USER MANUAL IN PDF - Extech Instruments
Contents
1. SCOPE SETUP INPUT A INPUT B m DC n AC m DC pn AC VERTICAL MODE o CHA o CHB m A amp B HORIZONTAL MODE m NORM o ROLL MEASUREMENTS A 8 DCV ocACV 5nOHM uBZ pn HZ o RPM o PAN o DTY Set Exit Ku Press OJO to Highlight Hz n Hz F3 Set FA Exit Observe that Hz is now the main reading Holding freezing the display screen You can freeze the screen all readings and waveforms at any time Default Command Menu Display Awt B Mem Hold Fi F2 F3 F4 F4 Freeze the screen Highlighted Hold appears at the bottom of the Command Menu area F4 Resume your measurement 19 381295A V2 0V 12 07 Changing the Graphic Representation Changing the vertical division DIV Open the Command Menu Aldiv B div H div Exit F1 F2 F3 F4 F1 or F2 Change the vertical division CH A or CH B 4h Increase the vertical division Div is changed to manual mode W Decrease the vertical division Div is changed to manual mode or b Change Div from Manual mode to AUTO mode Changing the Time Base DIV Open the Command Menu Aldiv B div H div Exit F1 F2 F3 F4 F3 Change the Horizontal division Aldiv B div H div Exit F1 F2 F3 F4 Increase the number of periods Div is changed to manual mode W Decrease the number of periods Div is changed to manual mode 4 or b Change Div from Manual mode to AUTO mode 20 381295A V2 0V 12 07 Acquiring the Waveform FUNC Open the F2. Tmode Exit Trigger Point Indicator rigger Level Indicator 381295A V2 0V 12 07 Quick Start Function key map SCOPE SETUP P lt ar Mem Hold INPUT A B DC AC INPUT B DC MAC setup ET gt Set Up CHA OCHB W A amp B HORIZONTAL MODE E NORM ROLL R DCV HZ L1 det Exit 1 Press FUNC to display the FUNCtion default menu 2 Press F1 for SCOPE SETUP 3 Press F2 for General SETUP Press F4 to exit OHM P W BEEPER W ON OFF AUTOPOWER OFF 15 min 45 min 2400 E 9600 CONTRAST Set Exit 381295A V2 0V 12 07 Specifications General Specifications Operational Temperature Operational Relative Humidity Storage conditions Temperature Coefficient Max Voltage Input and Ground Basic DC Accuracy Scope Bandwidth MultiMeter AC Bandwidth Power Supply Battery Life Battery Charge Time AC Adaptor Charger Display Type Equipment Dimensions Equipment Weight Safety 32 F to 122 F 0 C to 50 C lt 75 4 F to 140 F 20 C to 60 C lt 75 RH 0 1 x Specified Accuracy per C for temperature lt 64 4 F 18 C to gt 82 4 F 28 C DC or AC 600Vrms 0 3 5 MHz 20 kHz Li ION Battery 3 7V 4 Hours with Backlight OFF
3. 3 Hours with Backlight ON 3 Hours approx Class 2 transformer Input 120 240V AC 50 60Hz Output 5V DC 1A Super Twist 132 x 128 pixels 3 5 90mm width x 7 7 195mm depth x 1 6 40mm height 1 0 Ibs 460g approx For indoor use and in accordance with the requirements for double insulation to IEC 1010 1 1995 EN61010 1 1995 Overvoltage Category Ill 600V Pollution Degree 2 10 381295A V2 0V 12 07 Oscilloscope Function Horizontal 25 MS s Dual CH mode 50 MS s Single CH mode 512 single shot mode 256 in all modes Sample Rate Record Length Sample Division 25 Modes Single shot Roll Normal Accuracy 0 01 Sweep Rate 1uS to 5S in 1 2 5 sequence Vertical Bandwidth SMHz Resolution 8 Bit Channels Dual Coupling AC DC Input impedance 1 MO Accuracy 3 reading 0 1 x range 0 reference at center scale Max Input Volts DC or AC 600Vrms PST e ent somVtoSoVint2 5seqeme O OO Triggering Type CHA CHB External Coupling AC DC Slope Rising 1 or Falling 4 edge TEE 2 20 Division Waveform Memor Waveform Memory 16 Screen shots 11 381295A V2 0V 12 07 Digital MultiMeter Function The following specifications apply to the LCD readout in the upper left portion of the display not the graphical display DC V Scope DMM VIDiv Range Resolut
