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GDM-8200A Series

1. 4 Close the top cover and tighten the screw from the bottom Configuration Print out the configuration record list on page79 fill in Record the details and keep it with the GDM 8255A series 76 GW INSTEK SCANNER OPTIONAL Insert scanner Power Off Turn the Power Off and take off the power cord L gen NO iMan Open the Take off the two screws on the slot corners to remove the GDM 8200A optional slot cover Keep the screws for later reuse series rear panel slot S S 77 GW INSTEK GDM 8200A Series User Manual Insert the Insert the scanner already configured according to the scanner procedures on page72 to either of the two slots upper or lower Close the cover by tightening the screws Power On 78 GW INSTEK SCANNER OPTIONAL Scanner Configuration Record Channel Wire color Measure type Note CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH9 CH10 CH11 CH12 CH13 CH14 CH15 CH16 CH17 CH18 CARD INPUT CARD SENSE I I I I I E JT JT I I I I I E I I I E E T AMPS 79 GW INSTEK GDM 8200A Series User Manual Setup Scan Overview Scan type Simple Sets the scanned ch
2. GW INSTEK SCANNER OPTIONAL Dc AUTO S il Cru COT Lil Lit Ib tf 13 Set the measurement condition e To select measurement item press the target key To select Auto range press PATE the AUTO key To manually select the range a v press the Up Down key 14 When finished press the Right key to confirm edit and to move to the next channel 15 When all channel configurations are completed press the EXIT key The display goes back to the default mode 85 GW INSTEK GDM 8200A Series User Manual Use external trigger Background The GDM 8200A series uses the internal trigger by default Using an external trigger allows customized triggering Signal connection Connect the external trigger signal to the Digital I O port located on the rear panel DB 9 female DIGITAL I O 00090 ax A O z PA S Digital I O pin assignment HIGH Limit FAIL Out i LOW Limit FAIL Out FAIL Out 6 7 8 9 EOM Out 0000 oo0o000 VCC Out 1 2345 PASS Out Nc E External Trigger In Digital Chassis Ground Pin4 External Trigger Input pin Activate external trigger Press the Shift key followed by the INT EXT TRIG key The EXT indicator O ro appears on the display Start trigger Press the TRIG key to start triggering manually The reading indicator turns On Reading indicator The reading indicator stays
3. Relative mode When measuring resistances higher than 500k Q please GDM 8200A Series User Manual use shielded test cables to reduce noise interference ee Range Full Scale Full Scale Accuracy GDM 8251A GDM 8255A reading digits 100 0002 120 0009 199 9990 0 1 8 1 00000kQ 1 20000kQ 1 99999kQ 0 08 5 10 0000kQ 12 0000kQ 19 9999kQ 0 06 5 S 100 000kQ 120 000kQ 199 999kQ 0 06 5 1 00000MQ 1 20000MQ 1 99999MQ 0 06 5 10 0000MQ 12 0000MQ 19 9999MQ 0 3 5 100 000MQ 120 000MQ 199 999MQ 3 0 8 100 00Q 120 009 199 990 0 1 5 1 0000kQ 1 2000kQ 1 9999kQ 0 08 3 10 000kQ 12 000kQ 19 999kQ 0 06 3 M 100 00kQ 120 00kQ 199 99kQ 0 06 3 1 0000MQ 1 2000MQ 3 1 9999MQ 0 06 3 10 000MQ 12 000MQ 19 999MQ 1 5 3 100 00MQ 120 00MQ 199 99MQ 5 0 5 100 0 120 0Q 199 90 0 1 2 1 000kQ 1 200kQ 1 999kQ 0 08 2 10 00kQ 12 00kQ 19 99kQ 0 06 2 F 100 0kQ 120 0kQ 199 9kQ 0 06 2 1 000MQ 1 200MQ 1 999MQ 0 06 2 10 00MQ 12 00MQ 19 99MQ 1 5 2 100 0MQ 120 0MQ 199 9MQ 5 0 2 AW Resistance e Max Input 500V DC or 500V rms AC When measuring resistances higher than 500k Q please use shielded test cables to reduce noise interference Mn ote Rate 118 Range 100 0002 1 00000kQ 10 0000kQ 100 000kQ 1 00000MQ 10 0000MQ Full Scale Full Scale Accuracy GDM 8251A GDM 8255A reading digits 120 0002 199 999 0 05 8 1 20000kQ 1 99999kQ 0 05 5 12 0000kQ 19 9999kKQ 0 05 5 120 000kQ 19
4. c csescseseeeeeees 70 SCANNER OPTIONAL sssrinin 71 GDM SC1 Scanner Specifications 0 0 0 72 Scanner MaStallaviOMcccceiscssasercinicedeeetactaatheaceseus 72 Setup Call a cancceecusupteenacceas nedeenaececoesennl e iia 80 RUN SCAN susericinatantaatendadadsabndiepengiiciamenincteans 87 DIGITAL JO viscscsasacarasapasaracasantanvagiosnaesawvanendesoananeancoreseaneen 90 Digital 1 O Terminal Configuration 0 91 FEMOTE CONTROL acero ARTA 95 Configure TMLSITACE scecccscscsadeccrwevenseicarerrreeanengeace 96 Command Syntax cccsacciistanvencreetecteaiedarmemceees 99 Command SEU icescrccasearenenterrssusverecnnespcesearnune 100 PAO sor tsacncarstined dest vsieisdans bupdswaitiwndla E 109 APEE NDIA oraa E ee eeecne unseen eee 110 Firmware Version cssccsrmcnsccetrsunnaninecicasinisentiamsds 111 Fuse Replacement ncrccemmniccananlenteninccns 112 Specification S sser 114 EC Declaration of Conformity cccceeeeeeees 121 INDEX ssictincievovavenenedasetaneceveicnsdiacanorevetesoddealiaonransieensa vedas 122 GW INSTEK SAFETY INSTRUCTIONS S areTY INSTRUCTIONS This chapter contains important safety instructions that you must follow when operating the GDM 8200A series and when keeping them in storage Read the following before any operation to insure your safety and to keep the best condition for the GDM 8200A seties RS232 INPUT V Q gt 0000 uN WARNING TO AVOID SHOCK REMOVE INPUTS BEFORE OPENING MAX DC1000V my AC 750V S
5. v0 signal sampling page62 2ND Display LOCAL 2ND LOCAL As the 2 key selects the measurement item on the 2 display page55 Pressing and holding for more than 1 second turns off the 2 display As the Local key releases the remote control and goes back to the local panel operation page96 MENU O SHIFT 2NP Menu Enters the configuration mode Configures or displays the following items Display page57 Beep page35 Continuity threshold page34 Scanner page80 Digital I O page90 and System information page110 16 GW INSTEK GETTING STARTED Rear Panel Overview Optional Item Power Cord Slot x2 Socket DISCONNECT FDWER CORD AND A TEST LEADS BEFORE REPLACING FUSE 50 60Hz 20VA U 16 CHANNEL SCANNER MAX RATING 250V 2A WARNING TO AVOID SHOCK REMOVE INPUTS BEFORE OPENING Digital I O CAL Key USB Device RS 232C Fuse Port Port Port Port T3 15A 250V Power Cord Socket Accepts the power cord AC 100 240V 50 60Hz For power on sequence see page20 Fuse Socket Holds the main fuse T3 15A 250V 20VA For fuse replacement details see pagel12 RS 232C port Reese Accepts an RS 232C cable for remote O O control DB 9 male connector For remote control details see page97 USB device port Accepts a USB device cable for remote control Ty
6. GW INSTEK GDM 8200A Series User Manual NDEX 2 2nd display front panel Key cccecccesesseeceseeneeees 16 measurement OVELVICW ceseeseeeeees 55 B beeper COMMANA Sb ernieren samen 105 SOU ornis en sine cata cdedeses iaedeaeaase 35 C compare value command set cecseeseesseeeesesteeeeeesees 103 SOT a T oaa E E 49 continuity front panel Key ccecsceesesseeeeeeeeeees 14 scanner configuration sssssseessss 73 SOTLE niera E EEr 33 SPECIFICATIONS ssssssssessssssssserersese 119 crest acto eirp eE E 27 current front panel Key ceecccesessseeeeeereeees 14 scanner configuration ssessse ssss 73 SOU a t AEA E A RA 28 specifications ccceesseseceeeceeeenereees 116 D dB COMMANA Steenen 103 front panel key ssesssssssssssesssessrssssersreees 14 nana T E T 43 digital filter command set crcr 102 104 front panel Key cccescceeseesseeeeeeneeees 16 SEn m i a To EEEE EE R NE 62 diode test front panel Key ccccccccceesteeeseeteeees 14 scanner configuration cccseee 73 Taaa T A TT 32 specifications ssssesssessrssssesrresrese 119 display on off sssssnnsseosseeesensssssseseseessssss 65 122 display setting command s et 105 E EN 55011 declaration of conformity 121 EN 61010 declaration of conformity 121 measurement CateQOry ccecccccccereerees 6 pollution degree ccees
7. Repeating Repeating filter renews the whole samples per reading This method is recommended when using the optional scanner page71 1st reading 2nd reading 3rd reading Sample 1 4 Sample 5 8 Sample 9 12 Sample 1 2 3 4 5 6 7 8 9 10 11 12 Filter count Filter count defines the number of samples to be averaged per reading More samples offer low noise but long delay Less samples offer high noise but short delay Range 2 100 62 GW INSTEK Filter setting SYSTEM DISPLAY CONFIGURATION Turn on Filter 1 Press the Shift key followed by PIER the MX MN Filtet key o AC AUTO S lI Deasa cas ance Bi I Afr If f LINI U II lst display Shows the filter count 2nd display Shows the filter type flashing 2 Select the filter type using the a v Up Down key MAT Itt CMe HUI RECN 3 Move the cursor to filter count using the Left Right key Change the value using the a x Up Down key Phir Ut vt LINI Lt tL _ 4 Press the ENTER key to confirm editing The Filter indicator appears on the display ENTER DC AUTO IU IE O lJ lOa t cok Y ia e FILT FILT Indicates manual Filter setting Turn off Filter 1 Press the Shift key followed by PETER the MX MN Filter key The m Filter indicator will disappear from the display 63 GW INSTEK GDM 8200A Series User Manual Display Setting Display light setting Background Display light setting adjusts the b
8. USB device port configuration 96 Local control mode front panel operation press the LOCAL key LOCAL interface 1 Press the Shift key the 2ND Menu key the Right key twice The I O configuration menu appears w m I y I ae a 2 Press the Down key The USB selection display appears EICI LLP ELL en 1 si Ve 3 Press the Down key The USB ON OFF selection appears O l ZI J anl L 7 an ail LUN 4 Press the Up Down key to a x select ON or OFF GW INSTEK REMOTE CONTROL 5 Press the ENTER key to confirm USB selection ENTER 6 Press the Exit key to go back to the default display 7 Connect the USB cable to the p rear panel terminal upper port Configure RS 232C interface Configuration steP 41 Press the Shift key the 2ND MENU Menu key the Right key twice The I O configuration menu appears TRIG TRIG p gt ii 1 l LEVEL II L Press the Down key then the w tap Right key The RS 232C selection display appears I EIC J aiaa Da Da a N AL JAL Press Enter or Down to confirm AyTO Cw RS232 selection ENTER Press the Down or UP keys a x repeatedly to select the baud rate 11520057600 38400 192009600 Press the ENTER key to confirm RS 232C and baud rate selection ENTER 97 GW INSTEK 6 Press the Exit key to go back to the default display GD
9. compared to the retained value 3 Select hold Select the hold threshold a v threshold using the Up Down key The 2 display changes accordingly Range 0 99 1 resolution Deactivate To cancel the Hold Hold measurement press the Hold measurement key for 2 seconds or simply activate another measurement GW INSTEK ADVANCED MEASUREMENT Compare Measurement Background Compare measurement checks and updates if the measurement data stays between the upper high and lower low limit specified 1 Activate Press the Shift key then the COMP Compare measurement HOLD Comp key O o 2 High limit setting manar Pre ERS LLILILILILt lst display Shows the high limit value 2nd display Indicates high limit setting 1 Use the Left Right key to move the cursor flashing point between high low setting digits and decimal point 2 Change the parameter a x using the Up Down key 3 Press the ENTER key to confirm editing and move to the low limit setting ENTER 49 GW INSTEK GDM 8200A Series User Manual 3 Low limit setting Il Innonn acid LLILILILIL 1st display Shows the low limit value 2nd display Indicates low limit setting 1 Use the Left Right key to move the cursor flashing point between high low setting digits and decimal point d A ei _ a 2 Change the parameter us
10. completed the data is stored o internally Press the Shift key followed by the ACI Recall key 2 The first channel appears example channel BA DC 3 To view the Max Min Average aron mep data press the Left and Right ro 7A keys Tt third ft Iil METI vA N U EUO I OSZI AASIN 4 To move to the next channel a v press the Up Down key 5 Press the EXIT key to get out C from recall mode L Setup and run monitoring Panel operation 1 Press the Shift key the 2 key MENU MENU the Left key The Scan o 2ND menu appears lt HOLD rivtl of Cros LP LL I ALIN 2 Press the Down key followed by EN the Left key The Monitor Scan setting menu appears Evel J MoM TOO LERELL I Ii tL 88 GW INSTEK SCANNER OPTIONAL Press the Down key The x channel selection appears aii LLANE T 7 7 Ptr LIIN tht Move the cursor to the channel using the Left Right key and change the value using the a v Up Down key When finished press the ENTER key The Monitoring starts ENTER rog Lil _ DC AUTO S Pigtail Lito ot 89 GW INSTEK GDM 8200A Series User Manual Dictat IJO The rear panel Digital I O terminal outputs the result of Compare measurement to external devices Terminal configuration Application Application Compare measurement 92 Application Ex
