Aktakom ABM-4083 User Manual Download

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ABM-4083

Digital Multimeter

USER`S MANUAL

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Summary of Contents for ABM-4083

Page 1: ...ABM 4083 61 2 Digital Multimeter USER S MANUAL www tmatlantic com...

Page 2: ...ected to mains This equipment is POLLUTION DEGREE 2 INDOOR USE product Safety Precautions Users of this product must be protected from electric shock at all times The responsible body must ensure that...

Page 3: ...est or power line earth ground Always make measurements with dry hands while standing on a dry insulated surface capable of withstanding the voltage being measured The instrument and accessories must...

Page 4: ...e 16 2 6 3 High Energy Circuit Safety Precautions 16 2 6 4 Power on Defaults 17 2 6 5 Warm up time 19 2 7 Display 19 Chapter 3 Basic Measurements 20 3 1 Preparation 20 3 2 Measuring Voltage 20 3 2 1 C...

Page 5: ...4 4 2 Setting Limit Values 42 4 5 System Operations 43 4 5 1 Beeper Control 43 4 5 2 Save Settings 43 4 5 3 Restore Settings 44 4 5 4 Display Control 44 4 5 5 Key Sound 45 4 5 6 Self test 45 4 5 7 Cal...

Page 6: ...Command Structure 58 6 2 4 Multiple Command Rules 59 6 2 5 Command Path Rules 59 6 3 Command Reference 59 6 3 1 SCPI Signal Oriented Measurement Commands 59 6 3 2 DISPlay subsystem 62 6 3 3 CALCulate...

Page 7: ...wo and four wire resistance from 0 1m to 120M Frequency from 5Hz to 1MHz Some additional capabilities of Model DMM Full range of functions In addition to those listed above The DMM functions include p...

Page 8: ...instructions Such damage may invalidate the warranty 1 5 Incoming Inspection The DMM was carefully inspected mechanically and electrically before shipment After unpacking all items from the shipping c...

Page 9: ...we will at our option either repair or replace any product that proves to be defective 1 7 Limitation of Warranty This warranty does not apply to defects resulting from product modification without o...

Page 10: ...d be reviewed before operating the instrument Figure 2 1 DMM Front Panel 1 Measurement function keys shifted and unshifted Select measurement function DC voltage and current AC voltage and current 2 w...

Page 11: ...surement speed to Slow 5 Trig Hold Key Trig Trigger a measurement from the front panel Shift Trig Hold a stable reading on the display when selected numbers of samples are within the selected toleranc...

Page 12: ...MX B function 3 PERCENT Set the reference value for PERCENT function 4 dB REF Set the dB reference voltage value 5 dBm REF Set the dBm reference impedance value 6 LIMIT TEST Enable or disable the limi...

Page 13: ...or RS 232C USB operation 4 PARITY Select the parity mode for RS 232C USB 5 TX TERM Select the terminal character for RS 232C USB communication 6 RETURN Enable or disable the command characters RETURN...

Page 14: ...Messages Displayed During Menu Operation MESSAGES DESCRIPTION CHANGE SAVED The change made on the parameter level is saved This message will be displayed after you press Auto ENTER to execute the comm...

Page 15: ...Chassis Grounding terminal 2 Power Line Fuse Holder Assembly DMM can be configured for line voltage of 110 220V 10 AC at line frequency of 50 60Hz 5 Power line fuse is used for instrument protection...

Page 16: ...er up Sequence On power up Model DMM performs self tests on its EPROM and RAM and lights all segments and annun ciators for about 1 second If a failure is detected the instrument momentarily displays...

Page 17: ...e and make measurements without disconnecting the digital multimeter 5 De energize the circuit using the installed connect disconnect device 6 Disconnect the test leads from the circuit under test WAR...

Page 18: ...e DC Diode test Digits Range Rate Frequency and Period Digits Range Relative Value Rate Function GPIB Address Language Limits Beeper High limit Low limit mX b Scale factor Offset Percent Reference On...

Page 19: ...rage Auto Off 0 0 Medium 10 PLC Medium 1 PLC 2 6 5 Warm up time Model DMM is ready for use as soon as the power up sequence has completed However to achieve rated accuracy and stability allow the inst...

Page 20: ...oltage Voltage ranges 100 mV 1 V 10 V 100 V 1000 V 750 VAC Maximum resolution 0 1 V on 100mV range AC technique true RMS ac coupled 3 2 1 Connections Assuming Model DMM is under factory default condit...

Page 21: ...voltage and current accuracies are affected by the crest factor of the waveform the ratio of the peak value to the RMS value Table 3 1 lists the fundamental frequencies at which the corresponding cre...