4. Continuity frequency and RPM measurements CHB Channel B When measuring two signals use channel B and channel A EXT TRIG External trigger 17 381295A V2 0V 12 07 Operation Powering the METER Follow the steps below to power the Meter from a standard ac outlet 1 Insert Power Adaptor into AC outlet 2 Connect the Power Adaptor to the Meter 3 1 O Turn the Meter on by holding this button for about 3 seconds 4 The meter powers up configured as it was at last power down Changing Backlight 1 Press ae Backlight ON 2 Press X Backlight OFF Note Using the meter without the backlight increases battery life by 1 hour approximately Selecting items in a Menu Press FUNC to open the FUNCTION menu Scope SetUp Exit F1 F2 F3 F4 Press F1 to open the Scope Setup menu SCOPE SETUP INPUT A INPUT B m DC pn AC m DC pn AC VERTICAL MODE o CHA o CHB m A amp B HORIZONTAL MODE m NORM o ROLL MEASUREMENTS A e DCV ocACV oGOHM uBZ pn HZ o RPM o PAN o DTY Set Exit F1 F2 F3 F4 KO Use the OJO arrow keys to highlight an item Press F3 to select an item Press F4 to Exit 18 381295A V2 0V 12 07 Frequency measurement for CHA Plug the black test lead into the COM input jack and plug the red test lead into the CHA input jack Press FUNC to open the FUNCTION menu Scope SetUp Exit FI F2 F3 F4 Press F1 to open the Scope Setup menu
5. Meter does not trigger if the trigger level is set above or below the waveform level e In Auto AT mode the trigger level does not have to be adjusted e In rare cases the instrument may require servicing There are no internal user serviceable parts 30 381295A V2 0V 12 07 Warranty Repair and Technical Support Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies to sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The
6. functions change with each screen 2 Four arrow keys These keys serve as the primary means of navigating the instrument s menus and operating displays 3 Help key General information for the meter is available with a press of this key 4 Display back light Press this button to turn on the backlight To turn the back light off press this button again 4 381295A V2 0V 12 07 Quick Start Primary Menu Map Abe Hem Hold Default Menu ow FERRI B diu Hediw Exit Division Menu IPEA Singi Tmode Exit Trigger Menu Scope Setup Meter Setup Function Menu Positioning the Waveform on the Screen 1 Pressing amp moves the waveform up 2 Pressing moves the waveform down 3 Pressing moves the waveform left 4 Pressing moves the waveform right 5 381295A V2 0V 12 07 Quick Start Division key map 5MHz Dual Channel True RMS MultiScope 381295 OO cca SJ ORE AO civ AH Ardin B div PEERI Eit H diu Exit 1 Pressing DIV calls up the default division menu 2 Press F2 to control the Channel B Vertical Division 3 Press F3 to change the Horizontal Division 4 Press F4 to exit 381295A V2 0V Quick Start Changing Vertical A div or B div division 1 Pressing Z increases CHA vertical division A div 2 Pressing W decreases CHA vertical division j Aad B w i
7. z my We fim uti BE Sa Wait 3 Pressing 4 Or b Will EXT CH 381295A change Div from 6 C6 MANUAL to AUTO A EN BIC True RMS 381295 KOROR A A A L CRB ew ju CAT Ill 5MHz Dual Channe Changing Horizontal division 1 Pressing 46 increases Horizontal division H div 2 Pressing v t 816 u decreases Horizontal m division H div 3 Pressing or will change Div from Ww e E MOM UE boss mE MANUAL to AUTO A ins us T s ava INSTRUMENTS PEA a EO DS Dual Channel True RMS a 381295 0 xis A COM CHA CAT Ii vay Boa H TE Ee fdin B d 12 600V M 7 381295A V2 0V 12 07 Quick Start Trigger key map 1 Press TRIG to display the TRIGGER default menu 2 Press F2 for Single shot mode 3 Press F3 for TRIGGER SETUP 4 Press F4 to exit Trigger level control EXTECH INSTRUMENTS Lt CO a gt 3 TO LU uo ec 5MHz Dual Channel True RMS MultiScope 381295 1 Pressing 46 increases the Trigger level 2 Pressing V decreases the Trigger level 9 9 A A A CH com EXT TRIG Ls 00V MAX B dU iS 5MHz Dual Channel True RMS MultiScope 381295 o Sing Tmode Exit TLS Tmode Exit 2 TRIGGER SETUP SOURCE SLOPE ECHA E EXT IL TRIGGER MODE AUTO E NOR 3
