background image

  

BASIC 

MEASUREMENT 

   33 

Continuity Test

 

 

Background 

Continuity test checks that the resistance in the DUT is 
low enough to be considered continuous (of  conductive 

nature). 

1. Activate 
continuity test 

Press the 

 key twice. 

 

 

2. Continuity 
mode display 
appears 

 

 

 + 

 

Indicates Continuity test 

 

CONT 

2nd display shows the title 

3. Connect the 
test lead and 
measure 

Connect the test lead between the V 

and the COM port. The display 
updates the reading. 

COM

 

 

 

GDM-8200 Series User Manual 

34 

Set continuity threshold 

 

Background 

Continuity threshold defines the maximum resistance 
allowed in the DUT when testing the continuity. 

Threshold Range 

0 ~ 1000

, 1

 resolution, 10

 default 

1. Activate 
threshold setting 

1.

 

Press the Shift key, the 2ND

 

key, 

the Right key. The measurement 
menu appears. 

 

 

 

 

 

2.

 

Press the Down key, the Right 

key, the Enter key. The 
continuity threshold setting 

appears. 

 

 

 

 

2. Edit threshold 

1.

 

Move the cursor (the flashing 
digit) using the Left/Right key. 

 

 

2.

 

Change the value using the 

Up/Down key. 

 

  

Range: 

1 ~ 1000

, 1

 resolution, default 10

 

3. Go back to the 
default display 

Press the Enter key to confirm the 
edited threshold. Press the Exit key 

to go back to the default display. 

 

Содержание GDM-8251

Страница 1: ...ual 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 W...

Страница 2: ...easurement 43 Max Min Measurement 45 Relative Value Measurement 46 Hold Measurement 48 Compare Measurement 49 Math Measurement 52 Dual Display Measurement 56 SYSTEM DISPLAY CONFIGURATION 57 Refresh Ra...

Страница 3: ...r 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 GDM 8200 series unless you are q...

Страница 4: ...0 Series User Manual 8 Power cord for the United Kingdom When using GDM 8200 series in the United Kingdom make sure the power cord meets the following safety instructions NOTE This lead appliance must...

Страница 5: ...Lineup 10 GDM 8200 Series Characteristics 11 Panel Overview Front Panel Overview 12 Measurement keys Upper row 13 Measurement keys Lower row 15 Rear Panel Overview 17 Setup Tilt Stand 19 Power Up 20 G...

Страница 6: ...input 4W sense input USB host RS232 GPIB optional for remote control 9 pin digital I O 16 channel scanner x2 optional Optional Items GPIB module 16 channel scanner x 2 GDM 8200 Series User Manual 12 F...

Страница 7: ...ltage page24 SHIFT ACV SCAN Starts the optional scan measurement page76 DCV Measures DC Voltage page24 GDM 8200 Series User Manual 14 SHIFT DCV STEP Starts the step measurement page76 using the option...

Страница 8: ...trigger source page59 Left Right Selects the parameter in various occasions left or right REL Measures the Relative value page46 SHIFT REL RELative base Manually sets the reference value for the Relat...

Страница 9: ...pts a USB host cable for remote control Type A male connector For remote control details see page91 CAL key port CAL KEY Reserved for internal uses as in firmware update and calibration GDM 8200 Serie...

Страница 10: ...nual 20 Power Up Power up steps 1 Connect the power cord to the AC Voltage input Note Make sure the ground connector of the power cord is connected to a safety ground This will affect the measurement...

Страница 11: ...ser Manual 22 Basic Measurement Overview Background Basic measurement refers to the eight types of measurements assigned to the upper row keys on the front panel Measurement type ACV AC Voltage DCV DC...

Страница 12: ...anually GDM 8200 Series User Manual 24 AC DC AC DC Voltage Measurement Voltage type AC true RMS 0 750V DC 0 1000V AC DC 0 1000V AC RMS 2 DC 2 AC DC 1 Activate ACV DCV Press the ACV AC Voltage key or D...

Страница 13: ...0V 199 999V 750V AC 10mV 750 0V 750 0V 1000V DC AC DC 10mV 1000 0V 1000 0V Note For more detailed parameters see the specification at page109 GDM 8200 Series User Manual 26 Voltage conversion table Th...

Страница 14: ...Mixed frequencies 1 414 2 0 SCR output 100 10 1 414 3 0 White noise 3 0 4 0 AC Coupled pulse train 3 0 Spike 9 0 GDM 8200 Series User Manual 28 AC DC AC DC Current Measurement Current type AC true RM...

Страница 15: ...pe 2 wire Uses the standard V COM ports Recommended for measuring resistances larger than 1k 4 wire Compensates the test lead effect using the 4W compensation ports in addition to the standard V COM p...

