Lutron Electronics LCR-9083 Manuale utente

TABLE OF CONTENTS

1. FEATURES .............................................................. 1

2. SPECIFICATIONS .................................................... 1

2-1 General Specifications ........................................ 1

2-2 Electrical specifications .......................................2

A. Inductance.......................................................2

B. Capacitance range ........................................... 2

C. Resistance range ............................................. 3

D. Diode .............................................................

3. FRONT PANEL DESCRIPTION ...................................4

3-1 Display ............................................................4

3-2 Power On/Off switch......................................... 4

3-3 Function switch................................................

3-4 LC/R select switch.............................................4

3-5 Clip input terminals .......................................... 4

3-6 Direct input terminals .......................................4

3-7 Battery Compartment/Cover.............................. 4

4. INDUCTANCE (L) MEASURING PROCEDURES.............5

5. CAPACITANCE (C) MEASURING PROCEDURES........... 6

6. RESITANCE (R) MEASURING PROCEDURES............... 8

7. DIODE MEASURING PROCEDURE .............................9

8. MAINTENANCE ......................................................

9. BATTERY REPLACEMENT .........................................11

1. FEATURES

* Digital display & battery operated, Inductance, Capacitance

Resistance and Diode measurement.

* LSI-circuit provides high reliability and durability.

* LCD display for clear readout even in bright ambient

light conditions.

* Input overload protection .

* Rotary switch function selector .

* Low battery indicator.

2. SPECIFICATIONS

2-1 General Specifications

Display 18 mm ( 0.7" ) LCD, Max. reading 1999.

Measuremnet Indctance : 2 mH to 2 H, 5 ranges.

Capacitance : 2 nF to 200 uF, 6 ranges.

Resiatnce : 200 ohm to 20 M Ohm, 6 ranges.

Diode test

Over-input " 1 " mark indication.

indicator

Sampling Time Approx. 0.4 second.

Operating 0 蚓to 50 蚓(32 蚌to 122 蚌).

Temperature & Less than 80% RH.

Humidity

Power Supply 006 P DC 9V battery, heavy duty battery.

Dimensions 185 x 87 x 39 mm(7.3 x 3.4 x 1.5 inch)

Weight 280 g/0.62 LB.

Power R measurement : Approx. 9 mA max.

Consumption L & C measurement : Approx. 13 mA max.

Accessories Instruction Manual .................1 PC

Included Test alli

ator clips ..................1 pair

2-2 Electrical specifications ( 23 5 C )

ance

Range

In-range Reso-

Accuracy

Inductor

Display lution Resistance

Limitation

* 2 mH 0.02 mH-2 mH 1 uH 3 %+3 d) < 2 ohm

20 mH 2 mH - 20 mH 10 uH < 100 ohm

200 mH 20 mH-200 mH 100 uH

2 H 0.2 H - 2 H 1 mH 5 %+5 d) < 500 ohm

20 H 2 H - 20 H 10 mH

@ uH = micro Henry (10 -6H), mH = mili Henry (10 -3H).　　

@ Test frequency approx. 200 Hz.

* Zero stray inductance of 2 mH range (short circuit) :0 uH.

* The exact measuring value for the 2 mH range, should read

the meter's reading value, then deduct the Zero stray

inductance value ( short circuit value ). For example : The

meter's reading is 7 uH, the short value is -15 uH,

the exact measuring value is 7 uH - (-15 uH ) = 22 uH.

apac

ance

Range

In-range Reso- Test Fre-

Accuracy

Display lution quency

2 nF 10 pF-2 nF 1 pF 200 Hz

20 nF 200 pF-20 nF 10 pF 200 Hz

200 nF 2 nF - 200 nF 100 pF 200 Hz

(

3 % + 3

2 uF .02 uF - 2 uF 1 nF 200 Hz

20 uF 0.2 uF - 20 uF 10 nF 200 Hz

200 uF 2 uF - 200 uF 100 nF 30 Hz

@pF= pico Farad (10 -12F)　nF= nano Farad (10 -9F)　

uF= micro Farad (10 -6F)　

Zero stray capacitance o

2 nF ran

(

open circui

30 pF

e exact measurin

or t

e 2 nF ran

e, s

rea

e meter

s rea

ue, t

uct t

e Zero stray

capacitance va

(

open circuit va

)

. For examp

e : T

meter

s rea

is 32 pF, t

e open circuit va

ue is 12 pF,

e exact measurin

ue is 32 pF - 12 pF = 20 pF.

C. Resistance

Range

Resolution Open

Accuracy

Circuit

Voltage

200 ohm 0.1 ohm

2 k 1 ohm Approx.

20 k 10 ohm DC 3 V ( 2 % + 3 d )

200 k 100 ohm

2000 k 1 k

20 M 10 k Approx.

DC 1.5 V

Remark

hou

h the internal test frequency is approx. 250 Hz.

However the accuracy ad

ustment are executed as :

* For the capacitance ( 2 uF, 200 nF, 20 nF, 2 nF ) ran

the acuracy ad

ustment is compared with the " Standard

capacitor that tested under the 1 KHz frequency ".

* For the capacitance ( 20 uF, 200 uF ) ran

e, the

accuracy ad

ustment is compared with the " Standard

capacitor that tested on the 100 Hz frequency ".

* For the inductance ( 2 mH, 20 mH, 200 mH, 2 H ) ran

the accuracy ad

ustment is compared the " Standard

inductor that tested on the 1 KHz ".

