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Manual Documentation Number M3640D1598

7

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5104

 

 

5. HOW TO USE THE METER

This section describes your meter and how to use it. FOR EASE OF 
REFERENCE, EACH DESCRIPTION IS NUMBERED AND KEYED 
TO THE ILLUSTRATION INSIDE THE FRONT COVER. 

5-1. Pushbuttons 

Items 1-6 describe how to use the pushbuttons. These buttons are used (in 
conjunction with rotary switch) to select operating modes. When a button 
is pushed the beeper sounds. A summary of pushbutton operation is shown 
in Table 2. An annunciator is displayed to indicate that a mode or function 
has been selected. A quick way to reset all the pushbuttons to their default 
state is to turn the rotary switch to an adjacent function and then back to 
the function you are using. 

1. ON/OFF 

POWER ON/OFF 

Press the ON/OFF(RED) button to turn the meter on. Press again to turn 
the meter off. 

Automatic Power-off 

Automatic Power-off extends the life of the battery by turning the meter 
off if neither the rotary switch nor a pushbutton is operated for 10 minutes. 
However, during communication with a PC, Hi mode at capacitance, AC 
mV range and dB measurement, power will not be turned off 
automatically.  

 

 

2. FUNCTION 

Содержание M-3640D

Страница 1: ...Multimeter Model M 3640D Documentation Number M3640D1598 B B Electronics Mfg Co Inc 707 Dayton Road P O Box 1040 Ottawa IL 61350 PH 815 433 5100 FAX 815 433 5104 Internet http www bb elec com sales bb elec com support bb elec com B B Electronics May 1997 Not Recommended for New Installations Please contact Technical Support for more information ...

Страница 2: ...left corned of the screen and choose Settings I Control Panel I Add Remove Programs 3 Click the install button and follow the directions Using the Software To run the software after it has been installed click the start button in the lower left corner of the screen and choose Programs I Metex I Metex After starting the metex program click the setup button A dialog box appears that allows you to se...

Страница 3: ...the sample was taken XX is the meter function is the value read from the meter and YYYY is the units This file can be read by a program such as Microsoft Excel to analyze the data or print out a chart Telephone 815 433 5100 8 am 4 30 pm Central Standard Time Monday through Friday 24 hour FAX 815 433 5104 Intemet E Mail Sales orders bb elec com Technical Support support bb elec com World Wide Web S...

Страница 4: ...s 14 6 HOW TO MAKE MEASUREMENTS 17 6 1 Measuring DC AC Voltage 17 6 2 Measuring Current 18 6 3 Continuity Testing 19 6 4 Measuring Resistance 20 6 5 Checking Diode 21 6 6 Measuring Frequency 22 6 7 Measuring Capacitance 23 6 8 dB Measurement M 3640D 3660D only 23 6 9 Checking Transistors 24 6 10 Measuring Temperature M 3640D 3660D only 25 6 11 Logic Test 26 6 12 Using the Meter with a Computer 27 ...

Страница 5: ...es Multimeters have Dual Display and Communication function with computer by RS 232C as basic The meter is a handheld 1999 count instrument with True Rms dB range temperature measurement for some models M 3640D M 3660D and frequency measurement up to 20MHz M 3650D M 3660D Please read these operating instructions very carefully before commencing your measurement ...

Страница 6: ...f the measurement limitations and safety 20A The maximum current that you can measure at this terminal is 20 amps DC AC This terminal is fuse protected For your safety during continuous measurements keep the duty cycle within 30 seconds in use and more than 15 minutes in rest mA The maximum current that you can measure at this terminal is 200mA DC AC This terminal is fuse protected To avoid electr...

Страница 7: ...above 60V DC or 25V AC RMS Such voltage pose a shock hazard 2 3 5 The 20A range is protected by the fuse To avoid damage or injury use the meter only in circuits limits by fuse or circuit breaker to 20A or 4000VA Do not apply voltage to between 20A or mA and COM terminals This warning is to assure protection against injury and or damage to the meter and the user 2 3 6 Do not get the meter and test...