Страница 16: ...k 120 000k 199 999k 1M 1 20000M 1 99999M 10M 12 0000M 19 9999M 100M 120 000M 199 999M Note For more detailed range see the specification at page112 GDM 8200 Series User Manual 32 Diode Test Background...

Страница 17: ...ontinuity threshold Background Continuity threshold defines the maximum resistance allowed in the DUT when testing the continuity Threshold Range 0 1000 1 resolution 10 default 1 Activate threshold se...

Страница 18: ...Right key Beeper type Pass beep when pass Fail beep when fail default Off beep off 3 Go back to the default display Press the Enter key to confirm Press the Exit key to go back to the default display...

Страница 19: ...updates the reading V COM Range 0 300 C GDM 8200 Series User Manual 38 Select thermocouple type Background GDM 8200 series assumes that a certain type of thermocouple which reads voltage fluctuation...

Страница 20: ...display 2 Edit reference temperature Use the Left Right key to move the cursor and use the Up Down key to change the value Default 23 00 Press the Enter key to confirm the value or the Exit key to can...

Страница 21: ...n selecting the refresh rate Range S 5 digits M 4 digits F 3 digits Selection step 1 Press the Shift key followed by the AUTO RATE key The refresh rate switches to the next GDM 8200 Series User Manual...

Страница 22: ...ance press the Up Down key The new impedance appears in the 2nd display The following is the impedance list 2 4 8 16 50 75 93 110 124 125 135 150 250 300 500 600 800 900 1000 1200 8000 GDM 8200 Series...

Страница 23: ...elative 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 Relative measurement Press the REL...

Страница 24: ...when the reading fluctuates more than the threshold setting as the percentage of the retained data 1 Activate Hold measurement Press the HOLD key 2 Hold measurement display appears HOLD Indicates Hold...

Страница 25: ...setting digits and decimal point 2 Change the parameter using the Up Down key 3 Press the ENTER key to confirm editing and move to the low limit setting GDM 8200 Series User Manual 50 3 Low limit sett...

Страница 26: ...measurement press the Shift key followed by the HOLD Comp key or simply activate another measurement GDM 8200 Series User Manual 52 Math Measurement Applicable to Background Math measurement runs thr...

Страница 27: ...B 1st display Shows the calculated result 2nd display Indicates MX B MATH Indicates Math operation GDM 8200 Series User Manual 54 Measure 1 X 1 Activate 1 X Press the Shift key the 2 4W Math key the D...

Страница 28: ...how another item thus viewing two different measurement results at once The following table shows the available options 1st Display 2nd Display ACV DCV ACI DCI Hz P ACV DCV ACV DCV ACI DCI ACI DCI 2W...

Страница 29: ...es User Manual 58 Refresh Rate Setting Background Refresh rate defines how frequently GDM 8200 series captures and updates the measurement data Faster refresh yields better accuracy but lower resoluti...

Страница 30: ...EOM Out VCC Out NC COM External Trigger In PASS Out Pin4 External Trigger Input pin GDM 8200 Series User Manual 60 1 Activate external trigger Press the Shift key followed by the TRIG key The EXT ind...

Страница 31: ...s the averaging method The following diagrams show the filter difference as an example of averaging 4 samples per reading Moving default Moving filter takes in one new sample and discards the oldest s...

Страница 32: ...al 64 Display Light Setting Background Display light setting adjusts the brightness of the display reading Use level 3 or more brighter when working indoor use level 2 or 1 darker when working outdoor...

Страница 33: ...nge the data count using the Up Down key GDM 8200 Series User Manual 66 3 Press the Enter key to confirm editing and to go back to the previous display STO Indicates the measurement history is stored...

Страница 34: ...lay ON Light level 3 5 digit Beep ON when Pass Scan Min 101 Max 116 Count 16 Timer 10ms RS 232C Baud 115200 GPIB Address 8 GDM 8200 Series User Manual 68 SCANNER OPTIONAL The scanner lets you effectiv...

Страница 35: ...ight row Current ACI DCI measurement uses 2 extra channels All channels are fully isolated Hi and Lo Scan Step connection Refer to the below table for measurement and test line connection Item No of w...

Страница 36: ...1 218 CH101 118 CH201 218 GDM 8200 Series User Manual 72 Connect wire Wire selection Make sure the wires have at least the same Voltage and Current capacity as the maximum ratings in the measurement C...

Страница 37: ...Off and take off the power cord GDM 8200 Series User Manual 74 Open GDM 8200 series rear panel slot Take off the two screws on the slot corners to remove the optional slot cover Keep the screws for l...

Страница 38: ...ts 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 Continuous GDM 8200 s...

