Philips PM 2421 Multimètre numérique
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PM 2421
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The Philips Digital multimeter PM 2421 is a universal instrument with digital display for the accurate measurement of electrical quantities. The instrument permits of measuring direct and alternating voltages in a level range of more than 1:10 . The frequency range in the case of alternating voltage measurements extends form 10 Hz to 1 MHz. In conjunction with a measuring Probe (optional) it is possible to carry out HF voltage measurements at frequencies up to 700 MHz.The Philips Digital multimeter PM 2421 is a universal instrument with digital display for the accurate measurement of electrical quantities. The instrument permits of measuring direct and alternating voltages in a level range of more than 1:10 . The frequency range in the case of alternating voltage measurements extends form 10 Hz to 1 MHz. In conjunction with a measuring Probe (optional) it is possible to carry out HF voltage measurements at frequencies up to 700 MHz. Current and resistance measurements are possible with the PM 2421 in a range greater than 1:10^. Range and mode selection is effected with the aid of simple and conveniently arranged push-buttons. An automatically controlled measuring range selector switches a voltage divider within 3 decades so that the most favourable display value is obtained. If desired, the range selector can also be operated manually. The measuring data (polarity of the direct voltage, automatically selected range and the digital measuring quantity) are available from the memory in encoded digital form. With the aid of an additional printed circuit board which can be plugged into the digital section, the digital information is converted into standard levels, thus enabling the connection of a printer or recorder. Apart from the digital output signal a conventional analogue output signal is also available for continuous recording of the measuring quantity. The circuit zero is isolated from the housing and from the mains by means of a double screening so that floating measurements are also possible. The instrument is provided with integrated circuits and silicon semiconductors. On account of its high sensitivity, its great accuracy and its rugged construction, the PM 2421 is suitable for research and development as well as for educational purposes, repair service, testing, general industrial applications etc. Current and resistance measurements are possible with the PM 2421 in a range greater than 1:10^. Range and mode selection is effected with the aid of simple and conveniently arranged push-buttons. An automatically controlled measuring range selector switches a voltage divider within 3 decades so that the moThe Philips Digital multimeter PM 2421 is a universal instrument with digital display for the accurate measurement of electrical quantities. The instrument permits of measuring direct and alternating voltages in 7 a level range of more than 1:10 . The frequency range in the case of alternating voltage measurements extends form 10 Hz to 1 MHz. In conjunction with a measuring Probe (optional) it is possible to carry out HF voltage measurements at frequencies up to 700 MHz. Current and resistance measurements are possible with the PM 2421 in a range greater than 1:10^. Range and mode selection is effected with the aid of simple and conveniently arranged push-buttons. An automatically controlled measuring range selector switches a voltage divider within 3 decades so that the most favourable display value is obtained. If desired, the range selector can also be operated manually. The measuring data (polarity of the direct voltage, automatically selected range and the digital measuring quantity) are available from the memory in encoded digital form. With the aid of an additional printed circuit board which can be plugged into the digital section, the digital information is converted into standard levels, thus enabling the connection of a printer or recorder. Apart from the digital output signal a conventional analogue output signal is also available for continuous recording of the measuring quantity. The circuit zero is isolated from the housing and from the mains by means of a double screening so that floating measurements are also possible. The instrument is provided with integrated circuits and silicon semiconductors. On account of its high sensitivity, its great accuracy and its rugged construction, the PM 2421 is suitable for research and development as well as for educational purposes, repair service, testing, general industrial applications etc. st favourable display value is obtained. If desired, the range selector can also be operated manually. The measuring data (polarity of the direct voltage, automatically selected range and the digital measuring quantity) are available from the memory in encoded digital form. With the aid of an additional printed circuit board which can be plugged into the digital section, the digital information is converted into standard levels, thus enabling the connection of a printer or recorder. Apart from the digital output signal a conventional analogue output signal is also available for continuous recording of the measuring quantity. The circuit zero is isolated from the housing and from the mains by means of a double screening so that floating measurements are also possible. The instrument is provided with integrated circuits and silicon semiconductors. On account of its high sensitivity, its great accuracy and its rugged construction, the PM 2421 is suitable for research and development as well as for educational purposes, repair service, testing, general industrial applications etc.

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Manuel de l'utilisateur
Type manuel:
Manuel de l'utilisateur
Pages:
40
Taille:
561.28 Kbytes (574746 Bytes)
Langue:
english
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Manuel-ID:
9499 470 04411
Date:
Qualité:
Document scanné, la lecture en partie mal, en partie illisible.
Date de transfert:
2018 07 16
MD5:
f32bb85c3460bcd51527d0088b952fa1
Téléchargements:
535

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GENERAL I. INTRODUCTION 5 II. TECHNICAL DATA 6 III. ACCESSORIES 10 IV. DESCRIPTION OF THE WORKING 15 A. Block diagram 15 B. Functional diagram 21 INSTRUCTIONS FOR USE V. INSTALLATION 31 VI. OPERATION

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