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1. 5 for repetitive signals 0 5MHz for single shot events 1MHz 3dB at 1 V div setting 1Mohm A 20pF standard oscilloscope probe 100Vpeak AC DC DC AC and GND GND for auto zero reference 8 bit 6 bit on LCD bit 64 x 128 pixels 64 x 96 pixels for signal From 73dB tot 40dB up to 60dB with X10 probe 0 5dB accuracy From 0 1mV to 80V up to 400Vrms with X10 probe 2 5 accuracy 0 1mV to 180V 1mV to 600V met x10 probe 2 accuracy 208 10s 5s 2s 1s 0 58 0 28 0 18 50ms 20ms 10ms 5ms 2ms 1ms 0 5ms 0 2ms 0 1ms 50us 20us 10us 4us 2us div 5mV 10mV 20mV 50mV 0 1V 0 2V 0 4V 1V 2V 8V 20V div Approx IKHz 5Vtt 9VDC min 300mA adapter unregulated 12VDC if regulated Alkaline type AA or Ni Cd NiMH rechargeable 5 pcs required 90mA Up to 20h with Alkaline batteries 0 to 50 C 32 to 122 105x220x35mm 4 13x7 95x1 38 395g 140z ex Batteries PersonalScope SAFETY and WARNINGS SAFETY and WARNINGS Symbols displayed on the unit CE Important safety information see user manual Ground level gt The PersonalScope is ideally suited for measurements of category II installations with pollution degree 1 and using a maximum 600V in accordance with the IEC1010 1 norm The enclosure is UL 94 0 listed gt Consequently all measurements should be avoided in case of polluted or very humid air One should also refrain from measurin
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3. PERSONALS COPE mS ELECTRONICS element us Velleman Legen Heirweg 33 9890 Gavere Belgium Internet Site http www velleman be E mail support velleman be HHPS5 1999 ED1 CONTENTS FCC information for the 7 4 pete rere 5 luno s 5 IR Oe EE 5 Technical specifications 6 SAFETY and WARNINGSS cessere 7 Symbols displayed on the 7 Survey of the connections and controls 8 Power supply rere 9 Survey of the indications on the screen 10 LL Turning on off the Personal Scope 11 Resetting the Personal 11 Adjusting the contrast 11 i neon po rao eei 11 Switching from one readout to another 12 Measuring probe adjustment esse 13 Auto setup function 13 Signal SCreen iiio sempcr mee Eee 14 Screen memory 15 Set up function Keys 15 The aee hee ERR 15 Setting up the voltage per division 16 Setting up the time base 15 CONTENTS Moving the signal in Y position 16 Trigger functions 17 Setting up a X10 measu
4. The signal screen is an aid in displaying the divisions on your screen or in positioning movable markers on the screen Press the Display key repeatedly in order to engage the CROSSHAIR various aids e A grid divides the screen into reference points Across inserts a co ordinate system into the screen e Markers Moveable markers in order to measure the signal see below for use e Empty aids i i IV IN GRID MARKERS 14 It may be useful to freeze certain signals on your screen This will allow the user to study the signal or perform measurements with the markers Press Hold to freeze the screen 57 screen is also saved when the unit is deacti vated 8 The memory will be erased if reset is pressed or if the battery voltage is too low Set up function keys The selected function is dis played in the bottom right hand corner of the screen The four blue function keys work in conjunction with the arrow keys OPERATION The markers The user can perform measurements on a certain signal by using the four moveable markers This can be useful when measuring the interval between two points or the ampli tude of any given peak markers The calculated frequency primarily used for the measurement of periods The voltage between two horizontal mark ers The markers can be moved through the arrow keys Keeping the ke
5. DB7 5 ING MD IN2 OUT2 1 IN2 gt 4 1 PROBE TEST 58 id R24 T10 3 PMBTAI4 BZD27 C6V8 3 RM 7 2 DGND DIO alm c A0 tals cis AGND AGND pap WF GO x V1 4700 3 100n che 2 16 2 4 PLVA2656A LU DGND DGND 1 7 s 3 5 OSC2 CLKOUT iz CALIBRATION 4 CRoyrioso ricki vi RAO 8 2 5 5 RAL RC2CCPI 4 RC3 SCK SCL 55 RC4SDUSDA 4 22 RCS SDO RC6 TX CK RC7 RX DT RDO PSPO L RDI PSPI TLCSSIOINS 3 RD2 PSP2 amp RD3 PSP3 41 RD4 PSP4 RDS PSPS CONTRAST AGND 7 5 RD6 PSP6 RDJ PSPT DGND PLVA2656A CENTER REF LMGIIN 8 H Personal Scope Digital Section 22 Velleman Legen Heirweg 33 9890 Gavere Belgium Europe Wd Netherlands USA tip www velleman be VELLEMAN ELECTRONIQUE VELLEMAN COMPONENTS VELLEMAN INC 33 0 320158615 31 0 765147563 1 817 284 7785 55 1999
6. 5 70 l PMBT2222A EDR301A05 PMBT2222A RY2 p DGND Cas Ka OS NULL 9 R50 S V6 A 19 TUR BASASAL VS Co 2 Be OS NULL 1n5 200V E 1 IN ANALOG OUT 9 OUT AD IN 39 1 IN 1 H 14 LESS7NG E R42 GN 63 4052 GN ES x 13 EDR301A05 x ET n 4 x 9 T9 GNI x2 Y 2 Transient PMBT2222A 4 22 12 MC14052B RSI Se 3308 sop Yo 471 xi 9 R6 Yi 3 4 R53 4 x2 Y Y2 180 1 271 R55 R32 x YO R40 560 1 47 1 1 100 1 GND DON R45 R56 2 2K4 1 750 1 CV1 Transient adjustment at 2V div Personal Scope Analog input section CV2 Transient adjustment at 1V div AGND RV1 Offset adjustment switch between 1 amp 2V div RV2 Gain adjust at 0 1V div first adjust RV3 21 DIGITAL SECTION 5 Callibration at 50mV Div RV4 Center setting in auto setup mode 4 NTER D a Auto center 1 8 DATABUS DBO