8. 3 2 9 12 10 11 13 LCD Display 1 Indicator HOLD Freezes displayed reading REMOTE USB PC interface indicator BACKLIGHT X Backlight indicator Charging LINE V Charging Battery indicator BATTERY IES ow battery indicator BUZZER Hill Buzzer indicator 2 Primary Numerical Field DMM Function Displays numerical readings 3 Trigger selection Channel A B and External 3 1 Trigger level indicator 3 2 Trigger Cursor 4 Trigger Slope Rising or Falling edge 5 Trigger mode Normal or AUTO 6 Channel mode status Verticle mode CHA CHB A amp B Horizontal mode Normal Roll 7 Memory Address 0 to 15 8 Live Scope Display Channel A Displays real time waveforms and freezes held captures 9 Channel B 10 Channel A Vertical Division 11 Channel B Vertical Division 12 Horizontal Division Time base 13 Command Menu Field 14 381295A V2 0V 12 07 Keys Area EXE D a gt GP ia OC g 20 165 unc 21 14 LF4 commana Menu keys The F1 F4 soft keys functions change with each display screen Aldv B dv H dv Exit Ox Arrow keys Use the arrow keys to highlight an item 4 Press to move the cursor upward This button also increases the value of a selection W press to move the cursor downward This button also decreases the value of a selection Move the cursor to the left with this button Pressing this button changes Vertical division or horizontal div
9. Menu Single shot 8 Command Menu Trigger mode Setup Setting Trigger level on NORmal trigger mode TRIG Open the Trigger menu Fi F2 F3 F4 W Adjust the Trigger Level continuously Observe the horizontal trigger icon on the rightmost time division line F4 Exit 22 381295A V2 0V 12 07 Making a single acquisition To catch single events perform a single shot One time screen update To set up the Meter for a single shot on the input Channel A waveform Connect the probe to the signal to be measured TRIG Open the Trigger menu PE F2 Highlight Singl SINGLE SHOT PE Meter performs a single shot One time screen update F2 Return to normal Trigger mode Setting Trigger mode Tmode TRIG Open the Trigger menu PE F3 Open the Trigger Setup Exit Exit Exit TRIGGER SETUP SOURCE SLOPE CHA o CHB o F o EXT ut TRIGGER MODE o AUTO m NOR Set Exit F1 F2 F3 F4 a gt OO Highlight an ITEM F3 Set the ITEM FA Exit 23 381295A V2 0V 12 07 Setting AUTO Trigger Level For fast trigger operation use the AUTO trigger mode to trigger on nearly all signals automatically To optimize the trigger slope manually F3 Open the Trigger Setup TRIGGER SETUP SOURCE SLOPE CHA o CHB o f o EXT nt TRIGGER MODE o AUTO m NOR Set Exit F1 F2 F3 F4 ey 5 Highlight AUTO F3 Set AUTO F4 Exit Setting Normal Trigger mo
10. UNCTION menu Scope SetUp Exit LED F2 F3 F4 j F1 Open the Scope Setup menu SCOPE SETUP INPUT A INPUT B m DC pn AC m DC pn AC VERTICAL MODE o CHA o CHB m A amp B HORIZONTAL MODE m NORM o ROLL MEASUREMENTS A e DCV oACV 5nOHM uBZ pn HZ o RPM o PAN o DTY Set Exit F1 F2 F3 F4 Recording Slow Signals over a Long Period of Time JEO Highlight ROLL MODE F3 Set ROLL MODE F4 Exit The roll mode function supplies a visual log of waveform activity and is especially useful when measuring lower frequency waveforms Note ROLL MODE operates when the horizontal