* For the inductance ( 20 H ) ran

e, the calibration is

compared the " Standard inductor that tested on the

100 Hz ".

he above spec. accuracy are tested under th

environment RF Field Stren

th less than 3 V/M & frequenc

less than the 30 MHz only.

D. Diode

* Short/non conductance,

ood/defect test

* Approx. diode forward volta

e ( VF ) measurement.

* Open circuit volta

e is DC 3 V.

4. INDUCTANCE (L) MEASURING

PROCEDURES

1)Slide the " Power On/Off switch " (3-2, Fig. 1) to the " 1 "

position.

" 1 " = On " 0 " = Off

2)Slide the " L/C,R switch " ( 3-4, Fig. 1 ) to the " L/C "

position.

3)Rotate the function switch for the maximum expected

inductance range.

4)Plug the " Test alligator clips " to the " Measuring input "

(3-5, Fig.1), then connect the inductor to the alligator

clips.

5)Read the display. The value indicated corresponds to

the range selected. If the DISPLAY shows "1", it

indicates an Out-of-Range measurement. In order

to improve the resolution, Select the next higher range.

NOTE:

1) *

If the inductance value is unmarked start

with the Lower range ( 2 mH ) and keep

increasing until a suitable reading is obtained.

2)*

For the 200 mH range are designed for measuring

from 20 mH to 200 mH only. It is normal, if get the no

convineant reading value when measue inductance less

than 20 mH of 200 mH range.

For the 2H range are designed for measuring from 0.2 H

to 2H only. It is normal, if get the no convineant

reading value when measue inductance less than 0.2 H

of 2 H range.

For the 20H range are designed for measuring from

2 H to 20H only. It is normal, if get the no convineant

reading value when measue inductance less than 2 H

of 20 H range.

3)Consideration for internal circuit's stray inductance of 2

mH range, if intend to make the precision measurement,

should short the input terminal first, record the display

Then final true measurement value will be the " reading

value " deduct above " internal circuit stray inductance "

For example : If the stray inductance is -15 uH, then the

real real value is the reading value plus 15 uH ( deduct

-15 uH ).

4)Measurement of very low inductance should be

performed using extremely short leads in order to avoid

introducing any stray capacitance.

5)This instruments is not intended for determining the "Q"

factor for the inductor. Misleading readings may be

obtained if the measurement of the inductance of a

resistor is attempted.

5. CAPACITANCE (C) MEASUREMENT

PROCEDURES

1)Slide the " Power On/Off switch " (3-2, Fig. 1) to the " 1 "

position.

" 1 " = On " 0 " = Off

2)Slide the " L/C,R switch " ( 3-4, Fig. 1 ) to the " L/C "

position.

3)Rotate the function switch for the maximum expected

capacitance range.

4)Plug the " Test alligator clips " to the " Measuring input "

(3-5, Fig.1), then connect the inductor to the alligator

clips.

Observe polarity when connecting polarized

capacitors.

Fully discharge any charged capacitors.

5)Read the display. The value indicated corresponds to

the range selected. If the DISPLAY shows "1", it

indicates an Out-of-Range measurement. In order

to improve the resolution, Select the next higher range.

NOTE:

1) *

If the capacitance value is unmarked start

with the Lower range ( 2 nF ) and keep

increasing until a suitable reading is

obtained.

2)*

For the 200 nF range are designed for measuring from

2 nF to 200 nF only.

For the 2 uF range are designed for measuring from

0.02 uF to 2 uF only.

For the 20 uF range are designed for measuring from

0.2 uF to 20 uF only.

For the 200 uF range are designed for measuring from

2 uF to 200 uF only.

It is normal, if get the no convineant reading

value when measue capacitacitance :

< 2 nF of 200 nF range.

< 0.02 uF of 2 uF range.

< 0.2 uF of 20 uF range.

< 2 uF of 200 uF range.

3)Consideration for internal circuit's stray capacitance of 2

nF range, if intend to make the precision measurement,

should open the test alligators (not connect the measuring

capacitor ), record the display (for example 15 uF ..... it is

the circuit's stray capacitance). Then final true

measurement value will be the " reading value " deduct

above " internal circuit stray capacitance "

4) A capacitor with low voltage leakage will read over range,

or a much higher value than normal. An open circuit

capacitor will read zero on all ranges (possibly a few pF

on 2nF range, due to stray capacitance of the instrument).

5)Measurement of very low capacitance should be

performed using extremely short leads in order to avoid

introducing any stray capacitance.

6)When using the test leads, remember that the leads may

introduce a measurable capacitance to the measurement.

Capacitors, especially electrolytics, often have notoriously

wide tolerances.

6. RESISTANCE (R) MEASUREMENT

PROCEDURES

1)Slide the " Power On/Off switch " (3-2, Fig. 1) to the " 1 "

position.

2)Slide the " L/C,R switch " ( 3-4, Fig. 1 ) to the " R "

position.

3)Rotate the function switch for the maximum expected

inductance range.

4)Plug the " Test alligator clips " to the " Measuring input "

(3-5, Fig.1), then connect the inductor to the alligator

clips.

5)Read the display. The value indicated corresponds to

the range selected. If the DISPLAY shows "1", it

indicates an Out-of-Range measurement. In order

to improve the resolution, Select the next higher range.

NOTE:

In order to make precision measurement at lower ranges,

deduct the stray resistance of measuring leads from the

readings. The stray resistance can be measured by

shorting the leads. 8

Indice

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