KEI 2010 Quick Reference 电路图.pdf

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1、Model 2010Multimeter Quick Reference Guide A G R E A T E RM E A S U R E O F C O N F I D E N C E RadioFans.CN 收音机爱 好者资料库 2010-903-01B Page 6 Tuesday, February 13, 2001 10:56 AM RadioFans.CN 收音机爱 好者资料库 Model 2010 Multimeter Quick Reference Guide 1996, Keithley Instruments, Inc. All rights reserved. Cl

2、eveland, Ohio, U.S.A. Second Printing, February 2001 Document Number: 2010-903-01 Rev. B RadioFans.CN 收音机爱 好者资料库 Manual Print History The print history shown below lists the printing dates of all Revisions and Addenda created for this manual. The Revision Level letter increases alphabetically as the

3、 manual undergoes subsequent updates. Addenda, which are released between Revisions, contain important change information that the user should incorporate immediately into the manual. Addenda are numbered sequentially. When a new Revision is created, all Addenda associated with the previous Revision

4、 of the manual are incorporated into the new Revision of the manual. Each new Revision includes a revised copy of this print history page. Revision A (Document No. 2010-903-01)October 1996 Revision B (Document No. 2010-903-01)February 2001 All Keithley product names are trademarks or registered trad

5、emarks of Keithley Instruments, Inc. Other brand names are trademarks or registered trademarks of their respective holders. Table of Contents Safety Precautions . 1 Introduction . 5 Front Panel Operation Summary . 7 Remote Operation Summary . 25 2010-903-01B Page 6 Tuesday, February 13, 2001 10:56 A

6、M 1 Safety Precautions The following safety precautions should be observed before using this product and any associated instrumenta- tion. Although some instruments and accessories would normally be used with non-hazardous voltages, there are situations where hazardous conditions may be present. Thi

7、s product is intended for use by qualifi ed personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury. Read the operating information carefully before using the product. The types of product users are: Responsible body is the individual or g

8、roup responsible for the use and maintenance of equipment, for ensuring that the equipment is operated within its specifi cations and operating limits, and for ensuring that operators are ade- quately trained. Operators use the product for its intended function. They must be trained in electrical sa

9、fety procedures and proper use of the instrument. They must be protected from electric shock and contact with hazardous live circuits. Maintenance personnel perform routine procedures on the product to keep it operating, for example, setting the line voltage or replacing consumable materials. Mainte

10、nance procedures are described in the manual. The procedures explicitly state if the operator may perform them. Other- wise, they should be performed only by service personnel. Service personnel are trained to work on live circuits, and perform safe installations and repairs of products. Only proper

11、ly trained service personnel may perform installation and service procedures. Exercise extreme caution when a shock hazard is present. Lethal voltage may be present on cable connector jacks or test fi xtures. The American National Standards Institute (ANSI) states that a shock hazard exists when vol

12、tage levels 2 greater than 30V RMS, 42.4V peak, or 60VDC are present. A good safety practice is to expect that hazardous voltage is present in any unknown circuit before measuring. Users of this product must be protected from electric shock at all times. The responsible body must ensure that users a

13、re prevented access and/or insulated from every connec- tion point. In some cases, connections must be exposed to potential human contact. Product users in these circum- stances must be trained to protect themselves from the risk of electric shock. If the circuit is capable of operating at or above

14、1000 volts, no conductive part of the circuit may be exposed. As described in the International Electrotechnical Commis- sion (IEC) Standard IEC 664, digital multimeter measuring circuits (e.g., Keithley Models 175A, 199, 2000, 2001, 2002, and 2010) are Installation Category II. All other instrument

15、s signal terminals are Installation Category I and must not be connected to mains. Do not connect switching cards directly to unlimited power circuits. They are intended to be used with imped- ance limited sources. NEVER connect switching cards directly to AC mains. When connecting sources to switch

16、- ing cards, install protective devices to limit fault current and voltage to the card. Before operating an instrument, make sure the line cord is connected to a properly grounded power receptacle. Inspect the connecting cables, test leads, and jumpers for possible wear, cracks, or breaks before eac

17、h use. For maximum safety, do not touch the product, test cables, or any other instruments while power is applied to the cir- cuit under test. ALWAYS remove power from the entire test system and discharge any capacitors before: connecting or disconnecting cables or jumpers, installing or removing sw