11. range 10V Message Remote Marks the end of a command line The Terminator EOL Command following messages are in accordance with IEEE488 2 standard LE CR or CR LF The most common ELO character is CR LE Return LE CR The fixed and only Message option Message Separator semicolon Command Separator 99 GW INSTEK GDM 8200A Series User Manual Command Set e Commands are non case sensitive e Underline means a single space dc_1 DC 1V e When the parameter does not match the real value the closest possible option is automatically selected de_2 DC 2V range DC 10V CONFigure command conf volt dc Sets measurement to DC Voltage and specifies range Parameter NR2 min max Example conf volt dc_1 DCV 1V range Example conf volt dc_min DCV minimum range conf volt ac Sets measurement to AC Voltage and specifies range Parameter NR2 min max Example conf volt ac_1 ACV 1V range Example conf volt ac_min ACV minimum range conf volt dcac Sets measurement to DC AC Voltage and specifies range Parameter NR2 min max Example conf volt dcac_ DC ACYV 1V range Example conf volt dcac_min DC ACV minimum range conf curr dc Sets measurement to DC Current and specifies range Parameter NR2 min max Example conf curr dc_10e 3 DCI 10mA range Example conf curr dc_min DCI minimum range conf curr ac Sets measurement to AC Current and specifies range Parameter NR2 min
12. rr TIN JL JUIN 2 Press the Down key followed by the Right key The Advanced Scan menu appears LEVELE I rile TINI TO PU Lb TUN 3 Press the Down key The Starting Minimum channel setting appears MIN CH POLITIA T LOJIJI tht t 4 Move the cursor to the channel using the Left Right key and change the value using the a v Up Down key Range 101 118 201 218 5 When finished press the ENTER key The End Maximum channel setting ENTER appears MAK CH _ Chk te 83 GW INSTEK 84 GDM 8200A Series User Manual 6 Move the cursor to the channel using the Left Right key and change the value using the a x Up Down key Range 101 118 201 218 must be the same or bigger than the Start Min channel 7 When finished press the ENTER key The Timer setting appears ENTER roi Mt I no int co LiL Lim 8 Move the cursor to the channel using the Left Right key and change the value using the a v Up Down key Range 1ms 9999ms 9 When finished press the ENTER key The Count setting appears ENTER COUNT ifi _ Range 1 999 10 Move the cursor to the channel using the Left Right key and change the value using the a v Up Down key 11 When finished press the ENTER key The channel setting appears ENTER 12 The Minimum first scanned channel as set in the Simple Scan setting appears The default setting is CH101
13. 100 sens aver coun Returns current digital filter count Parameter 2 100 sens aver stat Turns digital filter On Off Parameter Boolean Example sens aver stat_1 digital filter On sens aver stat Returns digital filter status On or Off Parameter Boolean UNIT command unit temp Selects temperature unit celsius or fahrenheit Parameter c celsius f fahrenheit Example unit temp_c temperature unit celsius unit temp Returns temperature unit celsius or fahrenheit Parameter C celsius F fahrenheit CALCulate command calc func Activates advanced measurement functions Parameter rel relative max Max hold Hold dbm dBm db switches between dB dB dBV and dB dBm math Math comp Compare Example calc func_math activate math function Example calc func_db activate dB calc func_db second issue activate dB dBV dBm calc func_db third issue activate dB dBm dBV calc func Returns current advanced measurement functions Parameter rel relative max Max hold Hold dbm dBm DB V dB dBV DB M dB dBm math Math comp Compare calc stat Turns math function On Off Parameter Boolean Example calc stat_ math function On calc stat 102 Returns math function status On or Off Parameter Boolean GW INSTEK calc aver min REMOTE CONTROL Returns minimum value stored calc aver max Returns maximum value sto
14. Compare Compare Measurement cciesicevanavenaverarninteveeses 49 Math Math Measurement cccccccccceeeeseseseeeeeeeeeeeeanees 52 Measure MX4B sscsaciveresaedaciiawssarisadaseedatdienstiaieens 52 Me as re VIX suere inseri i ia 54 Measure Percentage siiniseriisssiriisisrreiisiiioriisirissis 54 Dual Display Dual Display Measurement ccceeeeeeeeeeeees 55 40 GW INSTEK ADVANCED MEASUREMENT Advanced Measurement Overview Background Advanced measurement mainly refers to the type of measurement which uses the result obtained by one of the basic measurements ACV DCV ACI DCI 2 4W Diode Continuity Frequency Period and Temperature MATH dB COMP INT EXT REL PLTER ano DaB ae E Cen Advanced Basic Measurement Measurement AC DCV AC DCI 2 4W Hz P TEMP gt dB e a dBm e a Max Min e e e e e Relative e e e _ Hold o e e Compare e o e e e Math e e e Dual Measurement e e _ Common attribute refresh rate Background Refresh rate defines how frequently the GDM 8200A series captures and updates the measurement data Faster refresh rate yields lower accuracy and resolution Slower refresh rate yields higher accuracy and resolution Consider these trade offs when selecting the refresh rate Range S 5 1 2 digits M 4 1 2 digits F 3 1 2 digits Selection step 1 Press the Shift key followed
15. Frequency or Period Period page36 SHIFT Hz P dB Measures dB page44 O E 14 GW INSTEK GETTING STARTED Temperature Measures Temperature page37 SHIFT TEMP SENSOR Selects the type of thermocouple SENSOR used in the Temperature measurement page38 Measurement keys Lower row AUTO ENTER As the AUTO key selects the measurement range automatically ENTER As the ENTER key confirms the entered value SHIFT AUTO RATE Selects the measurement update rate RATE Slow Medium or Fast page22 ENTER Up Down a Selects the parameter in various occasions higher da or lower W U RANGE J HOLD Activates the Hold function page48 SHIFT HOLD COMP Activates the Compare measurement COMPare 0 page49 TRIG Trigger Triggers sample acquisition manually page59 SHIFT gt TRIG INTEXT Selects the Internal or the External Int Ext Trigger gt trigger source page59 Left Right Selects the parameter in various occasions left or right L cHolces __J REL Measures the Relative value page46 REL SHIFT REL REL Manually sets the reference value for RELative base r the Relative value measurement page46 15 GW INSTEK GDM 8200A Series User Manual MX MN Measures the Maximum or the MAX MIN Minimum value page45 SHIFT gt FILTER Selects the digital filter type for the MX MN FILTER
16. L nae JU LL 3 Press the Down key again The v Starting Minimum channel setting appears MIN CH I LILIA fI LIUN ILI I 4 Move the cursor to the channel using the Left Right key and change the value using the a x Up Down key Range 101 118 201 218 5 When finished press the ENTER key The End Maximum channel setting ENTER appears MID Fu umra I hitii ak 81 GW INSTEK GDM 8200A Series User Manual 6 Move the cursor to the channel using the Left Right key and change the value using the a v Up Down key Range 101 118 201 218 must be the same or bigger than the Start Min channel 7 When finished press the ENTER key The Timer setting appears ENTER TIM No ims OoOO 8 Move the cursor to the channel using the Left Right key and change the value using the a v Up Down key Range 1ms 9999ms 9 Press the ENTER key The loop step Count setting appears ENTER COUNT i 10 Move the cursor to the channel using the Left Right key and change the value using the a v Up Down key Range 1 999 11 Press the ENTER key followed auro by the EXIT key The setting is stored and the display goes back ENTER 0 to the normal mode 82 GW INSTEK Setup Advanced Scan Panel operation SCANNER OPTIONAL 1 Press the Shift key the 2P key MENU MENU the Left key The Scan O gt 2ND menu appears LEVEL ZLI LEL
17. Manual Fuse Replacement Replace AC source fuse Step 1 Take off the power cord and remove the fuse socket using a minus driver 2 Replace the fuse in the holder Rating T3 15A 250V 112 GW INSTEK APPENDIX Replace input current fuse Step 1 Press the Fuse holder V oat oy 2 The fuse holder comes out Replace the fuse inserted at the end of the holder PUI a AW yor A gense Rating T2A 250V 113 GW INSTEK GDM 8200A Series User Manual Specifications General e All specifications are ensured only under a single display e At least 30 minutes of warm up time is required before Note applying these specifications e Make sure the power ground is connected Type Digit Slow S 5 Digit Rescuer wei M AY Digit Fast F 3 Digit Operation Ambient Temperature 0 C 40 C Relative Humidity lt 75 Environment For full accuracy 18 C 28 C Temperature lt 0 2 x applicable accuracy per degree C Coefficient for 0 C 18 C and 28 C 40 C Storage Ambient Temperature 10 C 70 C Environment Power Source Dimension Weight Relative Humidity 0 C 35 C lt 75 35 C 50 C lt 50 AC 100 240V 10 50 60Hz 265 W x 107 H x 350 D mm Approx 2 6kg without option Reading rates readings sec Function Rate S M F DCV 10 30 60 DCI 10 30 60 ACV 1 5 20 ACI 5 20 2 4W Q 1oM 100MQ es 2 4WQ others 3 5 8 AC
18. Menu key the Right key the ae ano Down key The delay menu ee 2 Press the Down key The delay setting appears 60 GW INSTEK SYSTEM DISPLAY CONFIGURATION Tita Li no ine oe LiL them 3 Move the flashing point cursor using the Left Right key Change the value using the a v Up Down key 4 Press the ENTER key to auro confirm editing and press the EXIT key The display goes ENTER back to previous mode Range 1 1000ms 1ms resolution 61 GW INSTEK GDM 8200A Series User Manual Digital Filter Setting Overview Filter basic The GDM 8200A series internal digital filter converts the analog input signal into digital format before passing it to internal circuits for processing The filter affects the amount of noise included in the measurement result Filter type The digital filter averages a specific number of input signal samples to generate one reading The filter type defines the averaging method The following diagrams show the filter difference as an example of averaging 4 samples per reading Moving Moving filter takes in one new sample and default discards the oldest sample per reading This is the default behavior when the digital filter is not specified and is recommended for most applications except for the optional scanner operation page71 3rd reading Sample 3 6 2nd reading Sample 2 5 ist reading Sample 1 4 Sample 1 2 3 4 5 6 7 8 9 10 11 12
19. Overview sesser 22 AC DC AC DC Voltage Measurement 24 AC DC AC DC Current Measurement 28 2W 4W Resistance Measurement 066 30 Diode 16S lx iradsdereicesetreaccicspeneatandesesmcemsdicuancaenss 32 Continuity TeSt cic ccpecacormerinepeides ceceeaenieestence 33 Frequency Period Measurement osne 36 Temperature Measurement ceseeeeeeeeeeee ee 37 ADVANCED MEASUREMENT cccsseccesscescersesenseces 40 Advanced Measurement Overview a s 4 dBm dB Measurement ccsseceeceeeneeeeeeees 43 Max Min Measurement isiss ccsdvceriiadanorecewenasiiannd 45 Relative Value Measurement cccceceeeeeeees 46 Hold Measurement cccccccccceesssesseeeseeeeeceeees 48 Compare Meas urenient wsssssieecrscccwaresenrwncenencvareny 49 Math Measurement cccccccceesseseeeeeeeeeeeeeees 52 Dual Display Measurement 55 SYSTEM DISPLAY CONFIGURATION oseseessssssseessseess 57 Refresh Rate Set iP ccacssgevsiccgecaticsieeenadaccacivans 58 Trigger STING iescaisactarecterepcponieediccdieeeraseteeenes 59 GW INSTEK GDM 8200A Series User Manual Digital Filter Sette ccc ad cnverensccoscedsteeencheemereens 62 Display Setting isorine 64 STORE RECALL orrien a a ES 66 Store Measurement Record sssssssesssssesserrsese 67 Recall Measurement Record ccecccecececeeeee seen 68 Save Instrument Settings xc scccccsvescsnevesnsiersericcsisetes 69 Recall Instrument Settings
20. external trigger Background The GDM 8200A series uses the internal trigger by default for example to count the frequency and the period Using an external trigger allows customized triggering condition Signal Connect the external trigger signal to the Digital I O connection port located on the rear panel DB 9 female DIGITAL I O Digital I O pin assignment HIGH Limit FAIL Out LOW Limit FAIL Out FAIL Out 6 7 8 9 EOM Out 0000 oo00o000 VCC Out 1 2345 PASS Out NC External Trigger In Digital Chassis Ground 59 GW INSTEK GDM 8200A Series User Manual 1 Activate Press the Shift key followed by the INT EXT external trigger TRIG key The EXT indicator r appears on the display LI tbr TIT PEM Lo EXT 2 Start trigger Press the TRIG key to start triggering manually The indicator turns On AUTO S ITIITI LILILILILI tg Reading indicator The reading indicator does not flash before triggering can be on or off After triggering the indicator flashes according to the external signal trigger timing Exit external Press the Shift key followed by the INTENT trigger TRIG key The EXT indicator O ro disappears and the trigger goes back to internal mode Set trigger delay Background Trigger delay defines the time rag between triggering and measurement start The default is set at 10ms Panel operation 1 Press the Shift key the 2ND MENU
21. in accordance with the following code Green Yellow Earth OE Blue Neutral Osage Brown Live Phase As the colours of the wires in main leads may not correspond with the colours marking identified in your plug appliance proceed as follows The wire which is coloured Green amp Yellow must be connected to the Earth terminal marked with the letter E or by the earth symbol Sor coloured Green ot Green amp Yellow The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Blue or Black The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably rated and approved HBC mains fuse refer to the rating information on the equipment and or user instructions for details As a guide cable of 0 75mm should be protected by a 3A or 5A fuse Larger conductors would normally require 13A types depending on the connection method used Any moulded mains connector that requires removal replacement must be destroyed by removal of any fuse amp fuse carrier and disposed of immediately as a plug with bared wires is hazardous if a engaged in live socket Any re witing must be carried out in accordance with the information detailed on this label GW INSTEK GETTING STAR