Page 22: ...nt manual ranging use the RANGE and keys to select a measurement range consistent with expected current 4 Connect test leads to the source as shown in Figure 3 2 CAUTION Do not apply more than 2A betw...

Page 23: ...0 range 3 4 1 Connections Assuming Model DMM is under factory default conditions the basic procedure is as follows 1 Connect test leads to the Model DMM as follows A For 2 wire connect the test leads...

Page 24: ...e instrument electrically 3 5 Measuring Frequency and Period Model DMM frequency measurement range 5 Hz to more than 1MHz Model DMM period measurement range 0 2s to less than 1 s Input signal range 10...

Page 25: ...le frequency or period readings When the Fast function is chosen Model DMM yield a gate time of ten millisecond the Med function yield a gate time of one hundred millisecond thus the settings of the S...

Page 26: ...in Figure 3 5 4 Take a reading from the display Note Source current flows from the INPUT HI to INPUT LO terminals Figure 3 5 Continuity Measurement 3 6 2 Threshold resistance level You can define a th...

Page 27: ...3 Connect test leads to the diode under test as shown in Figure 3 6 4 Take a reading from the display Note Source current flows from the INPUT HI to INPUT LO terminals Figure 3 6 Diode Measurement 3...

Page 28: ...ll be displayed M 1 000000 2 Use the and keys to choose a numerical place and use and keys to in crement or decrement the digits Enter a value and units prefix 3 Press Auto ENTER to confirm the M valu...

Page 29: ...user entered constant Percent is the displayed result To configure the percent calculation perform the following steps 1 Press Shift Rel for percent math operation and the present reference value disp...

Page 30: ...uto ENTER to confirm the reference voltage the message CHANGE SAVED will be dis played for a moment DMM returns back to the measurement status 4 DMM will display the result of the dB calculation If yo...

Page 31: ...sult of the dBm calculation If you want to change the impedance reference value after the dBm function is enabled you can take ac tions as below 1 Press Shift to enter the command level 5 dBm REF will...

Page 32: ...ppropriate range for each measurement However you can use manual ranging for faster measurements since the digital multimeter doesn t have to determine which range to use for each meas urement The dig...

Page 33: ...ves up a level to the command level 7 Use to move across to the filter type command on the command level 3 FILT TYPE will be displayed 8 Press to move down a level to the filter type parameter choice...

Page 34: ...filter parameters have speed and accuracy tradeoffs for the time needed to display store or output a filtered reading These affect the number of reading conversions for speed versus accuracy and respo...

Page 35: ...sured The integration time affects the usable digits the amount of reading noise as well as the ulti mate reading rate of the instrument The integration time is specified in parameters based on a numb...

Page 36: ...gger model because it is modeled after the SCPI commands used to control triggering count 1 Tri gger 1 count sam pl e M AN BUS I M M edi ate Tri gger source I ni ti ate Tri ggeri ng I N I Ti ate READ...

Page 37: ...4W 100 3ms 1k 3ms 10k 13ms 100k 25ms 1M 100ms 10M 150ms 100M 250ms Continuity 1k 3ms Diode testing 1mA 1ms 100uA 1ms 10uA 1ms Take steps below for delay settings 1 Press Shift to enter the menu on th...

Page 38: ...on versions to yield a single filtered reading Only one reading conversion is performed if the filter is disabled or after the specified number of reading conversions for a moving average filter is re...

Page 39: ...to choose a numerical place and use and keys to increment or decrement the digits Enter a value of count from 2 to 100 11 Press Auto ENTER to confirm the count The message CHANGE SAVED will be display...

Page 40: ...RDGS STORE function 6 Use or key to set reading store function to ON or OFF 7 Press Auto ENTER to confirm the ON OFF selection The message CHANGE SAVED will be dis played to show that the change is no...

Page 41: ...ored reading n is the number of stored readings The STD value is the standard deviation of the buffered readings The equation used to calculate the standard deviation is Where is a stored reading n is...

Page 42: ...ommand level within the MATH MENU 1 SET M will be dis played 4 Use or key to move across to the HIGH LIMIT command 7 HIGH LIMIT will be dis played 5 Press to move down a level to input the high limit...

Page 43: ...e following steps to change the beeper s state 1 Press Shift to enter the menu on the menu level A MEAS MENU will be displayed 2 Use or key to move across to the SYS MENU on the menu level D SYS MENU...

Page 44: ...Press to move down to the command level within the SYS MENU 1 RDGS STORE will be displayed 4 Use or key to move across to the LOAD CNFG command 6 LOAD CNFG will be dis played 5 Press to move down a le...

