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M A N U A L • H A N D B U C H • M A N U E L

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Summary of Contents for HM 2005

Page 1: ...TRIG EXT INP max 100 Vp Z x1 x10 INV x1 x10 200 MHz ANALOG OSCILLOSCOPE HM2005 Instruments TRK CAT I GD AC DC GD CH I CH II DEL POS ADD CHP VAR VAR DUAL X Y VOLTS DIV VOLTS DIV TIME DIV 5V 1mV 5V 1mV...

Page 2: ...Subject to change without notice 2 M A N U A L H A N D B U C H M A N U E L...

Page 3: ...X Y Operation 24 Phase comparison with Lissajous figures 24 Phase difference measurement in DUAL mode Yt 24 Measurement of amplitude modulation 25 Triggering and Time Base 25 Automatic Peak value Trig...

Page 4: ...radiation The device under test as well as the oscilloscope may be effected by such fields Although the interior of the oscilloscope is screened by the cabinet direct radiation can occur via the CRT g...

Page 5: ...y modulation max 5V TTL Line Voltage Power consumption 100 240V AC 10 approx 43Watt 50 60Hz Min Max ambient temperature 10 C 40 C Protective system Safety class I IEC1010 1 Weight approx 5 9kg Size W...

Page 6: ...ve neutral have been tested against insulation breakdown with 2200V DC The mains line plug shall only be inserted in a socket outlet provided with a protective earth contact The protective action must...

Page 7: ...arly failures are detected by this method In the case of shipments by post rail or carrier the original packing must be used Transport damages and damage due to gross negligence are not covered by the...

Page 8: ...can only be measured with DC coupling The input coupling is selectable by the AC DC pushbutton The actual setting is displayed in the readout with the symbol for DC and the symbol for AC coupling Amp...

Page 9: ...for example only the residual ripple of a high voltage is to be displayed on the oscilloscope a normal x10 probe is sufficient In this case an appropriate high voltage capacitor approx 22 68nF must b...

Page 10: ...the rise time of the probe e g 1 4ns If ttot is greater than 16ns then ttot can be taken as the rise time of the pulse and calculation is unnecessary Calculation of the example in the figure above re...

Page 11: ...refore of quite special importance with a x100 attenuation probe which usually has a voltage rating of max 1200 V DC peak AC A capacitor of corresponding capacitance and voltage rating may be connecte...

Page 12: ...can be adjusted with a small screwdriver please note trace rotation TR 6 FOCUS This control knob effects both the trace and the readout sharpness 7 SAVE RECALL The instrument contains 9 non volatile...

Page 13: ...nction is practically ineffective in this settings 11 Y POS II Control knob The vertical trace position of channel II can be set with this control knob In ADD addition mode both Y POS I and Y POS II c...

Page 14: ...id of the X POS control As the X expansion results in a higher time base speed lower time deflection coefficient all time and frequency relevant information in the readout is switched over The X magni...

Page 15: ...e related controls the Y POS I 9 knob and INV 30 button are deactivated For X position alteration the X POS 15 knob can be used 20 TRIG ALT Pushbutton with double function for trigger source selection...

Page 16: ...DC trigger coupling Both settings are indicated by the NM 12 and the DC TRIG MODE LED 23 The previous trigger settings regarding the A time base remain unchanged In some trigger modes such as alterna...

Page 17: ...ce This sector indicates the signal part which is displayed by the B time base The intensified segment can be shifted horizontally by the DEL POS 24 control knob continuously if the B time base is ope...

Page 18: ...ground connection is galvanically connected to the instrument ground and consequently to the safety earth contact of the line mains plug 29 AC DC Pushbutton with two functions Input coupling Briefly...

Page 19: ...and the square wave calibrator with their outputs 36 MENU Pushbutton Pressing and holding this pushbutton activates the display of the MAIN MENU It contains the submenus TEST CALIBRATE and SETUP The i...

Page 20: ...t be taken into account In case of x10 10 1 probes the probe factor can be automatically included see item 29 and 33 If a x100 100 1 probe is used switch to the probe symbol 10 1 off if displayed Then...

Page 21: ...on was called inadvertently the proceeding can be cancelled by pressing the AUTOSET 3 pushbutton 3 AUTOSET 3 pushbutton return function Each time the AUTOSET pushbutton is pressed the menu is switched...

Page 22: ...s should be used Particular care is required when a single spot is displayed as a very high intensity setting may cause damage to the fluorescent screen of the CRT Switching the oscilloscope off and o...

Page 23: ...the same value as during the 1kHz adjustment Probes other than those mentioned above normally have a larger tip diameter and may not fit into the calibrator output Whilst it is not difficult for an ex...

Page 24: ...measuring the distances a and b on the screen is quite simple with the following formula and a pocket calculator with trigonometric functions Apart from the reading accuracy the signal height has no i...

Page 25: ...ed oscillation F 1 MHz f 1 kHz m 50 UT 28 3 mVrms Oscilloscope setting for a signal according to figure 2 Y CH I 20mV div AC TIME DIV 0 2ms div Triggering Normal with LEVEL setting internal or externa...

Page 26: ...displayed threshold can be stated as vertical display height in div at which the time base generator starts the display is stable and the trigger indicator LED lights or flashes The internal trigger t...

Page 27: ...visible TVL On the 10 s div setting and line TV triggering selected approx 1 lines are visible Those lines originate from the odd and even fields at random The sync separator circuit also operates wit...

Page 28: ...ot coinciding with the slope selection setting The trigger coupling selection can also be used in external triggering mode Trigger indicator TR The following description applies to the TR LED Please n...

Page 29: ...ng this function is part of the section Controls and Readout paragraph AUTOSET 2 As also mentioned in that section all controls are electronically selected with the exception of the POWER and calibrat...

Page 30: ...s and transistors resistors capacitors and inductors Certain tests can also be made to integrated circuits All these components can be tested individually or in circuit provided that it is unpowered T...

Page 31: ...des Possibly only a small portion of the knee is visible Zener diodes always show their forward knee and depending on the test voltage their zener breakdown forms a second knee in the opposite directi...

Page 32: ...lvanically connected with the oscilloscope and subsequently with protective safety earth potential Measurement on a high level reference potential is not permitted and endangers operator oscilloscope...

Page 33: ...switched off the RM LED 3 is dark Please note A minimum time must elapse between the commands RM 1 remote on and RM 0 remote off and vice versa The time can be calculated with the formula tmin 2x 1 ba...

Page 34: ...ANALOG OSCILLOSCOPE HM2005 Instruments TRK CAT I GD AC DC GD CH I CH II DEL POS ADD CHP VAR VAR DUAL X Y VOLTS DIV VOLTS DIV TIME DIV 5V 1mV 5V 1mV 0 5s 20ns TRIG MODE TRIG ALT CHI AC DC HF NR LF TVL...

Page 35: ...35 Subject to change without notice M A N U A L H A N D B U C H M A N U E L...

Page 36: ...0 Telefax 0 61 82 800 100 E mail sales hameg de Printed in Germany Oscilloscopes Multimeters Counters Frequency Synthesizers Generators R and LC Meters Spectrum Analyzers Power Supplies CurveTracers T...

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