22. port plus the 4W sense and LO port for sensing The display updates the reading 2W connection 4W connection Q COM 30 GW INSTEK BASIC MEASUREMENT Select Resistance range Auto range To turn the automatic range selection On Off press the AUTO key AUTO Manual range Press the Up or the Down key to select a v the range AUTO indicator turns Off automatically If the range is unknown select the highest range Selection list Range Full scale slow rate GDM 8251A GDM 8255A 1009 120 000 199 9990 1kQ 1 20000kQ 1 99999kQ 10kQ 12 0000kQ 19 9999kQ 100kQ 120 000kQ 199 999kQ 1MQ 1 20000MQ2 1 99999 M2 10MQ 12 0000M2 19 9999MQ 100MQ 120 000MQ2 199 999MQ Note For more detailed range see the specifications at page118 31 GW INSTEK GDM 8200A Series User Manual Diode Test Background Diode test checks the forward bias characteristics of a diode by running a constant forward bias current approx 0 5mA through the DUT 1 Activate diode test Press the key once 2 Diode mode display appears PIDIE 1 e a LIL V Indicates Diode test DIODE 2nd display shows the title 3 Connect the test lead and measure Connect the test lead between the gt gt F and COM port Anode V Cathode COM The display updates the reading COM 32 GW INSTEK BASIC MEASUREMENT Continuity Test Background Continui
23. simulated 0 50 C 0 01 C The terminal temperature is manually defined by the user Default value 23 00 1 Open Press the Shift key the TEMP SENSOR reference Sensor key then the Down key O junction The reference junction selection menu menu appears on the display Lt M UU UL E 2 Edit Use the Left Right key to move reference the cursor and use the Up Down temperature key to change the value a x Default 23 00 rot MW oma ann Il dl OAL ALLI Press the Enter key to confirm the jyto value or the Exit key to cancel The display goes back to the ENTER confirm default state ncel 39 GW INSTEK GDM 8200A Series User Manual Avancep MEASUREMENT dBm dB 2 EBD E vem COMP INT EXT MATH HOLD TRIG gt Overview Advanced Measurement Overview cecceceeeeeee 4 Common attribute refresh rate cccececceeeece seuss 41 Common attribute reading indicator cere 42 Common attribute manual automatic triggering 42 dBm dB dBm dB Measurerient csi co cuaviencsadsacasiaaetons 43 Measure Cl BiG cuicscccsathnelasuaededincunamaogeciiecdassamieweuudeds 43 MGB SURG OB saisssinoessanancmnassigoraaacassnareusn eassemadoniead 44 Max Min Max Min Measurement cece ceeeeeeeeeeeeeeee ees 45 Relative Relative Value Measurement c cccecececeeeeeees 46 Hold Hold Measurement ieiscivelesseserstancsereeiueaeed erecevadeauen 48
24. the default setting appears Example DCV Auto 1V range pc AUTO i ov WO IC us I I jaan Kamea jano lamman GW INSTEK BASIC MEASUREMENT Basic MEASUREMENT DAA A Overview Basic Measurement Overview ccceesecceeeeeeeeeees 22 Common attribute refresh rate ccecececcececeeeees 22 Common attribute reading indicator eee 23 Common attribute manual automatic triggering 23 Voltage AC DC AC DC Voltage Measurement 0 24 Select Voltage range a ciccesniaveweaseasdwesnvaveederrniwtvavanns 25 Voltage conversion table e 26 Crest factor table sixcvatasccusyussnsevisueutabaunedivanconvanies 27 Current AC DC AC DC Current Measurement eneee 28 Select Current an Ge i sexesgciassnnneuntarseenswinwaseansvacadans 29 Resistance 2W 4W Resistance Measurement 30 Select Resistance ran esccsivavecssdeassasessansasesdeeeaseass 31 Diode Diode TeSt ar ee ninri ete a n nie 32 Continuity Continuity TEStsisnas tiii einir tiia 33 Set continuity threshold sssssssssssssssessersrsesrererereeene 34 Select beeper setting sssessesssesrsrersrerrrrrerererereree 35 Frequency Frequency Period Measurement seseseeeeeeee 36 Period Temperature Temperature Measurement ceeeeeeeeeeeeeeeeeeeeee 37 Select thermocouple type yin cdcseceay aca ees 38 Set reference junction temperature 0 5 39 GW INSTEK GDM 8200A Series User Manual
25. 0 00V 199 99V 750 0V 100mV 750 0V 750 0V 115 GW INSTEK GDM 8200A Series User Manual 100 0mV 100pV 120 0mV 199 9mV 1 000V ImV 1 200V 1 999V F 10 00V 10mV 12 00V 19 99V 100 0V 100mV 120 0V 199 9V 750V 1V 750V 750V Rate Range Accuracy reading digits 20 45Hz 45 10kHz 10k 30kHz 30k 100kHz 100 000mV 1 100 0 2 100 1 5 300 5 300 1 00000V 1 100 0 2 100 1 100 3 200 S 10 0000V 1 100 0 2 100 1 100 3 200 100 000V 1 100 0 2 100 1 100 3 200 750 00V 1 100 0 2 100 1 100 3 200 100 00mV 0 2 40 1 5 80 5 120 1 0000V 02 40 1 40 3 80 M 10 000V 02 40 1 40 3 80 100 00V 0 2 40 1 40 3 80 750 0V 0 2 40 1 4 40 3 80 100 0mV 0 2 5 1 5 10 5 15 1 000V 0 2 5 1 5 3 10 F 10 00V 02 5 1 5 3 10 100 0V 0 2 5 1 5 3 10 750V Sa Eo eo DC Current mA range protected with a 2A fuse AN note e 10A range protected with a 12A 600V fuse e 10A only for 30 seconds Accuracy Rate Range Resolution a A dope i reading digits 10 0000mA 0 1pA 12 0000mA 19 9999mA 0 05 15 s 100 000mA 1pA 120 000mA 199 999mA 0 05 5 1 0000A 100pA 1 2000A 1 9999A 0 2 5 10 0000A 100pA 10 0000A 10 0000A 0 2 5 10 000mA pA 12 000mA 19 999mA 0 1 6 M 100 00mA 10pA 120 00mA 199 99mA 0 1 3 1 000A ImA 1 200A 1 999A 0 2 3 10 000A ImA 10 000A 10 000A 0 2 3 10 00mA 10pA 12 00mA 19 99mA 0 1 2 F 100 0mA 100pA 120 0mA 199 9mA 0 1 2 1 00A 10mA 1 20A 1 99A 0
26. 10 OOG O e88 Ly POWER RATE v 1 CONP INTEXT R3L FILTER WENU ODOG a fa ENTER Lance LL CHO ces JI LOCAL Models GDM 8251A 1 display meter 120 000 counts GDM 8251A POR LL LILtLt GDM 8255A 1 display meter 199 999 counts GDNMI S255A MICITICITI LIII 10 GW INSTEK GETTING STARTED GDM 8200A Series Characteristics Performance The GDM 8200A series are portable dual display digital multimeters suitable for wide range of applications such as production testing research and field verification High DCV accuracy 0 012 High current range 10A High Voltage range 1000V High ACV frequency response 100kHz Features 120000 meter count GDM 8251A 199999 meter count GDM 8255A Multi functions ACV DCV ACI DCI 2W 4W R Hz Continuity Diode test MAX MIN REL dBm HOLD AutoHold Compare Manual or Auto ranging AC true RMS or AC DC true RMS Interface Voltage Resistance Diode Temperature input Current input 4W sense input USB device RS232 for remote control 9 pin digital I O 16 channel scanner x2 optional Optional Items 16 channel scanner x 2 11 GW INSTEK GDM 8200A Series User Manual Front Panel Overview Measurement keys Main Display 4W Ohm Terminal Fuse GDINV 8255A 199999 Counts Dual Display SCAN STEP RECALL STORE MATH a 0 0 SHIFT EXIT dBm dB RELE SENSOR Terminal FI
27. 2 2 10 00A 10mA 10 00A 10 00A 0 2 2 116 GW INSTEK AC Current ANu ote APPENDIX The specifications are only applicable for sinusoidal signals with amplitudes greater than 5 of the Full Scale reading excluding the GDM 8251A which must have amplitudes greater than 1 0mA when using a range of 10 0000mA mA range protected with a 2A fuse 10A range protected with a 12A 600V fuse 10mA 100mA range specifications are verified for lt 10kHz 1A 10A range specifications are verified for lt 5kHz Rate Range a Full Scale Full Scale GDM 8251A GDM 8255A 10 0000mA 0 1pA 12 0000mA 19 9999mA s 100 000mA 1pA 120 000mA 199 999mA 1 0000A 100pA 1 2000A 1 9999A 10 0000A 100pA 10 0000A 10 0000A 10 000mA 1pA 12 000mA 19 999mA M 100 00mA 10pA 120 00mA 199 99mA 1 000A ImA 1 200A 1 999A 10 000A 1mA 10 000A 10 000A 10 00mA 10pA 12 00mA 19 99mA F 100 0mA 100pA 120 0mA 199 9mA 1 00A 10mA 1 20A 1 99A 10 00A 10mA 10 00A 10 00A Accuracy reading digits Rate Range 20 50Hz 50 10kHz 10k 20kHz 10 0000mA 1 5 100 05 100 2 200 s 100 000mA 1 5 100 0 5 100 2 200 1 0000A 1 100 10 0000A 1 100 10 000mA 0 5 40 2 80 M 100 00mA 0 5 12 2 30 1 000A 10 000A 10 00mA 0 5 5 2 10 F 100 0mA 0 5 2 2 5 1 00A 10 00A 117 GW INSTEK 2W Resistance Aa ote Max Input 500V DC or 500V rms AC
28. 4 GW INSTEK BASIC MEASUREMENT Select beeper setting Background Beeper setting defines how the GDM 8200A series notifies the continuity test result to the user Beeper Pass Beeps when the test result is pass parameter Fail Beeps when the test result is fail off Beep function is turned Off 1 Activate 1 Press the Shift key followed by MENU beeper setting the 2nd Menu key The system 2ND menu menu appears LEVEL a a Ra EL Lvl T EM AJI JILI 2 Press the Down key The beep menu appears l _ ULLI 3 Press the Down key The beep Sa setting appears LEVEL gt I LILI L 2 Select the beep setting To change the setting press the a v Up Down key Beeper type Pass beep when pass Fail beep when fail default Off Ga off 3 Go back to the default display Press the Enter key to confirm Press the Exit key to go back to the co o default display ENTER 35 GW INSTEK GDM 8200A Series User Manual Frequency Period Measurement 1 Activate frequency period measurement To measure Frequency press the Hz P key once To measure Period press the Hz P Hee key twice 2 Frequency Period mode display appears e oa Ha ae Le cain DETIN Hpi fm Hz S Indicates Frequency period measurement FREQ 2nd display shows the title PERIOD 3 Connect the test lead and measure Conn
29. 40 C operation 18 C to 28 C full accuracy Note EN 61010 1 2001 specifies the pollution degrees and their requirements as follows the GDM 8200A series falls under degree 2 Pollution refers to addition of foreign matter solid liquid or gaseous ionized gases that may produce a reduction of dielectric strength or surface resistivity e Pollution degree 1 No pollution or only dry non conductive pollution occurs The pollution has no influence e Pollution degree 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected e Pollution degree 3 Conductive pollution occurs or dry non conductive pollution occurs which becomes conductive due to condensation which is expected In such conditions equipment is normally protected against exposure to direct sunlight precipitation and full wind pressure but neither temperature nor humidity is controlled Storage Environment Location Indoor e Relative Humidity lt 75 0 35 C lt 50 35 50 C e Temperature 10 C to 70 C GW INSTEK GDM 8200A Series User Manual Power cord for the United Kingdom When using the GDM 8200A series in the United Kingdom make sure the power cord meets the following safety instructions NOTE This lead appliance must only be wired by competent persons cae THIS APPLIANCE MUST BE EARTHED IMPORTANT The wires in this lead are coloured
30. 9 999kQ 0 05 5 1 20000MQ 1 99999MQ 0 05 5 12 0000MQ 19 9999MQ 0 3 5 GW INSTEK APPENDIX 100 000MQ 120 000MQ 199 999MQ 3 0 8 100 002 120 009 199 99Q 0 05 5 1 0000kQ 1 2000kQ 1 9999kQ 0 05 3 10 000kQ 12 000kQ 19 999kQ 0 05 3 M 100 00kQ 120 00kQ 199 99kQ 0 05 3 1 0000MQ 1 2000MQ 1 9999MQ 0 05 3 10 000MQ 12 000MQ2 19 999MQ 1 5 3 100 00MQ 120 00MQ 199 99MQ 5 0 5 100 0 120 0Q 199 90 0 05 2 1 000kQ 1 200kQ 1 999kQ 0 05 2 10 00kQ 12 00kQ 19 99kQ 0 05 2 F 100 0kQ 120 0kQ 199 9kQ 0 05 2 1 000MQ 1 200MQ2 1 999MQ 0 05 2 10 00MQ 12 00MQ2 19 99MQ 1 5 2 100 0MQ 120 0MQ 199 9MQ 5 0 2 Diode Continuity ANu ote Item Diode Continuity Frequency Aa ote Frequency 10Hz 100kHz e Max Input 500V DC or 500V rms AC Range Approx 2V 0 5mA 1 1000Q e Max Input 750V rms or 1000V peak Sensitivity 0 1V 100kHz 600kHz 1V 600kHz 800kHz 2 5V Temperature s ote e Sensor errors excluded from Temperature specifications Accuracy reading digits 0 05 15 0 05 3 0 05 3 Type Measurement Range K 0 300 C Thermo Couple T 0 300 C 0 300 C Resolution 0 01 C 0 300 C 119 GW INSTEK GDM 8200A Series User Manual Optional Scanner Channel 2 wire 16 pairs 4 wire 8 pairs single wire N A Maximum voltage 250V Maximum current 2A ch17 ch18 Resistance 2 4 wite Cold junction N A internal Connection S
31. Basic Measurement Overview Background Basic measurement refers to the eight types of measurements assigned to the upper row keys on the front panel Measurement ACV AC Voltage wpe DCV DC Voltage ACV DCV AC DC Voltage ACI AC Current DCI DC Current ACI DCI AC DC Current 2 4W 2 wire and 4 wire Resistance Dr 1 Diode Continuity Hz P Frequency Period TEMP Celsius Fahrenheit Temperature Advanced Advanced measurement page40 mainly refers to the measurement operation using the result obtained from one or more of the basic measurement Common attribute refresh rate Background Refresh rate defines how frequently the GDM 8200A series captures and updates the measurement data Faster refresh rate yields lower accuracy and resolution Slower refresh rate yields higher accuracy and resolution Consider these trade offs when selecting the refresh rate Range S 5 1 2 digits M 4 1 2 digits F 3 V2 digits Selection step 1 Press the Shift key followed by PALE the AUTO RATE key The 7 refresh rate switches to the next 22 GW INSTEK BASIC MEASUREMENT 2 The refresh rate indicator shows S M F S the current status Common attribute reading indicator Background The reading indicator next to the 1st display flashes according to the refresh rate setting ILI E LITA toe Common attribute manual automatic triggering Automat