Страница 39: ...aximum channel setting appears GDM 8200 Series User Manual 78 6 Move the cursor to the channel using the Left Right key and change the value using the Up Down key Range 101 118 201 218 must be the sam...

Страница 40: ...ppears GDM 8200 Series User Manual 80 Range 1 128 6 Move the cursor to the channel using the Left Right key and change the value using the Up Down key 7 When finished press the ENTER key The channel s...

Страница 41: ...r timing Exit external trigger Press the Shift key followed by the TRIG key The EXT indicator disappears and the trigger goes back to the internal mode GDM 8200 Series User Manual 82 Run Scan Overview...

Страница 42: ...un monitoring Panel operation 1 Press the Shift key the 2ND key MENU the Left key twice The Scan menu appears 2 Press the Down key followed by the Left key The Monitor Scan setting menu appears GDM 82...

Страница 43: ...2 3 4 5 6 7 8 9 FAIL Out HIGH Limit FAIL Out LOW Limit FAIL Out EOM Out VCC Out NC COM External Trigger In PASS Out Pin1 VCC output 5V Serves as the power source for the external device logic Pin2 NC...

Страница 44: ...limit setting GDM 8200 Series User Manual 88 4 Set the low limit in the same way as in the high limit Press the ENTER key to confirm editing The compare measurement starts right away 4 Compare measur...

Страница 45: ...G key to start triggering manually The indicator turns On Reading indicator The reading indicator stays On before triggering After triggering the indicator flashes according to the external signal tri...

Страница 46: ...enu appears 2 Press the Down key The USB selection display appears 3 Press the ENTER key to confirm USB selection GDM 8200 Series User Manual 92 4 Connect the USB cable to the rear panel terminal uppe...

Страница 47: ...ent GPIB address 0 31 GDM 8200 Series User Manual 94 4 Move the cursor using the Left Right key Change the value using the Up Down key GPIB address 0 31 5 Press the ENTER key to confirm GPIB and addre...

Страница 48: ...Last data byte with END message only for GPIB connection Message Separator semicolon Command separator GDM 8200 Series User Manual 96 Command Set Commands are non case sensitive Underline means a sing...

Страница 49: ...e to J sens temp tco type Returns thermocouple type Parameter j type J k type K t type T sens temp rjun sim Set temperature simulation value Parameter NR2 Example sens temp rjun sim_23 GDM 8200 Series...

Страница 50: ...ent 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 calc mat...

Страница 51: ...ls 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 100000...

Страница 52: ...nf2 curr ac_10e 3 AC Current 10mA range conf2 res Configure 2nd display to 2W Resistance Parameter NR2 min max Example conf2 res_10e2 2W Resistance 1k range conf2 fres Configure 2nd display to 4W Resi...

Страница 53: ...result Shows the result of power on internal self test Firmware version Shows GDM 8200 series firmware version number View self test result 1 Press the Shift key followed by the 2ND Menu key The syste...

Страница 54: ...wer cord and remove the fuse socket using a minus driver 2 Replace the fuse in the holder Rating T3 15A 250V GDM 8200 Series User Manual 108 Replace input current fuse Step 1 Press the Fuse holder 2 T...

Страница 55: ...l Scale 8255 Accuracy 100 000mV 1 V 120 000mV 199 999mV 0 012 8 1 00000V 10 V 1 20000V 1 99999V 0 012 5 10 0000V 100 V 12 0000V 19 9999V 0 012 5 100 000V 1mV 120 000V 199 999V 0 012 5 S 1000 00V 10mV...

Страница 56: ...10 00A 10mA 10 00A 10 00A 0 2 2 GDM 8200 Series User Manual 112 AC Current Note mA range protected with a 100mA fuse 10A range protected with a 12A 600V fuse 10A range specification is verified for 5k...

Страница 57: ...120 000M 199 999M 3 0 8 100 00 120 00 199 99 0 05 5 1 0000k 1 2000k 1 9999k 0 05 3 10 000k 12 000k 19 999k 0 05 3 100 00k 120 00k 199 99k 0 05 3 1 0000M 1 2000M 1 9999M 0 05 3 10 000M 12 000M 19 999M...

Страница 58: ...ients EN 61000 4 4 2004 Surge Immunity EN 61000 4 5 1995 A1 2001 Conducted Susceptibility EN 61000 4 6 1996 A1 2001 Power Frequency Magnetic Field EN 61000 4 8 1993 A1 2001 Voltage Dip Interruption EN...

Страница 59: ...setting 30 specification 112 113 RS 232C configuration 92 S safety instruction fuse 6 power supply 6 symbol 5 scan operation front panel key 13 step operation 82 scanner command set 102 get out of sc...

Отзывы: