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1. U U A AX RATING 16 CHANNEL 250V 2A SCANNER i oooo00 im rH gt a gt z 9 O O DISCONNE OJ POWER CORD AND CS SER NO LABEL poe ee La o A TEST LEADSQBEFORE REPLACING FUSI i OOO 00 S MAS i m ct Optional CAL Key USB Device RS 232C ruse Sio 0 315AT Communication port Port Port Port 0 125AT GU INSTEK 1 Tilt stand 2 Line voltage selection GDM 8261 Quick Start Guide POWERING UP Pull out the handle sideways and rotate it a A _ _ __ OOOO00000 i Horizontal position Ensure that the correct voltage is lined up with the arrow on the fuse cover on the rear panel 100V 120V 220V 240V 220 240 120 220 240 100 ENS EZ gt NE gt E Ove OOL OL Ocz 3 Fuse selection 4 Connect the power cord Ensure the correct fuse is installed for the line voltage selected Fuse Voltage 0 315AT 100VAC 12
2. digital I O and specifications please refer to the user manual that is supplied on the accompanying CD Power up the instrument according to the Powering Up chapter and then pick up the relevant chapter according to your needs This guide consists of the following chapters Powering Up e Basic Measurement e Voltage Current e Resistance e Diode Continuity Ftequency Period Temp e Advanced Measurement e dBm dB Max Min Relative Hold Compare Math Dual Measurement GW INSTEK INTRODUCTION Panel Overview Front pane Main Measurement Sense Lo Sense Hi Display Keys DC AC 1A Terminal Terminal overview Input Hi li GWI EK Gbm s8261 Terminal AC DC 2W4W AUTO FMS HOLD RELMIN MAX RMT i m NWA I M WA CF o w ima BN N N MN EN PA Input Lo erminal SHIFT EXIT SCAN STEP RECALL STORE MATH dBm dB SENSOR r COMP INT EXT REL FILTER MENU ZAW a DC AC 10A Terminal Power Switch Main Display AMPS Fuse Output On Off Key Holder Rear Pane Digital I O Optional Power Cord Port Scanner Port Socket Overview
3. dB 2 A em ER em dBm e Max Min o Relative Hold T Compare Math 12 GY INSTEK DUAL MEASUREMENT DUAL MEASUREMENT Dual Measurement Combinations Combinations Note 1 Connect the test leads The dual measurement mode allows you to use the 2nd display to show another item thus viewing two different measurement results at once Any of the following items can be combined together for dual measurements for example ACV Hz DCV DCI ACV DCI DCV e 2W 4W e ACI e Hz P e 2W 4W measurements in combination with other measurements are possible but may not be practical as the measurement accuracy is not guaranteed Voltage Frequency Period Resistance and Current Measurement Q 4W INPUT SENSE eeeseceececec moescececocceccceccecccecccccecc Note The above measuring configuration is used to measure the voltage present on the resistance under test and the current through the resistance under test when using the DCI DCV or ACI ACV dual measurement function 13 GY INSTEK Choose a primary measurement Choose a secondary measurement GDM 8261 Quick Start Guide Voltage and 2W 4W Resistance Frequency Period Measurement Measurement Q 4W INPUT SENSE VQ BA Follow the procedures in the Basic Page 8 measurement chapter to choose a primary measurement P he 2
4. 0VAC 0 125AT 220VAC 240VAC Connect the power cotd to the AC Voltage input 1 4 GY INSTEK 5 Press the power Push the main power switch POWERING UP switch on the front panel to turn the instrument on The display contents appear and you are ready to make measurements AC DC S M M T m r I LILITH NU LLL tt Powering up the instrument is completed GW INSTEK GDM 8261 Quick Start Guide Basic MEASUREMENT Voltage Current Measurement item DCV ACV DCI ACI 1 Connect the Voltage measurement Current measurement test leads O 10A O 1 274 2 Press the Press the measurement keys on the front panel The measurement measurement result will appear on the display key ACV DCV ACI DCI _Acv pov aci por Automatic Refresh Selected AC DC ranging rate Unit range AC DC AUTO PIPL tg LIL OUTI GW INSTEK BASIC MEASUREMENT Manual ranging To select the measurement range press the Up Down RANGE ___J For further details see the Voltage or Current section of the Basic Measurement chapter in the user manual Resistance Measurement item 2W resistance 4W resistance 1 Connect the 2W resistance 4W resistance test leads Q 4W INPUT SENSE VQ gt 2 Press the Press the measurement keys on the front panel The measurement measurement result will appear on the display key 2W resis