32. Digital Multimeter GDM 8200A Series USER MANUAL GW INSTEK PART NO 82DM 8255AEE1 ol ISO 9001 CERTIFIED MANUFACTURER GW INSTEK March 2013 This manual contains proprietary information which is protected by copyrights All rights are reserved No part of this manual may be photocopied reproduced or translated to another language without prior written consent of Good Will company The information in this manual was correct at the time of printing However Good Will continues to improve products and reserves the right to change specifications equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng Dist New Taipei City 236 Taiwan GW INSTEK Table of Contents Table of Contents SAFETY INSTRUCTIONS cacosicsrsswoncatesiansarieesesssuneynseasniesianes 5 Safety Symbol S cp sccsccniia ick tovmedenebacemeneeiicenanes 5 Safety Guidelines x ccccenccpexxppccsnisensaneexcetnnsecandigan ss 6 GETTING SAR ED oie secoscescwacoasateacdes eneoscowtacemaspensuceitestances 9 GDM 8200A Series Lineup sc ccessersisciistancaxtersinens 10 GDM 8200A Series Characteristics 008 1 Front Panel Overview ccccccccssssesssssseeeeeeeeens 12 Rear Panel Overview ccccccccessseesseseeeeeeeeeeees 17 Set UDe reai er POR E een Set mee Dore TTT Tyre menor TT rey O 19 BASIC MEASUREMENT wivicvsivivesscevavadess vireo vinasseavaredxeseans 21 Basic Measurement
33. Example samp coun_10 sampling set at 10 samp coun Returns number of sampling Parameter NR1 1 to 127 trig coun Sets number of trigger counting Parameter NRI 1 to 127 Example trig coun_100 trigger count set at 100 trig coun Returns number of trigger count Parameter NRI 1 to 127 trac data Returns buffer contents 104 GW INSTEK REMOTE CONTROL trac cle Clears buffer contents SYStem related command syst disp Turns display On or Off Parameter Boolean Example disp_1 display On syst disp Returns display status On of Off Parameter Boolean syst beep stat Select beep mode Parameter 0 Off 1 Pass 2 Fail Example syst beep stat_ Beep when pass syst beep stat Returns beep mode status Parameter No beep Beep on Pass Beep on Fail systierr Returns current system error if there is any syst vers Returns system version Parameter 1 00 rst Reset system idn Returns company name model No and system version Example GW GDM8255A 1 0 STAtus reporting command stat ques enab Enable bits in the Questionable Data register stat ques enab Returns Questionable Data register contents in decimal number stat ques even Returns Questionable Data event register contents in decimal number stat pres Clear Questionable Data enable register RS 232C interface command syst loc Enables front panel control and disables remote
34. HB sil AMPS LO CH17 CH18 silat Overview 16 general purpose channels are available 8 on the left row 8 on the right row Current ACI DCI measurement uses 2 extra channels All channels are fully isolated Hi and Lo Scan Step Refer to the below table for measurement and test line connection connection Item No of wire No of channels DCV ACV 2 wires H L 16 CH1 16 DCI ACI 2 wires H L 2 CH17 18 2W Resistance 2 wires H L 16 CH1 16 4W Resistance 4 wires Input H 8 pairs CH1 L Sense H L input amp 9 sense 2 amp 10 8 amp 16 Diode Continuity 2 wires H L 16 CH1 16 Period Frequency 2 wires H L 16 CH1 16 Temperature 2 wires H L 16 CH1 16 73 GW INSTEK GDM 8200A Series User Manual Select Channel group and enable scanner Background 2 groups 16 channels each are available for the scanner Group CH101 118 Group2 CH201 218 Select group Set the jumper J8 in the center of the board accordingly Jumper J8 Move the jumper to the right pins 2 3 for selecting CH1xx 101 118 and move to the left pins 1 2 for selecting CH2xx 201 218 Enable scanner Set the jumper J9 on the rear side of the board Jumper J9 accordingly Move the j
35. LTER RATE v COMP INT XT CIRES ener rana _J LU cocs J CAT 1000V CAT II 600V OUTPUT Power Switch Power Switch POWER al nO Output On Off key Turns On m or Off the main power For power up sequence see page20 Main Display Shows measurement results and parameters For display configuration details see page64 light setting Input fuse 4W As a fuse protects the instrument from Q sense LO over current Rating T2A 250V terminal For fuse replacement procedure see FUSE page113 Bie As a sense terminal accepts 4W Q measurement LO connection Also accepts current input less than 2A For details see page30 4W Q Sense HI eh Accepts HI sense line in 4W resistance Terminal measurement For details see page30 12 GW INSTEK GETTING STARTED COM Terminal Accepts ground COM line in all measurements except the sense line in MAX 4W Resistance page30 500V INPUT Voltage 2WO voy Accepts input in all measurements Pt Diode AN except for DC AC Current and 4W Terminal Resistance sense line MAX DC1000V M AC 750V Current Terminal an Accepts DC AC Current input For DCI ACI details see page28 gt Output On Off OUTPUT Turns the display on or off When the key display is turned off all panel keys ONOFF except the Output On Off key become disabled The Output On Off key is On by de
36. M 8200A Series User Manual 7 Connect the RS 232C cable to the rear panel terminal RS 232C pin Pin 2 RxD assignment Pin 3 TxD Pin 5 GND Pin 1 4 6 9 No Connection PC GDM Null modem connection in which transmit TxD and RS 232C receive RxD lines are cross linked is required Connection 98 GDM Pin2 RxD Pin3 TxD Pin5 GND eee PC RxD Pin2 TxD Pin3 GND Pind lL eee GW INSTEK REMOTE CONTROL Command Syntax The commands are partially compatible with IEEE488 2 1992 and SCPI 1994 standard Commands are NON case sensitive Example command conf volt dc _1 1 Command Header r 2 Single space 1 23 3 Parameter Parameter example Boolean Boolean logic 0 or 1 Used for On 1 or Off 0 command NR Integer 0 1 2 3 NR2 Decimal number 0 0 0 1 0 2 NR3 Floating point number 4 5e 1 8 5e 1 min max The GDM 8200A series automatically translates to Minimum min or Maximum max value available Automatic The GDM 8200A series automatically translates the parameter range command parameter into the closest available value selection Example 1 conf volt dc_1 Sets the measurement item to DC Voltage and the range to 1V the GDM 8200A series selects the 1V range Example 2 conf volt dc_2 Sets the measurement item to DC Voltage and the range to 2V There is no 2V range so the GDM 8200A series selects the closest
37. Measurement Record Background The GDM 8200A series can recall the stored measurement history for observation and analysis as in Maximum Minimum and Average value Not applicable to Store recall measurement history is not applicable to Diode Continuity test gt Recall stored Press the Shift key then the ACI PEDAL record Recall key The stored measurement record appears i nogo0 PIT thd J _ Vv Ltt tt reL lst display Shows the stored measurement result 2nd display Shows the reading count RCL Indicates the data has been recalled View each Change the reading count using the a x reading Up Down key View Max Min Switch to the Average Maximum Average Minimum value of the recorded data using the Right key Use the left key to go back IAM S0C MaM LILILELILE tk EO ON 68 GW INSTEK STORE RECALL Save Instrument Settings Background The GDM 8200A series can save up to ten instrument settings The settings can save the state function I O and range Upon powering up the current instrument setting is displayed Set Instrument Setting Press the Shift key the 2ND key MENU Down and then Left twice The Save o menu appears gt COMP COMP 0 0 ICC J a LEI E In L AMW L Press the Down key to enter the x Save menu Memory Slot Choose the memory slot to save to es Cw Selection by using the Up Down Left and Con
38. On before triggering After triggering the indicator flashes according to the external signal trigger timing Exit external trigger Press the Shift key followed by the INT EXT TRIG key The EXT indicator ra disappears and the trigger goes back to the internal mode 86 GW INSTEK Run Scan Overview Scan operation type Run Scan Step Activate Scan Step SCANNER OPTIONAL Scan Measures all specified channel range at each trigger event Timer setting page81 applies between each scan Step Measures a single channel in the specified range at each trigger event Timer setting page81 applies between each channel Monitor Continuously measure one channel Press the Shift key followed by SCAN the ACV key SCAN or DCV O o key Step STEP eo The STO indicator turns On The Scan Step starts running and the data is recorded After running the predefined count the Scan Step stops running DC AUTO S B ior won eee d lb tatty Scan Retrigger Restart To run the Scan Step again press the TRIG key The previous data is overwritten by the new Scan Abort Scan Step To abort Scan Step or to go back to the normal display press the Shift key followed by the ACV key Scan ot DCV key Step again STEP SCAN em 87 GW INSTEK GDM 8200A Series User Manual Recall Scan Step result Panel operation 1 After the Scan Step is atcha
39. TED G ETTING STARTED This chapter describes the GDM 8200A series in a nutshell including its main features package contents and front rear display panel introduction After going through the overview follow the Power up sequence and Functionality check section to properly setup the GDM 8200A series Please note the information in this manual was correct at the time of printing However as GWInstek continues to improve its products changes can occur at any time without notice Please see the GWInstek website for the latest information and content Characteristics GDM 8200A Series Lineup ccccccececeeneeeeeeees 10 GDM 8200A Series Characteristics cccceceees 11 Panel Overview Front Panel Overview cccccecececeeeneeeeeeeeeeeeees 12 Measurement keys Upper row esesesesereeeees 13 Measurement keys Lower row ceceeeeeeeeeeeeeeeees 15 Rear Panel Overview caicccicssanssaridersanveeneardeveaeeads 17 Setup Tilt Stand sneren E 19 PO WEE U Dissresercssneee oscoro anio neee TE nase 20 GW INSTEK GDM 8200A Series User Manual GDM 8200A Series Lineup The GDM 8200A series consists of two models GDM 8251A and GDM 8255A Appearance Both two models are identical except for the model name and the meter count of the 1 display Model Name 1st Display er a GWINSTEK Gomse2ssa _ororO X X SHIFT EXIT SCAN STEP RECALL STORE MATH dem cB SENSOR
40. V DCV 0 5 1 3 ACI DCI 0 5 3 Diode 30 30 60 114 GW INSTEK APPENDIX DC Voltage AN vote e Max Input 1000V DC or Peak on all range Rate Range Resolution Full Scale Full Scale Accuracy 8251A 8255A 100 000mV 1pV 120 000mV 199 999mV 0 012 8 1 00000V 10pV 1 20000V 1 99999V 0 012 5 S 10 0000V 100p V 12 0000V 19 9999V 0 012 5 100 000V ImV 120 000V 199 999V 0 012 5 1000 00V 10mV 1000 00V 1000 00V 0 012 5 100 00mV 10pV 120 00mV 199 99mV 0 012 5 1 0000V 100pV 1 2000V 1 9999V 0 012 5 M 10 000V ImV 12 000V 19 999V 0 012 5 100 00V 10mV 120 00V 199 99V 0 012 5 1000 0V 100mV 1000 0V 1000 0V 0 012 5 100 0mV 100p V 120 0mV 199 9mV 0 012 2 1 000V ImV 1 200V 1 999V 0 012 2 F 10 00V 10mV 12 00V 19 99V 0 012 2 100 0V 100mV 120 0V 199 9V 0 012 2 1000V 1V 1000V 1000V 0 012 2 AC Voltage e The specifications are only applicable for sinusoidal signals with amplitudes greater than 5 of the Full Scale reading excluding the GDM 8251A which must have Note amplitudes greater than 10 0mV when using a range of 100 000mV e Input gt 450V only for 30sec lt 200V for 20 45Hz Full Scale Full Scale Rate Range Resolution GDM 8251A GDM 8255A 100 000mV 1pV 120 000mV 199 999mV 1 00000V 10pV 1 20000V 1 99999V S 10 0000V 100p V 12 0000V 19 9999V 100 000V ImV 120 000V 199 999V 750 00V 10mV 750 00V 750 00V 100 00mV 10pV 120 00mV 199 99mV 1 0000V 100p V 1 2000V 1 9999V M 10 000V ImV 12 000V 19 999V 100 00V 10mV 12
41. actor M in Math measurement Parameter NR2 calc math mbf Sets offset B in Math measurement Parameter NR2 Example calc math mbf_10 Math offset set to 10 calc math mbf Returns offset B in Math measurement Parameter NR2 103 GW INSTEK calc math perc GDM 8200A Series User Manual Sets target value in Math measurement Parameter NR2 Example calc math perc_50 target set to 50 calc hold ref Set percentage of Hold function Parameter 0 to 99 min max calc hold ref Return percentage of Hold function Parameter 0 to 99 TRIGger command read Returns 1 and 2 display value vall Returns 1 display value val2 Returns 2 display value trig sour Selects trigger source Parameter int internal ext external Example trig sour_ext External trigger selected trig sour Returns current trigger source Parameter INT internal EXT external trig del Sets trigger delay in milli seconds Parameter 0 9999 min max Example trig del_50 trigger delay set at 50ms Example trig del_min trigger delay set at minimum 1ms trig del gt Returns trigger delay in milli seconds Parameter 0 9999 min max trig auto Turns trigger auto mode On or Off Parameter 1 on 0 off Example trig auto_1 trigger auto mode On trig auto Returns current trigger auto mode Parameter 1 on 0 off samp coun Sets number of sampling Parameter NRI 1 to 127