Страница 8: ...RIC SHOCK DISCONNECT BOTH LEADS FROM EQUIPMENT BEFORE YOU REMOVE OR INSTALL THE BATTERY Follow these steps to install the battery 1 Turn off the power and disconnect the two test probes 2 Remove the screw to open the battery compartment 3 Place the battery into the insulation capsule and snap it on the contacts WARNING DO NOT DISCARD THE PROVIDED BATTERY INSULATION CAPSULE IF YOU DO NOT USE THIS I...

Страница 9: ...age your meter and expose yourself to a serious shock hazard Use extreme care when you measure high voltages Never connect the probe you plug into the COM terminal to a source of voltage greater than 500 volts with respect to earth ground This creates a serious shock hazard 3 3 Using the Stand Use your meter s stand to prop up or hang the meter Propping Up the Meter If you prop your meter on a ben...

Страница 10: ...or normal operation 4 3 To select an additional operation press the appropriate push buttons above the rotary See Table 2 To operate the UP DOWN buttons press to address the stored reference value in the modes press to determine the polarity reference value in the and modes To operate the FUNCTION button press to select the function mode at your desire press again to scroll and press SET RESET but...

Страница 11: ...hbutton operation is shown in Table 2 An annunciator is displayed to indicate that a mode or function has been selected A quick way to reset all the pushbuttons to their default state is to turn the rotary switch to an adjacent function and then back to the function you are using 1 ON OFF POWER ON OFF Press the ON OFF RED button to turn the meter on Press again to turn the meter off Automatic Powe...

Страница 12: ... exit Then the will be displayed on the LCD In the function modes of and the RESET function does not work To exit from these modes you have to move the selector switch to an adjacent range or press the function key 4 DC AC Press DC AC button to toggle between DC and AC when the rotary switch is set to Voltage or Current 5 6 UP DOWN Press UP DOWN buttons to determine the polarity value of the refer...

Страница 13: ...arked Insert the optional K type thermocouples into the correct sockets as marked 9 FUNCTION SELECTOR ROTARY SWITCH Item 9 describes functions that are selected by setting the rotary switch mV Millivolts ac dc V Volts ac dc mA Milliampere ac dc A Amperes ac dc Continuity Ω Resistance Diode Test FREQ Frequency CAP Capacitance hFE Transistor TEMP Temperature HIGH HOW Logic Test dB Decibel ...

Страница 14: ...ll measurements 13 V Ω Ω Ω Ω Continuity Diode Ohms Volt Frequency dB Logic Test Terminal 5 4 Digital and Bar Graph Displays Items 14 16 17 describe the digital and bar graph displays 14 Digital Display Digital readings are displayed on a 1999 count display with automatic polarity indication and decimal point placement 15 Analog Bar Graph The bar graph consists of 23 segments that illuminate from l...

Страница 15: ...T button and the subsequent reading wilI be displayed on the main display 20 Minimum Lets you keep a minimum reading on the sub display while showing the present readings on the main display 21 Maximum Lets you keep a maximum reading on the sub display while showing the present readings on the main display 22 Relative Enables you to compare the reference value with a subsequent reading To set the ...

Страница 16: ...ple if the stored reference value is 100 0V and the present reading is 90 0V the sub display will indicate 10 0 V and the main display will indicate 90 0V If the new reading is the same as the reference value the display will be zero In this mode the total range of relative offset is 1999 counts 23 Memory Enable you to memorize the reference values up to 10 measurements in the meter To memorize th...

Страница 17: ...imary secondary readings on the LCD in the following ranges See Table 3 Table 3 Dual Display INPUT RANGE MAIN DISPLAY SUB DISPLAY AC VOLTAGE VOLTAGE FREQUENCY FREQUENCY FREQUENCY AC VOLTAGE TEMPERATURE C F LOGIC HI LO FREQUENCY dB dB AC VOLTAGE Notes Your meter will display Ripple Frequency at DC Voltage position In the ranges of DC AC A Resistance Diode and hFE the sub display might show the FREQ...

Страница 18: ...the steps of REL 2 3 To exit mode press the function key or turn the rotary switch to an adjacent range 28 Display for address number To operate this address number you can address the stored reference values up to 10 measurements in the and modes each time press UP DOWN buttons 5 5 Annunciators Items 29 32 describe annunciators that indicate the mode or state in which the meter is operating 29 Di...

Страница 19: ...LO nF 2 2O 200 to Hi uF 2 20 200 36 hFE Transistor hFE Except M 3610D Enables you to measure hFE value 37 LOG Logic Test Enables you to check logic levels without extra logic probes This function displays Hi Lo or to indicate logic high logic low or undetermined respectively 38 dB Decibels M 3640D 3660D only Enables to check the logarithmic ratio of input voltage to the standard stored value 39 Su...

Страница 20: ...displays AC Alternating current or voltage DC Direct current or voltage mV Millivolts 1x10 3 volts V Volts KHz Kilohertz 1x103 cycles Frequency MHz Megahertz 1x106 cycles Frequency C Centigrade Degree F Fahrenheit Degree uF Microfarads 10 6 Farads nF Nanofarads 10 9 Farads A Ampere Amps Current mA Milliampere 1x10 3 amps Current Ω Ohm KΩ Kiloohm 1x103 MΩ Megaohm 1x106 dB Decibels ...

Страница 21: ... YOURSELF TO A SEVERE SHOCK HAZARD Follow these steps to measure DC AC Voltage 1 Set the rotary switch to the desired voltage position with 5 steps 200mV 2 20 200V DC AC and 1 000V DC 750V AC 2 Press the DC AC button to toggle between alternating and direct voltage 3 Connect the meter in parallel with the load or circuit Notes Due to the sensitive nature of 200mV 2V AC ranges your meter displays a...

Страница 22: ...E HAZARD AND SHORT CIRCUIT DANGER EXISTS IF YOU APPLY A VOLTAGE WITH HIGH CURRENT CAPABILITY TO THIS TERMINAL THE METER CAN BE DESTROYED UNDER SUCH CONDITI ONS Follow these steps to measure Current 1 Set the rotary switch to the desired Ampere position with 5 steps of 200 µA 2 20 200mA 20A for M 3630D 3650D and with 4 steps of 200 µA 2 200mA 20A for M 3610D and with 3 steps of 2 200mA 20A for M 36...

Страница 23: ... a voltage across the meter s terminals called burden voltage This voltage drop is very low in your meter but it may affect precision circuits or measurements If you set the meter for DC current appears or disappears to indicate the polarity of the measured current 6 3 Continuity Testing Continuity testing verifies that circuit connections are intact To perform audible continuity tests set the rot...

Страница 24: ...0 to 20 Mohm with 6 steps for Model M 3640D 3650D 2 Connect the test Ieads to the device you want to measure Notes The resistance in the test leads can diminish accuracy on the lowest 200 ohm range The error is usually 1 to 0 2 ohms for a standard pair of test leads To determine the error short the test leads together and read the resistance of the leads When measuring resistance be sure that the ...

Страница 25: ...de 1 Rotate the rotary switch to position 2 Plug the test probes into the COM and V Ω terminals 3 Connect the test leads to the diode you want to check and note the meter reading Notes If the display indicates an overrange condition reverse the polarity of the connection If the display shows a value the device is good The displayed value is the components actual forward voltage up to 2 0 volts If ...

Страница 26: ...ps 2 20 200 KHz 2 20 MHz for M 3650D 3660D 2 Plug the test probes into the COM and V Q terminals 3 Connect the test leads to the frequency source Caution M3610D M3630D M3640D For measurement 200KHz above neither interface the meter with a P C nor select the function mode COM Doing so your meter will displays the ambiguous value Notes When the test probes are connected to an AC outlet do not turn t...

Страница 27: ...to either Lo or Hi of CAP range Lo nF 2 20 200 High µF 2 20 200 3 Insert the discharged capacitor into the CAP and clips connector Your meter displays the capacitance value Notes For polarized capacitors be sure to insert the negative lead in the minus clip In this mode s Hi the auto power off function does not work 6 8 dB Measurement M 3640D 3660D only WARNING DO NOT TRY TO MEASURE A VOLTAGE GREA...

Страница 28: ...thmic ratio INPUT VOLTAGE DB 0 075 mV 60 dB 109 mV 17 dB 1 94 V 8 dB 19 40 V 28 dB 6 9 Checking Transistors WARNING The transistor socket is not protected against overload You can damage the meter and void your warranty if you build and use external leads for the transistor socket Follow these steps to determine a transistor s base gain 1 Rotate the rotary switch to the hFE positon 2 Insert the tr...

