Manual - StanTronic Instruments
Contents
1. a L C4 L a L Z7 L em l I cx N roy im Lil e y be m co xz a con oe Use the Left and Right arrow keys to lt q gt j select a digit The selected digit will flash Use the Up and Down arrow keys to edit the value of the selected digit Range 00 19 Press ENTER to confirm the eR setting After saving the settings the meter will return to the compare mode function Pressing SHIFT before pressing ENTER will exit the Save mode Recall Compare Settings Background 1 Select Recall mode The Recall function retrieves the Normal High and Low limit settings from one of 20 memory locations If these values are not saved the settings will be lost after exiting Compare mode Up to 20 Normal High Low settings can be saved on the GOM 802 ror IU OI ou iri ft qt rniti UOO Pou Press SHIFT ARECA to access the RECALL SAVE mode I RECALL Press the Up and Down arrow key PN j v to show CALL in the main display as shown above Press ENTER to confirm ENTER 29 GY INSTEK 2 Select memory GOM 802 User Manual k m inom a Pas EG location J L Se iam E I Iii m C i UUO TUU Use t2. Desired 0 99 9 Temperature Temperature 0000 9999 Coefficient selection and start measurement GW INSTEK MEASUREMENT 3 Temperature Sensor Connection a 22 connection ae oa C E6 x Of S O re DUT connection 4 Wire Select the Resistance Range Background The resistance range can be selected when using the temperature compensation function Auto Range Press the Up and Down arrow keys m w to manually select the resistance range Manuaal Press the AUTO MAN key to use automatic ranging Relative Function Background The Relative function can also be used with the temperature compensation function 1 Set the Press the REL VALUE key a Reference value 2 Relative mode display appears m ees L m kaal m ees nn 7 on _ ay I kaca Ge ate TOE Litt L tu REL Indicates the Relative function is active 35 GY INSTEK GOM 802 User Manual Han DLER SCAN INTERFACE Handler Scan Interface 36 Handler Overview ccccssccesccesccescnsscesscescceseeeseees 37 SCAN OVET VOW serisi roer r see 38 IC OTUD eer EE 38 Sca
3. x OE Oo e Compare Function Background 26 The compare function compares a measured value to a Normal value that has an upper HI and lower LO limit The upper and lower limit is set as a percentage of the Normal value A measured value that falls within the upper and lower limits is considered a GO pass a value that falls below the lower limits is considered LO and a value that falls over the upper limit is a HI Normal value Lower limit lt Upper limit _ gt re LO GO HI GY INSTEK MEASUREMENT The GO HI or LO indicators will light up for each measured value that is compared to the upper and lower limits 1 Select the compare function 2 Normal value setting N Note 3 HI limit setting Press COMP to access the compare mode as shown above Press N ORMALS N to set NORMAL value setting Use the Left and Right arrow keys to a gt select a digit The selected digit will flash ONM IU ULL A Use the Up and Down arrow keys to A v edit the value of the selected digit es Lv J 33000 00000 After setting the Normal value the HI and LO limits will be changed to reflect the new Normal value setting Range Press HIGHS to set the HI percentage limit U
4. When Kelvin clips are used to resume testing after a long period of time please wait for a short time to stabilize the measurement wl through the power cord 51 GW INSTEK GOM 802 User Manual Measurement Four terminal method Auto ranging Provided Over input range OL indication Maximum Applied 30m 3Q range 30VpDC voltage Other range 100VpDC Comparator 20 sets of comparator status can be selected Buzzer mode NON PASS FAIL switchable Temperature Measurement Temperature sensor Platinum resistor option Lead length 1 5m approx Range Accuracy Accuracy Speed 7 readings second Speed 30 readings second 50 0 C 10 0 C 0 3 1 0 C 0 3 3 C 9 9 C 39 9 C 0 3 0 5 C 0 3 2 C 40 C 100 C 0 3 1 0 C 0 3 3 C Temperature Correction Function Temperature 0 0 C 39 9 C correction range Reference temperature 0 C 99 9 C range Thermal coefficient 9999 ppm range Temperature range Accuracy of temperature compensation for 3930 ppm Cu wire speed 7 readings second 0 C 39 9 C 0 3 resistance measurement accuracy 40 C 100 C 0 6 resistance measurement accuracy The temperature coefficient for the other settings must be calculated individually according to different conditions If the temperature coefficient or the difference between the environmental temperature and the required temperature exceeds normal operation after calculating the compensation the varia
5. Source LO Sense HI Sense LO GND SOURCE The Source HI carries the measuring current source It is connected to the side of the DUT The Source LO terminal accepts the signal return current Connects to the side of the DUT Monitors the positive potential Monitors the negative potential If the component has a large metallic area not connected to either terminal connect it to ground to reduce noise 19 GY INSTEK GOM 802 User Manual Zeroing Relative Function Background 1 Short the cables 1 Set the Reference value 2 Relative mode display appears N Note 20 The Relative function is used to perform a zero adjustment on the test leads After the Relative value is pre set each measurement that is displayed is equal to the actual value relative preset value If the measured value minus the relative value is a negative a minus sign is shown on the MSB most significant bit At low measurement speeds the minus sign will alternate with the displayed measurement Short the test cables together using a short thick copper wire if necessary O Press the REL VALUE key VALUE REL REL Indicates the Relative function is active The Auto range function will be disabled when using compare mode with the relative function GW INSTEK MEASUREMENT TEMP CURSOR RECALL SPEED VAL