42. afety Symbols These safety symbols may appear in this manual or on the GDM 8200A series T Warning Identifies conditions or practices that could WARNING result in injury or loss of life Caution Identifies conditions or practices that could result in damage to the GDM 8200A series or to other CAUTION properties DANGER High Voltage Attention Refer to the Manual Protective Conductor Terminal Earth ground Terminal IF Gb t gt e GW INSTEK GDM 8200A Series User Manual Safety Guidelines General Guideline Make sure that the voltage input level does not exceed DC1000V AC750V A N CAUTION Make sure the current input level does not exceed 10A e Do not place any heavy object on the GDM 8200A series e Avoid severe impacts or rough handling that leads to damaging the GDM 8200A series e Do not discharge static electricity to the GDM 8200A series e Use only mating connectors not bare wires for the terminals e Do not block or obstruct the cooling fan vent opening Do not perform measurement at the source of low voltage installation or at building installations Note below Do not disassemble the GDM 8200A series unless you are qualified as service personnel Note EN 61010 1 2001 specifies the measurement categories and their requirements as follows The GDM 8200A series fall under category I or II e Measurement category IV is for measurement performed at the soutce of lo
43. an store and recall measurement history for up to 1000 counts as well as the instrument settings For storing and recalling measurement results using the Scanner see page71 STORE RECALL DCI ACI Store Measurement Record cccccecescececeeceees 67 Recall Measurement Record cccececceceececeeees 68 Save Instrument Settings wscissnasscssosenebaceaccamaesens 69 70 Recall Instrument Settings ecccesesesereees 66 GW INSTEK STORE RECALL Store Measurement Record Background The GDM 8200A series can store the measurement history which can be recalled later for observation and analysis as in Maximum Minimum and Average value Note Previously recorded measurements will be erased every time the store function is used or if power is reset Data count 1 9999 Not applicable to Store recall measurement history is not applicable to Diode Continuity test Store step 1 Press the Shift key followed by STORE the DCI Store key The store menu appears 3 Li i i E L I ILI IT l a 1 ED cay Li 2 Move the cursor using the Left Right key Change the data count using the Up Down key a x 3 Press the Enter key to confirm editing and to go back to the previous display ENTER DC AUTO S manar 3 2 LIL a s STO Indicates the measurement history is stored 67 GW INSTEK GDM 8200A Series User Manual Recall
44. annel range loop count and timer length All channels have a common measurement item Advanced In addition to the above Simple Scan setting allows custom setting for each channel such as measurement item range and rate Timer setting Sets the duration between each scan loop Scan operation or between each scanned channel Step operation Count setting Sets the number of scan operation loop Trigger setting Internal The GDM 8200A series keeps triggering Continuous continuously until the scan reach the end of loop count Then it goes into the idle mode External The GDM 8200A series stays in the idle Manual mode by default The trigger timing is manually controlled by the user from the front panel TRIG key Scan operation Scan Measures all specified channel range at each trigger event Timer setting page81 applies between each scan the whole channel range Step Measures a single channel in the specified range at each trigger event Timer setting page81 applies between each channel Monitor Selects just one channel and continuously measures it 80 GW INSTEK Setup Simple Scan Panel operation SCANNER OPTIONAL 1 Press the Shift key the 2P key MENU MENU the Left key The Scan gt ano 5 menu appears LEVEL gt l Leb LINI ALIUN 2 Press the Down key The Simple x Scan menu appears LEE LE Nee I L I MLI
45. arameter DCV 1 100mV 2 1V 3 10V 4 100V 5 1000V ACV 1 100mV 2 1V 3 10V 4 100V 5 750V AC DCV 1 100mV 2 1V 3 10V 4 100V 5 1000V DCA ACA AC DCA 1 10mA 2 100mA 3 1A 2WR 4WR 1 100Q 2 1kQ 3 10kQ 4 100kQ 5 1MQ 6 10MQ 7 100MQ DCA ACA AC DCA 10A range 1 one range Freq TempC TempF Diode Period Cont 1 one range conf2 auto Set 2 display to Auto range Parameter 0 disable auto range 1 enable auto range conf2 auto 108 Return 2 display Auto range status Parameter 0 disable auto range 1 enable auto range GW INSTEK FAQ AQ What is the Output key used for I pressed the EXIT key but cannot get out of Scanner mode e The GDM 8200A series performance does not match the specifications What is the Output key used for The Output key is used for turning the display output on ot off pressed the EXIT key but cannot get out of Scanner mode Press the EXIT key followed by the ACV Scan or DCV Step key The GDM 8200A series performance does not match the specifications Make sure the device is powered On for at least 30 minutes within 18 C 28 C This is necessary to stabilize the unit to match the specifications If there is still a problem please contact your local dealer or GWInstek at marketing goodwill com tw 109 GW INSTEK GDM 8200A Series User Manual A ppEN DIX System Info Firmw
46. are Version cacconincenuseyudedneboicasacsdvdetdoeieceneenets 110 Fuse Replace AC source T0865 ay ixisecpaansnnadinsenernnienacarins 112 Replacement Replace input current fuse ccceeeeeeseeeeeeeeeeees 113 Specifications General serores ienn iepr TEKENEN EEEn 114 Reading rates readings Sec o esesesereseseserereeee 114 DC Voltage Siccvns in derstonatraieennardnnaawiienataean 114 AC Voltige centre rie neared EA eae 115 DC CUrremt oeren a a a E e 116 AC COPE IE aorseiiiinie r E EEE EEE 117 BV R sistahnte eres seen touesrevueinananty nuke eae 118 AW RESISTANCE votesscsanicseanindavriuncesatioreaaeuiants 118 Diode Continuity cad sedncnieain ced Pianta conned iarutanee tenes 119 FrEgUENCY casita na cecmatisatmunsace ial EEE OESS 119 Temperat re suere radson a e 119 110 GW INSTEK APPENDIX Firmware Version Background Firmware version is available for viewing system information Firmware Shows the GDM 8200A series version firmware version number View firmware 1 Press the Shift key followed by MENL version the 2ND Menu key The 2 system menu appears LEVEL Ho Ter 2 Press the Down key followed by ar the Right key The firmware version menu appears LEVEL on ly tot V LIN 3 Press the Down key The firmware version appears y 200 I IAC TIE Pen A V LN tt LUNI 4 Press the Exit key to go back to O the default display 111 GW INSTEK GDM 8200A Series User
47. by RATE the AUTO RATE key The r refresh rate switches to the next 41 GW INSTEK GDM 8200A Series User Manual 2 The refresh rate indicator shows S M F S the current status Common attribute reading indicator Background The reading indicator next to the 1st display flashes according to the refresh rate when the captured data is updated on the display ILICI tle Li 0 IOs When no data is captured When there is no captured data the reading indicator flashes once every two seconds slower than the normal refresh rate indicating the DMM is in the waiting mode rel LIL Common attribute manual automatic triggering Automatic The GDM 8200A series triggers according to the refresh triggering rate See the previous page for refresh rate setting details default Manual Press the TRIG key to trigger triggering measurement manually 42 GW INSTEK ADVANCED MEASUREMENT dBm dB Measurement Applicable to NOT applicable to ACV DCV Background Using the ACV or DCV measurement result the GDM 8200A series calculates the dB or dBm value based on a reference resistance value in the following way dBm 10 x logio 1000 x Vreading Rref dB dBm dBmref Parameters Vreading Input Voltage ACV or DCV Vref Reference voltage obtained by Rref 1mW Rref Reference resistance simulating an output load dBmref Reference dBm value Meas
48. ckground Compare measurement checks and updates if the measurement data stays between the upper high and lower low limit specified 1 Activate Press the Shift key then the COMP Compare HOLD Comp key lt 100 measurement 2 High limit Pr Et El setting ry wiy ITIITI IHOA lst display Shows the high limit value 2nd display Indicates high limit setting 1 Use the Left Right key to move the cursor flashing point between high low setting digits and decimal point 2 Change the parameter using a x the Up Down key 3 Press the ENTER key to confirm editing and move to the low limit setting ENTER 3 Low limit setting 92 I TA E A Salis LIA inanan Lu LILILILILI lst display Shows the low limit value 2nd display Indicates low limit setting GW INSTEK DIGITAL I O Set the low limit in the same way as in the high limit Press the ENTER key to confirm editing ENTER The compare measurement starts right away 4 Compare DC AUTO S BPN l measurement MOTI l I Iid appears l oa oa y LILIL tll COMP COMP Indicates Compare mode 2 d display Shows the compare measurement result Pass High or Low 5 Result High If the 2 display IJ CIl shows High the 1 1 LI result is above the High limit Digital I O FAIL Out Pin 6 and HIGH Limit FAIL Out Pin 7 are activated Low If the 2 display 111 shows Low t
49. control syst rem Enables remote control and disables front panel control IEEE 488 2 common command cls Clears event status register Output Queue Operation Event Status Questionable Event Status Standard Event Status ese Returns ESER Event Status Enable Register contents Example 130 means ESER 10000010 105 GW INSTEK GDM 8200A Series User Manual ese lt 0 255 gt Sets ESER contents Example ese 65 sets ESER to 01000001 esr Returns and clears SESR Standard Event Status Register Example 198 means SESR 11000110 idn Returns company name model No and system version Example GW GDM8255A 1 0 ope 1 is placed in the output queue when all the pending operations are completed opc Sets operation complete bit bit0 in SERS Standard Event Status Register when all pending operations are completed psc Returns power On clear status Parameter 0 cleared 1 not cleared psc Clears power On status Parameter 0 clear 1 don t clear rst Recalls default panel setup reset the device srep Returns SRER Service Request Enable Register contents Example 3 means SRER 00000011 sre lt 0 255 gt Sets SRER contents Example SRE 7 SRER 00000111 stb Returns SBR Status Byte Register contents Example 81 means SBR 01010001 trg Manually triggers the GDM 8200A series ROUTe command rout clos Close specified scanner channel Para
50. crew terminal 120 GW INSTEK APPENDIX EC Declaration of Conformity We GOOD WILL INSTRUMENT CO LTD 1 No 7 1 Jhongsing Rd Tucheng Dist New Taipei City Taiwan 2 No 69 Lu San Road Suzhou City Xin Qu Jiangsu Sheng China declare that the below mentioned product Type of Product Digital Multimeter Model Number GDM 8255A GDM 8251A are herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Law of Member States relating to Electromagnetic Compatibility 2004 108 EC and Low Voltage Directive 2006 95 EC For the evaluation regarding the Electromagnetic Compatibility and Low Voltage Directive the following standards were applied EMC EN 61326 1 Electrical equipment for measurement control and laboratory use EMC requirements 2006 Conducted amp Radiated Emission EN 55011 2007 A2 2007 Class B Electrostatic Discharge IEC 61000 4 2 2008 Current Harmonics EN 61000 3 2 2006 A1 2009 A2 2009 Voltage Fluctuations Electrical Fast Transients EN 61000 3 3 2008 IEC 61000 4 4 2004 Surge Immunity IEC 61000 4 5 2005 Conducted Susceptibility IEC 61000 4 6 2008 Power Frequency Magnetic Field IEC 61000 4 8 2009 Voltage Dip Interruption IEC 61000 4 11 2004 Radiated Immunity IEC 61000 4 3 2006 A1 2007 Low Voltage Equipment Directive 2006 95 EC Safety Requirements EN 61010 1 2010 121
51. d on the other measurement results Math type MX B Multiplies the reading X by the factor M and adds subtracts offset B 1 X Divides the reading X by 1 which provides the inverse number Percentage Runs the following equation eadingX Reference 2 x 100 Reference Measure MX B 1 Activate MX B Press the Shift key followed by the MATH 2 4W Math key The MX B 2 setting appears 2 Set the factor M 52 Mv a Innnonn este LILI LIL lst display Shows the factor M 2nd display Indicates MX B The letter M flashes 1 Use the Left Right key to move the cursor flashing point between the factor digits and decimal point My LT BININ BEHIN ia RL _ GW INSTEK ADVANCED MEASUREMENT 2 Change the parameter using the a x Up Down key 3 Press the ENTER key to confirm editing and move to offset setting ENTER 3 Set the offset Mv eo B m T JIA T I ITITI OALA Y lst display Shows the offset B 2nd display Indicates MX B The letter B flashes 1 Use the Left Right key to move the cursor flashing point between the offset digits and decimal point 2 Change the parameter using the a x Up Down key 3 Press the ENTER key to E AUTO confirm the editing The MX B measurement result appears ENTER 4 View MX B DC AUTO S Mv to imma 1c es LO to Ia it lst display Shows the calculated resul