division is between 1s and 5s Selecting AC Coupling for INPUT A ae OO Highlight AC for INPUT A F3 SET F4 Exit 21 381295A V2 0V 12 07 Triggering on a Waveform Triggering tells the Meter when to begin displaying a waveform The instructions that follow explain how to Select a Channel Select rising or falling edge on which to trigger e Define the condition for a new update of the waveform The display icons on the top line right side of the LCD identify the trigger parameters currently used Trigger icons on the screen indicate the trigger level and slope 1 Trigger Channel Channel A or B 2 Slope rising or falling 3 Trigger mode Trigger setting mode Auto or Normal 4 Trigger Level indicator 5 Trigger Cursor 6 Command Menu Trigger level HOLD REMOTE 7 Command
11. User Manual EXTECH INSTRUMENTS Model 381295A 5MHz Dual Channel True RMS Handheld Oscilloscope RAU H lt 01uB 01u H lt d1u Exit me 381295A INSTRUMENTS u Crs Cra Fi Ji RO TRIG 4 FUNG SMHz Dual Channel True RMS MultiScope COM CHA 600V MAX Ls c l CHB 600V L 600V j MAX CATIN 600V tii Table of Contents 2 381295A V2 0V Tsis e Ls a nm 2 Mall E Satu T 3 crine 3 i i PRECAUTIONS ER T ET 3 Safely SVInbols 5 exhi eaa aree cashed a POP ca Ra fe dat d ref Ra ite oa s A 3 Quick Start Manual roce en ned Dri ek ieu aa ve eve Ec Us 4 Poweron and Eo NE ETT UU T bedeiiet 4 Division Trigger and Function key esse ee ee eee eee 4 Tis OZ sila eno ei testo tis n admet Raa ones 4 Command F1 F4 Arrow Backlight and Help Kev eee eee 4 Piman Menu Map tinere fadcund sax eda beds dera a ard dra ener eb eeu sd 5 Positioning the waveform on the Screen ee ee ee ee 5 DIVISION KEY MAD arera a QUO Reda Cada A da ORE E Psi Cod Drawn ARS 6 Changing Vertical A div or B div division sss eee eee 7 Changing FOoHZoLbtal iVviISIOLL s eade tumite tte teacuries de hodie h datei d tei ated ioa ia 7 THOGEr KEV AAD e T xp PUE M 8 Tagger IG VE CONMOl EE 8 FUNGCHOM KEY Ie Dion isncacsss deed v
12. a t re Ra i etd end 25 SONG S ChE GIL acc E a cho edel bore uot ed uk L o encte tU e oid bert adu qebc 25 FRECAIINNGS SCIEC DNE TS TTE TS 25 PC Interface SoItWaL6e ooi eii cea cet ceca o See equo RO Ce CER Edd 26 Maintaining the Meter ee eere eere 28 Battery Replacement eee ee eee 28 ADpendICBS iioii iip Eae Eier tiene rie euo aaa airaa aaia 30 Troubleshooting gulde uo oe ore Ren tod oder P Fe pre qut X I EP cobi voor o aE EE 30 Warranty Repair and Technical Support 31 12 07 Introduction Main Features Rechargeable batteries and AC Adaptor Model 3812954 120 240V 50 60Hz USB PC interface for viewing saving and printing measurement and waveform data Dual Channel operation plus Auto Calibration features Automatic settings for horizontal and vertical divisions DC to 5MHz bandwidth Built in auto ranging True RMS digital MultiMeter Auto ranging Data hold and run modes Backlit display with Low battery indication Display Type Super Twist 132 x 128 pixels Designed to comply with safety standards UL3111 and CSA C22 2 No 1010 1 Safety Attention Carefully read the following safety information before using this instrument Safety Precautions Specific warning and caution statements where they apply will be found throughout the manual A Caution identifies conditions and actions that may damage the instrument A Wa
