Lutron Electronics LCR-9083 Manual de usuario
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
3. FRONT PANEL DESCRIPTION ...................................4
3-1 Display ............................................................4
3-2 Power On/Off switch......................................... 4
3-3 Function switch................................................
.
4
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 ......................................................
.
11
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
g
ator clips ..................1 pair
1
2-2 Electrical specifications ( 23 5 C )
A
.
I
n
d
uc
t
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.
B
.
C
apac
it
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
d)
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
f
2 nF ran
g
e
(
open circui
t)
30 pF
*
Th
e exact measurin
g
va
l
ue
f
or t
h
e 2 nF ran
g
e, s
h
ou
ld
rea
d
t
h
e meter
'
s rea
d
in
g
va
l
ue, t
h
en
d
e
d
uct t
h
e Zero stray
capacitance va
l
ue
(
open circuit va
l
ue
)
. For examp
l
e : T
he
meter
'
s rea
d
in
g
is 32 pF, t
h
e open circuit va
l
ue is 12 pF,
t
h
e exact measurin
g
va
l
ue is 32 pF - 12 pF = 20 pF.
2
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
:
a.
T
hou
g
h the internal test frequency is approx. 250 Hz.
However the accuracy ad
j
ustment are executed as :
* For the capacitance ( 2 uF, 200 nF, 20 nF, 2 nF ) ran
g
e,
the acuracy ad
j
ustment is compared with the " Standard
capacitor that tested under the 1 KHz frequency ".
* For the capacitance ( 20 uF, 200 uF ) ran
g
e, the
accuracy ad
j
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
g
e,
the accuracy ad
j
ustment is compared the " Standard
inductor that tested on the 1 KHz ".
* For the inductance ( 20 H ) ran
g
e, the calibration is
compared the " Standard inductor that tested on the
100 Hz ".
b.
T
he above spec. accuracy are tested under th
e
environment RF Field Stren
g
th less than 3 V/M & frequenc
y
less than the 30 MHz only.
D. Diode
* Short/non conductance,
g
ood/defect test
* Approx. diode forward volta
g
e ( VF ) measurement.
* Open circuit volta
g
e is DC 3 V.
3
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.
5
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.
6
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 "
7
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
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