Radiometric devices >> voltmeters

V7-47 (b7-47, В7-47)

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12 960 UAH
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Voltmeter V7-47 universal multifunctional (V747, V-7-47, V 7 47, b7-47, V-747, V 747, b747, b-7-47, b 7 47, b-747, b 747)
 
Voltmeter V7-47 universal multifunctionaldesigned to measure basic electrical quantities: voltage and AC and DC, as well as conductivity and DC resistance in laboratory and field conditions.
 
Technical characteristics of the devices voltmeters V7-47 universal multifunctional:
 
Meals - from 103.5 in the network-242V at 400 (+28 / -12) Hz and 50 Hz ± 2,5 or two batteries 6RTS53 (2.3);
Relative humidity - up to 98% at +35 ° C;
Ambient temperature - from -10 º C to +50 ° C;
Low atmospheric pressure - up to 200mm Hg;
Atmospheric condensed precipitation (frost, dew);
The instrument voltmeter V7-47 universal multifunctionalprovides a measure of voltage, resistance, current, and conduction in normal conditions in accordance with the data given in Table.1.
The instrument measures the value srednevypryamlennoe AC voltage, and scaled to the mean-square values;
Notes: 1 - Total nest instrument voltmeter V7-47 universal multifunctional permits relative to the ground voltage DC or AC up to 500V, 2 - constant voltage component when measuring AC voltage drops up to 530V;
 
Table 1: Measurement instrument voltmeter V7-47 universal multi-purpose voltage, resistance, current, and conductivity in the normal
Measurand
The range of measured values
The limits of measurement
Direct current voltage
10 4-10 3
200mV, 2V, 20V, 200V
1000V
AC voltage frequency 20Hz-40Hz
10 4 In-750V
200mV, 2V, 20V, 200V
750V
AC voltage frequency 40Hz-5kHz
10 4 In-750V
200mV, 2V, 20V, 200V
750V
AC voltage frequency of 5 kHz, 20 kHz
10 4 In-750V
200mV, 2V, 20V, 200V
750V
AC voltage frequency 20kHz-100kHz
10 4 In-200V
200mV, 2V, 20V, 200V
DC Resistance
10 -4 ohm-2 ∙ April 10 ohms
200Om
2 k, 20 k ohms, 200 ohms, 2 MW
20 megohms
DC output
10 -4 10 mA 4 mA
200mkA, 2mA, 20mA, 200mA, 2A
10A
AC current frequency 20Hz-40Hz
10 -4 10 mA 4 mA
200mkA, 2mA, 20mA, 200mA, 2A
10A
AC current frequency 40Hz-1kHz
10 -4 10 mA 4 mA
200mkA, 2mA, 20mA, 200mA, 2A
10A
Current AC 1kHz-5kHz
10 -4 mA-2 ∙ 10 3 mA
200mkA, 2mA, 20mA, 200mA, 2A
AC current frequency of 5 kHz, 10 kHz
10 -4 mA-2 ∙ 10 2 mA
200mkA, 2mA, 20mA, 200mA
Conductivity
10 -1 nS-2 ∙ February 10 nS
200nSm
 
The instrument voltmeter V7-47 universal multi-purpose is to work with the high-voltage divider DNV 5,171,064, providing a measurement of the DC voltage from 1kV to 30kV;
The device has the ability to work with the RF probe of 5,436,008, providing a measurement of the AC voltage at frequencies from 50 kHz to 1 GHz;
Notes: 1 - Input impedance RF probe at a frequency of 50 kHz - no less than 150 ohms, 2 - Input shunt capacitance - less than 5pF;
The limit of additional measurement error of the instrument voltmeter universal multifunctional V7-47 (change out) when the ambient temperature from the normal to the limit values ​​in the temperature range is less than half the permissible basic error limit for each 10 ° C;
The limit of additional measurement errors in high humidity does not exceed the permissible basic error;
Error in measuring the conductivity in the excessive moisture is not guaranteed;
The input resistance of devices voltmeters V7-47 universal multifunctional:
- When measuring DC voltage 10 MW ± 0,1 MW;
- When measuring AC voltage ± 1 M 1 M;
Input capacitance of the device for measuring the AC voltage is less than 50pF;
Force the input current instrument voltmeter V7-47 universal multifunctional when measuring the DC voltage does not exceed 0.1 nA;
The maximum value of the measured voltage drop across the resistor does not exceed 3.2 V;
The device can withstand for 1 minute overload voltage and the power of direct and alternating current;
10 A limit on exposure time overload no more than 10 seconds;
The instrument voltmeter V7-47 universal multifunctional provides attenuation of external noise at 400 (+28 / -12) Hz 50 Hz ³ ± 2,5 Hz when measuring DC voltage:
- The normal form - not less than 40 dB noise level at not to exceed the limit of measurement Un and not more than 100V;
- Generic - not less than 60 dB for input unbalance 1K at a voltage not exceeding 500V interference;
The device provides a continuous audible alarm when measuring the resistance of less than 200 ohms at the limit of "200 ohm";
The instrument voltmeter V7-47 universal multifunctionalprovides a visual indication of battery discharge, the polarity of the measured voltage and current, but also go beyond the measurement limits except high voltage and measuring direct and alternating current;
The measurement time shall not exceed:
- 1s - the measurement of voltage and constant current;
- 3s - in the measurement of voltage and AC current;
- 10s - when measuring DC resistance at the limit of 20 megohms and conductivity;
Electrical isolation between the network chains attached AC adapter jack device and a common stand for 1 minute without breakdown and surface flashover test voltage of the AC frequency 50Hz, the mean value is equal to:
- Under normal conditions - 3000V;
- In damp conditions - 1800V;
The insulation resistance circuit network connected on a common power supply socket device voltmeter V7-47 universal multifunctionalin normal conditions - at least 20 megohms at elevated temperature - not less than 5 MW, with high humidity - not less than 1 MW;
The device provides its specifications at the end of time required to establish the mode of 1 minute;
The instrument voltmeter V7-47 universal multifunctionalallows continuous operation of the operating conditions for the time not less than 48 hours while maintaining its performance;
The unit maintains its performance at its power from two batteries 6RTS53 (3.2) or AC voltage 103.5 V-242V at 400 (+28 / -12) Hz and 50 Hz ± 2,5 Hz and maintenance of harmony is not whiter than 5 %;
The power consumed by the instrument voltmeter V7-47 universal multifunctional from the mains at a voltage not exceeding 220V 5V ∙ A current consumed from the battery does not exceed 6mA;
Voltage industrial interference generated by the instrument does not exceed 60 dB at frequencies from 150 kHz to 30 MHz;
MTBF instrument voltmeter V7-47 universal multi-purpose - no less than 50,000 hours;
Controlled range switch provides a minimum of 10,000 switching cycles;
Dimensions - 190h95h48mm;
Unit weight voltmeter V7-47 universal multifunctional - 0.63 kg.

Photos V7-47 (b7-47, В7-47)

V7-47 (B7-47) device image.
V7-47 (B7-47) device image.
V7-47 (B7-47) accessories and spare parts.
V7-47 (B7-47) accessories and spare parts.
V7-47 (B7-47) delivery set.
V7-47 (B7-47) delivery set.
V7-47 (B7-47) front view.
V7-47 (B7-47) front view.
V7-47 (B7-47) side view.
V7-47 (B7-47) side view.
V7-47 (B7-47) rear view.
V7-47 (B7-47) rear view.
V7-47 (B7-47) overhead view.
V7-47 (B7-47) overhead view.
V7-47 (B7-47) bottom view.
V7-47 (B7-47) bottom view.


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