Tonghui TH2618B Скачать руководство пользователя страница 35 | Manualshive

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Tonghui TH2618B Скачать руководство пользователя страница 35

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Chapter 3 Component measurement

This chapter provides description of instrument operation and lists some
measurement examples.

3.1

Unpacking and inspection

3.1.1 Notices

1. After unpacking, please verify with packing list.
2. Read Operation Manual in details before operating the instrument, especially

some notes and notices; or operate the instrument under instruction of
professional personnel.

3. Power

The instrument adopts the power supply of 220VAC±10%/50Hz±5%.
Before switching on the power supply, make sure that line voltage is correct.
Neutral, Line and Earth should be connected correctly as shown in Figure
3-1:

Earth

Neutral

Line

Figure 3-1 Power Supply Receptacle

For protection from electrical shock, the power cable ground must not be
defeated. The power plug must be plugged into an outlet that provides a
protective earth ground connection.

Then outlet can’t be shared with those devices consuming large power to
avoid interference or damage of the instrument.

4. The instrument should be operated under the environment conditions

specified in the manual. Always keep the instrument and the test terminals
away from electrical and magnetic field to avoid influence of the
measurement accuracy.

5. Allow the instrument to warm up a minimum of 10 minutes before starting

any of the performance tests.

6. Turn off the power supply and draw out the plug, when instrument is not in

use, or when covers need to be removed for troubleshooting.

3.1.2 Common component measurement

1. Switch on the power supply correctly. And the instrument’s default

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Содержание TH2618B

Страница 1: ...1 OPERATION MANUAL TH2810B LCR METER TH2618B CAPACITANCE METER TH2775B INDUCTANCE METER...

Страница 2: ...th 220V when making maintenance to avoid the hazard of electrical shock It is absolutely prohibited to perform normal measurement when the cover is removed except for maintenance and adjustment WARNIN...

Страница 3: ...2 9 Inputting data range 8 1 3 Operating environment 8 1 3 1 Temperature Humidity 8 1 3 2 Power 8 1 3 3 Warm up 8 1 3 4 Notice 9 1 4 Dimensions and weight 9 1 5 Function index 9 1 6 Panel 10 1 6 1 Re...

Страница 4: ...stance 32 2 3 7 Key lock 32 2 3 7 1 Entering key lock 32 2 3 7 2 Exiting key lock 32 2 3 7 3 Notices in the state of key lock 33 2 3 8 Safeguard 33 2 4 Parameter setup 33 Chapter 3 Component measureme...

Страница 5: ...nt can be connected with automatic meter through interfaces to realize automatic measurement 2 The instrument provides RS232C interface to effectively communicate with computer and make it possible to...

Страница 6: ...H 99999H C 0 01pF 99999 F R Z 0 0001 99999M D 0 0001 9 999 Q 0 0001 9999 9999 9999 1 2 4 Measurement accuracy C 0 1 1 Cx Cmax Cmin Cx 1 Dx 1 ks kv kf L 0 1 1 Lx Lmax Lmin Lx 1 1 Qx 1 ks kv kf Z 0 1 1...

Страница 7: ...hen f 100 Hz 120 Hz or 1 kHz kf 0 When f 10 kHz kf 0 5 1 2 5 Test signal frequency Test signal sine wave Four frequencies are available 100Hz 120 Hz 1 kHz 10 kHz Accuracy 0 02 1 2 6 Test signal level...

Страница 8: ...s Range mode Hold Display parameters C D RS232 interface only receiving allowed 1 2 9 Inputting data range Parameter Code Range L 0 0001 H 99999H C 0 0001pF 99999 F Nominal value R Z 0 0001 99999M Hig...

Страница 9: ...the instrument s reliability and safety 1 4 Dimensions and weight Dimensions around 350 W by 110 H by 340 D mm without packing Weight around 3 5 kg without packing 1 5 Function index No Name Function...

Страница 10: ...stance of signal source to select output resistance of signal source 30 or 100 2 3 6 on P2 19 14 Key lock to lock keys and keep operating state 2 3 7 on P2 19 15 Comparator and output interface HANDLE...

Страница 11: ...R Two display modes are available direct and percent deviation It can also display information when parameters are being set 2 Units of main parameters to indicate the units of main parameter in direc...

Страница 12: ...LCR meter TH2618B capacitance meter 8 Trade mark of Tonghui model TH2775B inductance meter 9 Keyboard All the function statees of the instrument can be selected and controlled through the 7 button key...

Страница 13: ...AY B H nF H pF RANGE HS HD LS LD CLEAR SHORT SPEED FREQ 10kHz 1kHz UNKNOWN Z Q 0 1V OPEN FAST SLOW HOLD AUTO LEVEL 0 3V 1V 100Hz 120Hz R Q L Q C D P1 P2 P3 NG F k M mH TH2810B TONGHUI ELECTRONICS LCR...

Страница 14: ...re 2 2 Status Indicator TH2810B has 7 keys and all of them have different functions in different conditions without direct definition Each menu will be discussed in this chapter The normal state is me...