18、itching cards, or making internal changes, such as installing or removing jumpers. 3 Do not touch any object that could provide a current path to the common side of the circuit under test or power line (earth) ground. Always make measurements with dry hands while standing on a dry, insulated surface

19、 capable of with- standing the voltage being measured. The instrument and accessories must be used in accor- dance with its specifi cations and operating instructions or the safety of the equipment may be impaired. Do not exceed the maximum signal levels of the instru- ments and accessories, as defi

20、 ned in the specifi cations and operating information, and as shown on the instrument or test fi xture panels, or switching card. When fuses are used in a product, replace with same type and rating for continued protection against fi re hazard. Chassis connections must only be used as shield connec-

21、 tions for measuring circuits, NOT as safety earth ground connections. If you are using a test fi xture, keep the lid closed while power is applied to the device under test. Safe operation requires the use of a lid interlock. If a screw is present, connect it to safety earth ground using the wire re

22、commended in the user documentation. The symbol on an instrument indicates that the user should refer to the operating instructions located in the manual. The symbol on an instrument shows that it can source or measure 1000 volts or more, including the combined effect of normal and common mode volta

23、ges. Use standard safety precautions to avoid personal contact with these voltages. The WARNING heading in a manual explains dangers that might result in personal injury or death. Always read the associated information very carefully before performing the indicated procedure. ! 4 The CAUTION heading

24、 in a manual explains hazards that could damage the instrument. Such damage may invalidate the warranty. Instrumentation and accessories shall not be connected to humans. Before performing any maintenance, disconnect the line cord and all test cables. To maintain protection from electric shock and f

25、i re, replacement components in mains circuits, including the power transformer, test leads, and input jacks, must be pur- chased from Keithley Instruments. Standard fuses, with applicable national safety approvals, may be used if the rat- ing and type are the same. Other components that are not saf

26、ety related may be purchased from other suppliers as long as they are equivalent to the original component. (Note that selected parts should be purchased only through Keithley Instruments to maintain accuracy and functional- ity of the product.) If you are unsure about the applicability of a replace

27、ment component, call a Keithley Instruments offi ce for information. To clean an instrument, use a damp cloth or mild, water based cleaner. Clean the exterior of the instrument only. Do not apply cleaner directly to the instrument or allow liquids to enter or spill on the instrument. Products that c

28、onsist of a circuit board with no case or chassis (e.g., data acquisition board for installation into a computer) should never require cleaning if handled according to instructions. If the board becomes contaminated and operation is affected, the board should be returned to the factory for proper cl

29、eaning/servicing. 10/99 5 Introduction This quick reference guide includes summary informa- tion on front panel and remote operation for the Model 2010 Multimeter. For detailed operating information, consult the Model 2010 Users Manual. 6 7 Front Panel Operation Summary Power-on defaults Power-on de

30、faults are those settings the instrument assumes when it is turned on. The Model 2010 offers two choices for the settings: user or factory. With user, the instrument will power-on to the settings stored in memory by the operator. With factory, the instrument will power on to the factory default sett

31、ings. To save present confi guration as user settings: 1. Confi gure the instrument as desired for USER default. 2. Press SHIFT and then SAVE. 3. Use the L and M keys to select YES. Select NO if you do not wish to change the user setup that is stored in memory. 4. Press ENTER. To restore factory or

32、user settings: 1. Press SHIFT and then SETUP. 2. Use the L and M keys to select FACTory or USER. 3. Press ENTER. NOTE: Factory default settings are listed in Table 2. Instrument connections Basic connections for Model 2010 measurements are shown in Figure 1. These drawings show connections to the fr

33、ont panel terminals (INPUTS switch in the FRONT position). If using the rear panel terminals, place the INPUTS switch in the REAR position. Note that current (DCI and ACI) measurements cannot be made from the rear panel terminals. 8 For resistance measurements ( 2 and 4) greater than 100k , more sta

34、ble readings can be achieved by using shielding. Place the resistance in a shielded enclosure and connect the shield to INPUT LO. Shielded cable should be used so the shield (INPUT LO) encircles the other cable conductor(s). Figure 1. Basic measurement connections 2000 MULTIMETER RANGE ! F 500V PEAK