52. ect the test lead between the V V and the COM port The display updates the reading COM Frequency range 10Hz 800kHz Sensitivity 10Hz 100kHz gt 0 1V 100kHz 600kHz gt 1 0V 600kHz 800kHz gt 2 5V Period Range AC Current Sensitivity 1 25us 0 1s Sensitivity 1 25us 1 666us gt 2 5V 1 666us 10us gt 1 0V 10us 0 18 gt 0 1V Frequency Input level Sensitivity level 1OHz 10kHz 10mA 100mA gt 7mA rms 45Hz 10kHz 1A 10A gt 3mA rms 36 GW INSTEK BASIC MEASUREMENT Temperature Measurement Background The GDM 8200A series accepts thermocouple input and calculates the temperature from the voltage fluctuation Thermocouple type and reference junction temperature are also being considered 1 Activate For Celsius units C press the temperature TEMP key once measurement For Fahrenheit F unit press the TEMP key twice 2 Temperature S T in mode display c III i L appears LIL x C F Indicates Temperature measurement TYPE J 2 display shows the thermocouple type 3 Connect the Connect the thermocouple lead V test lead and measure between the V and the COM port The display updates the reading COM Range 0 300 C 37 GW INSTEK GDM 8200A Series User Manual Select thermocouple type Background The GDM 8200A series assumes that a certain type of thermocouple which reads voltage f
53. eeeeeeeeees 118 RS 232C configuration cccseeeeeeees 97 V S voltage front panel key wees eeeees 13 safety instruction scanner configuration c0c00ceee 73 TUBE oessisecedetialiastacdadsneihatactesulasstbsnecdaeeecs 7 SOCtING ooo ccececsscccessseeeesssteeeeesseeeeseaaes 24 power SUPPLY cece ccccceesesssseceeeeeeeenes 6 specifications cccessecececeeeesenseeeees 115 SVUMDOL E AA E 5 Save instrument settings ccceeees 69 wW Save measurements cccccceceesesssteeeeees 67 waveforms voltage comparison 26 scan operation 123
54. ent MATH Indicates Math operation Dual Display Measurement Background You can use the 2nd display to show another item thus viewing two different measurement results at once The following table shows the available options 15t Display 2 4 Display ACV DCV ACI DCI Hz P ACV e e e e DCV o e e e e ACV DCV ACI e e e o DCI e e e e e ACI DCl 55 GW INSTEK GDM 8200A Series User Manual 2W see Note e e Hz P i TEMP gt F n p Note In the dual display mode the resistance needs to be larger than 1M Q Some combination of dual display mode is possible but may not be useful and their accuracies are not guaranteed 2 4 Measurement item setting Press the 2nd key then the target axo item example ACV The display updates the measurement result example ACI ACV AC AUTO S a i Mannan i O U IE ty 44 8 1 Display Shows the primary measurement result 2 4 Display Shows the secondary measurement result 2ND Indicates that dual measurement is active Turn Off 2 4 Measurement To turn Off the 2 measurement 2ND press and hold the 2 key for more than 1 second 56 GW INSTEK SYSTEM DISPLAY CONFIGURATION System DisrLay CONFIGURATION RATE FILTER MENU AUTO MX MN Refresh Rate Refresh Rate Setting scsecsspssier
55. fault Measurement keys Upper row SHIFT EXIT GRIET CAR As the Shift key selects the second functionality assigned to each front panel key When pressed the SHIFT indicator appears in the display As the Exit key gets out of the parameter configuration mode and goes back to the measurement result display mode ACV ACV Measures AC Voltage page24 SHIFT ACV SCAN Starts the optional scan measurement SCAN O o page80 DCV DCV Measures DC Voltage page24 13 GW INSTEK GDM 8200A Series User Manual SHIFT DCV STEP Starts the step measurement page80 STEP o using the optional scanner ACV DCV a When the ACV key and the DCV key are pressed together they measure AC DC Voltage page24 ACI ACI Measures AC Current page28 SHIFT ACI RECALL Recalls a normal measurement result RECALL O page68 or a scan measurement result page88 DCI DCI Measures DC Current page28 SHIFT DCI STORE Stores a measurement result STORE O page67 ACI DCI ACI When the ACI key and the DCI key are pressed together they measure AC DC Current page28 2 4W Measures 2 wire or 4 wire Resistance Resistance page30 SHIFT 2 4W MATH Enters the Math measurement mode MATH 2 page52 gt e Diode Tests Diode page32 or Continuity Continuity page33 SHIFT gt en dBm Measures dBm page43 on E Hz P Frequency Measures
56. ference value Manually set the reference value 46 1 To set the reference PEL value manually press reL the Shift key followed by the REL key The setting appears E i ILJI ALL Ut ilk REL Indicates Relative measurement 1st display Shows the reference value 2nd Indicates Relative value modification display GW INSTEK ADVANCED MEASUREMENT 2 Use the Left Right key to move the flashing point cursor and use a v the Up Down key to change the value 3 Press the Enter key to confirm the value or the Exit key to cancel ENTER confirm The display switches to cancel Deactivate Relative measurement measurement To cancel the Relative REL measurement press the REL REL key again or simply activate another measurement 4 GW INSTEK GDM 8200A Series User Manual Hold Measurement mike OO 8 amp Background Hold measurement retains the current measurement data and updates it only when the reading fluctuates more than the threshold setting as the percentage of the retained data 1 Activate Press the HOLD key Hold measurement 2 Hold DC AUTO SHOLD TITI ee ae measurement E J B E LILI L T LO 30 appears im m amen HOLD Indicates Hold measurement 2nd display Shows the Hold threshold lst display The measurement data which is updated only when it fluctuates more than the threshold
57. fi rm Press Enter to confirm the save slot Selection ENTER measurement screen Press the Shift key to return to the C The current instrument settings have been saved To enable the settings at power up follow the instructions in the next section 69 GW INSTEK GDM 8200A Series User Manual Recall Instrument Settings Background The Recall function to enables saved settings to be recalled at power up Set Instrument Press the Shift key then the 2ND MENU Setting Menu key Down and Left once The Recall menu appears mie titer ttl MLLIILL Press the Down key to enter the v Recall menu Confi rm Press Enter to confirm the memory AyTO Selection slot Memory Slot Choose the memory slot to recall ee Cw Selection from by using the Up Down Left and Right keys ENTER Press the Shift key to return to the measurement screen When the instrument is reset or upon the next power up the recalled settings will be enabled 70 GW INSTEK SCANNER OPTIONAL Scan NER OPTIONAL The optional scanner GDM SC1 lets you effectively measure multiple channels connected to a single GDM 8255A Series DMM SCAN STEP Installation GDM SC1 Scanner Specifications cceeeees 72 Configure scanner essseessesseesssesrseerererererereeeeerererreeee 72 Select Channel group and enable scanner 74 Connect WING c2catscccsictrancasadnorteiausoossseanas
58. g the indicator flashes according to the external signal trigger timing Exit external Press the Shift key followed by the INT EXT trigger TRIG key The EXT indicator aer disappears and the trigger goes back to internal mode 94 GW INSTEK REMOTE CONTROL REMOTE CONTROL Interface Command Syntax Command Set OVERVIEW irie o n raen aE RE OORE KORENE 96 Configure USB interface ssesesesesesesssesesesesesesesesese 96 Configure RS 232C interface esesesesesesesesesesesesese 97 Command SyntaX essre rieskaa 99 CONFigure command sssssssesssssssesssesssssssessssssse 100 SENSe command seca tsstesnhiniacamnindccsoaphineanassescaadinds 101 UNIT command css cenonasscaacracsanionassexieancieniansasaaicss 102 TRIGger command sna seicsenaseiecveacernsasarmaroraseaans 104 SYStem related command sssssesssesssesssesssessssssse 105 STAtus reporting command ssssssssssssssssssessssssss 105 RS 232C interface command ssssssssssssssssssssssssss 105 IEEE 488 2 common command 105 ROUTe command sonuerienieneiaeeuresucs 106 CONFigure2 command sssesssesssesssesssssssessssssse 107 95 GW INSTEK GDM 8200A Series User Manual Configure Interface Overview Interface type USB Device USB 1 1 or 2 0 TypeA female connector RS 232C D sub 9 pin male connector Baud rate 115200 57600 38400 19200 9600 Return to Local In order to switch back to the 2ND control mode Configure USB
59. he JIJINI result is below the Low limit Digital I O FAIL Out Pin 6 and LOW Limit FAIL Out Pin 8 are activated Pass If the 2 display 1 O C C shows Pass the _ _ result is staying between the High and the Low limit Digital I O PASS Out Pin 5 is activated Deactivate To cancel the Compare COMP Compare measurement measurement press the Shift O aro key followed by the HOLD Comp key or simply activate another measurement 93 GW INSTEK GDM 8200A Series User Manual Application External trigger Background The GDM 8200A series uses the internal trigger by default for example to count the frequency and the period Using an external trigger allows customized triggering condition Signal Connect the external trigger signal to the Digital I O connection port located on the rear panel HIGH Limit FAIL Out m LOW Limit FAIL Out FAIL Out 6 7 8 9 EOM Out 0000 o0o00o000 VCC Out 1 2 3 4 5 PASS Out Nc External Trigger In Digital Chassis Ground Pin4 External Trigger Input pin 1 Activate Press the Shift key followed by the INT XT external trigger TRIG key The EXT indicator raer appears on the display LII LII reel ICAI EXT 2 Start trigger Press the TRIG key to start triggering manually The indicator turns On AUTO S pipigil LILILILILt lg Reading indicator The reading indicator stays On before triggering After triggerin
60. he Shift key followed by the Hz P key or simply activate another measurement GW INSTEK ADVANCED MEASUREMENT Max Min Measurement rico DO 8 O Background Maximum and Minimum measurement stores the highest maximum or lowest minimum reading and shows it on the 2nd display 1 Activate For Max measurement press the Max Min MX MN key once For Min measurement press the MX MN key twice 2 Max Min pe auto s MIN my Pair ir result Nn EL i dak 4 ere MICA Lt ttt MIN MAX Indicates Min Max measurement 0 11516 2nd display shows the Min Max measurement result Deactivate To cancel the Max Min measurement Max Min press the MX MN key for 2 seconds or measurement simply activate another measurement 45 GW INSTEK GDM 8200A Series User Manual Relative Value Measurement Applicable to aea Background Relative measurement stores a value typically the data at the moment as the reference The following measurement is shown as the delta between the reference 1 Activate Press the REL key The REL Relative measurement reading at the measurement moment becomes the reference value 2 Relative AC S REL i IC IL l measurement manmanm IIL tl lt imvy i n m v nage WL IEC ots appears REL Indicates Relative value measurement 2nd Shows the reference value display Ist Shows the delta between the current measurement display data and the re
61. ic The GDM 8200A series triggers according to the refresh triggering rate See the previous page for refresh rate setting details default Manual Press the TRIG key to trigger triggering measurement manually 23 GW INSTEK GDM 8200A Series User Manual AC DC AC DC Voltage Measurement Voltage type AC 0 750V DC 0 1000V AC DC 0 1000V 2 2 AC DC a AC DC AC true RMS 1 Activate ACV DCV Press the ACV AC Voltage key ot DCV DC Voltage key or 2 ACV DCV mode display appears For AC DC Voltage press the ACV a key and the DCV key together ACDC AUTO S LI Pitre LI ULL papap Pitt Vs Lt vil q L AC DC V Indicates AC DC AC DC Voltage AUTO Indicates Automatic range selection 100mV 2nd display shows the Voltage range 3 Connect the test lead and measure Connect the test lead between the V V and the COM port The display updates the reading N Note When measuring in1000V maximum range immediately followed by 100mV minimum range an error might occur due to extreme range switching In such case take at least one minute in between as an interval 24 GW INSTEK BASIC MEASUREMENT Select Voltage range Auto range To turn the automatic range selection On Off press the AUTO key Manual range Press the Up or the Down key to select a v the range AUTO indicator turns Off automatically If the appropriate range is unkno
62. ing the a v Up Down key 3 Press the ENTER key to confirm editing The compare measurement starts right away ENTER 4 Compare measurement appears DC AUTO S I I in mod Mt E oe OOL 1J lx coe COMP Indicates Compare mode 2 d display Shows the compare measurement result Pass High or Low 50 GW INSTEK ADVANCED MEASUREMENT 5 Result High If the 2 display l shows High the result LI is above the High limit Digital I O FAIL Out Pin 6 and HIGH Limit FAIL Out Pin 7 are activated Low If the 2 display 1 Tl shows Low the result _ JM is below the Low limit Digital I O FAIL Out Pin 6 and LOW Limit FAIL Out Pin 8 are activated Pass If the 2 display CI I B C shows Pass the result _ _ is staying between the High and the Low limit Digital I O PASS Out Pin 5 is activated Digital I O The Compare measurement result comes out from the reat panel Digital I O l Ae terminal For the terminal details see N aot 0 a GA page 0 2 o KO A Deactivate To cancel the Compare COMP Compare measurement measurement press the Shift C i010 key followed by the HOLD Comp key or simply activate another measurement 51 GW INSTEK GDM 8200A Series User Manual Math Measurement Background Math measurement runs three types of mathematical operation MX B 1 X and percentage base