6. Z Press the MANUAL TRIG key to MANUAL start the sweep measurements TRIG The results will be displayed on screen and output through the scan port until finished number gt C7 C7 L a I T E lt result Ea Gy Mo IMG A Li Luo LI l E L IOL oO LT Ta LI LI gt Press the Up and Down arrow keys v to cycle through each result The measurement number will be displayed on the Normal display and the measurement on the main screen Press NORMAL at any time to exit the scan mode SCAN SHIFT NORMAL GW INSTEK HANDLER SCAN INTERFACE Scan Output Background The timing diagrams for the scan output under different conditions are shown below Ready message displayed After the MANUAL TRIG key is pressed Relay Relay Lo a Pass Pass ___ gaan ae Low S LOW L oo ign s High S High L ga s Clock MUIA Th ILI Clock M N s l IL 1 2 3 4 99 100 99 100 STRB I STRB_ yego i l Scan channel 1 Delay time has Scan channel n delay time has elapsed elapsed Relay L s ere s Relay es ae ee ee PSST tenn PASS OX 8 OW M OX agh Oeae A OOOO taa Clock P M e M Clock Is S 1 100 n n 1 STRB r s STRB ee Scan Channel 100 Delay time has Scan output signal timing elapsed Relay __ g es Data _ L_ Pass XN XD Pass 1 l le CEs ee aoe
7. Holds the main fuse 100 120V T0 3A 250V 220 230V T0 25A 250V For the fuse replacement details see page 47 Accepts an RS 232C cable for remote control DB 9 male connector For remote control details see page 43 Accepts a GPIB cable for remote control page 42 The Handler Scan port is used to output pass fail high low comparison results The temperature sensor input for the optional PT 100 temperature probe GW INSTEK GETTING STARTED Set Up Tilt Stand Steps 1 Pull handle base away from the casing See EEE EEE EEE LEE Stand Position Carry Position 17 GW INSTEK GOM 802 User Manual Power Up 1 Ensure that the correct voltage is lined up with the arrow on the fuse cover on the rear panel 100V 120V 220V 230V Yy vy Steps Ensure the ground connector of the power cord is CAUTION connected to a safety ground This will affect the measurement accu racy 3 Press the main power switch on the front panel 4 The display will light up and show the last setting used before the last shut down 18 GY INSTEK Example Resistance measurement mode 4 Wire Kelvin Connection Background Diagram Description GETTING STARTED 9 am The GOM 802 uses 4 wire Kelvin connections for accurate measurements Source HI
8. Use the SOURCE HI and the SOURCE LO port for measurement and the SENSE HI and SENSE LO port for sensing When switching from a high range to a low range please allow a moment for the circuits to settle before measuring 23 GY INSTEK Select the Resistance Range Background Auto Range Manual Selection List My ote 24 GOM 802 User Manual The resistance range can be used with normal resistance measurement as well as the temperature compensation function Press the Up and Down arrow keys iw to manually select the resistance range Press the AUTO MAN key to use automatic ranging Range 30mQ 300mQ 3Q 300 3000 3kO 30kQ 300kQ 3MQ Resolution 7 meas s 1uQ 10uQ 100uQ ImQ 10mQ 100mQ 10 10Q 100Q For detailed specifications please see the specifications on page 51 GY INSTEK MEASUREMENT Select Measurement Rate Background 1 Select Rate LO rate HI rate My ote The resistance measurement speed has 2 ranges low and high Low speed is the most accurate with 7 measurements second and a full scale of 30 000 counts High speed has 30 measurements second with a full scale 3 000 counts The rate function is applicable to the resistance temperature and temperature compensation measurements Press the a AUTO MAN S keys to switch E2 a between the LO and HI rates The low rate is shown with a full scale of
9. R100 Ro 1 AT BT7 CT T 100 100 1 0 00391 100 5 77e 7 1007 4 18E 12 100 100 100 138 50 GW INSTEK APPENDIX Specifications Conditions The specifications are applicable under the following Background conditions e A 1 year calibration cycle e An operating temperature of 18 to 28 C 64 4 to 82 4 F e Relative humidity not exceeding 80 e Accuracy is expressed as percentage of reading digits e The instrument requires 30 minutes warm up time to achieve rated accuracy e The power cord protective grounding conductor must be connected to ground Resistance Measurement 30000 counts speed 7 readings second Measuring Open Terminal Range Resolution Current Accuracy Voltage 30mQ TWO 1A approx 0 1 6 1 772V 300mQ 10uQ 100mA 0 05 6 1 772V 30 100uQ 100mA 0 05 3 1 772V 300 ImQ 10mA 0 05 2 1 772V 3000 10mQ ImA 0 05 2 1 772V 3kQ 100mQ 100A 0 05 2 1 770V 30kO 10 100A 0 05 2 4 570V 300kQ 10Q 10uA 0 05 2 4 526V 3MQ 1000 THA 0 05 2 4 148V wll 3000 counts Accuracy speed 30 readings second 5 counts When the instrument is set to 30mQ or 300mQ ranges the resistance value will be changed while connecting or disconnecting the test lead to the panel due to the different temperature between internal and external parts of the instrument Therefore please must wait 1 minute in order to obtain an accurate value after the test leads have been connected or disconnected
10. are used to edit parameters and navigate the menu tree RECALL The Up Down arrow keys are used to ZS change the values and range of the RANGE different parameters v The secondary function recalls previously saved settings RECALL Siana The AUTO MAN key toggles the range between automatic and manual and toggles between 7 samples per second and 30 samples per second e Recall settings 13 GY INSTEK 14 INVALUE REL GPIB RS232 LOCAL HANDLER HIGH SCAN NORMAL GOM 802 User Manual SPEED oc The RELY key is used to perform a zero adjustment to the test leads or a DUT Using the shift key will display the measured values as a percentage of the normal value e Sample speed iins e Percentage H values The LOCALS S key will switch the milliohm meter between local and remote mode The secondary function will set the I O interface to GPIB or RS 232 GPIB RS232 GPIB am JH on RS232 mode Sets the High limit values The secondary function activates the Handler function HANDLER SHIFT HIGH Sets the normal Nominal value for the comparator function e Handler mode SCAN SHIFT NORMAL Sets the lower limit for the comparator function and turns the buzzer on for either a PASS or FAIL judgement or turns the buzzer off e Scan function e Buzzer 8 Gane ON OFF GW INSTEK GETTING STARTED INT Turns the external