35、 FRONT/REAR 2A 250V AMPS HI INPUT LO SENSE 4 WIRE INPUTS 350V PEAK 1100V PEAK AUTO RANGE R Model 2010 Measure DCV, ACV, 2, FREQ (PERIOD) or TC TEMP * * Thermocouple (TC) Temperature measurements are typically performed through a thermocouple scanner card, such as the Model 2001- TCSCAN. See the User

36、s Manual for details. 2000 MULTIMETER RANGE ! F 500V PEAK FRONT/REAR 2A 250V AMPS HI INPUT LO SENSE 4 WIRE INPUTS 350V PEAK 1100V PEAK AUTO RANGE R Model 2010 Measure DCI or ACI 2000 MULTIMETER RANGE ! F 500V PEAK FRONT/REAR 2A 250V AMPS HI INPUT LO SENSE 4 WIRE INPUTS 350V PEAK 1100V PEAK AUTO RANG

37、E R Model 2010 Measure 4 or RTD TEMP R 9 Maximum inputs for the Model 2010 are summarized in Table 1. Basic measurement procedure 1. Connect the instrument as explained in “Instrument connections”. 2. From the function keys, select the desired measure- ment function. 3. Use the RANGE keys to select

38、autoranging or a manual range. Pressing the AUTO range key tog- gles autoranging. You can select a different range with the L and M RANGE keys. 4. Take a reading from the display. Table 1. Maximum inputs FunctionMaximum input DCV1000V peak ACV750V rms, 1000V peak, 8 10 7 VHz DCI3A, 250V dc ACI3A 250

39、V rms FREQ (PERIOD)1000V peak, 8 10 7 VHz 10 Storing readings (2 to 1024) 1. Set up the instrument for the desired confi guration. 2. Press the STORE key. 3. Use the , , L , and M keys to select the number of readings to store in the buffer. 4. Press ENTER to start the storage process. The aster- is

40、k (*) annunciator will turn off when the storage is fi nished. Recalling readings 1. Press the RECALL key. The BUFFER annunciator indicates stored readings are being displayed. The arrow annunciator indicates there is more data in the buffer. 2. Use the , , L , and M keys to view the buffer. Note th

41、at in addition to the readings, statistical data is available including standard deviation, average, minimum, and maximum. 3. Use the EXIT key to return to the normal display. Changing speed, resolution, and fi lter RATE Measurement speed (reading RATE) can be changed for any measurement function ex

42、cept fre- quency, period, continuity, and diode test. Use the RATE key to select FAST, MEDium, or SLOW. Use FAST (0.1 PLC) if speed is of primary importance (at the expense of increased noise and fewer usable digits of resolution). SLOW (5 PLC) provides better noise performance at the expense of spe

43、ed. MEDium (1 PLC) provides a compro- mise between noise and speed. The RATE setting also sets bandwidth for ACU and ACI measurements. See the 2010 Users Manual for details. DIGITS Display resolution can be changed for any measurement function. Use the DIGITS key to select the desired number of digi

44、ts. 11 FILTER Filter state (on/off) and confi guration can be changed for any measurement function, except fre- quency, period, continuity, and diode test. The FILTER key toggles between fi lter on (FILT annunciator on) and fi lter off. After pressing FILTER to enable the fi lter, you can then enter

45、 the fi lter count (1 to 100), and select the fi lter type (moving or repeating). The moving fi lter uses a fi rst-in, fi rst-out (FIFO) stack. After each new conversion is placed in the stack, the contents of the stack are averaged to yield a fi ltered reading. The repeating fi lter fi lls the stac

46、k, calculates the fi ltered reading, and then clears the stack for the next group of conversions. Changing temperature measurement confi guration Press SHIFT and then SENSOR. Three choices are avail- able using the , , L , and M keys: UNITS C, K, F. Specify units. SENSOR TCOUPLE or 4W-RTD. Specify s

47、ensor type. TYPE J, K, N, T (thermocouple type) or PT100, USER, PT3916, PT385, F100, D100 (4W-RTD type). JUNC SIM or CH1. Simulate a reference junction temperature (for direct thermocouple connection to the input), or use reference junction (channel 1) on the switching card. Relative (rel) Rel can b

48、e used to null offsets or subtract a baseline reading from present and future readings. When rel is enabled by pressing REL (REL annunciator on), the instrument uses the present readings as the relative value. Subsequent readings will be the difference between the actual input value and the rel value. You can defi ne a rel value for each function. Pressing REL a second time disables rel. 12 Math To enable and confi gure a math operation, press SHIFT and then the