7. ated to the measuring instrument being used in this case the Personal Scope e Open the battery cover e Set the probe input to X10 e Set the voltage per division to 1V e Set the time per division to 0 2ms e Select AC for the input Use the probe to perform measurements at the preselected point under the battery cover Adjust the trimmer of the measuring probe in order to obtain a square wave signal with a top that is as flat as possible 18 MAINTENANCE Clean the display with a shammy NEVER use a dustcloth or paper in order to avoid scratches The rest of the unit can be cleaned with a soft dry cloth NEVER use water to clean the unit 5 TROUBLESHOOTING The screen remains blank or there is no signal No power supply e Batteries are discharged e Contrast adjustment is incorrect e Press RESET for at least 10 seconds REMARK Temporarily remove both batteries and adapter in case RESET is not yet operational RMS readout is incorrect Make sure that at least 1 and preferably even 2 periods are displayed e The batteries are discharged No signal on the oscilloscope display Time div setting is in the wrong position Try 1118 choose auto setup mode The unit is in the Hold position Trigger function is set in the once position The programmed trigger level is not reached choose run mode Y position is wrong The inp
8. ater the autonomy of the unit Rechargeable batteries of the 500mA h type will yield ap prox 5 hours of autonomy while 800mA h types provide up to 8 hours of autonomy Attention gt Use non regulated adapter of 9VDC that supplies min of 300mA Observe the polarity and consult your retailer if necessary gt When using a regulated adapter the user should verify whether it can supply 12VDC Batteries option gt The unit can be used with either ordinary alkaline bat teries or rechargeable ones e g our HR6 type 5 x Open the battery cover by loosening the screw Insert the batteries in the holders Mind the polarity USE Important A Do NOT perform measurements unless the battery compartment is closed The battery cover should only be removed for the calibration of the probe 5 X10 position 58 When first using the rechargeable batteries or if the batteries are completely discharged the user should charge them for at least 12 hours before using the unit 97 When the unit is OFF the charging time for 800mA h type batteries will be approx 12 hours The Charge indication LED on the front panel will light up when the batteries are being charged ATTENTION Remove all non rechargeable batteries when connecting the AC DC adapter The message Lo bat will flash in the bottom right cor ner of your display when the batteries need replacement or charging Insufficient battery voltage may
9. ations digital signals all kind of sensors signal analysis in automotive applications car stereo etc It s ultra fast full auto setup function takes care of all the necessary settings and makes measuring waveforms very easy a feature that will be appreciated both by experts and novices GENERAL Features High contrast LCD with wide viewing angle Full auto set up for volt div and time div Trigger mode run normal once slope True RMS and dB measurements Readout Vdc Vpp Vrms dBm 1 and x10 probe calculation option Display mode none markers grid crosshair Marker readout dt 1 dt frequency dV AC DC input coupling selection Automatic zero reference for DC measurements Sceen hold fuction Auto power off or continuous on Low battery detection Includes battery charge circuit Options Insulated measurement probe x1 x10 PROBE60S e Soft carry case 55 e Adapter type 5905 for 230V PS905USA for 110V GENERAL Technical specifications Maximum sample rate Input amplifier bandwidth Input impedance Maximum input voltage Input coupling Vertical resolution Linearity LCD Graphics dBm measurement 0 dB 0 775V True rms AC measurement Peak peak and DC range Timebase range Input sensitivity range at x1 Probe calibration output Supply voltage Batteries option Charge current for rechargeable batteries Battery life Operating temperature Dimensions Weight