13. both at the source and at the meter Loosen the screws with a screwdriver Lift the rear cover away from the Meter Take the battery pack out of the battery compartment Remove the battery plug from the connector Install a new battery pack Reinstall the rear cover and secure the screws l O Gn E GKM A 28 381295A V2 0V 12 07 Replacing the Battery 29 381295A V2 0V 12 07 Appendices Troubleshooting guide If you experience a problem with the meter try the corrective actions below before concluding that the instrument needs repair 1 Make sure you are using a fresh LI ION battery pack or fully charged rechargeable battery pack If you are using the AC DC power adapter make sure the adapter is plugged into an appropriate live power source 2 If the buttons do not respond or the contrast is set such that the display is unreadable remove the power source while the instrument is on Wait 15 minutes and then restore power and retry 3 If you still experience difficulty check your connections and reread this instruction manual 4 If the meter s display is frozen when trying to control the trigger level In normal NOR mode the trigger level must be the same level as the waveform The
14. de a gt ORR Highlight NOR F3 Set NOR F4 Exit W Adjust the Trigger Level continuously Observe the horizontal trigger icon on the rightmost time division line 24 381295A V2 0V Setting Trigger Slope a gt SLI Highlight or t F3 Set T or L FA Exit I or TL Trigger on either positive Slope or negative Slope of the chosen waveform Storing and Recalling Screens The meter can store setups and waveforms to memory for later recall Sixteen 0 15 setup and waveform memories are available Storing a Screen A 6 16 U F3 Open the memory Mem menu Mode VAEB Sto Rel Exit Memory field M 00 appears at the top right corner of the display area W Select the memory address where the screen is A il B il to be stored F1 Store the actual screen shea Ese Mem Hold Recalling Screen HOLD REMOTE H 1H Fl F3 Open the memory menu E Sto Rel Exit F2 F3 F4 Memory field M 00 appears at the top right corner of the display area MM YM select the memory address from which to H 1U recall the screen Miui G Singil Tmode Exit Recall the screen 25 381295A V2 0V 12 07 PC Interface Software Introduction With the Meter connected to a PC measurements can be viewed on the computer screen as they are taken Graphical scope data can be viewed The PC interface also allows the meter to be remotely controlled using the on screen virtual push buttons Installing the HID Dev
15. ice 1 Connect the meter to the pc with the supplied cable by plugging the mini plug into the interface port on the top of the meter and the USB connector into a port on the pc 2 Press the I O key for 2 to 3 seconds to turn the unit on 3 he Windows operating system displays Found New Hardware and automatically installs the Human Interface Device HID driver HIDs do not require a custom USB driver Support for HIDs is built into Windows Application Software Installation 1 Insert the HandyScope software CD into the CD ROM drive of your PC 2 Auto Run or double click on the program Setup exe 3 Follow the on screen instructions Application Software Operation 1 Connect the meter to the pc using the supplied cable 2 Turn the meter on 3 Click on the program icon to launch the program 4 The opening window will appear 5SMHz Dual Channel MultiScope 5 NV wl lo Scope Screen Print LINK LoggerSCOPE MemPage 4 o0 pj Load File frie name Save Loss USB HID Connected 12 11 2007 317 PM Click on LINK 1 to begin communication Set the sampling rate 2 0 001 to 9999 Click START 3 to display the waveform Click SCREEN PRINT 4 to print the waveform p xc L 26 381295A V2 0V 12 07 Horizontal Sweep and Trigger Controls Source Trigger source Channel A Channel B External Horiz amp Triqge or slope Signal or Auto DIV Lvi Source Lvl Trigger level Div A or V time per divisi