11. measurement Environment COMNCCHOM naa E tetas mae 19 0 9 2 2111012 eee eee enn T 6 Safety instruction SE Oar ciarate A AE A S 6 EE EE err Tree E var 5 PAE S A E E 45 Safety instructions Front panel overvieW seseeeessresersereerse 12 E T eee ener er ne eee eer eee 5 Fuse OWE supply sateen a anime cate 5 AC fuse replacement eeeeeseeseeereeeeeeeees 47 By NOG lorara codices rms AOA 4 safety MSECUCUONS sinipa 5 Scan Geins arted Chaple sssisesiscedsnensaedeapesaessacsecees 8 OET EN aeara ET 38 Handler BENIN a E S 38 a a E E E 37 Ger ICE COMLACE serienr 45 Interface Specifications eeeeeeeeeeeeeeereerrererrerrerrrrrrrerees 51 GPIB Table of COntenta sssosssiseisisissiseisnisisiisnsa 3 BC UNG EEE T 42 Temperature S AT T cena peaeeoeeas 32 OVEN E A E en aes 42 i RS 232 Temperature compensation SELE a A as aan pease 34 ciani ot w eseesesseeeeeseeeeseeeseeeseeneeeenes 43 a E EE 17 Overview Trigger measure mMEN nee een a 22 E E ere ere 25 Percentage United Kingdom power cord seese 7 SiS 08g AEE NEE DEE E 31 Zeroing Power supply safety instructions 5 COND e OD E siete 20 POW Cl UD tasers snascnsionsonpeareetnacceeseoneneramaaveatias 18 59
12. the Manual Protective Conductor Terminal Earth ground Terminal Do not dispose electronic equipment as unsorted municipal waste Please use a separate collection facility or contact the supplier from which this instrument was purchased GY INSTEK SAFETY INSTRUCTIONS Safety Guidelines General Guideline N CAUTION Do not place any heavy objects on the GOM 802 Avoid severe impact or rough handling that leads to damaging the GOM 802 Do not discharge static electricity to the GOM 802 Use only mating connectors not bare wires for the terminals Do not disassemble the GOM 802 unless you are qualified as service personnel Note EN 61010 1 2001 specifies the measurement categories and their requirements as follows The GOM 802 falls under category I Power Supply WARNING Fuse N WARNING Measurement category IV is for measurement performed at the source of low voltage installation Measurement category II is for measurement performed in the building installation Measurement category II is for measurement performed on the circuits directly connected to the low voltage installation Measurement category I is for measurements performed on circuits not directly connected to Mains AC Input voltage 100V 120V 220V 230 V AC 50 60Hz 27VA 22W The power supply voltage should not fluctuate more than 10 Connect the protective grounding conductor of the AC power cord to an earth ground to
13. 128us 2 High SIRB g 4 IL OOOO XO 20us Clock LIUU g a SLL 12 3 4 99 100 STRB 41 GY INSTEK GOM 802 User Manual Configure Interface Overview Interface The RS 232 and GPIB interfaces are factory installed options for remote control of the GOM 802 The remote control interfaces allow the GOM 802 to be programmed for automatic testing For more information on the remote control programming please see the GOM 802 programming manual GPIB 24 pin female GPIB port RS 232 DB 9 male port Configure GPIB Interface Background 1 Select the GPIB address 42 The GPIB interface is SCPI 1994 IEEE488 1 and IEEE488 2 compliant Add F A CT Press SHIFT LOCALS S10 ge Press the Left or Right arrow key to gt of enter the GPIB address settings Press the Up and Down arrow keys v to set the GPIB address GPIB Address 0 31 display returns to the main display Connect one end of the GPIB cable to the computer and the other end IA to the GPIB port on the GOM 802 SS GY INSTEK GPIB Constrains HANDLER SCAN INTERFACE Maximum 15 devices altogether 20m cable length 2m between each device e Unique address assigned to each device e Atleast 2 3 of the devices turned on e No loop or parallel connection Configure RS 232 Interface Background
14. 5 digits in the resistance measurement mode O O O Cf CI l l The high rate is shown with a full scale of 4 digits l fd N 0 0 6 0 For detailed specifications please see the specifications on page 49 kE at Using the Trigger Function Background 1 Select Manual Trigger The GOM 802 can use internal or manual triggering for the resistance temperature and temperature compensation measurement modes External triggering is only supported with the Handler and Scan modes By default the GOM 802 is in internal triggering mode Press MANUAL TRIGE to switch wal r 7 MANUAL to manual triggering mode TRIG 25 GY INSTEK 2 Manually Triggering Measurements Internal Triggering GOM 802 User Manual The EXT indicator will be lit when the manual trigger is active a E e E T T AN e e l om Sad o _ L Press the MANUAL TRIG key al each time you want to start a single TRIG measurement The EXT indicator will be lit when the manual trigger is active oe a eee Press SHIFT MANUAL TRIGA to return the triggering mode back to internal mode S lt Sree E T E e mr A ee SHIFT alate The EXT indicator will become cleared from the display m r
15. D C Milli Ohm Meter GOM 802 USER MANUAL GW INSTEK PART NO 820M 80200MD1 ISO 9001 CERTIFIED MANUFACTURER GW INSTEK This manual contains proprietary information which is protected by copyright All rights are reserved No part of this manual may be photocopied reproduced or translated to another language without prior written consent of the 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 ccacconeaeneaoeesmeecscssiacasencnaceeveatesssoscens 4 Y YMD S e eE E neceresieeaerease 4 Safety Guidelines apisensteeciseneriessaieestensenieaciserieacss 5 GETTING STARTED rierren ennen ea EE 8 GOM 802 Characteristics c cccccecceecceeeeeeeeees 9 REY FOAL UICC S eenaa E E 1 Front Panel OVervieW ccccccsecceecceeceeeeeceaeeeeees 12 Rear Panel Overview cccccssccesccsecesenseceeseeees 16 DIG WO A E E T 17 MEASUREMENT orcrra nnie E ETE 21 Measurement Overview ssssssssssessssrssessesresees 22 Resistance Measurem nisinnerssrietank iir iren 23 Compare FUNCT ON iccccatimienenesceransatieaeresenssseenoens 26 Temperature Measurement ce c