Page 45: ...ting 1 Press Shift to enter the menu on the menu level A MEAS MENU will be displayed 2 Use or key to move across to the SYS MENU on the menu level D SYS MENU will be displayed 3 Press to move down to...

Page 46: ...the calibration date to view the number of times calibration has been performed and to perform calibration Some of the items are password protected to prevent accidental or unauthorized calibration o...

Page 47: ...panel The interface selection is stored in non volatile memory It does not change when power has been off or after a remote interface reset 5 1 1 USB You can operate the USB device interface as if it...

Page 48: ...NTERFACE command 2 INTERFACE will be dis played 5 Press to move down a level to select an interface 6 Use or key to select GPIB interface 7 Press Auto ENTER to confirm the selection The message CHANGE...

Page 49: ...n Table 5 2 Table 5 2 Signal Definition for 9 Pin Connector Function Code 9 Pin Connector Pin Number Transmitted Data TXD 3 Received Data RXD 2 Signal Ground Common GND 5 Figure 5 1 shows the rear pan...

Page 50: ...ted to the controller is terminated with LF CR or LF CR 5 2 3 Selecting Baud Rate The baud rate is the rate at which Model DMM digital multimeter and the computer communicate Choose one of these avail...

Page 51: ...ayed 4 Use or key to move across to the PARITY command 4 PARITY will be displayed 5 Press to move down a level to set the parity mode 6 Use or key to select a parity mode 7 Press Auto ENTER to confirm...

Page 52: ...return method to eliminate the data losses and errors during communication Please refer to the content below before programming communication software 1 For command syntax and format refer to Chapter...

Page 53: ...the next command being lost when DMM is executing the former com mand Please refer to Chapter 8 for serial interface program examples 5 3 GPIB interface operation This section contains information ab...

Page 54: ...Addressing Model DMM digital multimeter ships from the factory with a GPIB address of 8 You can set the address to a value of 0 to 30 and the address is saved in the non volatile memory Do not assign...

Page 55: ...meter REM REMOTE 8 Goes into effect when next addressed to listen IFC ABORT 8 Goes into talker and listener idle states LLO LOCAL LOCKOUT LOCAL keys locked out GTL LOCAL 8 Cancel remote Restore front...

Page 56: ...m commands in this manual So the lower level commands are legal only when the subsystem commands have been selected A colon is used to separate the higher level commands and the lower level commands S...

Page 57: ...LD STATe 1 Parameter types The following are some of the more common parameter types b Boolean Used to enable or disable an instrument operation 0 or OFF disables the opera tion and 1 or ON enables th...

Page 58: ...the fourth letter of the command word is a consonant retain it but drop all the letters after it Example format form If the command contains a question mark query or a non optional number included in...

Page 59: ...egin with the root command unless it is optional e g SENSe If the root is optional simply treat a command word on the next level as the root The colon at the beginning of a program message is optional...

Page 60: ...esting CONTinuity Continuity test Description This command combines all of the other signal oriented measurement commands to perform a one shot measurement and acquire the reading When this command is...

Page 61: ...selected All controls related to the selected function are defaulted to the RST values Continuous initiation is disabled The control source of the Trigger Model is set to Immediate The count values of...

Page 62: ...g of the Trigger Model If the instrument is in the idle state INITiate takes the instrument out of the idle state If continuous in itiation is enabled INITiate CONTinuous ON then the INITiate command...

Page 63: ...ay circuitry When disabled the instrument operates at a higher speed While disabled the display is frozen All front panel controls except LOCAL are disabled Normal display operation can be resumed by...

Page 64: ...et target value for PERCent calculation 100e6 100e6 Use input signal as target value Query percent Enable or disable KMATh calculation Query state of KMATh calculation Read result of KMATh calculation...

Page 65: ...erformed With MXB or PERCent selected and enabled the result of the calcu lation is displayed The calculated reading is refreshed every time the instrument takes a reading KMATh Commands MMFactor NRf...

Page 66: ...l reading and use it as the target value for the PERCent calculation STATe b Command syntax CALCulate 1 STATe b Command Parameter b 0 or OFF Disable CALC1 calculation 1 or ON Enable CALC1 calculation...

Page 67: ...in the buffer PIONts NRf Command syntax CALCulate2 TRACe POINts NRf Command Parameter NRf 2 to 512 Specify buffer size Query POINts Query buffer size Description This command is used to specify the bu...

Page 68: ...STATe Query state ON or OFF of CALC2 Descriptioon This command is used to enable or disable the CALC2 calculation When enabled the selected CALC2 format will be calculated when the IMMediate or IMMed...

