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1. Adjust VC101 to obtain a DC Voltage same as 3 100 mV Subject to change without notice Circuit and layout diagrams 5V 0 15A 12V 0 16A 12V 0 15A gt i 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 HM 8001 TE ie Sey en e N MA 2 ees ae Meaty f ahr C an ga F E 8803 1 CH EL L K AMPL Os SE A A O ANA E mo P301 ik A i 10dB 12V 20d8 l D301 5302 5301 o 5 16149 INPUT E 1 c l A Gn E A301 CH102 I a Soy e 23y L 100k a 1 S E 302 184169 e 2 g 12 R308 R307 R306 Bie al 12V R30 FT R309 Rear Output 19k LA Bkt R31 E L 40k le PP88 24 Le Subject to change without notice Circuit and layout diagrams m e E 0 O i gt M1208 MA 5 a l CU c F d 2 o amp E E D 3 A 5 l CTT TB 1412 i T E S LET egs O co i N a o mal E ADA Ic 108 TEs A PE Best ckungsplan Implantation des composants Subject to change without notice Lo Circuit and layout diagrams Filterschaltung Signalaufbereitung Active Filter Signal Shaping Mise en forme des signaux Preparacion de s nales 5 E 5 5 7 k as ea 5 Sa a a Os en SRS Pear 4 a ey E eet 47 lt 23 00 555383 sw r i i l H FILTER 12V 12V 12V 12V Subject to change without notice isplay igital ital Di igi igi D Indicador d Circuit and layout diagrams ige talanze igi Affichage2. Frequency setting 200 Hz and 1600 Hz is recommended 2 Connect both generators to the input of HM8027 accor ding to the circuit in the section operational check 3 Connect the HM8012 setting 2Vac to test point E on the test connector CN101 4 Adjust the measured value to 300 mV by means of the am plitude control A 5 Tune the frequency control until the LEDs extinguish 6 Select the 100 measurement range with 7 Adjust the readout for 10 0 by means of VR103 Calibration adjustment 1 Same settings and connections as Gain adjustment 2 Select the calibration mode by means of pushbutton 3 Adjust VR301 for 100 readout Adjustment of frequency control circuit Setting D 2k Cal 10dB 100 Cal 1 Connect the output of HM8037 to the input of HM8027 output voltage 1V 1kHz 2 Adjust the display for 100 by means of the level control knob 3 Tune the frequency control until the LEDs extinguish 4 Adjust the frequency control of HM8027 so that the right LED lights 5 Set the frequency of HM8037 to 1150Hz 6 Adjust VR101 so that the left LED O lights Frequency compensation 1 Connect the output of HM8037 to the input of HM8027 2 Tune the HM8027 for correct distortion reading 3 Measure and take note of DC voltage at the point A of the test connector CN101 5Voc typ 4 Adjust the frequency of HM8037 to 20kHz 5 Recalibrate and readjust the HM8027 6
3. e par 93 68 CEE Directiva de equipos de baja tensi n 73 23 CEE enmendada por 93 68 EWG Angewendete harmonisierte Normen Harmonized standards applied Normes harmonis es utilis es Normas armonizadas utilizadas Sicherheit Safety S curit Seguridad EN 61010 1 1993 IEC CEI 1010 1 1990 A 1 1992 VDE 0411 1994 Uberspannungskategorie Overvoltage category Cat gorie de surtension Categoria de sobretensi n Il Verschmutzungsgrad Degree of pollution Degr de pollution Nivel de poluci n 2 Elektromagnetische Vertr glichkeit Electromagnetic compatibility Compatibilit lectromagn tique Compatibilidad electromagn tica EN 61326 1 A1 St raussendung Radiation Emission Tabelle table tableau 4 Klasse Class Classe classe B Storfestigkeit Immunity Imunitee inmunidad Tabelle table tableau tabla A1 EN 61000 3 2 A14 Oberschwingungsstr me Harmonic current emissions Emissions de courant harmonique emisi n de corrientes arm nicas Klasse Class Classe clase D EN 61000 3 3 Spannungsschwankungen u Flicker Voltage fluctuations and flicker Fluctuations de tension et du flicker fluctuaciones de tensi n y flicker Datum Date Date Fecha 22 07 2004 Unterschrift Signature Signatur Signatura G H benett Product Manager Subject to change without notice CE marking General information regarding the CE marking HAMEG instruments ful