16. GW Instek continues to improve its products changes can occur at any time without notice Please see the GW Instek website for the latest information and content i oe Tews C Se Bites S unera aoma N nt tog o29 a sr 3 neam aur annan Characteristics Panel Overview Setup GOM 802 CharacterisStiCsS ccccccceccceccecceeccenceencs 9 KETELU O area E E E EE 11 Front Panel Overview cccccccccecccecccececccecsesceenes 12 Rear Panel Overview ccccccccccccccecccccceccceccecceenes 16 Tilt Stand sccdccsttisceccsdscsdesadetecsenciGcdensiiiaasacncvdeisandeian 17 POWGE UD orara are E A TO 18 4 Wire Kelvin Connection ccccccccecceccceccenseeeees 19 Zeroing Relative Function cccsccsscnsscescceseees 20 GY INSTEK GETTING STARTED GOM 802 Characteristics Easy to Use Features Performance GOM 802 is a high precision programmable DC Milli ohm meter suitable for low resistance measurements of switches relays connectors PCB tracks and a variety of other devices With the easy to use features superior performance and automatic test interfaces the GOM 802 is a dependable instrument for resistance measurements The GOM 802 includes an easy to use comparator function HI LO GO that is able to easily set upper and lower limits for pass fail testing The alarm buzzer can be used with the comparator function The flexible handler interface can be used to
17. HANDLER SCAN VALUE INT Display NORMAL Low v JJ wave ENTER SHI GWINSTEK com p62 Lower Limit l Measurement Negative Current Source Function keys Display Terminals Sense Terminal Terminals Turns On or Off the main power For details about the power up sequence see page 18 Power Switch oy OOo 0g0gA LJ 00 C0 ENE Shows the primary measurement results Normal Display CJ im ml I E LI Lio Lt G LI Shows the Normal nominal value setting Comparator ELI The comparator indicators indicate the Indicators GO status of comparison judgments LO HI measurement exceeds the HI limit LO measurement exceeds the LO limit GO measurement is within the HI and LO limits 12 GW INSTEK GETTING STARTED Fu nction Contro SHIFT TC EXT REL AUTO m Q Q k Q Indicators Indicates when a function key is active SENSE Measurement Sense HI and Sense LO terminals Terminals Current Source Current Source Terminals Source HI Terminals C and Source LO Negative Negative Terminal This terminal has Terminal the same potential as earth but cannot e substituted for it Function Keys TEMP The COMPT P key activates the comparator function The secondary function turns on the temperature compensation function Uai Temperature sir H coe compensation m sR n The Cursor keys
18. Settings 1 Select the RS 232 baud rate RS 232C pin assignment The GOM 802 uses an RS 232C connection for remote control When connecting to a PC ensure the correct baud rate parity data bits stop bit and data control settings are used Baud rate 1200 2400 4800 9600 Parity None Data bits 8 Stop bit 1 Data flow None control a cm os gt az et access the GPIB RS232 settings suer H nor Press the Up and Down arrow keys a to set the baud rate Baud rate 1200 2400 4800 9600 display goes back to the main display Connect the RS 232C cable to rear me panel RS232 port 2000 Pin 2 RxD Pin 3 TxD Pin 5 GND Pin 1 4 6 9 No Connection 43 GY INSTEK PC GOM RS 232C Connection GOM 802 User Manual The RS232 connection uses a Null modem connection in which transmit TxD and receive RxD lines are cross linked GOM PC Pin2 RxD RxD Pin2 Pin3 TxD TxD Pin3 Pind GND GND Pin5 Interface Function Check Operation Function Check Errors 44 Run this query from the terminal idn This should return the Manufacturer Model number and Firmware version GW Inc GOM 802 FW1 00 If you do not receive a proper response from the Meter please check if the power is on the GPIB address RS232 baud rate is correct and all cable connections are activ
19. Slower Self heating Yes Long term stability Good Output characteristics oo 0 4ohm C near inear Optional Platinum Sensor Introduction The optional platinum sensor is a PT 100 sensor The PT 100 sensor meets the German DIN43760 1968 3 wire measurement specification These sensors are one of the most common temperature sensors used in industry These sensors have a nominal resistance of 1000 at 0 C The relationship between temperature and resistance for the PT 100 sensor can be described with the Gallendarvan Dusen equation shown below Rrtp Ro 1 AT B12 CT3 T 100 Where Rrtp is the calculated resistance of the RTD Ro is the known RTD resistance at 0 C T is the temperature in C A alpha I delta 100 B alpha delta le 4 C alpha beta le 8 The Alpha A Beta B Delta D values for the 49 GY INSTEK Type Standard PT 100 ITS9O Temperature Calculation Example 50 GOM 802 User Manual PT 100 sensor are listed below Alpha Beta Delta Q odoc 0 003850 0 10863 1 49990 1000 Example Calculating the resistance of a PT 100 RTD at 100 C T The following Ry Qat 0 alpha beta and delta values are used for the PT 100 RTD T 100 C Ro Q at 0 C 1000 Alpha 0 003850 Beta 0 10863 Delta 1 49990 A B and C are calculated according to equations listed above A 0 00391 B 5 7 e C 4 18e 12 The resistance of the RTD at 100 C Riog is then calculated as follows
