Biddle LCR131_UG-MC 电路图.pdf

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1、M LCR131 Component tester User Manual MeterCenter (800) 230-6008 RadioFans.CN 收音机爱 好者资料库 LCR131 Parameters Measured L/C/R/D/Q Measuring Circuit Mode Inductance (L) Defaults to series mode Capacitance/ Resistance (C/R) -Defaults to parallel mode Displays L/C/R: Maximum display 19999 D/Q: Maximum disp

2、lay 999 (Auto Range). Ranging Mode Auto 0-70% R.H. Storage Temperature -20 to +50; 0-80% R.H. Low Battery Indication Approx. 6.8V Protective Fuse 0.1A/250V Fuse (input protective) Standard Accessories Test alligator clips (pair) DC 9V Battery. User manual Optional Accessories Carrying case RS232 pac

3、kage SMD Tweezers DC Adaptor (EA112: AC120V) / (EA55: AC220V). Dimensions (L/W/H) 184/ 87/ 41 mm Weight 330 grams RadioFans.CN 收音机爱 好者资料库 LCR131 COMPONENT TESTER USER MANUAL i RadioFans.CN 收音机爱 好者资料库 Table of Contents PAGE Safety 1 Introduction 3 Front Panel Illustration 4 LCD Display Illustration 5

4、 How to Operate 7 Operating Instructions 11 ? Data Hold 11 ? Static Recording 11 ? Dissipation Factor / Quality Factor 11 ? Test Frequency 12 ? L/C/R function selector 12 ? Relative 12 ? Tolerance 12 ? Auto/manual ranging 13 ? Automatic Fuse Detection 13 ? Parallel / Series Mode 13 ? Calibration 14

5、? Auto Power Off/ Disable Auto Power Off 15 ? Low Battery Indication 15 ? Communication 15 General Specification 17 Electrical Specification 18 Maintenance 21 ii Safety Read SAFETY INFORMATION before using this meter. ? NOTE This meter is a hand-held, battery-operated instrument for testing inductan

6、ce, capacitance and resistance. If this device is damaged or has any parts missing, contact the retailer immediately. This manual contains information and warnings which must be followed to ensure safe operation as well as to ensure the meter remains in a safe condition. Some common international el

7、ectrical symbols used in this manual are shown in the table below: DC - Direct Current See Explanation In The Manual Table 1-1. International Electrical Symbols Before using the meter, read the following safety information carefully. In this manual, WARNING, is reserved for conditions and actions th

8、at pose hazard(s) to the user; CAUTION, is reserved for conditions and actions that may damage your meter. 1 ? SAFETY INFORMATION To ensure that you use this device safely, follow the safety guidelines listed below: ? This meter is for indoor use, altitude up to 2,000 m. ? The warnings and precautio

9、ns should be read and well understood before the instrument is used. ? Use this device only as specified in this manual; otherwise, the protection provided by the meter may be impaired. ? When measuring in-circuit components, first de-energize the circuits before connecting to the test leads. ? Disc

10、harge capacitors before testing. ? The power for the meter is supplied with a single standard 9V battery. It is also possible to use external power using a 12V DC adaptor conforming to IEC 60950. 2 Introduction This 19,999-count L/C/R hand-held meter is a special microprocessor-controlled meter for

11、measuring functions of inductance, capacitance and resistance. Extremely simple to operate, the instrument not only takes absolute parallel mode measurements, but is also capable of series mode measurement. The meter provides direct and accurate measurements of inductors, capacitors and resistors wi

12、th different testing frequencies. It is possible to select between auto and manual ranging. Front panel pushbuttons maximize the convenience of function and feature selection such as data hold; maximum, minimum and average record mode; relative mode; tolerance sorting mode; frequency and L/C/R selec

13、tion. The test data can be transferred to PC through an optional full isolated optical RS232C interface and CP-09 software. A tilt stand provides position flexibility for viewing and operating the meter. The rubber over-molded case both protects the meter in harsh environments, and improves grip in

14、the hand. While single 9V battery operation is standard for the meter, a standard DC 12V power adaptor can also be used as an optional power input. 3 Front Panel Illustration 1. LCD display 2. Power ON/OFF button 3. RS232 selector 4. Dissipation factor and Quality factor selection button 5. Test fre

15、quency selection button 6. Inductance, Capacitance and Resistance function selection button. Parallel and series mode selection button 7. Tolerance mode selection button 8. Data hold, Maximum, Minimum and Average reading selection button 9. Range selection button 10. Relative mode and Calibration se

