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Chapter 8

Packing List

1. Main unit x1

2. Measuring wire x1

3. Power cord x1

4. PDF Manual x1

Warranty: two years for non-human factor.

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Содержание 2811C

Страница 1: ...1 English Manual 2817B 2811C LCR METER ...

Страница 2: ...d under the low noise environment If high noise is unavoidable please install power filter 4 If unused for long time please put this meter into the origin or similar package The storage temperature 5 40 Relative humidity 85 No corrosive materials in the air and direct sunlight 5 The meter especially the testing leads connected with the samples should stay away from the strong electromagnetic field...

Страница 3: ...xD 350mm x 110mm x 340mm 3 Weight 7 2kg Chapter 2 Panel Introduction 1 First level Menu Figure 4 1 First level menu is shown as Figure 4 1 Display definition is as follows FUN Cs D F 1 0kHz Cs 1 0000uF LEVE 1 0V RANGE AUTO SPEED MED CLEAR OFF D 0 0001 IN_R 30R MODE TOL ...

Страница 4: ... 400Hz 500Hz 800Hz 1kHz 2kHz 4kHz 5kHz 8kHz 10kHz 20kHz 25kHz 40kHz 50kHz 100kHz total 20 frequencies are available LEVE Testing level Can choose 1V 0 3V 0 1V RANG E Testing range Can choose AUTO and HOLD SPEED Testing speed Can choose FAST MED SLOW CLEAR Clear data IN_R Internal resistance Can choose 30Ω and 100Ω MODE Display mode Can choose TOL and TOL 2 Second level menu NOMNAL BIN LOW HIGH 1 0...

Страница 5: ...ing fixtures or cables Keep the samples clean and ensure they have good contact with testing terminals 3 4 Select corresponding measurement conditions according to requirements of samples 2 First level menu operation 3 2 1 Parameter settings Press PARAMETER key change measuring parameters When users press this key parameter is anti color display loose this key anti color bar disappear 3 2 2 Freque...

Страница 6: ...ns direct display 1 Second level menu Second level menu is used for setting the limits of stalls when components are sorting Users have to set the limits for component sorting There are 2 limits for every stall upper limit and inferior limit Display Definition NOMNA L Nominal value settings COMP Component sorting switch settings ALARM Alarm switch settings TRIG Trigger mode settings optional RS232...

Страница 7: ... color bar press to set the values in the anti color position Press EXIT key after finishing settings The meter will store the current settings automatically Stall 2 and 3 settings are the same with operation above 3 5 Nominal value settings Press SET key twice to enter second level menu Press and to move anti color bar and make NOMINAL anti color display press ENTER key then the first digit under...

Страница 8: ...n the anti color position ON means Alarm function on OFF means Alarm function off Press EXIT key after finishing settings The meter will store the current settings automatically Chapter 4 Basic features and specifications 4 1 Measuring parameters Inductance L Capacitance C Resistance R Quality factor Q dissipation factor D Impedance Z 4 2 Measuring frequency 2 2811D 100Hz 10KHz 2817B 50Hz 100KHz 2...

Страница 9: ...ers subscript s means equivalent series p means equivalent parallel Generally for low value impedance components high value capacitors and low value inductors we should use equivalent series circuit In contrast for high value impedance components low value capacitors and high value inductors we should use equivalent parallel circuit But Meanwhile we must choose the equivalent circuit according to ...

Страница 10: ... signal source resistances are selectable At the same measuring voltage choose different signal source resistance and we will get the different measuring current If the sample is sensitive to the measuring current that will cause different results It s convenient to compare with other manufacturers measuring results via these two signal source resistance About measuring level Exactly the measureme...

Страница 11: ...parallel 10Ω select series Between 10Ω and 10kΩ please select the suitable equivalent circuit according to component manufacturer s recommendation Selection of equivalent circuit for inductor Big inductance correspond to high impedance and parallel resistance affect more than series resistance So equivalent parallel is more suitable for the measurement In contrast small inductance correspond to lo...

Страница 12: ...r Accu racy 2817B 50 60 80 100 120 200 400 500 800 1k 2k 4k 5 k 8k 10k 20k 25k 40k 50k 100k L C R D Q 0 1 2811D JK2810 数字电桥 100Hz 120Hz 1kHz 10kHz L C R D Q 0 1 2816C 50 60 80 100 120 200 400 500 800 1k 2k 4k 5 k 8k 10k 20k 25k 40k 50k 100k 200k L C R D Q 0 1 4 12 Range Parameter Frequency Measuring range L 50Hz 800Hz 1uH 9999H 1kHz 0 1uH 999 9H 10kHz 200kHz 0 01uH 99 99H C 50Hz 800Hz 1pF 19999uF...

Страница 13: ... 5 0 2 0 1 0 01mH 1mH 1mH 10mH 0 1H 1H 10H 100H 1000H H 5 2 Accuracy for Quality Factor in the whole range 0 030 0 2 1 Q 5 3 Accuracy for Dissipation in the whole range 0 0030 0 5D 1 D Chapter 6 Maintenance and Notice 6 1 The meter should connect with earth reliably 6 2 If this meter displays the chaotic or disordered data users can recover it to factory ...

Страница 14: ... the magnetic core Its characteristics depend on the materials for magnetic core Air we can say it s the simplest material for magnetic core but because the inductance is proportional to magnetic permeability of magnetic core and magnetic permeability of air is very small considering the volume efficiency so air is not used to make inductors Usually people use magnetic materials like ferrite high ...

Страница 15: ...15 I L B H I L H Figure 7 1 Magnetization curve for inductance coil B H L LMAX I L Figure 7 2 Relation Curve for Magnetic Field Intensity and ...

Страница 16: ...t the samples be as far as possible from the metal 7 3 Accuracy about Q value Generally the meter uses V I voltage current method to test Q value so accuracy for Q value is not very high especially when testing high value for Q via calculation for instance Q X R 1 D if Q value is 100 and R value accounts for small percentage in the whole impedance then tiny change of R value will cause big change ...

Страница 17: ...voltage till get the required current Take the ammeter out Both HS and LD wires should be as short as possible Every testing leads especially HS and LD should use shielded wires Bold lead in the picture C1 L1 HD V1 V3 V2 V4 HS V5 V7 C2 Ex V6 V8 Lx LS V9 V10 C3 C4 LD V11 V12 Figure 7 4 Impose outside DC bias current circuit diagram DC power supply ...

Страница 18: ...18 Chapter 8 Packing List 1 Main unit x1 2 Measuring wire x1 3 Power cord x1 4 PDF Manual x1 Warranty two years for non human factor ...

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