63. luctuation induced by temperature changes is used to measure the temperature Parameter Type Range Resolution K 0 300 C 0 01 C T 0 300 C 0 01 C J 0 300 C 0 01 C 1 Open sensor selection menu Press the Shift key then the TEMP Sensor key The sensor selection menu appears on the display 2 Select sensor type Press the Right key to highlight the thermocouple type Press the Up Down key The thermocouple type switches to the next one rac gt a fl J les ve l 3 Confirm and go back to the default display Press the Enter key to confirm the sensor type The display will then automatically switch to the reference ENTER junction temperature setting Please refer to Page 39 for related Set Reference information If you don t need to set Junction Setting the reference junction temperature O er al the default display Cancel setting the sensor type Press the Exit key to abort setting the sensor type and go back to the default display just press the Exit key to go back to op cancel 38 GW INSTEK BASIC MEASUREMENT Set reference junction temperature Background When a thermocouple is connected to the GDM 8200A series the temperature difference between the thermocouple lead and the GDM 8200A series input terminal should be taken into account and be cancelled otherwise an erroneous temperature might be added Type Range Resolution SIM
64. mA 2 100mA 3 1A 2WR 4WR 1 100 2 1kQ 3 10kQ 4 100kQ 5 IMQ 6 10MQ 7 100M Q DCA ACA AC DCA 10A range 1 one range Freq TempC TempF Diode Period Cont 1 one range conf auto Set 1 display to Auto range Parameter 0 disable auto range 1 enable auto range conf auto Return 1 display Auto range status Parameter 0 disable auto range 1 enable auto range SENSe command sens det rate Sets detection rate Parameter s slow m medium f fast Example sens det rate_s set detection rate to Slow sens det rate Returns detection rate Parameter Slow Mid Fast sens temp tco type Sets thermocouple type Parameter j type J k type K t type T Example sens temp tco type_j set thermocouple type to J sens temp tco type Returns thermocouple type Parameter type J K type K T type T sens temp rjun sim Set temperature simulation value Parameter NR2 Example sens temp rjun sim_23 sens temp rjun sim Returns temperature simulation value 101 GW INSTEK sens aver tcon GDM 8200A Series User Manual Selects digital filter type Parameter mov moving rep repeating Example sens aver tcon_mov moving digital filter sens aver tcon Returns digital filter type Parameter MOV moving REP repeating sens aver coun Sets digital filter count Parameter 2 100 Example sens aver coun_100 filter count
65. max Example conf curr ac_10e 2 ACI 100mA range Example conf curr ac_min ACI minimum range conf curr dcac Sets measurement to DC AC Current and specifies range Parameter NR2 min max Example conf curr dcac_10 DC ACI 10A range Example conf curr dcac_min DC ACI minimum range conf res Sets measurement to 2W Resistance and specifies range Parameter NR2 min max Example conf res_10e3 2W R 10K range Example conf res_min 2W R minimum range conf fres Sets measurement to 4W Resistance and specifies range Parameter NR2 min max Example conf fres_10e3 4W R 10K range Example conf fres_min 4W R minimum range conf freq Sets measurement to Frequency and specifies range 100 GW INSTEK REMOTE CONTROL conf per Sets measurement to Period and specifies range conf cont Sets measurement to Continuity conf diod Sets measurement to Diode conf temp Sets measurement to Temperature conf stat func Returns function of 1 display Parameter 1 DCV 2 ACV 3 DCA 10A 4 ACA 10A 5 DCA mA 6 ACA mA 7 2WR 8 Freq 9 TempC 10 AC DCA 10A 11 AC DCV 12 AC DCA mA 13 Diode 14 Period 15 TempF 16 4WR 17 Cont conf stat rang Returns range of 1 display Parameter DCV 1 100mV 2 1V 3 10V 4 100V 5 1000V ACV 1 100mV 2 1V 3 10V 4 100V 5 750V AC DCV 1 100mV 2 1V 3 10V 4 100V 5 1000V DCmA ACmA ACmA DCmA 1 10
66. meter NR1 min max Example rout clos_102 close channel102 rout open all Opens all scanner channels rout mult open Enable all channels in specified range Parameter beginning channel end channel Example rout mult open 105 110 105 to 110 enabled others disabled rout mult clos Disable all channels in specified range Parameter beginning channel end channel Example rout mult clos 105 110 105 to 110 disabled others enabled rout mult stat Returns scanner box all channel status Parameter 101 ON 102 OFF 201 ON 202 OFF 106 GW INSTEK REMOTE CONTROL rout chan Configure channel in advanced mode Parameter Channel Function Range Auto Range Example rout chan 101 1 2 0 Channel 101 Function 1 DCV Range 2 DCV 1V Disable Auto Range rout chan Return channel configurations in advanced mode Parameter Channel Function Range Auto Range Example 101 1 2 0 Channel 101 Function 1 DCV Range 2 DCV 1V Disable Auto Range rout del Set delay timer for scan Parameter 0 to 9999 ms rout del Return delay timer setting for scan Parameter 0 to 9999 ms rout coun Set number of count for scan Parameter 1 to 999 rout coun Return number of count for scan Parameter 1 to 999 rout func Enable scan related functions Parameter 0 scan off 1 monitor 2 step 3 scan 4 advance rout func Return scan related function status Pa
67. more than 3 0 it usually indicates abnormal waveform as seen from the below table Waveform Shape Crest factor Square wave 1 0 Sine wave Av 1 414 Triangle 1 732 sawtooth Mixed 1 414 2 0 frequencies ey SCR output 1 414 3 0 100 10 White noise KAN 3 0 4 0 AC Coupled ST 3 0 pulse train Spike gt 9 0 T 27 GW INSTEK GDM 8200A Series User Manual AC DC AC DC Current Measurement Current type AC 0 10A DC 0 10A AC DC 0 10A 2 2 AC DC a AC DC AC true RMS 1 Activate ACI DCI Press the ACI AC Current key or the DCI DC Current key or For AC DC Current press the ACI key and the DCI key together 2 ACI DCI mode display appears ACDC AUTO S TEE ILT mMmrmon O taot cq Lo AC DC A Indicates AC DC AC DC Current Note AC true RMS AUTO Indicates Automatic range selection 10A 2nd display shows the Current range 3 Connect the Connect the test lead ee MAX test lead and between the A and COM 2A measure port or LO to COM port depending on the current LO For current lt 2A use the LO port For current up to COM 10A use the A port The display updates the reading 2A GDM 8255A 1 2A A GDM 8251A 28 GW INSTEK BASIC MEASUREMENT Select Current range Auto range To turn the automatic range selection On Off press the AUTO key Manual range Press the Up or the Down key to select a v
68. onditions ccccceeeee 109 period k front panel key 14 table of contents sssssssssssssessssesesisseeeeeeee 3 scanner configuration 73 Setn E aniisi siia ris sti nsir RoE NSE 36 temperature power supply safety instruction 6 front panel key soaeeseeeencennecanecanscsnseeeass 15 scanner configuration ccc0ccee 73 R SONG A E A EE 37 specifications ccsessececececeesenseeees 119 Recall instrument settings 008 70 thermocouple Recall measureMents cc ccccccccceccccceeceee 68 command Set ecceesesseeeceeeeeeeseees 101 front panel key cccceceececeesseeeeeees 15 refresh ratere ioei 22 Setting oiner 38 COMMANA SEt eceesscceesesseeeeessteeeeeeaes 101 specifications 0 00 eececceeesseeeeeesteeeeeees 119 front panel Key ssseeeesseseesees 15 tilt Stas susscsssesccassevsiessossoeenuscovsesseaveeveens 19 relative value trigger command SEt eeeesscceceesseceeeetteeeeeeaes 103 dela sesdeic tease cecdedeiscsnsieisdisiedesccaageseciaa 60 front panel key cceceeeeseseeeeeeeeees 15 aera 46 external esirinda insanis 59 AEREN IAA seuss fant panel A seeeaenosaccte 15 resistance command SEt saccis 101 U front panel ke y nssssssesesressssesererres 14 scanner configuration ccccceeeees 73 United Kingdom power cord 8 setting PEI OAE A 30 USB configuration ccseccssssseeseseseeeeeeee 96 SPECIFICATIONS ccccceceessssec
69. pe A female connector i For remote control details see page96 CAL key port CAL KEY Reserved for internal uses as in firmware update and calibration l 17 GW INSTEK Digital I O port GDM 8200A Series User Manual DIGITAL I O Accepts a digital I O cable for the O OJ Hi Lo limit test DB 9 pin female connector For digital I O details see page91 Optional slot x2 Accepts up to two optional scanner modules 16 18 channels are available per scanner When two modules are used maximum 32 channels are available For scanner details see page71 GW INSTEK GETTING STARTED Set Up Tilt Stand Pull out the handle sideways and rotate it Tilt stand steps Place the unit horizontally Or in the tilt stand position Place the handle vertically for hand carry 19 GW INSTEK Power Up Power up steps 1 sae 20 GDM 8200A Series User Manual Connect the power cord to the AC Voltage input Make sure the ground connector of the power cord is connected to a safety ground This will affect the measutement accuracy Push to turn On the prs main power switch on st the front panel The display shows the model name and the version for a few seconds Example GDM 8255A V2 10 ri IT ca om om oa LIL ttt Then
70. rameter 0 scan off 1 monitor 2 step 3 scan Secondary display CONFigure2 command conf2 volt dc Configure 2 display to DC Voltage Parameter NR2 min max Example conf2 volt dc_1 DC Voltage 1V range conf2 volt ac Configure 2 display to AC Voltage Parameter NR2 min max Example conf2 volt ac_1 AC Voltage 1V range conf2 curr dc Configure 2 display to DC Current Parameter NR2 min max Example conf2 curr dc_10e 3 DC Current 10mA range conf2 curr ac Configure 2 display to AC Current Parameter NR2 min max Example conf2 curr ac_10e 3 AC Current 10mA range conf2 res Configure 2 display to 2W Resistance Parameter NR2 min max Example conf2 res_10e2 2W Resistance 1kQ range conf2 fres Configure 2 display to 4W Resistance Parameter NR2 min max Example conf2 fres_10e2 Resistance 1kQ range 107 GW INSTEK GDM 8200A Series User Manual conf2 freq Configure 2 display to Frequency conf2 per Configure 2 4 display to Period conf2 temp Configure 2 display to Temperature conf2 off Turn off the dual display mode 2 display is off conf2 stat func Returns function of 2 display Parameter 1 DCV 2 ACV 3 DCA 10A 4 ACA 10A 5 DCA mA 6 ACA mA 7 2WR 8 Freq 9 TempC 10 AC DCA 10A 11 AC DCV 12 AC DCA mA 13 Diode 14 Period 15 TempF 16 4WR 17 Cont conf2 stat rang Returns range of 2 display P
71. red calc aver aver Returns average value stored calc aver coun Returns number of data count calc rel ref Sets reference value in Relative value measurement Parameter NR2 min max Example calc rel ref_1 0 reference value set to 1 0 calc rel ref Returns reference value in Relative value measurement Parameter NR2 min max calc db ref Sets reference value in dB measurement Parameter NR2 min max Example calc db ref_1 0 reference value set to 1 0 calc db ref Returns reference value in dB measurement Parameter NR2 min max calc dbm ref Sets reference value in dBm measurement Parameter NR2 min max Example calc db ref_1 0 reference value set to 1 0 calc dbm ref Returns reference value in dBm measurement Parameter NR2 min max calc lim low Sets lower limit value in Compare measurement Parameter NR2 min max Example calc lim low_1 0 lower limit set to 1 0 calc lim low Returns lower limit value in Compare measurement Parameter NR2 min max calc lim upp Sets upper limit value in Compare measurement Parameter NR2 min max Example calc lim low_1 0 upper limit set to 1 0 calc lim upp Returns upper limit value in Compare measurement Parameter NR2 min max calc math mmf Sets factor M in Math measurement Parameter NR2 Example calc math mmf_1 03 Math factor set to 1 03 calc math mmf Returns f
72. rightness of the display reading Use level 3 or more brighter when working indoor use level 2 or 1 darker when working outdoor under the sun Level 5 brightest 1 darkest default Level 3 Panel operation 1 Press the Shift key followed by MENL the 2ND Menu key The ee system menu appears liv i Fenr e Lovi IIL AI AILISI 2 Press the Down key then the Right key twice The light menu appears T gt TRIG gt on s tl l I 1 TLtT LEIEL Lin 3 Press the Down key The light v level setting appears IE VL I ICUT J LEVEL Lrg J lst display Shows the current display light level 4 Select the level using the Up Down key a x 5 Press the Enter key to confirm auro your selection Press the Exit key to go back to the default ENTER display 64 GW INSTEK SYSTEM DISPLAY CONFIGURATION Display on off setting key lock Background The display can be turned off when not used for a long time Note that when this function is used the panel keys ate also locked except for the Output On Off key The display is turned on by default Panel operation 1 Press the Output On Off key OUTPUT once The display will be turned off and the panel keys become ONOFF locked 2 To enable the display and panel keys press the Output On Off key again 65 GW INSTEK GDM 8200A Series User Manual Store RECALL The GDM 8200A Series c
73. seceesteeeeeenees 7 environment operatio w scsssed ccasssvadgccasts ceaisavacaasadesceeaes 7 specifications ccccccccceeeesssseceeeeeees 114 SUOLAG SPEO EE E E eteatees E 7 F FAQ sitscctasiesectintiecaiieeadcaneliccaiavvnccaandes 109 firmware VEYLSION cccccceeeeneeeeseeeeees 111 command SEt cesessessececeeeeeeeestaeees 105 frequency command Sel uenianerenenennni 105 front panel Key cccsscccceesseeeeesees 14 scanner configuration s s sessss 73 SOTA eE E EAA E E 36 specifications ccccceccceceesssseeeeeeeees 119 fuse AC fuse replacement c008 112 current fuse replacement 113 safety instruction s esssrrsssssrririisrrsiisre 7 G getting started chapter cccccceessseees 9 I WAGICALON sirain eenaa aa aaeei 23 K key lock eccerre a 65 M main feature list ccccceccceeeeeeeseeeees 11 math GW INSTEK INDEX command set cscssececccececeesssseeeeeees 103 front panel key cccccceccceeeeeesseeeees 13 front panel Key cccccccecessseeeeeneees 14 step OPCVAtION ccccccccessceeeesteeeeeeees 87 SOU G A stbsnocescsassddevissvecsteizeses 52 scanner monitor channel ss dibeistsssecssaanmeninnaras 88 COMMANA ETS 106 get out of scanner mode 065 109 O cal series LINCUP cccceccccceceesessceeeeeeseeenees 10 output key faq rsrsrsrs 109 service Contact 0 ceecceceeeseeserteceeeeseeseees 109 P specification c