16、lection button 11. DC 12V adaptor input 12. Input sockets and Terminals Figure-1. Front panel for LCR131. 4 LCD Display Illustration Figure 2. LCD Display. 1. AUTO: Auto-ranging indicator 2. LCR: L, C or R function indicator 3. MAX: Maximum reading indicator 4. AVG: Average reading indicator 5. REL:

17、 Relative mode indicator 6. MIN: Minimum reading indicator 7. DH: Data hold indicator 9. Q: Quality factor indicator 10. D: Dissipation factor indicator 11. : Secondary display 12. : Beeper tone indicator for tolerance mode 13. %: Tolerance (percentage) indicator 14. deg: Phase Angle degree indicato

18、r (Model-A only ) 15. kHz: Frequency indicator 16. MAX AVG MIN: Recording mode indicators 17. TOL: Tolerance mode indicator 18. 1%5%10%: Tolerance sorting (percent) indicator 19. : Auto power- off indicator 5 20. : Low battery indicator 21. PAL: Parallel mode indicator 22. SER: Series mode indicator

19、 23. Mk: Resistance (Ohm) indicator 24. : Inductance (Henry) indicator 25. : Capacitance (Farad) indicator 26. : RS232 indicator Special Indication Characters : Indicates short connectors : Indicates open connectors : Indicates calibration mode : Indicates damaged or open fuse 6 How To Operate Cauti

20、on When measuring within a circuit, the circuit must be de-energized before connecting the test leads. Instruments used in dusty or dirty environment should be wiped and cleaned regularly. Do not expose instrument to direct sunlight or other heat sources for long periods. Ensure the instrument is di

21、sconnected from any circuit and powered OFF before removing battery cover. Note: For achieving optimum precision for all L, C and R measurements throughout all ranges, the instrument should be internally calibrated before each use. 7 ? Inductance Measurement 1. Press the POWER button to turn on the

22、meter. 2. Press “L/C/R” button to select inductance measurement. 3. Insert an inductor into component receptacle socket or connect the test clip to the component leads as required. 4. Press “FREQ” button to select testing frequency. 5. Press “D/Q” button to select Q factor for secondary display. 6.

23、Read the display readings for inductance value and quality factor. Figure-3. Inductance Measurement. 8 ? Capacitance Measurement 1. Press POWER button to turn on the meter. 2. Press “L/C/R” button to select capacitance measurement. 3. Insert a capacitor into the component receptacle socket or connec

24、t the test clip to the component leads as required. 4. Press “FREQ” button to select testing frequency. 5. Press “D/Q” button to select D factor for secondary display. 6. Read the display readings for capacitance value and dissipation factor. Warning To avoid electrical hazards, discharge all capaci

25、tors before measuring. Figure-4. Capacita ce Measurement. n 9 ? Resistance Measurement 1. Press POWER button to turn on the meter. 2. Press “L/C/R” button to select Resistance measurement. 3. Insert a resistor into the component receptacle socket or connect the test clip to the component leads as re

26、quired. 4. Press “FREQ” button to select testing frequency. 5. Read the display readings for resistance value. Figure-5. Resistance Measurement. 10 Operating Instructions ? Data Hold This data hold function allows the operator to freeze the display. To enter this mode, press the HOLD pushbutton; pre

27、ss again to release. ? Static Recording Press the REC pushbutton for more than one second to enter the static recording mode. The maximum and minimum readings are then stored in memory, while a beeping tone is produced when a new tested value has been recorded. Push the same button to cycle through

28、the current maximum, minimum and average readings. The MAX, MIN or AVG indicators on LCD will turn on to indicate which value is shown. To exit this mode, press and hold the pushbutton for more than one second. Notes: 1. Static recording captures only stable values and updates the memory; it will no

29、t record any OL (overload) value for any of the L/C/R functions. In addition, the meter will not record values below 50 counts in Capacitance measurement. 2. Static recording is only available in manual ranging; however, activation while in auto-ranging will automatically set meter to manual ranging

30、 and cause calibration prompts to be displayed in the relevant ranges. ? Dissipation Factor / Quality Factor The D/Q value can be displayed alternately by pressing the D/Q button when the meter is set to Inductance or Capacitance mode. It does not apply to resistance measurement. 11 ? Test Frequency

31、 Default testing frequency is 1KHz. Push FREQ key to select the desired test frequency. ? L/C/R Function Selector Press L/C/R pushbutton to select the desired L, C or R function. ? Relative Press the REL key to enter the relative mode and store the display reading as a reference value. It will then

