SEFRAM 7314 Скачать руководство пользователя | Manualshive

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10

M731400M00

(10) Arrêt automatique

Si le multimètre n’est pas utilisé pendant 10 minutes (environ),
l’alimentation est coupée.

4. Mise en œuvre

Mesures de tensions (AC, DC) et fréquence

Brancher selon le schéma ci-dessous

Il est normal de voir un affichage instable lorsque les cordons
ne sont pas branchés au dispositif de mesure. Choisir la
position appropriée à la mesure.

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Содержание 7314

Страница 1: ...NOTICE D UTILISATION USER S MANUAL SEFRAM 7314 MULTIM TRE NUM RIQUE 6000 POINTS TRMS...

Страница 2: ...it 2 D ballage et inspection 3 Sp cifications 4 Environnement 4 Caract ristiques g n rales 4 Sp cifications lectriques 5 Mise en uvre 10 Fonctions 15 Maintenance 17 Remplacement du fusible 17 Remplace...

Страница 3: ...et des limites d utilisation d crites dans ce manuel S assurer que les cordons sont branch s correctement et que la position du commutateur rotatif est bien celle de la mesure effectuer Ne jamais mes...

Страница 4: ...endommag s Ne pas utiliser l appareil en atmosph re explosive Ne pas utiliser l appareil si celui ci est mouill N utiliser que des fusibles ayant les m mes caract ris tiques lors du remplacement 2 D b...

Страница 5: ...r 1 mois Degr de pollution 2 Cat gorie d installation CAT IV 600V ou CAT III 1000V 3 2 Caract ristiques g n rales Affichage 6000 points LCD avec symboles d unit et de fonctions Indication de polarit a...

Страница 6: ...ax 1 Tensions continues Gamme Pr cision R solution Protection 600mV 0 5 2dgt 100 V 6V 1mV 60V 10mV 600V 100mV 1000V 1V DC 1000V eff 2 Tensions alternatives Gamme Pr cision R solution Protection 600mV...

Страница 7: ...eur de cr te 3 max 2000 points Ajouter 1 5 la pr cision CMRR NMRR R jection de mode commun R jection mode s rie VAC CMRR 60dB DC 50Hz 60Hz VDC CMRR 100dB DC 50Hz 60Hz NMRR 50dB DC 50Hz 60Hz 3 Courant...

Страница 8: ...1 0 2dgt Protection entr e A 600V eff Entr e 6A 10A fusible F10A 500V rapide 10KA HPC Bande passante 50 500Hz M thode de conversion TRMS coupl AC La sp cification est donn e pour un affichage compris...

Страница 9: ...calibres Tension en circuit ouvert 1 3V environ 1 variation d affichage de 10 digits max 2 variation d affichage de 100 digits max 6 Test de diode Pr cision dans la gamme 0 4 0 8V 1 5 5dgt Courant de...

Страница 10: ...50 mV eff 60 MHz 1V eff 100 mV eff Protection 600V eff en dessous de 20 Hz la sensibilit est de 1 5V eff Sensibilit max 5VAC eff 9 Capacim tre Gamme Pr cision R solution Protection 6 nF 1 9 8dgt 600V...

Страница 11: ...inutes environ l alimentation est coup e 4 Mise en uvre Mesures de tensions AC DC et fr quence Brancher selon le sch ma ci dessous Il est normal de voir un affichage instable lorsque les cordons ne so...

Страница 12: ...sente des capacit s charg es un potentiel lev La tension de mesure est inf rieure 1 5V Cependant les circuit int grant des dispositifs semi conducteurs peuvent devenir passant et g n rer une erreur Il...

Страница 13: ...t conseill de v rifier l tat des fusibles avant toute mesure voir en fin de manuel Ne jamais effectuer une mesure de tension lorsque les cordons sont branch s sur les douilles courant A et COM Les shu...

Страница 14: ...r tout risque de dommage l appareil ou l quipement sous test il est imp ratif de s assurer que les capacit s mesurer soient d charg es V rifier en V DC que le potentiel aux bornes est bien nul Pour le...