20. UE at COMP pi lt i p gt ol vrom ATOMAN roca LOCAL HANDLER SCAN ure INT HIGH nora LOW pi WwW vy CRE cal eee ENTER SHIFT Overview Resistance Rate Trigger Compare Buzzer Percentage Relative Temperature Temperature Compensation Measurement OVerview ccceeeeeeeececeeeeeeeeeeeeeees 22 Resistance Measurement cee ceeeeeeeeeeeceeeeeeeeees 23 Select the Resistance Range cccceecceseseeeeeeeeeees 24 Select Measurement Rate cccsccsscesecescceseeesens 25 Using the Trigger Function ccccecceecceeeeeeeeeeeeees 25 Compare FUNCION ce cn pence sreecesdaretsetesucteteeertaserane 26 Save Compare SetInNg S smarieseari sieniin En ees 28 Recall Compare Settings c cccsscssscnsecesecescesseees 29 DUZZANAT S 30 Display as Percentage cccssccesccsscesscesccescceseees 3 Relative FUNC Oleee naan eeecraene 32 Temperature Measurement eceeeeeeecececeeeeeeeees 32 Relative FUNCTION cccccsccesccesccescescceseceseceseesseees 33 Temperature Compensation ce cece eeeeeeeeeeeeeees 34 Select the Resistance Range cccscssscesccesceesens 35 Relative FUNCtION cccesccesccsscesscesscesccesecescessenes 35 21 GY INSTEK Measurement Overview Background GOM 802 User Manual The Measurement chapter refers to the measurements listed below For measurements using the Hand
21. avoid electrical shock Fuse type Line Voltage Rating Fuse 100V 90 110V TO 3A 250V 120V 108 132V TO 3A 250V 220V 198 242V T0 25A 250V 230V 216 250V T0 25A 250V Make sure the correct type of fuse is installed before power up To avoid fire only replace the fuse with the specified type and rating Disconnect the power cord before fuse replacement Make sure the cause of a fuse blowout is fixed before fuse replacement GW INSTEK GOM 802 User Manual Cleaning the e Disconnect the power cord before cleaning GOM 802 Use a soft cloth dampened in a solution of mild detergent and water Do not spray any liquid into the GOM 802 e Do not use chemicals or cleaners containing harsh material such as benzene toluene xylene and acetone Operation e Location Indoor no direct sunlight dust free almost Environment non conductive pollution Note below e Relative Humidity lt 80 e Altitude lt 2000m Temperature 0 C to 40 C operation Note EN 61010 1 2001 specifies the pollution degrees and their requirements as follows The GOM 802 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 Occa
22. can function is used to automatically bin groups of up to 100 components The scan function unlike the handler interface must first be activated using the panel keys There are a total of 6 outputs as well as a GND and power 5V pin 9 Pin D SHELL GND Female 45V LOW HIGH Relay Controls the relay output Pass Pass signal Indicates a GO compare result is GO pass Low Low signal Indicates a LO compare result High High signal Indicates a HI compare result Clock The clock signal will pulse high when each group of output signals Ready Pass Low High are ready There are up to 100 groups of output signals STRB After all 100 output groups are ready the STRB signal will pulse high The scan function is accessed via the compare mode F m IC gt o gt j5 E a Sa ome n Sa n Press COMP s to access the page 26 compare mode as shown above GY INSTEK 2 Select the resistance function 3 Resistance mode and Compare display appears 4 Resistance Range 5 Select the Scan mode 6 Select the Delay time HANDLER SCAN INTERFACE ne ry Press COMP to access the main function mode TEMP SHIFT COMP Press the Up and Down arrow keys v to select the resistance measurement mode shown above There are three different modes oHm resistance L temperatur
23. e GY INSTEK FAQ AQ What are the different measurement speeds e The GOM 802 performance does not match the specifications What are the different measurement speeds There are two measurement speeds for both resistance and temperature measurement At 30 000 counts the measurement speed is 7 readings s at 3 000 counts the measurement speed is 30 readings s The GOM 802 performance does not match the specifications Make sure the device is powered on for at least 30 minutes within 18 C 28 C with a humidity not exceeding 80 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 marketine goodwill com tw 45 GW INSTEK GOM 802 User Manual A ppen DIX Fuse Replace the AC source fUSEC ccecccesceeseeeseeeeeens 47 Replacement Temperature Reference Temperature Table ccccccsecceseeeeeees 48 EEA E RTD SensorsTemperature ssssssssssssssrssssssssesese 49 Optional Platinum SeNSOL cccccecceecseeeeeeeeeeeenes 49 Specifications Resistance Measurement cece cececececeeececeeeeeeees 5 Temperature Measurement esssssessessessrsssessese 52 Temperature Correction Function esesssssssssssrsessee 52 KEE E E E E E ET N eatvaaene 53 EVO ti ON I ee E 53 E E E E E 53 CE Declaration Declaration of Conformity ssssssessessesserssrsersees 54 46 GW INSTEK APPENDIX Fuse Replac
24. e and E L temperature compensation mode Press ENTER to confirm ENTER Seam TJ L a a L e a hes Gee Ream e T kes 3 an re m aun xe a ee Press the Up and Down arrow keys a to manually select the resistance range oor LI O access the scan mode n EN I 7 fF LC OILI I O l L Illi SCAN Press the Up and Down or Left and a right arrow keys to select the number of counts Count range 0 100 Press ENTER to confirm ENTER Press the Up and Down or Leftand a v Right arrow keys to set the sweep delay time Each count unit has a delay time of 16 2 ms 39 GY INSTEK 7 The Ready Display appears N Note 8 Start the scan 9 View Results 10 Exit Scan mode 40 GOM 802 User Manual Count units 30 30 000 Press to confirm After the Ready indicator is shown it is not possible to make any changes to the compare function or range oo oo Te n Seep gt lt result LI LI x m LI _
25. eeeeeeee seen ee 32 Temperature Compensation cece eeeeeeeeeee eens 34 HANDLER SCAN INTERFACE cee ceceeeeeeceeeeceees 36 Handler Overview ccccscccsecescceeceesseseneeeeeees 37 SCA OVE IVIGW creat eee nacccecoseutecegncanuesancutseessareeneee 38 Configure Interface ccecccesccseeceeeceeeeeeeseeneees 42 FAQ ecccccscceccecceccescesceccescescesccsccessessescesceaceacesceacescsesseseeaeees 45 PP PEIN enar r a EE AEE EEEE EEE EET 46 Fuse Replacement ccccccccsecescceeceeseeseseeeeeens 47 Temperature Measurement cc ceeeeeeeeeeeeeee 48 SO SCI ICAO St accccccececsnesacwengasemepeneconcesnaeaoneeaese 51 Declaration of Conformity ccceccceeecneeeeeeees 54 IN DEA enre E E E E EEE EA EET 53 GY INSTEK GOM 802 User Manual SAFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow when operating the GOM 802 or when keeping it in storage Read the following before any Operation to insure your safety and to keep the GOM 802 in the best possible condition Safety Symbols These safety symbols may appear in this manual or on the GOM 802 N WARNING CAUTION I B gt B gt gt a A Warning Identifies conditions or practices that could result in injury or loss of life Caution Identifies conditions or practices that could result in damage to the GOM 802 or to other properties DANGER High Voltage Attention Refer to