Страница 29: ...he hFE You can t measure the hFE of a transistor that is connected in a circuit You cannot measure the hFE of a FET or other non bipolar transistor High voltage junctions in power transistors prevent correct readings Also the larger leads of the power transistor can damage the test socket Do not try to determine type pin out or hFE for power transistors with this meter hFE is affected by temperatu...

Страница 30: ...lack probe to the ground point GND of the test circuit and the red probe to the supplying voltage point V While keeping the test probes firmly connected to each point press SET RESET button 4 While keeping a connection between the black probe and the circuits GND point move the red probe to the other desired points The meter immediately displays one of the 3 modes as follows If value exceeds above...

Страница 31: ...nd is in the SCOPE directory on the supplied diskette Note You cannot log frequencies on the computer if the voltage exceeds 20V AC 6 12 3 Using the DOS Software Follow these steps to install and run the MS DOS software Note The following steps assume a basic knowledge of MS DOS commands and also assume you have a hard disk Refer to your computer s MS DOS User s Guide for information about MS DOS ...

Страница 32: ...information about using Windows This software requires Microsoft Window Version 3 1 and a VGA or EGA display 1 Start your computer and run Windows 2 Insert the supplied diskette in your computer s drive 3 From the Windows Program Manager pull down the FILE menu and select the RUN option 4 At the prompt type a scope setup ENTER If you placed the diskette in Drive A b scope setup ENTER If you placed...

Страница 33: ...4 bytes The frames are set as follows BYTE 1 2 3 4 5 6 7 8 9 A B C D E Example 1 D C 1 9 9 9 V CR Example 2 1 9 9 9 Mohm CR Connection of MT RS 232C cable to the meter The following program is an example of a BASIC program that gets a single reading from the meter 10 OPEN COM1 1200 N 7 2 RS CS DS CD AS 2 20 A D 30 PRINT 2 A 40 IN INPUT 14 2 50 PRINT IN 60 CLOSE 2 70 END ...

Страница 34: ...LY WITH THE SAME TYPE OF BATTERY OR FUSE DO NOT REMOVE THE TOP COVER SERVICE SHOULD BE PERFORMED ONLY BY QUALIFIED PERSONNEL CAUTION FOR CONTINUED PROTECTION AGAINST FIRE OR OTHER HAZARD REPLACE ONLY WITH FUSE OF THE SPECIFIED VOLTAGE AND CURRENT RATINGS Follow these steps to replace the fuse 1 Press ON OFF button to turn the meter off and disconnect the test probes 2 Remove the back cover by unsc...

Страница 35: ...rten the life of electronic devices damage battery and distort or melt plastic parts 3 Handle your meter gently and carefully Dropping it can damage circuit boards and cases and cause the meter to work improperly 4 Keep your meter away from dust and dirt which can cause premature wear of parts 5 Wipe your meter with a damp cloth occasionally to keep it looking new Do not use harsh chemicals cleani...

Страница 36: ...eading Time 1 2 reading per second Operating Temperature 0 C to 40 32 F to 104 F Storage Temperature 10 C to 50 C 14 F to 122 F Temperature for Guaranteed Accuracy 23 C 5 C Battery type NEDA 1604 9V or 6F22 9V Size H x W x L 84x187x34mm Net weight 305g 10g Including 9V Battery Supplied Accessories Operating Manual pair of Test Leads Spare Fuse 9V Battery Optional Accessories Carrying Case Interfac...

Страница 37: ...OLUTION 200 mV 2 V 20V 200V 0 3 of rdg 1 dgt 100 uV 1 mV 10 mV 100 mV DC VOLTAGE 1000 V 0 5 of rdg 1 dgt 1 V 200 mV 2 V 20 V 200 V 0 8 of rdg 3 dgts 100 uV 1 mV 10 mV 100 mV AC VOLTAGE 750 V 1 2 of rdg 3 dgts 1 V 200 Ω 2 KΩ 20 KΩ 200 KΩ 2 MΩ 0 5 of rdg 3 dgts 0 1 Ω 1 Ω 10 Ω 100 Ω 1 KΩ 20 MΩ 1 0 of rdg 2 dgts 10 KΩ M 3610D M 3630D M 3650D RESISTANCE 2000 MΩ 5 0 of rdg 5 dgts 1 MΩ ...