16. iiwkcct swans tenance tena lpaned vara et iade eeu ise OE AEE 9 Telo Ue eT cite ER T 10 General Specifications see ee ee ee eee 10 Oscilloscope Tee QE EE LEUTEN 11 Digital Multimeter FUNCIONS ouo ee negent Us ea ecu Uie rete Se iahiae wari a eaea 12 Produe t DescrIDUOTDI niii des io cob quus s sica va deua etes ous duo Eu vob de ve Ue a eow s 14 Re ST ascii eine ccs Renae E EE EEEE A E EE EE E E 14 KEYS ACO anr nE Sa a a O T A E E E 15 Terminal Alea aa Daasecaueadaak 17 Opera TIGI 4 a a HHE EE 18 Powering the Meter didt ce OE c aa a o tac oc Lada Olena laut ouabain 18 Changing H S aale eeren peiie naie ARESE PERRE RAEES EREN AARE PERAE 18 Making Selections in a Menu sse eee eee eee eee 18 Frequency measurements for CHA ee ee eee 19 SEATTLE 19 Changing the Graphic Representation sse ee ee 20 Acquiring the Waveform sss sese eee eee eee ee 21 Thggeriridg oh Waveform aces css ueber E pvo dse YE UFU EEA Tertia DP FRUUA An 22 Setting Trigger level on NORmal trigger mode sss eee eee 22 Making a single acquisition ee eee 23 Setting Trigger mode Tmode sciens eorr eee eee 23 setting AUTO Trigger EeVel oco tenet o Et Ra ere PEINE e VE PIE Rel x Vea acu TENE VL RUE 24 Setting Normal Trigger mode sese eee eee eee 24 Seld PHGGS SIO DC ve mreana cuz vci ahlibadicoux sta rut obla d dun sonat dust bad aHa re ua d 25 Storing and Recalling Screens iae tas ene Rime aaa e e na
17. ion Accuracy Impedance 50m 0 1 0 2 500mV 0 1mV 0 5 1 2 5V 0 001V 0 3 3 5 10 20 50V 0 01V 1 MO 50 100 200 500V 0 1V 0 5 5 500 1000V 0 1V AC V Scope DMM Accuracy Hz VIDiv EC Resol Imped g 50 450 0 45k 5k 5k 20k 50m 0 1 0 2 300mV 0 1mV 0 5 1 2 3V 0 001V 8 59695 5 10 20 30V 0 01V 0 75 5 2 5 1 MO 50 100 200 300V 0 1V 500 750V 0 1V N A OHM Scope DMM R E Div ange Resolution Accuracy Over Load Protection 1 kO 5 KQ 0 001 KQ 10 kQ 50 kQ 0 01 KQ 0 5 5 600V DC or 100 kQ 500 kQ 0 1 kQ AC rms 1 MO 5 MO 0 001 MO 0 75 10 Continuity Buzzer Test Voltage Threshold Over Load Protection 1 7V 100 digits 600V DC or AC rms 12 381295A V2 0V 12 07 Frequency Range Resolution Accuracy Overload protection 100 Hz 0 01 Hz 1 kHz 0 0001 kHz 10 kHz 0 001kHz 100 kHz 0 01kHz e or AC e 1 MHz 0 0001MHz 10 MHz 0 001MHz The guaranteed range is below 5 MHz RPM Range Resolution Accuracy 0 9 999 1 RPM 0 05 5 Pulse Width Range 2uS 500mS Pulse Width gt 2uS Duty Range 25 15 13 381295A V2 0V 12 07 Product Description In this section the LCD front panel buttons controls and terminals are described LCD Area The screen is divided into five areas INDICATOR READING WAVEFORM SETTING and MENU areas Refer to the Figure below 4 5 1 6 7 3 1 8
18. ision from MANUAL to AUTO P Move the cursor to the right with this button Pressing this button changes Vertical division or horizontal division from MANUAL to AUTO 16 DIV Division key Set Channel A and B Horizontal Division 15 381295A V2 0V 12 07 17 TRIG Trigger key Set Trigger level Single mode and Setup Tivi Z Singl Tmode Exit F1 F2 F3 F4 F3 TRIGGER SETUP SOURCE SLOPE m CHA o CHB S o EXT a t TRIGGER MODE o AUTO m NOR Set Exit F1 F2 F3 F4 18 x Back Light Key Activates Back Light for the LCD Toggles backlight ON and OFF 19 I Help key Provides meter model number firmware version serial number calibration date 20 l O Power switch Turns the instrument ON or OFF hold for 3 seconds to turn on 21 FUNC Function Key Set Scope Auto Scope and Setup of the METER Scope Setup Exit F1 F2 F3 F4 Scope Setup FUNCF1 Scope SCOPE SETUP INPUT A INPUT B m DC o AC m DC o AC VERTICAL MODE o CHA o CHB o A amp B HORIZONTAL MODE m NORM o ROLL MEASUREMENTS A m DCV cACV nOHM obBZ pn HZ o RPM mu P W o DIY Set Exit F1 F2 F3 F4 381295A V2 0V 12 07 Terminal Area 90 00 EXT TRIG CHB Terminal Area 22 Terminals description The METER provides 4 input jacks CHA Channel A Use the red channel A terminal for all single input measurements COM Common Use the black COMMON terminal as signal ground for DCV ACV Ohm