10. ay to the setup of the measuring probe Upon choosing X10 X10 will be indicated on the screen and all measuring values will be adjusted accord ingly IMPORTANT X10 measuring probes should be cali brated Read Setting up a X10 measuring probe OPERATION Auto setup function The auto setup function is ideally suited for quick measurements as no manual setup has to be made and everything is automatic Use the auto setup function when the screen no longer displays a signal after the manual setup e Connect the signal to be checked to the BNC input by means of a special measuring lead or measuring probe e Activate the unit e Press Auto in order to de activate the auto setup function When auto setup is engaged the Volt div and Time div readouts are highlighted The auto setup function will provide correct measurements for repetitive and stable signals of max 400KHz The display may read as follows 13 IMPORTANT Put the appropriate measuring probe in the X10 position for measuring high voltages gt 100Vp DC NOTE D 5 s Ii The Y position does not work in auto setup which on ee ie is why the trigger setup remains in run or normal mode gt The auto setup function will deactivate when using the Trigger Volt and time per division and Y position functions see further Signal screen
11. e dealer or an experienced radio TV techni cian for help Important This equipment was tested for FCC compliance under con ditions that include the use of shielded test leads between it and the peripherals It is important that you use shielded cables and connectors to reduce the possibility of causing Radio and Television interference Shielded probes suit able for the HPSS oscilloscope can be obtained from the authorized Velleman dealer If the user modifies the HPSS oscilloscope or its connec tions in any way and these modifications are not approved by Velleman the FCC may withdraw the user s right to operate the equipment The following booklet prepared by the Federal Communi cations Commission may be of help How to identify and Resolve Radio TV Interference problems This booklet is available from the US Government Printing Office Wash ington DC20402 Stock No 044 000 00345 4 5 GENERAL The Velleman PersonalScope is not a graphical multimeter but a complete portable oscilloscope at the size and the cost of a good multimeter Its high sensitivity down to 5mV div and extended scope functions make this unit ideal for hobby service automotive and development purposes Because of its extreme value for money the PersonalScope is well suited for educational use in schools and colleges Suitable for measurements on audio equipment mains voltage applic
12. entail erro neous measuring diu results lo bat 10 5 Survey of the indications on the screen Dot indicates the vertical position of the signal on the screen Trigger opening indication fixed in the middle of the screen Signal window with possibly the markers cross or dot to indicate the various divisions Time per division or time between markers when used Display of converted calculated frequency 1 dt between markers if present Trigger information or screen hold indica tion Input coupling indication ac dc gnd and X10 probe setup Measurement readouts Vp V peak to peak Vr Volt rms dB Decibels V2 DC volt Readout of the voltage between the mark ers when present Selected voltage per division Indication of the selected function blue keys or battery low indication Turning on off the Personal Scope Press the ON OFF switch briefly to de activate the unit The screen will briefly display the logo above the message timer on which means that the unit will deacti vate after eight minutes if no other key has been pressed during this interval In order to bypass automatic deactivation Keep the ON OFF switch pressed down while activating the unit The screen will briefly display the message timer off When the unit 15 deactivated the last setup will be saved as long as
13. g conductors or installations that use voltages that exceed 600Vrms above ground level CAT II indicates conformity for measurements of domestic installations maximum input voltage for the connections of the unit stands at 100 AC DC NOT open the enclosure while performing measurements Remove all test leads before opening the enclosure in order to avoid electrical shock gt Use a measuring probe with an insulated connector e g type PROBE60S when measuring voltages exceeding 30V L Remove all non rechargeable batteries when connecting an AC DC adapter USE USE Survey of the connections and controls 1 BNC input connector max input 100Vp AC DC 2 Adapter connection observe the polarity 3 Battery compartment 4 X10 probe testing signal behind battery cover 5 Serial number 6 Display 7 Battery charge indication LED 8 Reset push button 9 Keyboard SS vellemen HPS5 Reset e lt gt tig ewaiv Ke AC DC Auto ERSONAL SCOPE USE Power supply The 55 PersonalScope can be powered by means of adapter ordinary batteries or rechargeable ones Rechargeable batteries are advised for intensive use The greater the capacity of the rechargeable batteries the gre