4. numerique D say AUS AECI Mero 110 GOL yoyzauuo Ajddns Jamog gt GD ee T L 8 4 S v N TANS rs MEZ eilla idi zI 9060 50 8 fa o N i 00 E y E a a a LH 102031 MOL oc a0 A E uza azy uty r 1 l l li it e 1 Subject to change without notice Hm AMEL Instruments Oscilloscopes Spectrum Analyzer Power Supplies Modular System 8000 Series Programmable Instruments 8100 Series authorized dealer 4S 8027 00E0 www hameg de Subject to change without notice 4S 8027 00E0 09 11 2005 gw HAMEG Instruments GmbH HAMEG Instruments GmbH IndustriestraBe 6 A Rohde amp Schwarz Company D 63533 Mainhausen registered trademark Tel 49 0 61 82 800 0 pac DOS Certification DIN EN ISO 9001 2000 Fax 49 0 61 82 800 100 Lale Reg Nr 071040 QM Sales hameg de
5. of the amplitude control of the Sine Wave Generator HM8037 3 Check the following values Min position 0 dB Display lt 19 Max position 10dB Display lt 30 Max position 20dB Display lt 10 Check of monitor output Setting 2 3 O D 2k Cal max OdB released Connect the output of the HM8037 to the input of HM8027 Adjust the output voltage of the Sine Wave Generator HM8037 at 1 kHz to get a readout of 100 on HM8027 Measure the output voltage at the monitor output of HM8027 using the DMM HM8012 The obtained value should be 100 mV 5 Check of high pass filter Setting D 1 2 3 4 5 2k Cal 100 Cal released Set the frequency of the Sine Wave Generator HM8037 to 100 Hz Calibrate the display of HM8027 to 100 Select the 100 distortion range with one of the pushbut tons Switch the high pass filter on by pushing pushbutton Check display O for lt 5 Check of residual distortion 1 2 3 Connect the output of the HM8037 to the input O of HM8027 Calibrate the readout of the HM8027 to 100 Check the readout of the HM8027 for lt 0 01 on 10 range according to the frequencies listed below Range Frequencies to be checked 200 Hz 20Hz 200Hz 2kHz 200Hz 2kHz 20kHz 2kHz 10kHz Check of distortion measurement ranges 1 2 3 4 5 6 7 8 Adjust both Sine Wave Generators HM8037 for an output of 1 V Verify
6. Hm AMEL Instruments Distortion Meter HM8027 Service Manual FREQUENCY RANGE 200 2k 20k General information regarding the HAMEL instruments KONFORMIT TSERKL RUNG DECLARATION OF CONFORMITY DECLARATION DE CONFORMITE DECLARACI N DE CONFORMIDAD Hersteller Manufacturer Fabricant Fabricante HAMEG Instruments GmbH Industriestra e 6 D 63533 Mainhausen Die HAMEG Instruments GmbH bescheinigt die Konformit t f r das Produkt The HAMEG Instruments GmbH herewith declares conformity of the product HAMEG Instruments GmbH d clare la conformite du produit HAMEG Instruments GmbH certifica la conformidad para el producto Klirrfaktor Messbr cke Distortion Meter Distorsiom tre Medidor de distorsi n Bezeichnung Product name Designation Descripci n Typ Type Type Tipo HM8027 mit with avec con HM8001 2 Optionen Options Options Opci nes mit den folgenden Bestimmungen with applicable regulations avec les directives suivantes con las siguientes directivas EMV Richtlinie 89 336 EWG erg nzt durch 91 263 EWG 92 31 EWG EMC Directive 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 Directiva EMC 89 336 CEE enmendada por 91 263 CEE 92 31 CEE Niederspannungsrichtlinie 73 23 EWG erg nzt durch 93 68 EWG Low Voltage Equipment Directive 73 23 EEC amended by 93 68 EEC Directive des equipements basse tension 73 23 CEE amend