Страница 15: ...ncy 10 kHz 1 kHz 120 Hz 100 Hz C Test signal level 1 0V 0 3V 0 1V D Display mode DIR Direct and Percent deviation in display A E Range mode HOLD AUTO F Measurement speed FAST SLOW G Clear CLEAr SHORT...

Страница 16: ...ault functions in measurement state are shown in Table 2 1 function parameter frequency level display range speed clear parameter C DNOTE 1kHz 1 0V direct auto slow open Table 2 1 The Default Function...

Страница 17: ...nductor s inductance value may differ widely depending on the current through the inductor due to the permeability of its core material Usually high test level is used for normal test of components su...

Страница 18: ...e leads to invalid display If nominal value is set to be 0 will become infinite which is beyond display range to make no display in Display A 2 2 5 Range mode 2 2 5 1 Range definition and its range TH...

Страница 19: ...l not spend any time selecting the range Perform the following steps to select the optimum range 1 Press or key to select the function of RANGE 2 Make sure that the range mode is in AUTO state 3 Conne...

Страница 20: ...orm open correction Then the function item automatically alters to PARAMETER to exit z SHORT correction 1 Press or key to select the function of CLEAR 2 Press or key to select SHORT parameters and CLE...

Страница 21: ...parallel connection PAr off only receiving OFF Serial interface 4 rSC 0n receiving sending ON P3 P3 Sorting mode 5 Sor P1 P1 30 30 Signal source resistance 6 rES 100 100 off unlocked OFF Key lock 7 Lo...

Страница 22: ...ed in different circuits differing in different components The following description gives some practical guide lines for selecting the equivalent circuits 1 Real world equivalent circuit can be selec...

Страница 23: ...D 1 2 FCpRp 1 Q Cs 1 D2 Cp Rs RpDP2P 1 D2 C D 2 FCsRs 1 Q Cp Cs 1 D2 Rp Rs 1 D2 D2 Table 2 4 Circuit Model Conversion 2 3 4 Serial interface The default setting is OFF which means that serial interfac...

Страница 24: ...232C interface is ASCII code The output information is listed in Table 2 5 TH2810B computer No Function Symbol Description 1 start character recognition no special meaning main parameter sub parameter...

Страница 25: ...st class PASS pass 2 P2 second class HI more than high limit 3 P3 third class LO less than low limit 4 D QNG HI 28 sorting output 0 1 2 3 4 5 5 D QNG LO 29 current range 0 1 2 3 4 5 five following ran...

Страница 26: ...B1 2 measurement frequency 1 kHz 7 B2 2 measurement frequency 120 Hz 8 B3 2 measurement frequency 100 Hz 9 C0 2 measurement level 1 V 10 C1 2 measurement frequency 0 3 V 11 C2 2 measurement frequency...

Страница 27: ...ically adjusted to N1 12 0002 7 characters after being received by the instrument and the last bit is unit code When resistance is measured the nominal value is 12 M That is N1 starts with number the...

Страница 28: ...d program Such as 0 can be recognized by its ASCII code 7B41307D Note 1 In TH2618B resistance R dissipation D Note 2 In TH2775B resistance R quality factor Q Note 3 Defined reference command of NX is...

Страница 29: ...29 2 3 5 1 Sorting procedure Figure 2 7 Sorting Procedure in P3 Mode Figure 2 8 Sorting Procedure in P1 Mode...

Страница 30: ...s that the instrument must be set to single mode refer to 2 3 2 Through this interface TH2810B can synchronously work with one component s auto measurement system An outer START signal is received thr...

Страница 31: ...unding terminal Figure 2 10 shows the timing diagram of the Handler interface A B and C are the three component measured Component A is sorted to Bin P1 B is sorted to P1 and C is sorted to P2 Figure...

Страница 32: ...ng the keys can be operated and initialization state is default To avoid operator s improper operation the instrument provides the function of key lock In this state all the keys are invalid except un...

Страница 33: ...is decimal and could be used to select the unit if unit indicator is flickering 3 Operate and to flickering digit and change the value through and keys 4 Press LIMIT to modify the next parameter or p...

Страница 34: ...34 6 Low limit of pin 2 P2 7 high limit of pin 3 P3 8 low limit of pin 3 decimal point all the numbers are input in the mode of P3 necessar y at 3 pin sorting Table 2 7 Limit parameters...

Страница 35: ...For protection from electrical shock the power cable ground must not be defeated The power plug must be plugged into an outlet that provides a protective earth ground connection Then outlet can t be s...

Страница 36: ...form an open correction without the shorting bar NOTE 3 9 Connect the component to the test terminals and the measurement values are displayed in Display A and B Note 1 When the DUT s Q or D is large...

Страница 37: ...rent LD low drive terminal of current HS high sense terminal of voltage LS low sense terminal of voltage Ground The ground shields are used reduce influence of stray capacitance and electromagnetic di...

Страница 38: ...nd inductance between the test terminals Therefore test fixture is recommended for high frequency measurement If the test cable must be used try you best not to move the cable during the corrections a...

Страница 39: ...Cable TH26005 TH26006 Axial Test Fixture TH26007 Core Test Fixture TH26008 SMD Test Fixture TH26009 SMD Kelvin Test Tweezers Check the contents when you received the instrument If the contents are in...

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