Page 69: ...ange sensitive A limit of 1 for DCV is 1V on all measurement ranges STATe b Command syntax CALCulate3 LIMit 1 STATe b Command Parameter b 0 or OFF Disable limit test 1 or ON Enable limit test Query ST...

Page 70: ...HOLD VOLT DC 1 5 OFF CURRent AC NPLCycles n NPLCycles RANGe UPPer n UPPer AUTO b AUTO REFerence n STATe b STATe ACQuire REFerence DIGits n DIGits AVERage TCONtrol name TCONtrol COUNt n COUNt STATe b...

Page 71: ...Query filter type Specify filter count 1 to100 Query filter count Enable or disable filter Query state of digital filter 1 3 ON 0 OFF 6 10 OFF VOLTage AC NPLCycles n NPLCycles RANGe UPPer n UPPer AUT...

Page 72: ...Query filter type Specify filter count 1 100 Query filter count Enable or disable filter Query state of digital filter 1 1000 ON 0 OFF 6 10 OFF RESistance NPLCycles n NPLCycles RANGe UPPer n UPPer AUT...

Page 73: ...pe Specify filter count 1 to 100 Query filter count Enable or disable filter Query state of digital filter 1 100e6 ON 0 OFF 6 10 OFF FREQuency THReshold VOLTage RANGe n RANGe REFerence n STATe b STATe...

Page 74: ...AC Select AC Current CURRent DC Select DC Current RESistance Select 2 wire Resistance FRESistance Select 4 wire Resistance FREQuency Select Frequency PERiod Select Period DIODe Select Diode Testing C...

Page 75: ...E 01 Notice that the measurement function is not included in the response message Thus you may want to perform a function query after a reading query HOLD Command The following commands are used to co...

Page 76: ...MINimum 0 1 MAXimum 10 Query NPLCycles Query programmed NPLC value Description The integration period measurement speed for the basic measurement functions except Frequency and Period is set using the...

Page 77: ...the parameter n 0 05 or 50e 3 in order to select the 100mV range AUTO b Command syntax SENSe 1 CURRent AC RANGe AUTO b Set auto range for ACI SENSe 1 CURRent DC RANGe AUTO b Set auto range for DCI SEN...

Page 78: ...pecified function MAXimum Maximum value for specified function Query REFerence Query reference for relative function Descripton These commands are used to establish a reference value for the specified...

Page 79: ...ance REFerence ACQuire Acquire reference for 4 SENSe 1 FREQuency REFerence ACQuire Acquire reference for FREQ SENSe 1 PERiod REFerence ACQuire Acquire reference for PER Description When one of these c...

Page 80: ...configure and control the filter STATe b Command syntax SENSe 1 CURRent AC AVERage STATe b Control filter for ACI SENSe 1 CURRent DC AVERage STATe b Control filter for DCI SENSe 1 VOLTage AC AVERage S...

Page 81: ...r count for DCI SENSe 1 VOLTage AC AVERage COUNt n Specify filter count for ACV SENSe 1 VOLTage DC AVERage COUNt n Specify filter count for DCV SENSe 1 RESistance AVERage COUNt n Specify filter count...

Page 82: ...iode test current to 1mA 10 10 A Specify diode test current to 10 A 100 100 A Specify diode test current to 100 A Query UPPer Query selected range Description There are three current ranges available...

Page 83: ...multimeter out of remote and restore operation of front panel RS232 only ON ON PRESet Command PRESet Command Syntax SYSTem PRESet Description This command returns the instrument to factory defaults s...

Page 84: ...or OFF Disable beeper Query STATe Query state of beeper Description This command is used to enable or disable the beeper for limit tests RS 232 Interface Commands LOCal Command syntax SYSTem LOCal Des...

Page 85: ...ance Query ACV units Select DCV measurement units V DB DBM Path to set DB reference voltage Specify reference in volts 0 to 1000 Query DB reference voltage Path to set DBM reference impedance Specify...

Page 86: ...x UNIT VOLTage AC DBM IMPedance n Command parameter n 1 9999 Specify reference impedance Query DBM IMPedance Query reference impedance Description This command is used to specify the dBm reference imp...

Page 87: ...he DB unit is selected DCV dB measure ments are made using the specified dB reference level The reference level is specified in volts and is not range dependent For example a dB reference level of 1 i...

Page 88: ...trigger system Select control source Query control source Set delay time Enable or disable auto delay Query state of delay Query delay Set measure count Query measure count Specify sample count Query...

Page 89: ...of trigger mode trigger delay and trigger a measurement SOURce name Command Syntax TRIGger SOURce name Command parameter name IMMediate instrument default setting is internal trigger BUS Triggered via...

Page 90: ...INimum Set trigger count of 1 MAXimum Set trigger count of 9999 Query COUNt Query trigger count Description Specify the trigger count before the digital multimeter go back to idle Parameter INFinite i...

Page 91: ...ry 6 3 9 Common Commands Common commands can be used to all equipments We provide some common commands as below RST Command Syntax RST Description Reset the instrument TRG Command Syntax TRG Descripti...

Page 92: ...C to 18 C and 28 C to 40 C Relative Humidity Up to 80 for 0 C to 28 C 75 RH for 10M and above ranges of resistance measurement Up to 70 for 28 C to 40 C Displayed Readings and Reading rates Full Scal...

Page 93: ...0 0005 0 0001 0 0005 0 0001 Med 100 000mV 1 00000 V 10 0000 V 100 000 V 1000 00 V 2 1 V 10 V 100 V 1 mV 10 mV 10G 10G 10G 10M 1 10M 1 0 0065 0 0090 1 0 0040 0 0018 1 0 0035 0 0010 0 0045 0 0012 0 0055...

Page 94: ...0 020 0 002 0 020 0 002 0 080 0 002 1 200 0 020 0 0006 0 0005 0 0006 0 0001 0 0006 0 0001 0 0006 0 0001 0 0010 0 0002 0 0030 0 0004 0 1500 0 0002 Fast 100 00 1 0000 k 10 000 k 100 00 k 1 0000 M 10 00...

Page 95: ...20 0 002 0 0005 0 005 0 0010 0 005 0 0020 Fast 10 000mA 100 00mA 1 0000 A 10 000 A 1 A 10 A 100 A 1mA 0 15V 10 1 1 5V 10 1 0 3V 0 1 0 15V 0 01 0 10 0 015 2 0 10 0 015 2 0 15 0 015 0 25 0 015 0 002 0 0...

Page 96: ...100 V 1 mV 1 50 0 20 1 50 0 20 1 50 0 20 1 50 0 20 1 50 0 20 0 50 0 10 0 50 0 10 0 50 0 10 0 50 0 10 0 50 0 10 0 10 0 03 0 10 0 03 0 10 0 03 0 10 0 03 0 10 0 03 0 05 0 03 0 05 0 03 0 05 0 03 0 08 0 0...

Page 97: ...0 0 08 0 6 0 08 4 00 0 50 4 00 0 50 4 00 0 50 Fast 100 00 mV 1 0000 V 10 000 V 100 00 V 750 0 V 2 10 V 100 V 1 mV 10 mV 100 mV 0 25 0 05 0 25 0 05 0 25 0 05 0 25 0 05 0 60 0 08 0 60 0 08 0 60 0 08 0 6...

Page 98: ...w 10 00000mA 1 000000 A 10 00000 A 10 nA 1 A 10 A 0 05 0 03 0 10 0 04 0 12 0 04 0 10 0 03 0 50 0 03 0 60 0 05 0 20 0 03 2 00 0 10 2 50 0 10 Med 10 0000mA 1 00000 A 10 0000 A 100nA 10 A 100 A 0 05 0 05...

Page 99: ...nput Sensitivity Sine Wave 100mV to 750V 1 10 s 1 10 s 10ms 10ms 100ms 100ms 200ms 0 001ns 0 1ns 0 1 s 1 s 9 999 999 9 999 999 99 999 99 199 999 9 0 005 0 005 0 01 0 05 100mVrms 40mVrms 40mVrms 200mVr...

Page 100: ...ev of stored reading dBm dB Limit Test and mX b dBm Reference Resistance 1 to 9999 1 step size default is 75 Standard Programming Languages SCPI Standard Commands for Programmable Instruments Remote I...

Page 101: ...port unsigned char code int check_stat int port read serial port state 16bit void send_port int port char c send a character to serial port char read_port int port receive a character form serial por...

Page 102: ...ps else printf nE10 Serial Port Write Echo Error exit 1 send_port PORT n send command end symbol delay 2 while check_stat PORT 256 read_port PORT read string from serial port void string_rd char ps u...

Page 103: ...h ah 2 int14 function2 read character int86 0x14 r r if r h ah 128 if ah 7 be set mean trans error printf nE01 Serial port read error exit 1 return r h al check the status of serial port int check_st...

Page 104: ...R 303 Ram self check failed DCV Calibrate Data is lost DCV Short Data is lost ACV Calibrate Data is lost ACV Short Data is losed DCI Calibrate Data is lost DCI open Data is lost ACI Calibrate Data is...

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