14. ring probe 18 nennen een LS TROUBLESHOOTING eere 19 The screen remains blank or there is no signal 19 RMS readout is incorrect eee 19 No signal on the oscilloscope display 19 Incorrect frequency readout sss 19 Voltage readout is not 19 FCC information for the USA This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a res idential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harm ful interference to radio communications However there is no guarantee that interference will not occur in a partic ular installation If this equipment does cause harmful in terference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna Increase the separation between the equipment and re ceiver e Connect the equipment into an outlet on a circuit dif ferent from that to which the receiver is connected e Consult th
15. rt displaying the signal when it reaches a preset threshold value T once once mode The screen is adjusted one single 36 time viz when the trigger level is reached Use this mode to detect e g a short once only voltage peak ATTENTION in the positions 1Ous Aus and 2us the unit will automatically select the norm trigger mode The trigger level has to be reached for the screen to be adjusted OPERATION S Both the and the key remain active in order to move the signal along the Y axis which enables the user to programme a trigger reference Repeatedly press the key to choose between Triggering on the rising slope of the signal The screen will only display the signal when a positive slope is detected viz the signal has to rise in vertical direc tion in order to trigger Triggering on the falling slope of the signal The screen will only display the signal when a negative slope is detected viz the signal has to drop in vertical direc tion in order to trigger D Iis Trigger on rising slope Trigger on falling slope NOTE There is a time difference of 12us between the trigger point the interruption in the vertical line on the left hand side of the screen and the start of the actual display This is specifically true on higher frequencies 17 Setting a X10 measuring probe When used in the X10 position a measuring probe should always be callibr
16. signal s peak to peak voltage difference between highest and lowest value is displayed True RMS readout Vr The area of the AC wave is calculated and converted to voltage Please remember that a correct readout invariably consists of at least one or two visible periods one can also use the auto setup function dB measurement dB The measured signal is converted to dBm 04 0 775 Once more the user should make sure that at least one or two periods are displayed or select the auto setup function 12 5 DC voltage measurement V This function enables the user to measure DC voltages only for DC input coupling 97 Useful tip for measuring DC voltages The readout can be set at zero reference for any position on the screen by keeping the AC DC key pressed down Always use the run trigger mode for DC voltage measurement NOTE If the signal goes off screen or when the dB signal is too small for measurement the display will show probe Measuring probe adjustment x1 x10 We advise the user to use a measuring probe equipped with a X10 setting when high or unknown voltages or high impedances need to be measured When using the measuring probe in the X10 position the measuring impedance will increase to 10Mohm thereby reducing the mea suring instrument s charge on the cou pling Press the x1 x10 key in order to ad just the displ
17. the power is not cut and as long as the unit is not reset see below Resetting the Personal Scope In case of unusual behaviour of the keypad or the display it is possible to reactivate the unit by using the Reset function The unit will subsequently return to the manufacturer programmed setup Press the sunk Reset push button for at least 10 seconds CJ 9 Donotusea sharp tool eset H 6 Adjusting the contrast Press the contrast key until the desired contrast is displayed The user can either keep the key pressed down or press it repeatedly When pressing this key the contrast will always increase to maximum level before starting again at the lowest available level and working its way up again Choice of input Depending on part of the signal to be measured the input can be connected to the signal through a direct link or by using a decoupling capacitor Select DC for measuring DC voltage Press the AC DC key to select either AC or DC input coupling see indications on the screen 9 When measuring the ripple of a DC voltage put the input on AC to limit the measurement to the AC component of the signal 11 Switching from one readout to another The Personal Scope offers many voltage measur ing possibilities Press the readout key repeatedly to select one of four possible readouts Peak voltage Vp The