32、display all subsequent readings relative to the reference value. Press REL button again to exit the relative mode. Notes: 1. The relative mode can not be activated if the display value is either OL or 0000. 2. Relative mode is only available in manual ranging; however, activation while in auto-rangi

33、ng will automatically set the meter to manual ranging and cause calibration prompts to be displayed in the relevant ranges. 3. The relative mode cannot be activated if the meter is set at auto-ranging with data hold activated. ? Tolerance There are 1%, 5% and 10% tolerance range. To enter this toler

34、ance mode, insert the appropriate component as a standard value into the socket or connect the component to the test probes, then press the TOL pushbutton to set this value, as the standard reference tolerance. Similarly, any value which appears on the LCD display, such as DH or MAX/MIN/AVG, can be

35、used as a standard value to sort components. Press this button again to cycle through 1%, 5% and 10% tolerance as required. This function is designed for convenient component sorting. An audible tone of “Be-Be-Be” will sound whenever the component under test exceeds the setting tolerance. Conversely

36、, a single tone of “Be” indicates the component is within the setting tolerance. 12 Notes: 1. The tolerance mode can not be activated if the display is either OL or 0000; nor can it be activated where capacitance value is below 10 counts. 2. Tolerance mode is only available in manual ranging; howeve

37、r, activation while in auto-ranging will automatically set the meter to manual ranging and cause calibration prompts to be displayed in the relevant ranges. 3. The tolerance mode cant be activated if the meter is set at auto-ranging with data hold mode activated. ? Auto / Manual Range The auto-rangi

38、ng mode is default status when the meter is powered on. For specific measurement applications, press AUTO button to set manual ranging. To return to the auto-ranging mode, press and hold the AUTO button for more than one second. ? Automatic Fuse Detection When the meter detects that the protective f

39、use has ruptured, the FUSE character will appear and an internal beep will sound continuously. In this situation, none of the function keys can be operated and all other meter functions will be inhibited. Fuse replacement is required. Figure-6. Fuse Detection ? Parallel / Series Mode The meter is ca

40、pable of displaying Parallel and Series mode data for all ranges. The parallel mode is default for Capacitance and Resistance measurements, and the series mode is default for Inductance measurement. Press L/C/R button for more than 1 second to toggle SER and PAL mode. 13 ? Calibration Calibration is

41、 available to all ranges. Simply press and hold CAL button for more than one second to enter the calibration mode and calibration prompts will be displayed. Follow the prompts for open connector () or short connector () connection and press the CAL button. After calibration is completed, the meter w

42、ill be restored to normal display and ready for normal usage. Figure-7. Open/ Short Calibration The function calibrates the meters internal parameters as well as external connector influences for greater accuracy. It is highly recommended to calibrate extremely high or low ranges for L, C and R befo

43、re making precision measurements. Calibration prompts will be displayed automatically every time those ranges are selected manually or by function (e.g. REL, TOL, REC etc.), and calibration is recommended. Simply follow the open connector () or short connector () instruction and then press the CAL b

44、utton. You may skip the calibration by pressing the D/Q button. Notes: 1. Changing measurement frequencies is handled in the same way as selecting a different hardware range, and so automatic calibration prompts will be displayed in the recommended ranges. 2. Be sure to use the same testing position

45、 after short calibration. 14 ? Auto Power Off/ Disable Auto Power Off When the meter has not been used for five minutes after the last operation, a long beep tone will sound. The meter will then automatically enter a sleep mode and there will be no display on the LCD. To reactivate the meter, simply

46、 press any pushbutton. When the meter is to be used for long period, the auto power-off can be disabled by pressing and holding L/C/R button while turning meter ON. Release the button, then press any button. The symbol will disappear to confirm that the auto power off has been disabled. When using a

47、 12V DC alternate power source, auto power off is disabled automatically. Note: It is recommended that the meter should always be switched off when not in use. ? Low Battery Indication When the symbol flashes on the display, the battery voltage is below normal working voltage and is weakening. Repla

48、ce battery with a new one to maintain accuracy of the meter. ? Communication The meter is provided with communication capability by using the optional CP-09 RS232 package, with full optical isolated cable and software. Refer to the following procedures to set up communication between your meter and personal computer. 1. Fix one side of cable to the meter, with the text-side facing up. Connect the 9-pin terminal of cable to RS232 communication port 1 or 2 of personal computer. See the Figure-8. 2. Press RS232 button to enable interface. Symbol “” is enabled