battery cover.

2. Remove and replace the 9V battery

3. Secure the cover with the two screws

All EU users are legally bound by the battery ordinance to return all used batteries to

collection points in your community or wherever batteries / accumulators are sold!

Disposal in the household garbage is prohibited!

Optional Accessories

LCR203 SMD Component Tweezers

Used to quickly measure and sort chip components.

LCR205 SMD Component Fixture

Used to accurately measure surface mount devices

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8 LCR200-EU-EN V1.5 11/13

Specifications

Display LCD size

66.8 X 52.8mm

(2.6 x 2.1”

) backlit LCD

Test frequency 100Hz, 120Hz, 1KHz, 10 KHz, 100KHz

Dissipation factor 0.000 to 1999

Quality factor 0.000 to 1999

measurement ± 90°

Sorting tolerance ± 0.25%, ± 0.5%, ± 1%, ± 2%, ± 5% ± 10%, ± 20%, +80% -20%

Calibration Open/Short calibration

Power off Auto shut off saves battery life or manual off by push button

Operating temperature 0°C to 50°C (32 to 122°F)

Operating humidity < 85% R.H

Power Supply 006P DC 9V battery

* Alkaline or Heavy duty type

Power consumption DC 35 mA approximately

Dimension 193 x 88 x 41mm (7.6 x 3.5 x 1.6”)

Weight 385 g (13.6 oz.)

* meter only

Electrical Specifications (23± 5 ° C )

DC Resistance

Range Accuracy Remark



± ( 0.5%rdg + 5digits ) After calibration

200



± ( 0.5%rdg + 5digits )



± ( 0.5%rdg + 5digits )

20k



± ( 0.5%rdg + 5digits )

200k



± ( 0.5%rdg + 5digits )



± ( 0.5%rdg + 5digits ) After calibration

20M



± ( 1.0%rdg + 5digits ) After calibration

200M



± ( 2.0%rdg + 5digits) After calibration

AC Resistance

RangeAccuracy Accuracy Remark

100Hz/120Hz 1000Hz



± ( 1% + 5digits ) ± ( 1%rdg + 5digits )

fter calibration

200



± ( 0.5%rdg + 5digits ) ± ( 0.5%rdg + 5digits )



± ( 0.5%rdg + 5digits ) ± ( 0.5%rdg + 5digits )

20k



± ( 0.5%rdg + 5digits ) ± ( 0.5%rdg + 5digits )

200k



± ( 0.5%rdg + 5digits ) ± ( 0.5%rdg + 5digits )



± ( 1.0%rdg + 5digits ) ± ( 1.0%rdg + 5digits )

fter calibration

20M



± ( 1.0%rdg + 5digits ) ± ( 2.0%rdg + 5digits )

fter calibration

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9 LCR200-EU-EN V1.5 11/13

Range Accuracy Accuracy

10kHz 100kHz



± ( 1.0%rdg + 5digits ) ± ( 2.0%rdg + 5digits ) After calibration

200



± ( 0.5%rdg + 5digits) ± ( 0.5%rdg + 5digits )



± ( 0.5%rdg + 5digits ) ± ( 0.5%rdg + 5digits )

20k



± ( 0.5%rdg + 5digits ) ± ( 0.5%rdg + 5digits )

200k



± ( 0.5%rdg + 5digits ) ± ( 0.5%rdg + 5digits )



± ( 1%rdg + 5digits ) ± ( 2.0%rdg + 5digits ) After calibration

20M



± ( 2.0%rdg + 5digits ) --------------------- After calibration

* If the impedance is larger than 10k, Rp is shown on the display.

* If the impedance is less than 10k, Rs is shown on the display.

Capacitance ( Cp/Cs ) : D

≦

0.1

Range Accuracy Accuracy Remark

100Hz/120Hz 1000Hz

20pF

± (2.0%rdg + 5digits ) ± (1.0%rdg + 5digits ) After calibration

200pF

± (1.0%rdg + 5digits ) ± (1.0%rdg + 5digits ) After calibration

2000pF

± (0.8%rdg + 5digits ) ± (0.8%rdg + 5digits ) After calibration

20nF

± (0.5%rdg + 5digits ) ± (0.5%rdg + 5digits )

200nF

± (0.5%rdg + 5digits ) ± (0.5%rdg + 5digits )

2000nF

± (0.5%rdg + 5digits ) ± (0.5%rdg + 5digits )

20uF

± (0.5%rdg + 5digits ) ± (0.5%rdg + 5digits )

200uF

± (0.5%rdg + 5digits ) ± (0.5%rdg + 5digits ) After calibration

2000uF

± (1.0%rdg + 5digits ) ± (1.0%rdg + 5digits ) After calibration

20mF

± (2.0%rdg + 5digits ) ------------------------ After calibration

Capacitance ( Cp/Cs ) : D

≦

0.1

Range Accuracy Accuracy Remark

10kHz 100kHz

20pF

± (1.0%rdg + 5digits ) ± (1.0%rdg + 5digits ) After calibration

200pF

± (0.5%rdg + 5digits ) ± (0.5%rdg+ 5digits ) After calibration

2000pF

± (0.5%rdg + 5digits ) ± (0.5%rdg+ 5digits) After calibration

20nF

± (0.5%rdg + 5digits ) ± (0.5%rdg+ 5digits )

200nF

± (0.5%rdg + 5digits ) ± (0.5%rdg+ 5d igits)

2000nF

± (0.5%rdg + 5digits ) ± (0.5%rdg+ 5digits )

20uF

± (0.8%rdg + 5digits ) ± (0.8%rdg+ 5digits )

200uF

± (1.0%rdg + 5digits ) -------------------------- After calibration

* If the impedance is larger than 10k, Cp is shown on the display.

* If the impedance is less than 10k, Cs is shown on the display.

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10 LCR200-EU-EN V1.5 11/13

Inductance ( Lp/Ls ) : D

≦

0.1

Range Accuracy Accuracy Remark

100Hz/120Hz 1000Hz

20uH ± (1% + 5d ) ± (1% + 5d ) After calibration

200uH ± (1% + 5d ) ± (1% + 5d ) After calibration

2000uH ± (0.8% + 5d ) ± (0.8% + 5d )

20mH ± (0.5% + 5d ) ± (0.5% + 5d )

200mH ± (0.5% + 5d ) ± (0.5% + 5d )

2000mH ± (0.5% + 5d ) ± (0.5% + 5d )

20H ± (0.5% + 5d ) ± (0.5% + 5d )

200H ± (0.5% + 5d ) ± (0.8% + 5d ) After calibration

2000H ± (1% + 5d ) ----------------------- After calibration

Range Accuracy Accuracy Remark

10kHz 100khz

20uH ± (1% + 5d ) ± (1% + 5d ) After calibration

200uH ± (0.8% + 5d ) ± (0.8% + 5d ) After calibration

2000uH ± (0.5% + 5d ) ± (0.5% + 5d )

20mH ± (0.5% + 5d ) ± (0.5% + 5d )

200mH ± (0.5% + 5d ) -----------------------

2000mH ± (0.5% + 5d ) -----------------------

Note:

* If the impedance is larger than 10k, Lp is shown on the display.

* If the impedance is less than 10k, Ls is shown on the display.

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