Hameg HM1008-2 Скачать руководство пользователя страница 1

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1 0 0 M H z C o m b i S c o p e

H M 1 0 0 8 - 2

Manual

English

99 Washington Street
Melrose, MA 02176
Fax 781-665-0780
TestEquipmentDepot.com

Содержание HM1008-2

Страница 1: ...100 MHz CombiScope HM1008 2 Manual English 99 Washington Street Melrose MA 02176 Fax 781 665 0780 TestEquipmentDepot com...

Страница 2: ...e 89 336 EEC amended by 91 263 EWG 92 31 EEC Directive EMC 89 336 CEE amend e par 91 263 EWG 92 31 CEE Niederspannungsrichtlinie 73 23 EWG erg nzt durch 93 68 EWG Low Voltage Equipment Directive 73 23...

Страница 3: ...ion 14 Phase measurements with Lissajous gures 14 Measurement of phase differences in dual channel Yt mode 14 Measurement of amplitude modulation 15 Triggering and time base 15 Automatic peak triggeri...

Страница 4: ...Flash A D Converters Pre Post Trigger 100 to 400 Time Base 50 s cm 5 ns cm Acquisition modes Single Event Refresh Average Envelope Roll Peak Detect USB RS 232 optional IEEE 488 Ethernet USB Signal dis...

Страница 5: ...Hz 3 dB X Y phase shift 3 220 kHz Digital mode Time base range 1 2 5 sequence Refresh Mode 20 ms cm 5 ns cm with Peak Detect 20ms cm 2ms cm min Pulse Width 10ns Roll Mode 50 s cm 50 ms cm Accuracy tim...

Страница 6: ...as manufactured and tested accordingly It left the factory in perfect safe condition Hence it also corresponds to European Standard EN 61010 1 resp International Standard IEC 1010 1 In order to mainta...

Страница 7: ...0 to 40 degrees C During transport or storage the temperature may be 20 to 55 degrees C Please note that after exposure to such temperatures or in case of condensation proper time must be allowed unti...

Страница 8: ...d 2 controls 16 VOLTS DIV SCALE VAR knob 34 Channel 1 Y de ection coef cient Y variabel and Y scaling setting 17 VOLTS DIV SCALE VAR knob 34 Channel 2 Y de ection coef cient Y variabel and Y scaling s...

Страница 9: ...e rear side and USB Stick ash drive connector 41 COMPONENT TESTER 2 sockets with 4 mm 47 Connectors for test leads of the Component Tester Left socket is galvanically connected with protective earth 4...

Страница 10: ...owever when charging and discharging a large capacitor DC coupling is preferable with all signals of varying duty cycle otherwise the display will move up and down depending on the duty cycle Of cours...

Страница 11: ...ignal to 5 cm Position the rising portion symmetrically to the graticule centre line using both Y and X positioning controls Notice the intersections of the signal with the 10 and 90 lines and project...

Страница 12: ...r other interference is visible especially at high sen sitivity one possible reason may be multiple grounding The scope itself and most other equipment are connected to safety ground so ground loops m...

Страница 13: ...r with both a high CM rejection and a high permissible CM range Therefore please observe the following rule Always look at the two signals in the one channel only or the dual modes not in Add mode and...

Страница 14: ...ometric functions are periodic limit the cal culation to angles 90 degrees This is where this function is most useful Do not use too high frequencies because as explained above the two amplifiers are...

Страница 15: ...to be found in the shaded TRIGGER area they are described in Controls and Readout In YT mode the signal will de ect the trace vertically while the ti mebase will de ect it horizontally the speed can...

Страница 16: ...automatic and normal modes Trigger coupling Menu FILTER Consult chapters MODE 20 AUTO LEVEL A B 19 FILTER 21 and SOURCE 22 in Controls and Readout In AUTOSET DC coupling will be used unless ac couplin...

Страница 17: ...rds will indicate the trigger time posi tion if this lies within the screen area The Trigger symbol is not indicated This trigger mode is to be used with greatest care and should be an exception rathe...

Страница 18: ...a reconstruction of the signal acquired In analog mode the display will always start on the left Let us assume one period of a signal is displayed at a convenient time base setting Increasing the swe...

Страница 19: ...COMPONENT TESTER 41 The scope has a built in component tester The test object is con nected with 4 mm banana plugs In this mode the Y ampli ers and the time base are turned off If the components are...

Страница 20: ...part is good With enhancement type MOSFETs an open circuit will be seen in all directions as the threshold voltage G S is not available With power MOSFETs the antiparallel diode S D can be seen Tests...

Страница 21: ...the sampling frequency is only twice the signal frequency there will only be two points displayed on the screen any number of signal shapes may be drawn which t through these two points The Nyquist th...

Страница 22: ...over the screen from left to right in usual Yt mode Roll readout rol 3 Single sweep triggered menu Trigger MODE signal capture in usual Yt mode Single readout sgl 4 Untriggered continuous signal captu...