Страница 15: ...assurer avant toute mesure que les circuits ne sont pas sous tension et qu il n y a pas de capacit s charg es Test de continuit Brancher selon le sch ma ci dessous Attention s assurer avant toute mes...

Страница 16: ...gammes automatique indication de AUTO sur l afficheur En mode manuel l indication AUTO est effac e Un appui de plus de 1s sur Range repasse l appareil en changement de gammes automatique Fonction MIN...

Страница 17: ...ctif pendant 10 mn c est dire aucun appui sur une touche et pas de changement de position du commutateur rotatif le multim tre s arr te dans la configuration actuelle Un appui sur une touche o le fait...

Страница 18: ...sitif externe N utiliser que le type de fusible pr conis F10A 500V 6 MAINTENANCE Aucune maintenance n est n cessaire Il est recommand de nettoyer p riodiquement l appareil avec un chiffon doux et humi...

Страница 19: ...ble et les cordons Service apr s vente En cas de probl me avec votre appareil merci de bien vouloir contacter le service apr s vente SEFRAM Remplacement de la pile Attention s assurer au pr alable que...

Страница 20: ...Making Basic Measurements 8 Features 15 Using The Features 16 Maintenance 19 Cleaning and Storage 19 Fuse Replacement 20 Battery Replacement 20 Trouble Shooting 21 Specification 22 General Specificati...

Страница 21: ...ution Alert Symbol A Caution Statement identifies conditions and actions that could DAMAGE the Meter or the equipment under test Warning Alert Symbol A Warning Statement identifies hazardous condition...

Страница 22: ...er between terminals or between any terminal and earth ground Do not attempt a current measurement when the open voltage is above the fuse protection rating Suspected open circuit voltage can be check...

Страница 23: ...set the meter in A function to measure the voltage of a power supply circuit in equipment that could result in damage the meter and the equipment under test Symbols as Marked on The Meter AC Alternat...

Страница 24: ...AGE CATEGORY is equipment for connection to circuits in which measurements are taken to limit the transient overvoltage to an appropriate low level Note examples include protected electronic circuits...

Страница 25: ...ly however a temporary conductivity caused by condensation must be expected POLLUTION DEGREE 3 Conductive POLLUTION occurs or dry non conductive POLLUTION occurs which becomes conductive due to conden...

Страница 26: ...conditions 1 Indoor Use 2 Altitude up to 2000 Meter 3 Operating Temperature and Relative Humidity Non condensing 10 C 11 C 30 C 80 R H 31 C 40 C 75 R H 41 C 50 C 45 R H 4 Storage Temperature and Relat...

Страница 27: ...features 3 Rotary switch to turn the Power On or Off and to select a function 4 Input Terminal for A current function 5 Input Terminal for all functions EXCEPT current A functions 6 Common Ground refe...

Страница 28: ...e lead before removing the common test lead The figures on the following pages show how to make basic measurements Measuring AC DC Voltage And Frequency The non zero display reading is normal when the...

Страница 29: ...tance Note The Meter provides an open voltage 1 5V to the circuit under test that causes the diode transistor junction to conduct so it is better to disconnect the resistance from the circuit to get a...

Страница 30: ...DC A DC A AC A Current Never attempt an in circuit measurement where the open circuit potential to earth potential is greater than 500V for example a 3 phase system measurement you may damage the Mete...

Страница 31: ...the leads are plugged into the current terminals When measuring current the Meter acts like an impedance such as 0 01 at AC DC A approximately 1 5K at DC A in series with the circuit This loading effe...

Страница 32: ...igh voltage capacitors before measuring capacitance Use the DC voltage function to confirm that the capacitor discharged Note To improve the measurement accuracy of small value capacitor record the re...

Страница 33: ...power off and discharge the high voltage capacitors through an appropriate resistance load Note Use the diode test to check the semiconductor junction is good or bad The Meter sends a current through...