19. on adjust AT auto set Pos Trigger position Channel A and B controls Div A or V volts per division adjust AT auto set Pos Verticle position Coupling ON OFF AC DC AT fon DC Measurement Function The pull down menu selects the urement Function measured function to be displayed on the screen Display Area 1 Trigger point indicator T 2 Trigger level indicator T Recall and Save stored screens 1 Click lt or to select the memory page to recall 2 Click Load to download the screen 3 Type a file name and click Save to store the screen as a file on the pc 4 Type a file name and click Load recall a stored file from the pc 27 381295A V2 0V 12 07 Maintaining the Meter Cleaning the Meter Clean the Meter with a damp cloth and a mild soap Do not use abrasives solvents or alcohol Storing the Meter If you are storing the Meter for an extended period of time charge the LI ION battery pack before storing It is not necessary to remove the battery pack Replacing and Disposing of the LI ION Battery Pack Warning To avoid electrical shock remove the test leads and probes before replacing the battery pack Note This instrument contains a LI ION battery pack Do not dispose of this battery pack with other solid waste Used batteries should be disposed of by a qualified recycler or hazardous materials handler To replace the battery pack Disconnect the test leads and probes
20. rning identifies conditions and actions that pose hazard s to the user Symbols used on this instrument and in this manual are explained in the next table A Warning To avoid electrical shock use only the supplied power supply See explanation in manual Dangerous Voltage Double Insulation Protection Class Earth Ground Either AC or DC DC Direct Current AC Alternating Current Fuse 3 381295A V2 0V 12 07 Quick Start Power On and Off n 1 Pressing and holding this button for 2 to 3 ng th a gt seconds will turn the unit on Pressing this button again will turn the power off D Division Trigger and Function key 1 Division key E r2 E Adjusts vertical division or Horizontal 1 2 division 2 Trigger key Adjusts Trigger level a Selects Single shot mode CF 3 Selects trigger setup 3 Function key Selects Scope Setup Selects general setup Input Terminals 1 Channel A 4 3 1 Always use the red channel A input for single input ts 2ChannelB AO AO For measuring two signals use Channel B with A A Channel A 3 Common Use the black common as signal ground for low frequency measurements and for ACV DCV Ohm and Continuity measurements 4 External trigger The EXT TRIG input accepts external trigger signals EXT ae CHA Command F1 F4 Arrow Backlight and Help key 1 Function Command keys F1 through F4 are command soft keys Their
21. warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Service Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy 2a Support line 781 890 7440 Technical support Extension 200 E mail support extech com Repair amp Returns Extension 210 E mail repair extech com Product specifications subject to change without notice For the latest version of this User s Guide Software updates and other up to the minute product information visit our website www extech com Extech Instruments Corporation 285 Bear Hill Rd Waltham MA 02451 Copyright O 2007 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form 31 381295A V2 0V 12 07
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