7. M8001 2 required for operation Specifications A Monitor output Distortion Meter HM8027 Output voltage 1 mV digit short circuit proof Valid at 23 C after a 30 minute warm up period Output impedance Te Input attenuation 1 constant attenuator 20 dB 1 constant attenuator 10 dB Eo 1 variable attenuator 15dB Frequency range subdivided into 3 ranges variable frequency control 10 1 overlapping ranges Distortion measurement range Miscellaneous 1 selectable high pass filter 1 kHz 12 dB octave 0 01 50 subdivided into 2 ranges Posa E Full range waa rom mainframe 12V 60 mA Display resolution 100 range 0 1 5V 100 mA 10 range 0 01 1 94W Operating temperature 10 C to 40 C Max relative humidity 80 without condensation Display accuracy r 100 range 5 1 digit for k lt 10 Dimensions W x H x D without 22 pole flat plug o 135 x 68 x 228 mm 0 0 Zio 10 range 9 1 digit fork lt 1 Weight approx 0 65 kg Inherent distortion noise lt 0 5 digit Fundamental rejection 30 dB greater than the measured distortion factor or gt 70dB in the 100 range or gt 90dB in the 10 range Input voltage min for 100 calibration 300 mV max for 100 calibration 50 V Accessories supplied Operator s Manual Optional accessories HZ33 HZ34 BNC Test Cable HZ20 BNC banana adapter Input impedance Rp HZ10 Silicone test leads 100 kQ www hameg com H
8. M8014E 140705 ce Subject to alterations HAMEG Instruments GmbH Registered Trademark DQS certified in accordance with DIN EN ISO 9001 2000 Reg No DE 071040 QM HAMEG Instruments GmbH Industriestr 6 D 63533 Mainhausen Tel 49 0 6182 8000 Fax 49 0 6182 800 100 www hameg com info hameg com A Rohde Schwarz Company Subject to change without notice Ls Control elements DISTORTION METER HM 8027 LEVEL Control elements O Display 7 segment LEDs 3 digit display for indication of the measured distortion factor In FREQUENCY RANGE Pushbutton switches Selection of frequency range for signal under test 20 Hz 200 Hz 200 Hz 2 kHz 2kHz 20 kHz OUTPUT BNC connector Monitor output for distortion factor Residual distortion Output voltage is 1 mV digit 1kHz HIGH PASS Pushbutton switch 1 kHz high pass filter with a roll off of 12dB octave for re jection of low frequency hum and noise ATTENUATOR Pushbutton switch Input signal attenuation with two pushbutton switches of 20dB or 10dB attenuation respectively They can be used separately Both pushbutton switches activated together with the variable attenuator must enable a 100 reading when In the calibration mode otherwise the Input voltage should be adjusted TUNING INDICATOR LEDs Operational check Ifthe built in filter is incorrectly tuned one of the two LEDs will indicate in which direction the f
9. fill the regulations of the EMC directive The conformity test made by HAMEG is based on the actual generic and product standards In cases where different limit values are applicable HAMEG applies the severer standard For emission the limits for residential commercial and light industry are applied Regarding the immunity susceptibility the limits for industrial environment have been used The measuring and data lines of the instrument have much influence on emmission and immunity and therefore on meeting the acceptance limits For different applications the lines and or cables used may be different For measurement operation the following hints and conditions regarding emission and immunity should be observed 1 Data cables For the connection between instruments resp their interfaces and external devices computer printer etc sufficiently screened cables must be used Without a special instruction in the manual for a reduced cable length the maximum cable length of a dataline must be less than 3 meters and not be used outside buildings If an interface has several connectors only one connector must have a connection to a cable Basically interconnections must have a double screening For IEEE bus purposes the double screened cables HZ72S and HZ72L from HAMEG are suitable 2 Signal cables Basically test leads for signal interconnection between test point and instrument should be as short as possible Without instruction in the
