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B7-73

Universal Digital voltmeters B7-73 range replaces the well-known voltmeters B7-53/1 and B7-65 and differs from them with the new design and application of modern element base, which allows to improve the metrological characteristics and reliability.

This device measures not only voltage, current, resistance, electrical checks and carries out testing of diodes, but can also measure frequency, period, temperature and power.

Range Overview

The operated 5 1/2 digit LCD backlit display provides measurements in low light conditions and with a resolution far exceeding the capabilities of conventional instrumentation.

Depending on the required accuracy and speed of measurements the instrument can operate in a zone 4 1/2 or 5 1/2 digits.

Modifications

Technical characteristics:

DC voltage:
Measurement Range 1 Х 10 -6 - 1 000 V
The basic error of measurement 0,01 %
The input impedance 10 MOhm
AC voltage:
Measurement Range 1 Х 10 -3 - 700 V
The basic error of measurement 0,3 %
Frequency band 20 Hz - 100 kHz
The input impedance 1 MOhm / 35 pF
DC:
Measurement Range 1 Х 10 -4 - 2 А
The basic error of measurement 0,06 %
AC:
Measurement Range 1 Х 10 -2 - 2 А
The basic error of measurement 0,5 %
Frequency band 20 Hz - 5 kHz
DC Resistance:
Measurement Range 0,1 - 2 Х 10 9 Ohm
The basic error of measurement 0,06 %
Frequency:
Range 20 Hz - 1 MHz
The basic error of measurement 0,02 %
Period:
Range 1 Х 10 -4 - 0,05 s
The basic error of measurement 0,02 %
Performance:
Power Supply 220 V / 50 Hz

Interface

no
Power consumption no more than 10 V·А
Operating conditions of measurement + 5  ... + 40 °С
Overall dimensions 310 Х 268 Х 100 mm

Weight

3 kg