Страница 38: ...CURACY RESOLUTION 200 uA 2 mA 20 mA 0 5 of rdg 1 dgt 0 1 uA 1 uA 10 uA 200 mA 1 2 of rdg 1 dgt 100 uA DC CURRENT 20 A 2 0 of rdg 5 dgt 100 mA 200 uA 2 mA 20 mA 1 0 of rdg 3 dgts 0 1 uA 1 uA 10 uA 200 mA 1 8 of rdg 5 dgts 100 uA M 3610D M 3630D M 3650D AC CURRENT 20 A 3 0 of rdg 5 dgts 10 mA Notes 1 DC AC Current 20 mA Not available in M 3610D ...

Страница 39: ...Hz FREQUENCY 2 MHz 20 MHz 1 0 of rdg 1 dgt 1 KHz 10 KHz 2 nF 2 0 of rdg 10 dgts 1 pF LOW 20 nF 200 nF 2 0 of rdg 3 dgts 10 pF 100 pF 2 uF 3 0 of rdg 10 dgts 1 nF 20 uF 3 0 of rdg 5 dgts 10 nF CAPACITANCE HIGH 200 uF 4 0 of rdg 5 dgts 100 nF M 3610D M 3630D M 3650D DIODE Measures forward resistance of a semiconductor junction in KΩ a test current of 1 mA Notes 1 FREQUENCY Not available in M 3610D M...

Страница 40: ...of rdg 1 dgt 1 V 200 mV 0 8 of rdg 3 dgts 100 uV 2 V 20 V 200 V 2 5 of rdg 5 dgts 1 mV 10 mV 100 mV AC VOLTAGE True rms 750 V 1 5 of rdg 3 dgts 1 V 200 Ω 2 KΩ 20 KΩ 200 KΩ 2 MΩ 0 5 of rdg 3 dgts 0 1 Ω 1 Ω 10 Ω 100 Ω 1 KΩ M 3640D M 3660D RESISTANCE 20 MΩ 1 0 of rdg 2 dgts 10 KΩ Notes AC Voltage True rms 1 The nominated accuracy is guaranteed when the input value is full scale basis 2 Frequency for ...

Страница 41: ...of rdg 1 dgt 100 uA DC CURRENT 20 A 2 0 of rdg 5 dgts 100 mA 2 mA 1 0 of rdg 3 dgts 0 1 uA 1 uA 10 uA 200 mA 1 8 of rdg 5 dgts 100 uA AC CURRENT 20 A 3 0 of rdg 5 dgts 10 mA 40 C 200 C 3 0 of rdg 5 dgts TEMPERATURE 200 C 1200 C 3 0 of rdg 2 dgts 1 C M 3640D M 3660D dB 200 mV 20 V 3 0 of rdg 5 dgts 0 1 dB Notes AC Current Frequency for accuracy 40 Hz to 10 KHz for 2 mA 200 mA ranges 40 Hz to 1 KHz ...

Страница 42: ...z 1 MHz 1 0 of rdg 1 dgt 1 KHz FREQUENCY 2 MHz 20 MHz 1 0 of rdg 1 dgt 1 KHz 10 KHz 2 nF 2 0 of rdg 10 dgts 1 pF LOW 20 nF 200 nF 2 0 of rdg 3 dgts 10 pF 100 pF 2 uF 3 0 of rdg 10 dgts 1 nF 20 uF 3 0 of rdg 5 dgts 10 nF CAPACITANCE HIGH 200 uF 4 0 of rdg 5 dgts 100 nF M 3640D M 3660D DIODE Measures forward resistance of a semiconductor junction in KΩ a test current of 1 mA Note FREQUENCY Not avail...

Страница 43: ...d of one year Any instrument found defective within this period from the delivery date and returned to the factory with transportation charges prepaid will be repaired adjusted or replaced at no charge to the original purchaser This warranty does not cover expendable items such as batteries or fuses If the defect has been caused by misuse or abnormal operating conditions the repair will be billed ...

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