18. ting point when measuring a signal and select longer time bases until the signal is displayed properly Other wise the display may not correctly reflect the signal under measurement due to aliasing Moving the signal in Y position Press the Y pos key Press the key or the key in order to move the signal in the direction of the arrows Prolonged pressing will make the Y position change faster A small dot in the left hand corner of the screen will indicate the direction in which the signal has moved In this manner the user will know in which direction the signal was going when it went off screen 5 Trigger functions The Personal Scope is equipped with a number of trigger aids that are used when the signal can be displayed on screen Press the trig key The trigger mode key enables the user to select the appropriate triggering method the slope key is used to select the trigger slope see below Press the key repeatedly to choose between run mode The signal will always appear on the aq screen regardless of the level involved This position is used most frequently and should always be used for measuring DC voltages in particular norm mode The screen will be adjusted pro vided that the signal falls within the trigger level interruption in the vertical line on the left hand side of your screen Use this mode when you want to sta
19. ut signal is too high change the volt div setting or choose auto setup TROUBLESHOOTING Incorrect frequency readout e An incorrect time div setting has been chosen start at 2us Voltage readout does not correspond with the actual value e The measuring probe is in the X10 position e The batteries are discharged e The zero refrence is not set correctly for DC measure ments e Take into account that the RMS readout only measures the AC voltage WARRANTY This product carries a one year warranty as far as the craftsmanship and possible flaws in the materials are concerned The warranty expires ONE YEAR after the date of purchase The warranty will only apply if the unit is wrapped in the original packing material and either presented to VELLEMAN KIT N V or to an official distributor together with a copy of the original purchasing document VELLEMAN KIT N V is under the obligation to repair defects and flaws but is free to either replace or repair defective parts The warranty does not apply to software fuses measuring probes and batteries VELLEMAN KIT NN will not be held responsible for any flaw or defect which the company feels is due to negligence on behalf of the user to modification or opening of the unit or to accidents or abnormal use or treatment of the product VELLEMAN KIT N V will not reimburse the transport costs or risks the costs for removing and replacing the product or any other costs that are directl
20. y or indirectly related to the defect VELLEMAN KIT NN accepts no liability for whatever damages may be caused by a malfunctioning product 19 POWER SUPPLY SECTION Personal Scope LOW gt T12 2907 D13 BAS85 PMBT2222A DGND PRLL4001 D6 PRLL4001 GND DC JACK RS 1 294055 0 3 7EL ES IND gt OUT 1 R3 FUSE 2A 330 1 2 PMBT2222A T5 A SCREENING GND GND 220p 100p V1 GND 220u BDP31 RIS D12 10K TII 13 PMBT2907A Xx 27 4001 15 AGND 2907 2 Le 100p BAV99 20 LED3RL d Heft GND GND GND PWR R33 22K LV VV R32 20 R60 47K R26 1K M GND 545 T4 PMBT2222A GND 545 C5 eal 100p GND 66 1 PMBZ5240B 201 220 gt 2 26 27 1 25 100 GND Personal Scope Power Supply Section AGND AGND 5 ANALOG SECTION RYI EDR301A0
21. y pressed down will move the marker quickly pressing it briefly will move the marker by 1 position The mark 1 2 key is used to select the desired marker 15 Rer Determining the frequency of a signal requires the measurement of a period The easiest way to do this would be by placing the vertical markers either on two consecutive peaks or two identical slopes of a signal Setting up the voltage per division The user can enlarge or reduce the signal on the screen vertically by adjusting the displayed voltage per division V div voltage per division The divisions can be made visible through the Display key see page 16 Press the t V div key Press the or the 2 key to select the sensitivity from 5mV to a maximum of 20V per division 9 50 to 200V with X10 probe selection Setting up the time base Adjusting the time base will visualise more or fewer periods of a signal t div time per division The divisions can be visualised through the Display key see page 16 Press the t V div key Press the the key to set the time base between 205 and 2uS per division ATTENTION the positions 10us Aus and Zus only operates correctly with periodic signals for which the unit will automatically select the normal trigger mode The 16 screen will be adjusted once the trigger level is reached NOTE Use the minimum time base 2 microsec as a star

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