10. ilter frequency deviates from the input frequency Turn the tuning knob in the op posite direction until the LED goes out TUNING Adjusting knob Permits tuning of the built in filter for maximum rejection of the fundamental wave Fine tuning Is automatic with a capture range of approx 15 If both LEDs are off the filter is properly synchronised DISTORTION Pushbutton switches Range selection for 10 or 100 full scale 100 CALIBRATION Pushbutton switch Selection of calibration mode Adjustment for 100 reading with LEVEL LEVEL Adjusting knob Continuous attenuation of input signal up to max 15dB to achieve 100 reading when in the calibration mode INPUT BNC connector Input for measurement signal The permissible input vol tage range is 0 3V 50V for a valid measurement Ls Subject to change without notice Measuring equipment required 2 Low Distortion Generators e g HM8037 Digital multimeter with 200 mVac range e g HM8012 Check of input sensitivity Setting D 2k Cal max OdB released 1 Adjust the output voltage of the HM8037 to 300mV at 1 kHz 2 Connect the output of the HM8037 to the input O of HM8027 3 With the above setting the display of the HM8027 should indicate a value 2100 Check of input signal attenuation Setting D 2k Cal max odB released 1 Connect the output of the HM8037 to the input O of the HM8027 2 Adjust readout to 100 by means
11. manual for a shorter length signal lines must be less than 3 meters and not be used outside buildings Signal lines must screened coaxial cable RG58 U A proper ground connection is required In combination with signal generators double screened cables RG223 U RG214 U must be used 3 Influence on measuring instruments Under the presence of strong high frequency electric or magnetic fields even with careful setup of the measuring equipment an influence of such signals is unavoidable This will not cause damage or put the instrument out of operation Small deviations of the measuring value reading exceeding the instruments specifications may result from such conditions in individual cases HAMEG Instruments GmbH Content Declaration of Conformity 2 General information regarding the CE marking 2 Distortion meter HM8027 4 Specifications 5 Control elements 6 Operational check 6 Ajustment 7 Circuit and layout diagrams 8 Subject to change without notice gt HM8027 Mainframe HM8001 2 HZ32 Test cable HM8037 Low distortion sine wave generator Subject to change without notice Distortion Meter HM8027 Frequency range 20 Hz to 20 kHz Resolution up to 0 01 Low inherent distortion of 0 005 Automatic frequency fine tuning capture range 15 Control output for residual distortion measurement A complete measurement system for AF measurement equipment in combination with the HM8037 Mainframe H
12. with HM8012 Frequency setting 200 Hz and 1600 Hz is recommended Connect both generators to the input of the HM8027 ac cording to the circuit below Generator 1 200Hz 100kQ to HM8027 Generator 2 1 6kHz R1 10kQ Ri Ri Generator 1 input resistance Setting OD O 2k tuned 100 100 Cal released Reading on HM8027 should be 10 0 5 Change the output voltage of Generator 2 to 100 mV 20 dB Verify with HM8012 Change the setting of the distortion measurement range to 10 by pushing Check readout of HM8027 for 1 00 5 In this case It must be possible to measure a signal of 1 6 kHz with an amplitude of 100 mV at output of HM8027 Adjustment Control range of automatic frequency tuning Setting D 2k Cal 100 Cal released 1 Connect the output of HM8037 to input O of HM8027 Set the frequency to 1 kHz 2 Calibrate the HM8027 to 100 and align the frequency by means of the control knob 3 Adjust the frequency control of HM8027 by means of the control knob so that the right LED just lights 4 Adjust the frequency of HM8037 until the left LED lights 5 The frequency setting of HM8037 should now be approx 1 15kHz This corresponds to the specified 19 automatic tuning range Display zero adjustment Setting D 2k Cal mid posit OdB Gain adjustment Setting D 2k Cal 10dB 1 Adjust both sine wave generators HM8037 to an output of 1V Verify with HM8012
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