Страница 34: ...ange APO Auto Power Off Battery Saver TheMeter automatically enters Sleep Mode and blanks the display if the Meter is not used for 10 minutes Press any of the feature buttons or change the rotary swit...

Страница 35: ...The Range button is pressed to select manual ranging and to change ranges When the Range button is pressed once the indicator turns off Press Range button to select the appropriate range for measurem...

Страница 36: ...minimum value When display Hold mode is nested in MIN MAX mode the MIN MAX mode must be released before the display Hold Display Hold Note Press the Hold button to toggle in and out of the display Ho...

Страница 37: ...wer off When this happens the LCD displaying state of the Meter is saved The Meter can be turned back on by pushing any button the LCD displays the saved state Pushing Hold button to disables the hold...

Страница 38: ...ied personal Failure to observe this precaution can result in injury and can damage the meter Caution Cleaning and storage Periodically wipe the housing with a damp cloth and mild detergent Dirt or mo...

Страница 39: ...specified Fuse rating 10A 500V Replace the battery as soon as the low battery indicator appears to avoid false reading Battery 9V Battery Replacement Refer to the following figure to replace the batt...

Страница 40: ...t and service information Basic Trouble Shooting If the Meter fails first check the battery the battery connection fuse test leads and replace as necessary Review this manual to make sure that you are...

Страница 41: ...f Approx 10 minutes Operating Ambient Non condensing 10 C 11 C 30 C 80 R H 31 C 40 C 75 R H 41 C 50 C 45 R H Storage Temperature 20 C to 60 C 0 to 80 R H when battery removed from Meter Temperature Co...

Страница 42: ...tion Ratio Normal Mode Rejection Ratio VAC CMRR 60dB at DC 50Hz 60Hz VDC CMRR 100dB at DC 50Hz 60Hz NMRR 50dB at DC 50Hz 60Hz AC Conversion Type AC conversions are ac coupled true rms responding calib...

Страница 43: ...600V rms 1 AC Conversion Type Conversion type and additional specification are same as DC AC Voltage 3 Resistance Range DC Accuracy AC Accuracy Voltage Burden 600 0 A 1 0 2 dgt N A 4mV A 6000 A 6 000...

Страница 44: ...ction 600V rms Continuity Built in buzzer sounds when resistance is less than approximately 100 Response time is approximately 100 msec 5 Frequency Overload Protection 600V rms Less than 20Hz the sens...

Страница 45: ...Protection 600V rms 100 dgt of reading rolling 7 Auto Power Off APO If the Meter idles for more than 10 minutes the Meter automatically turns the power off Range Accuracy 6 000nF 1 9 8 dgt 60 00nF 600...

Страница 46: ...c time T is the same as pro duced by a DC signal during the same time T then we know The DC signal value is the RMS value of the AC signal T1 T2 VAC VDC When T1 T2 The VDC value is the VRMS value of a...

Страница 47: ...idely as a function of the wave form it will give grossly incorrect results in many cases The table shows a few representative examples comparing RMS to average Waveform Type 1 Volt Peak Ampli tude Cr...

Страница 48: ...motors to burn out fuses to blow faster than normal and BUS bars and electrical panels to vibrate and neutrals of three phase system to overheat AC AC DC coupling true RMS AC coupling true RMS Measure...

Страница 49: ...jection Ratio The NMRR is the ability of a multimeter to reject the Unwanted AC noise VNM in DC measurement Burden Voltage Burden Voltage VBURDEN is voltage present on the CURRENT input terminal and C...

Страница 50: ...les appareils lectriques de mesurage de r gulation et de laboratoire La directive Europ enne CEM CEE 89 336 amend e par CEE 93 68 En mission selon NF EN 50081 1 En immunit selon NF EN 50082 1 Cat gor...

Страница 51: ...SEFRAM Instruments et Syst mes 32 Rue Edouard MARTEL F42100 SAINT ETIENNE FRANCE Tel 0825 56 50 50 0 15 TTC mn Fax 04 77 57 23 23 Site WEB www sefram fr e mail sales sefram fr...

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