26. ement Replace the AC source fuse Steps 1 Remove the power cord 47 GW INSTEK GOM 802 User Manual 4 Ensure the correct line voltage is lined up with the arrow on the fuse holder Insert the fuse socket Rating 100V 120V TTO 3A 250V 220V 230V T0 25A 250V Temperature Measurement Reference Temperature Table Overview The International Temperature Scale ITS is based on the Background following table The table has 17fixed calibration points as of 1990 Temperature Element Type K C H2 Hydrogen Triple point 13 8033 259 3467 Ne Neon Triple point 24 5561 248 5939 O2 Oxygen Triple point 54 3584 218 7916 Ar Argon Triple point 83 8058 189 3442 Hg Mercury Triple point 234 325 38 8344 H20 Water Triple point 273 16 0 01 Ga Gallium Melting point 302 9146 29 7646 In Indium Freezing point 429 7485 156 5985 Sn Tin Freezing point 505 078 231 928 Zn Zinc Freezing point 692 677 419 527 Al Aluminum Freezing point 933 473 660 323 Ag Silver Freezing point 1234 93 961 78 Au Gold Freezing point 1337 33 1064 18 48 GY INSTEK RTD Sensors Overview APPENDIX Resistive Thermal Devices RTDs are commonly used as temperature sensors RTDs change resistance linearly over a specific range of temperature The table below shows some of the inherent features of RTDs compared to thermocouples Feature Description Accuracy Higher accuracy Resolution 0 1 1 0 C higher resolution Speed of response
27. ger control sional An RS 232 and GPIB option is also available for computer control applications Applications e Production testing for contact resistance of switches relays connectors cables and printed circuit boards and other low resistance devices e Component testing of resistors motors fuses and heating elements e Incoming inspection and quality assurance testing e Conductivity evaluation for product design 10 GW INSTEK GETTING STARTED Key Features e 30 000 counts e Measurement Range 30mQ 3MQ e 0 05 accuracy e Hi Lo comparator and limit percentage setting with 20 memory sets e REL Actual and value measurements e Manual or Auto ranging e Continuous or Triggered measurement modes e Temperature compensation and measurement e Four wire measurement method e Auto recall last setting on power up e Diode test e Alarm setting for PASS FAIL test result e Sampling rate 7 or 30 sampling sec e Standard interface Scan Handler optional interfaces RS 232 GPIB 11 GW INSTEK GOM 802 User Manual Front Panel Overview Normal Value Comparator SP ki Primary Display Function control indicators Display Indicator Interface C J30 Indicator Upper CURSOR RECALL SPEED VALUE GPIB RS232 EE J gt a D wromm a toon Limit R RANGE
28. he Left and Right arrow keys to gt select a digit The selected digit will flash l I L a CN C Adil Use the Up and Down arrow keys to edit the value of the selected digit AL Press ENTER to confirm the eR setting After saving the settings the meter will return to the compare mode function N Note Pressing SHIFT before pressing ENTER will exit the Recall mode Buzzer Function Background 1 Select Buzzer The buzzer function can make the buzzer sound when the compare test has passed GO or failed NOGO The buzzer settings are only applicable in Compare mode Press the SHIFT key and then press ee Function LOW key sar tow 2 Buzzer function display appears 30 mm _ Ea au e E bU II Press the Up and Down arrow key x y to choose the buzzer mode NON Buzzer function off bF Buzz on Fail No Go bP Buzz on Pass Go Press ENTER to confirm the eres selection GY INSTEK AN Note MEASUREMENT Pressing SHIFT before pressing ENTER will exit the Buzzer function settings Display as Percentage Background 1 Select Buzzer In the compare function the measured value can be displayed as a percentage of the Normal value rather than the actual value For example if the Nor
29. ler or Scan interfaces see page 30 TEMP p CURSOR RECALL SPEED VALUE GPIB RS232 e a e C CS HANDLER SCAN RANGE VALUE INT HIGH nora LOW WwW at Sint Measurement type COMPTEMP 22 RE VALUE REL4 VALUE HIGHHAN DLER HIGHHAN DLER NORMALS amp AN Low SHIFT LOW Comparison function Temperature sensor function Auto range lt gt Manual range Measurement speed function Relative function selector Toggle Relative or Value High comparison limit Handler function Normal nominal value Scan mode Low comparison limit Buzzer on off Trigger settings Internal trigger setting GY INSTEK MEASUREMENT Resistance Measurement 1 Select the Resistance function 2 Resistance mode display appears 3 Connect the test lead and measure N Note RMT HI HAND Go SCAN Lo rT Littl a y SHIFT TC EXT REL AUTO mQ Q KQ access the main function mode er H cone Press the Up and Down arrow keys a vi to select resistance measurement mode shown above There are three different modes on resistance TL temperature OUZ Aa and E L temperature compensation mode Press ENTER to confirm ENTER Auto Indicates automatic ranging mQ Milliohms Q Ohms kO Kilo ohms 4 wire resistance
