voltmeter universal V7-30

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The voltmeter universal & nbsp; V7-30 & nbsp; for measurement of the DC voltage, slowly varying voltages, currents and small charges from sources with high output impedance, as well as to measure the resistances. Used in microelectronics, the technique of physical experiment, the development and production of dielectrics and high-resistivity semiconductor, the technique of ionizing radiation, mass spectrometry, vacuum gas chromatography, the low-frequency pezometrii, electrochemistry, pH-metry, Biology & nbsp;.

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V7-30 can & nbsp; work in automated systems, which makes it more convenient than other devices of this class

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Main specifications & nbsp; voltmeter V7-30:

measuring range:

current of both polarities: 10-15-10-7 & nbsp; A (10-12 & nbsp; -10-11-10-10- 10-9 & nbsp; - 10-8 & nbsp; - 10-7 & nbsp; A);

DC voltage both polarities: 10-4 & nbsp; - 10 (0,1-1-10 B);

charges: 10-15 & nbsp; - 10-9 & nbsp; Cl (10-12-10-11-10 -10-10-9 & nbsp; Cl);

resistance: 106-1018 & nbsp; ohms (109 & nbsp; -1010 & nbsp; -1011-1012-1013 & nbsp; -1014 & nbsp; - 1015-1016-1017-1018 & nbsp; About M.)

Basic measurement uncertainty:

voltage: & plusmn; (a + 0,01 Ux) In;

amperage: & plusmn; (a + 0.05 Ix) A;

charge: & plusmn; (A + 0,03 Qx) Cl;

resistance: & plusmn; (A + 0,15 Rx) ohms (1011-1018 & nbsp; ohms), & plusmn; (a + 0,05 Rx) ohms (109-1010 & nbsp; ohms), where a - discreteness error equal to 2 units. lsb

equivalent input resistance (measurement voltage) of 2 * 1014 & nbsp; Om

Zero drift for 24 hours on a sensitive subband:.

voltage:. & plusmn; 5 mV,

current: & plusmn; 5 * 10-14 & nbsp; A

power consumption:. 60 V * A

The size of the voltmeter & nbsp;. V7-30

Weight: 14 kg

dimension: 495x140x390 mm

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.. Options voltmeter V7-30

voltmeter V7-30 - 1 pcs .;

operating Instructions

Possible replacement: B7. -21A, V7-45, V7-47, V7-49, & nbsp; V7E-42 & nbsp;.