5. Dual Measurement Multimeter GDM 8261 QUICK START GUIDE GW INSTEK PART NO 82DM 82610Mo1 p r ISO 9001 CERTIFIED MANUFACTURER LU 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 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 R O C GW INSTEK Table of Contents Table of Contents NTFRODUCTON erich E E PEWAG E 4 Panel OveryieW eesti oai EEEE 5 POWERING UP oenen aoe E EE E E EEEE EE 6 BASIC MERSEREMEN zes oo EEE EG EGO OZ 8 WOMACS CUT CUE ae and e cO A A 8 PSG a CS rere ro AO EO PAC OP ACE 9 Diode Continuity Frequency Period Temp 10 ADVANCED MEASUREMENT cece eee eeceeceeeeeceeees 11 GUAL MEASUREMENT zac iao o A EEEE OOO 13 GW INSTEK GDM 8261 Quick Start Guide NTRODUCTION The GDM 8261 quick start guide is intended for users who are not familiar with the instrument and need a tutorial for quickly accessing its major functions For further details including parameters remote control commands the optional scanner module
6. ic advanced see page 12 2 Press the Press the measurement keys as shown below on the measurement front panel The measurement result will appear on the key display ltem Keys Descriptions dBm SHIFT EXIT dBm Shows 10 log 9 1000 Vrdg Rref dB er a B Shows dBm dBmref Max Shows the maximum reading Min Shows the minimum x 2 reading Relative peg Shows the relative value compared with the reference Hold The Hold measurement retains the current measurement data and updates it only when the reading fluctuates more than the threshold 11 GW INSTEK GDM 8261 Quick Start Guide Compare SHIFT EXIT COMP The Compare measurement checks and updates if the measurement data stays between the upper high and lower low limit specified Math _ SHIFT EXIT MATH Math measurement runs ZAW four types of mathematical operations MX B 1 X Percentage and Statistic based on the other measurement results Automatic Refresh Unit Result or Ref O ranging rate Function for dBm DC AUTO S II AA n OGOL L LIT NONII mn ee a m o aa V LIL IL hex e For further details see the Advanced Measurement chapter in the user manual Please see the Advanced Measurement chapter for operation details Basic Advanced Measurement Combinations Advanced Basic Measurement Measurement AC DCV AC JDCI 2 4W Hz P TEMP Fie gt
7. nd key then th item example ACV The display 22 updates the measurement result example ACI ACV Primary Mode secondary Measurement indicator r e 10364 AMUIINIE oo LIL LILI I lt IND For further details see the Dual Measurement chapter in the user manual 14
8. tance 4W resistance x 2 twice 2W 4W Automatic Refresh Unit Selected ranging rate range hn FF on imi LILI UL IIL Manual ranging To select the measurement range press the Up Down l RANGE ___J For further details see the Resistance section of the Basic Measurement chapter in the user manual GW INSTEK GDM 8261 Quick Start Guide Diode Continuity Frequency Period lemp Measurement item Diode test Continuity test Frequency Period Temperature 1 Connect the Diode Continuity Temperature 4W RTD test leads Frequency Period Temperature 2W RID Thermocouple 2 Press the Press the measurement keys on the front panel For measurement Continuity Period and Temp F press the same key key twice The measurement result will appear on the display Diode Continuity Frequency 1 21 Hz P 9 twieej Period Temp C Temp F CaF twice TEMP CZ twice Function sensor type for temperature Automatic ranging Refresh freq and period only ia Unit A U r ry fii Lt tL t tht t For further details see the Diode Continuity Frequency Period Temperature section of the Basic Measurement chapter in the user manual 10 GW INSTEK ADVANCED MEASUREMENT ADVANCED MEASUREMENT Measurement item dBm dB Max Min Relative Hold Compare Math 1 Make a basic Follow the procedures in the Basic measurement measurement chapter page 8 For measurement combinations bas

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