30. mal value is 20 000 and the actual value is 10 000 then as a percentage it would be displayed as 50 00 Press the SHIFT key and then press NVALUE Function 2 Percentage display appears 3 Return to normal display N Note th e RELVADE SHIFT REL mOr maranana c O Pirie An TET O 5000 RER ka Press the key and then press VALUE th e Reve SHIFT REL The Auto range function will be disabled when using the percentage display 31 GY INSTEK GOM 802 User Manual Relative Function Background 1 Set the Reference value 2 Relative mode display appears AN Note The Relative function is used to perform a zero adjustment on the test leads or the resistance of the DUT After the Reference value is pre set each measurement that is displayed is equal to the actual value relative preset value If the measured value minus the relative value is a negative a minus sien is shown on the MSB most sionificant bit At low measurement speeds the minus sion will alternate with the displayed measurement r O Press the REL VALUE key VALUE REL 1i ITITI iLL I LI REL Indicates the Relative function is active UL UU fo ID The Auto range function will be disabled when using compare mode with the relative function Temperature Measurement Background 1 Select the Temperat
31. monitor the status of the pass fail testing The relative feature enables the GOM 802 to easily compensate for any stray resistance Up to 20 different sets of HI LO GO settings can be stored to satisfy a number of different testing conditions The GOM 802 is also able to recall the last test setting that was used every time it is turned on The GOM 802 has nine selectable measurement ranges from 30mQ to 3MQ a constant current source of 1uA to 1A an accuracy of 0 05 a 1uQ resolution and performs measurements using four wire Kelvin connections for accurate consistent measurements The ability to choose between high measurement accuracy with 7 samples sec full scale at 30000 or high speed measurements with 30 samples sec full scale at 3000 allows the GOM 802 the flexibility to fulfill a number of different measurement roles GY INSTEK Temperature Compensation GOM 802 User Manual Temperature Compensation Optional The optional temperature probe PT 100 can be used to extrapolate the resistance of a DUT at a certain temperature When the temperature coefficient and the required temperature of the resistance measurement 1s keyed in under TC mode the GOM 802 will display the extrapolated measurement Automatic Testing For automatic testing The GOM 802 has a handler interface designed for automatic testing The handler interface outputs the status of PASS FAIL HI LO READY and EOT signals and inputs a trig
32. n QUID Ules eee eee eee eee 4 Configure Interface vacecnsicindecnstintearscesanavess dcncesdcindect 42 Configure GPIB Interface ccecccesceseeeeeeeeeeeeeeens 42 Configure RS 232 Interface cccceeccseeceeeeeeeeeeees 43 Interface Function Check cccccescssscceseceseeeeeens 44 GY INSTEK Handler Overview HANDLER SCAN INTERFACE Background The Handler Interface is used to help bin components based on the Go NoGo comparator function test There are 6 TTL outputs and one TTL input The Handler interface can only be used with the resistance measurement and compare measurement modes Interface and pin 9 Pin D SUB assignment Female Pin Assignment START START GND 5V Start the trigger for a single measurement Negative edge trigger READY High when the measurement has finished The instrument is ready for the next trigger EOT High when the AD conversion has completed The DUT is ready to be changed LOW High when the compare result is deemed LO HIGH High when the compare result is deemed HI FAIL High when the compare result is either HI or LO fail PASS High when the compare result is GO pass i The output current from all the terminals and the 5V Note terminal cannot exceed 60mA 37 GY INSTEK GOM 802 User Manual Scan Overview Background Interface and pin assignment Pin Assignment Scan Setup Background 1 Select the compare function 38 The S
33. ply with the requirements set out in the Council Directive on the Approximation of the Law of Member States relating to Electromagnetic Compatibility 89 336 EEC 92 31 EEC 93 68 EEC For the evaluation regarding the Electromagnetic Compatibility and Low ge Equipment Directive the following standards were applied EN 61326 Electrical equipment for measurement control and laboratory use EMC requirements 1997 A1 1998 A2 2001 Conducted and Radiated Emission EN 55011 1998 class A IEC 61000 4 2 1995 A1 1998 IEC 61000 3 2 2000 IEC 61000 4 3 1996 A1 1998 IEC 61000 3 3 1995 IEC 61000 4 4 1995 ee ee IEC 61000 4 5 1995 ee eee IEC 61000 4 6 1996 re RCo IEC 61000 4 8 1993 Tee Rag IEC 61000 4 11 1994 Safety Low Voltage Equipment Directive 73 23 EEC amp amended by 93 68 EEC IEC EN 61010 1 2001 VI 4 GY INSTEK Index Buzzer PT 100 sensor temperature calculation 49 GN ese E ites een ect E E T 30 Rate Go egal io uli dc eee ney er een eee 9 E ae eee ee ee ee ee 25 Compare function Rear panel overvieW eseeeseeseeeeseeeeneeeeeeens 16 ETA SA AATE EE E T AI pean 26 Reference temperature table 0 48 50 Declaration of conformity eeeeeeeeeeeeeeee 54 Relative function Disposal instructions seeeeeeeeeerereeeeere 6 Se E eran 32 33 EN 61010 Resistance measurement CAtCQOTY ariran 5 E a E E 23 pollution UC 21 CC hee sinarssornrriessercnceneioeemeccstes 6 Resistance
34. r the letter E the earth symbol or coloured Green 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 a 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 exposed wiring from a cable plug or connection that is engaged in a live socket is extremely hazardous If a cable or plug is deemed hazardous turn off the mains power and remove the cable any fuses and fuse assemblies All hazardous wiring must be immediately destroyed and replaced in accordance to the above standard GY INSTEK GOM 802 User Manual G ETTING STARTED This chapter describes the GOM 802 in a nutshell including its main features as well as its front and rear panels After going through the panel overview follow the Power up sequence before attempting to use the instrument Please note the information in this manual was correct at the time of printing However as
35. se the Left and Right arrow keys to lt p gt select a digit The selected digit will E3 Ca flash iri UU er 27 GY INSTEK 4 LO limit setting GOM 802 User Manual Use the Up and Down arrow keys to edit the value of the selected digit SL T a Press ENTER to confirm the eR setting rir ar SAna H H H ILI LI An TET m 9 8 8 I Lil Press LOW to set the LO Low percentage limit Use the Left and Right arrow keys to a gt select a digit The selected digit will flash Baig LI LI um Use the Up and Down arrow keys to edit the value of the selected digit CU A a oa Press ENTER to confirm the eR setting Save Compare Settings Background 1 Select Save mode 28 The save function saves the Normal High and Low limit settings in memory If these values are not saved the settings will be lost after exiting Compare mode Up to 20 Normal High Low settings can be saved on hu Le the GOM 802 r I L l 10 0 10 0 l the RECALL SAVE mode jH a Press the Up and Down arrow key Px to show SAVE in the main display as shown above em om BE 9 a me GY INSTEK 2 Select memory location N Note MEASUREMENT ENTER Press enter to confirm
36. sionally 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 e Location Indoor Environment e Temperature 10 C to 70 C Disposal Do not dispose this instrument as unsorted municipal ad waste Please use a separate collection facility or contact the supplier from which this instrument was purchased Please make sure discarded electrical waste is properly recycled to reduce environmental impact GW INSTEK SAFETY INSTRUCTIONS Power cord for the United Kingdom When using the GOM 802 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 eons ING THIS APPLIANCE MUST BE EARTHED IMPORTANT The wires in this lead are coloured in accordance with the following code Green Yellow Earth Blue Neutral Va Brown Live Phase As the colours of the wires in main leads may not correspond with the coloured 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 eithe
37. tion to the reading value will be significant 52 GY INSTEK Interface Handler interface Scan APPENDIX Signal START TTL input Signal LOW HIGH FAIL PASS EOT READY total 6 TTL outputs This function is valid only under the resistance measurement mode and the compare mode is enabled Signal READY PASS LOW HIGH CLOCK STRB total 6 TTL outputs This function is valid only under the resistance measurement mode and the compare mode is enabled RS 232 GPIB option IEEE488 1 1987 IEEE488 2 1992 and SCPI 1994 Environmental Operation Environment Storage temperature General Power source Accessories Dimension Weigh The Scan and Handler interface use the same connector Indoor use altitude up to 2000m Ambient Temperature 0 C to 40 C Relative Humidity 80 Maximum Installation category Il Pollution Degree 2 10 C to 70 C AC 100V 120V 220V 230V 10 50 60Hz 27VA 22W Test Lead x 1 User manual x 1 Programmable manual x 1 option Temperature sensor option x 251 W x91 H x291 D mm Approx 3 kg 33 GW INSTEK GOM 802 User Manual 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 DC Milliohm Meter Model Number GOM 802 is herewith confirmed to com
38. trigger on to allow a e as a manual trigger The secondary function will set the trigger to internal e Turns the INT SHIFT MANUAL m H Men internal trigger ON OFF Enter key The SHIFT key is used to access the secondary functions Lower Limit LI CI LI Displays the lower limit as as a LILIO Display LO percentage Upper Limit co Cl _ Displays the upper limit as a percentage Display Hl I I I Interface RMT The interface indicator shows the status Indicator aa mode of the GOM 802 Remote mode RMT Handler mode HAND or SCAN Scan mode 15 GY INSTEK GOM 802 User Manual Rear Panel Overview RS 232 GPIB Fuse AC Input aes 220 N x fo Z Q 5 o T e a A 2 D m Handler Scan port AC Input aT Fuse Socket RS 232C port HANDLER ooo 0 SCAN A 220 230 O cL 001 RS232 GPIB port Handler Scan port Temperature TC SENSOR Sensor 16 Temperature sensor input Accepts the power cord AC 100 120V ot 220 230V 50 60Hz For the power on sequence see page 18
39. ture of the sensot when the REL ALUE key was pressed K O Press the REL Tey VALUE REL rill LI Li CI ania ane Cr gt REL Indicates the Relative function is active 33 GY INSTEK GOM 802 User Manual Temperature Compensation Background 1 Select the Temperature compensation mode 2 Temperature compensation mode appears 34 If the resistance of a DUT at a particular temperature is needed the compensation function can be used This function can simulate the resistance of a DUT at a desired temperature If the ambient temperature and the temperature coefficient of the DUT are known it is possible to determine the resistance of a DUT at any temperature I RMT HI lt HAND Go l SCAN LO HI ine _ C G k y SHIFT TC EXT REL AUTO mQ Q kQ Press the Up and Down arrow keys j iw to select the TC measurement mode shown above There are three different modes oHm resistance at temperature L and E L temperature compensation mode Toda 7 Eig a eT L Edit the desired temperature and the v temperature coefficient of the DUT Use the Left and Right arrow keys to select a digit and use the Up and Down arrow keys to edit the digit Ct ow ae OT m a _I L e
40. ure function 32 The temperature measurement function uses the optional PT 100 temperature probe The measured temperature is displayed on the NORMAL display For more information on the optional PT 100 sensor see the appendix on page 48 There is only one range in when using the temperature function RMT HI HAND Go SCAN LO SHIFT TC EXT REL AU Q a kO GY INSTEK 2 Temperature mode display appears 3 Temperature mode connection MEASUREMENT Press the Up and Down arrow keys v to select the C measurement mode shown above A are three a modes onn resistance L temperature and E temperature compensation mode eee O Eeg o The temperature is displayed on the NORMAL display The temperature sensor uses the rear panel TC port for input mee N Nt OR RE W a a ee d A WARNING a INPUTS BEFORE OPENING 230 Be Relative Function Background 1 Set the Reference value 2 Relative mode display appears The Relative function can also be used with the temperature function The temperature displayed is the temperature of the sensor minus the tempera
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