74. ssnsssmieiasiasananeaiaucens 58 Trigger Manual Automatic triggering ssesesesesesesesesesesesese 59 Use external trigger sssessssssssssessss 59 Set trigger delay sssssssssssessseeseeereeererereerereeereeerreeee 60 Digital Filter Overview essssssssssessesesrssssesesrerisesssssresretecessesssssssrtee 62 Filter setting soaass ety er wiatauenn a E E 63 Display Display Setting ssesimecssenioacsetsraderienaeranmuerinsenraetens 64 Display on off setting key lock eee 65 57 GW INSTEK GDM 8200A Series User Manual Refresh Rate Setting Background Refresh rate defines how frequently the GDM 8200A series captures and updates the measurement data Faster refresh rate yields lower accuracy and resolution Slower refresh rate yields higher accuracy and resolution Consider the trade off when selecting the refresh rate Display Range DC AUTO S muanga L LI S 5 1 2 digits M 4 2 digits F 3 1 2 digits Refresh rate Press the Shift key followed by the RATE selection AUTO key The refresh rate auro indicator switches to the next rate setting S M F S 58 GW INSTEK SYSTEM DISPLAY CONFIGURATION Trigger Setting Manual Automatic triggering Automatic triggering default The GDM 8200A series triggers according to the refresh rate See the previous page for refresh rate setting details Manual triggering Press the TRIG key to trigger measurement manually Use
75. t 2nd display Indicates MX B MATH Indicates Math operation GW INSTEK GDM 8200A Series User Manual Measure 1 X 1 Activate 1 X Press the Shift key the 2 4W Math MATH key the Down key twice The 1 X o we setting appears 62 64 Phe dee ee kii PINE LOY tb 2 View 1 X Press the ENTER key to view the 1 X measurement result ENTER AC AUTO S aes eae a i iN LJ LILII L L OUO Oie iil lst display Shows the 1 X value 2nd display Indicates 1 X MATH Indicates Math operation Measure Percentage 1 Activate Press the Shift key the 2 4W Math MANR Percentage key the Up key The Reference 2aw setting appears The Percentage is calculated as a Reading Reference Reference x 100 2 Set the L L L I r reference number p4 p p V7 Ma PUP rere T T ULI LILI lst display Shows the reference number 2nd display Indicates Percentage setting 54 GW INSTEK ADVANCED MEASUREMENT 1 Use the Left Right key to move the cursor flashing point between high low setting digits and decimal point ou im l N m lt a Lal Em 2 Change the parameter using the a v Up Down key 3 Press the ENTER key to confirm editing ENTER 3 View Percentage ac AUTO S ry ILS I od OOC ty MATH lst display Shows the calculated result 2nd display Indicates the Percentage measurem
76. tategnortensgaent s 75 Insert Scanner scccoupesdcnauesnieiaeasesteereeisoneetnnrensarenens 77 Scanner Configuration Record ssssssesssesesrsrerereen 79 Setup OVerVieWoeronieter isiti iaaa a sikak 80 Setup Simple Scan cccccececececececceeenessseeceeeeeees 81 Setup Advanced Scan secicecntisctiandariaerbieacsicedaxiiens 83 Use external trigger esseere 85 Run OVEN IEW roseis aieri AES aE n EEE Ei 87 R n Scan Step eserine rioni 87 Recall Scan Step result ccnaccewmanassnaienniipmnnseinaasy 88 Setup and run MOnItOring ssssssssssesesrsrsesrrrrrerrrreeee 88 GW INSTEK GDM 8200A Series User Manual GDM SC1 Scanner Specifications 2 wire channel 16 pairs Maximum current 2A ch17 ch18 4 wire channel 8 pairs Resistance 2 4 wite Single wire channel N A Cold junction N A internal Maximum voltage 250V Connection Screw terminal Scanner Installation Configure scanner Open Scanner 1 Take off four screws from the bottom panel of the cover scanner CH DN a 2 Remove the top panel 72 GW INSTEK SCANNER OPTIONAL 3 The connection terminals appear CARD INPUT LO CARD INPUT HI CARD SENSE LO CARD SENSE HI F CH10 CH11 CH12 CH13 CH14 CH15 CH16 D A aed ie CH2 CH3 CH4 CH5 CH6 CH7 C
77. ternal trigger eesesesesesesererrrrerreren 94 DIGITAL I O GW INSTEK Digital I O Terminal Configuration Background The digital I O terminal outputs the result of Compare measurement to control external devices By providing separate VCC for the terminal the outputs can also be used as power source for TTL and CMOS logics Pin assignment DIGITAL 1 O HIGH Limit FAIL Out j LOW Limit FAIL Out FAIL Out 6 7 8 9 EOM Out ooo0oo0oo0 VCC Out 1 2 3 4 5 PASS Out Nc _ External Trigger In Digital Chassis Ground Connector type DB 9 female Pinl VCC output 5V Serves as the power source for the external device logic Pin2 NC No Connection Pin3 COM ground Pin4 External Trigger Input Accepts external trigger signal For using external signals see page86 Scanner or page59 Configuration Pins PASS signal Output Activates when the compare result is PASS Pin6 FAIL signal Output Activates when the compare result is FAIL Pin7 HIGH Limit FAIL signal Output Activates when the compare result is FAIL due to violating the HIGH Limit Ping LOW Limit FAIL signal Output Activates when the compare result is FAIL due to violating the LOW Limit Pind KOM End Of Measurement signal Output Activates when compare measurement is over 91 GW INSTEK GDM 8200A Series User Manual Application Compare measurement wid mM Ba
78. the range AUTO indicator turns Off automatically If the appropriate range is unknown select the highest range Selection list Range Resolution Full scale slow rate Resolution Full scale Full scale GDM 8251A GDM 8255A 10mA 0 1pA 12 0000mA 19 9999mA 100mA 1pA 120 000mA 199 999mA 1A 100nA 1 2000A 1 9999A 10A 100nA 10 0000A 10 0000A Note 10A range is not available for AC DC Current For more detailed range see the specifications at page116 29 GW INSTEK GDM 8200A Series User Manual 2W 4W Resistance Measurement Measurement type 2 wire Uses the standard V COM ports Recommended for measuring resistances larger than 1kQ 4 wire Compensates the test lead effect using the 4W compensation ports in addition to the standard V COM ports Recommended for measuring sensitive resistances smaller than 1kQ 1 Activate resistance measurement For 2 wire resistance measurement 24W press the 2W 4W key once For 4 wire resistance measurement 24W 24W press the 2W 4W key twice 2 2W resistance mode display appears rl M LI Jl 2W AUTO S mM e L tlic ly 2W 4W Q Indicates 2W 4W Resistance mode AUTO Indicates Automatic range selection 10M 2nd display shows the Resistance range 3 Connect the test lead and measure Connect the test lead For 2 wire resistance use the Q V and the COM port For 4 wire resistance use the Q V and the COM
79. ty test checks that the resistance in the DUT is low enough to be considered continuous of conductive nature 1 Activate continuity test Press the gt key twice gt 21 2 Continuity mode display appears Ww m Tr LUNI m am D ee LIL O Indicates Continuity test CONT 2nd display shows the title 3 Connect the test lead and measure Connect the test lead between the Q Q and the COM port The display updates the reading COM 33 GW INSTEK GDM 8200A Series User Manual Set continuity threshold Background Continuity threshold defines the maximum resistance allowed in the DUT when testing the continuity Threshold Range 0 1000Q 1Q resolution 10Q default 1 Activate 1 threshold setting MENU Press the Shift key the 2ND key the Right key The measurement o menu appears EEI tf MEE GCILL 1 IILI Press the Down key the Right w mer key the Enter key The continuity threshold setting appears Darum m e FH LW i LIL th 2 Edit threshold 1 Move the cursor the flashing digit using the Left Right key Change the value using the a v Up Down key Range 1 1000Q 1Q resolution default 10Q 3 Go back to the Press the Enter key to confirm the Com i default display edited threshold Press the Exit key to go back to the default display ENTER 3
80. umper up pins 3 2 to disable the scanner and down pins 2 1 to enable the scanner 74 GW INSTEK SCANNER OPTIONAL Connect wire Wire selection Make sure the wires have at least the same Voltage and Current capacity as the maximum ratings in the measurement Connection 1 Turn the screw left loose using the screw driver and insert the wire Turn the screw right tight and secure the connection o A Loosen PA 2 Insert ae Spl Sa OKE ew Toner D 2 Route the wires as follows using the two openings left and right at the front cover 75 GW INSTEK GDM 8200A Series User Manual i When using thermocouple wiring please use Note extension wires so that the cold junction points are external to the scanner card Connecting thermocouple wiring directly to the scanner box is not recommended due to the radiant heat from the internal components 0 Extension Cold junction Hot junction wires points point I Best if longer Thermocouple Doaa p than 20cm wire 3 Bundle the wires at the front cover using the holes at the bottom
81. ure dBm Activate dBm Press the Shift key followed by the dam gt H key The 1st display shows dBm gt en and the 2nd display shows the reference resistance dBm result AC S ll IFCUCF va dBm Indicates dBm measurement 600Q 2nd display indicates the reference resistance Select To change the reference resistance a v reference press the Up Down key The new resistance resistance appears in the 2nd display The following is the resistance list 2 4 8 16 50 75 93 110 124 125 135 150 250 300 500 600 800 900 1000 1200 8000 43 GW INSTEK Deactivate dBm measurement GDM 8200A Series User Manual To cancel the dBm measurement dBm press the Shift key followed by the O o gt F key or simply activate another measurement Measure dB Background dB is defined as dBm dBmref When the dB measurement is activated the GDM 8200A series calculates the dBm using the reading at the first moment and stores it as dBmref Activate dB Press the Shift key followed by the sl Hz P key The 1st display shows dB and the 2nd display shows the current Voltage reading oe nc AUTOS Eripe appears EES i oe ICi MEET mv GUAL ae a dB Indicates dB measurement 113 729mV Indicates the present Voltage reading dBmref Press the 2 key to see the dBmref value Deactivate dB measurement To cancel the dBm measurement dB press t
82. w voltage installation e Measurement category HI is for measurement performed in the building installation e Measurement category I is for measurement performed on the circuits directly connected to the low voltage installation e Measurement category I is for measurements performed on circuits not directly connected to Mains Power Supply e AC Input voltage 100 240 V AC 50 60Hz The power supply voltage should not fluctuate more WARNING than 10 Connect the protective grounding conductor of the AC power cord to an earth ground to avoid electrical shock GW INSTEK Fuse I cnn SAFETY INSTRUCTIONS Fuse type T3 15A 250V e Make sure the correct type of fuse is installed before power up To ensure fire protection replace the fuse only with the specified type and rating e Disconnect the power cord before fuse replacement e Make sure the cause of fuse blowout is fixed before fuse replacement Cleaning the GDM 8200A series e Disconnect the power cord before cleaning e Use a soft cloth dampened in a solution of mild detergent and water Do not spray any liquid into the GDM 8200A series e Do not use chemical or cleaner containing harsh material such as benzene toluene xylene and acetone Operation Environment e Location Indoor no direct sunlight dust free almost non conductive pollution Note below e Relative Humidity lt 75 e Altitude lt 2000m Temperature 0 C to
83. wn select the highest range Selection list Range Resolution Full scale slow rate Resolution Full scale Full scale GDM 8251A GDM 8255A 100mV 1pV 120 000mV 199 999mV 1V 10nV 1 20000V 1 99999V 10V 100uV 12 0000V 19 9999V 100V 1mV 120 000V 199 999V 750V AC 10mV 750 00V 750 00V 1000V 10mV 1000 0V 1000 0V DC AC DC Note For more detailed parameters see the specifications at page114 25 GW INSTEK GDM 8200A Series User Manual Voltage conversion table This table shows the relationship between AC DC and AC DC reading in various waveforms Waveform Peak to Peak AC DC AC DC True RMS True RMS Sine 2 828 1 000 0 000 1 000 ay Rectified Sine 1 414 0 435 0 900 1 000 full wave Rectified Sine 2 000 0 771 0 636 1 000 half wave AN 7 PK PK Square 2 000 1 000 0 000 1 000 Per Rectified 1 414 0 707 0 707 1 000 Square PK PK Rectangular 2 000 2K 2D 2 D Pulse D X Y x PK PK K D D D X Y ero D x Y Triangle 3 464 1 000 0 000 1 000 Sawtooth NE 26 GW INSTEK Crest factor table BASIC MEASUREMENT Background Crest factor is the ratio of the peak signal amplitude to the RMS value of the signal It determines the accuracy of AC measurement If the crest factor is less than 3 0 voltage measurement will not result in error due to dynamic range limitations at full scale If the crest factor is

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