Страница 23: ...en exactly This is dependent on the signal shape as well as on its amplitude displayed While it is fairly easy to recognize a square wave it requires at least 10 samples per period to distinguish a si...

Страница 24: ...le a communication between PC and oscilloscope an USB driver must be installed on the PC which is requested by Windows if for the rst time a connection is made between oscilloscope and PC via USB A di...

Страница 25: ...e settings Also arrows may be shown which point to available submenus In some modes various pushbuttons or INTENS operations are meaningless and will hence not cause a menu display STOP Please note If...

Страница 26: ...the signal expanded by Zoom RO Int Readout intensity Focus Focus for signal and readout Readout On Off The readout can be switched off to eliminate interference of the readout with the signal s that...

Страница 27: ...determined by the distance of the short auxiliary cursor line to the long reference line lower respectively left if appropriate with a negative sign 4 2 1 3 degree measurement of degrees The distance...

Страница 28: ...7 MATH pushbutton digital mode only not in FFT mode The MATH pushbutton calls the Mathematics menu and a for mula editor The mathematic menu enables the mathematical processing of current channel 1 an...

Страница 29: ...opped pushbutton lit or started pushbutton not lit by the RUN STOP pushbutton 6 A trigger will start a new acquisition which will overwrite the display of the former The display will remain on screen...

Страница 30: ...ween the samples and short signal deviations such as glitches may occur without being sampled The maximum gap size is 0 25 s between the samples at a time base setting of 50 s cm The advantage of Peak...

Страница 31: ...ssocia Set STOP Please note If both reference displays are on and if both memory locations are identical e g RE1 RE1 the signal will be displayed twice on the same spot 9 2 2 4 Associated settings Pre...

Страница 32: ...f a menu was opened it will be turned off by AUTOSET During the display of HELP texts AUTOSET is not available AUTOSET can and should be used during FFT ope ration to avoid misadjustment 12 HELP Press...

Страница 33: ...shbutton 15 and the menu item acti vated 14 1 Y position 14 1 1 Y Position of channel 2 analog and digital mode POSITION 2 is for Y Position CH2 control if Yt mode time base mode is present and the CH...

Страница 34: ...low too many signal periods to avoid so called aliasing The signal display height should be between 5 mm 0 5 div and 8 cm 8 div Signal display heights 8 cm cause the danger that the dynamic range is e...

Страница 35: ...In principle the following conditions must be met a Trigger conditions must be present if frequency or period time measurement is performed For signals under 20 Hz normal triggering is required Please...

Страница 36: ...ep triggering can be selected Choo sing Slope will allow trigger on any signal shape For video signals select Video and press the FILTER pushbutton 21 in order to nd a choice of special trigger modes...

Страница 37: ...ngs are available 21 2 1 Frame Line Depending on the setting chosen triggering will be on frame or line sync pulses The selection will also affect other menu items Readout Tr Source TV 21 2 1 1 Frame...

Страница 38: ...This pushbutton allows you to change the function of the HO RIZONTAL knob 27 26 1 Analog mode The pushbutton signals the actually selected function in accor dance with the front panel lettering dark...

Страница 39: ...he exception of 50 ns cm TB B can not be set to the same speed as TB A or slower Further information is available in the section Time base B 2nd time base Delay Triggering Analog mode in the chapter T...

Страница 40: ...th other parameters in FFT mode From the sampling frequency rate setting the theoretically highest displayable frequency fmax results In accordance with the Nyquist Shannon sampling theorem the highes...

Страница 41: ...resentation by time base A there will be no triggering of time base B any more and thus no time base B display The same holds in time base B only mode 30 1 5 B trigger Edge Except for the negative edg...

Страница 42: ...ls with low frequency content If the DC content of the signal or the duty cycle of pulses changes the capacitor will charge or discharge and this will cause a momentary Y shift of the display 31 2 Gro...

Страница 43: ...ng is necessary and no information pertaining to it is shown FFT DUAL mode will not be offered in combination with FFT 32 4 ADD In ADD mode the signals of both channels are algebraically added and dis...

Страница 44: ...tion of it e g to the screen centre without disconnecting the signal After switching back to the signal its amplitude can now be determined with respect to the formerly set zero reference The 0 V Grou...

Страница 45: ...uency is the highest frequency a real time digital oscilloscope can measure without aliasing This frequency is half the sampling frequency sam pling rate In case of higher frequencies the number of sa...

Страница 46: ...bmenus Save and Recall that can be opened by pressing the assigned function keys When the menu Utilities is not displayed it opens automati cally when a USB ash drive is connected with the USB Stick c...

Страница 47: ...on can be found under section Component Tester 42 USB Stick USB ash drive connector After a USB ash drive has been connected the LED in the USB ash drive brie y blinks and the menu Utilities opens Fur...

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