V7-46/1 V7-46/1
4.9 63

Voltmeter V7-46/1 universal (V746/1, V-7-46/1, V 7 46/1, b7-46/1, V-746/1, V 746/1, b746/1, b-7-46/1, b 7 46/1, b-746/1, b 746/1)

Designed for measuring DC voltage and current, RMS AC voltage and current, direct current electrical resistance, the ratio of two voltages and provides a mathematical and logical processing of the measurement results.

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Product information updated 07 December 2024.

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Warranty:

12 months.

Warranty extension up to 5 years. 

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Product information updated 07 December 2024.

Found cheaper?

Let us know. Our price is the best. 

Warranty:

12 months.

Warranty extension up to 5 years. 

Terms of delivery:

To all regions of the country, international delivery. 

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Technical characteristics

Voltmeter V7-46/1 universal (V746/1, V-7-46/1, V 7 46/1, b7-46/1, V-746/1, V 746/1, b746/1, b-7-46/1, b 7 46/1, b-746/1, b 746/1)

Voltmeter V7-46/1 universal is designed to measure DC voltage and current, RMS AC voltage and current, direct current electrical resistance, the ratio of two voltages and provides a mathematical and logical processing of the measurement results.
Voltmeter V7-46/1 is used for measurements in the setup, testing and operation of various electronic equipment and permits its use as a stand-alone or as part of automated measuring systems (AIS). The voltmeter has access to channel public (CPC).
 
Technical characteristics of the instrument voltmeter V7-46/1 universal:
Operating conditions voltmeter as follows:
Ambient temperature - from -10 º C to +50 ° C;
Relative humidity 98% at 25 ° C;
atmospheric pressure of 60 kPa (450mm.rt.st.) to 107kPa (800mm.rt.st);
Voltmeter V7-46/1 provides a DC voltage of positive and negative polarities in the measuring ranges with upper limits 29mV, 200mV, 2V, 20V, 200V, 1000V.
Maximum permissible error of measurement of dc voltage as a percentage equal to the values ​​given:
1) in Table 1.1 - during the recalibration interval of 6 months;
2) in Table 1.2 - during calibration intervals 12 and 24 months;
3) Table 1.1 - for 24chnepreryvnoy work after calibration relative to the outer measure with an accuracy of 0.003%;
 
Table 1.1 Maximum permissible error of measurement of dc voltage
 
Ranges
Bystrodey-consequence
The quantization step (number of indications)
20mV
0.1 measurements / a
100nV (5 1/2)
1izmer / s
1mkV (4 1/2)
5izmer / s
10mkV (3 1/2)
200mV
5izmer / s
1mkV (5 1/2)
10izmer / s
10mkV (4 1/2)
50izmer / s
100mkV (3 1/2)
2B
5izmer / s
10mkV (5 1/2)
10izmer / s
100mkV (4 1/2)
50izmer / s
1mV (3 1/2)
20B
5izmer / s
100mkV (5 1/2)
10izmer / s
1mV (4 1/2)
50izmer / s
10mV (3 1/2)
200V
5izmer / s
1mV (5 1/2)
10izmer / s
10mV (4 1/2)
50izmer / s
100mV (3 1/2)
1000V
5izmer / s
10mV (5 1/2)
10izmer / s
100mV (4 1/2)
50izmer / s
1B (3 1/2)

 

Ranges
Maximum permissible error for calibration interval
24h
6 months
20mV
± [0,03 +0,02 (U a / U-1)]%
± [0,04 +0,02 (U a / U-1)]%
± [0,03 +0,025 (U a / U-1)]%
± [0,04 +0,025 (U a / U-1)]%
± [0,1 +0,1 (U a / U-1)]%
± [0,15 +0,1 (U a / U-1)]%
200mV
± [0,015 +0,0025 (U a / U-1)]%
± [0,025 +0,0025 (U a / U-1)]%
± [0,02 +0,015 (U a / U-1)]%
± [0,025 +0,02 (U a / U-1)]%
± [0,1 +0,1 (U a / U-1)]%
± [0,15 +0,1 (U a / U-1)]%
2B
± [0,01 +0,002 (U a / U-1)]%
± [0,02 +0,002 (U a / U-1)]%
± [0,015 +0,01 (U a / U-1)]%
± [0,02 +0,015 (U a / U-1)]%
± [0,1 +0,1 (U a / U-1)]%
± [0,15 +0,1 (U a / U-1)]%
20B
± [0,015 +0,002 (U a / U-1)]%
± [0,02 +0,002 (U a / U-1)]%
± [0,02 +0,01 (U a / U-1)]%
± [0,025 +0,01 (U a / U-1)]%
± [0,1 +0,1 (U a / U-1)]%
± [0,15 +0,1 (U a / U-1)]%
200V
± [0,015 +0,002 (U a / U-1)]%
± [0,02 +0,002 (U a / U-1)]%
± [0,02 +0,01 (U a / U-1)]%
± [0,025 +0,02 (U a / U-1)]%
± [0,1 +0,1 (U a / U-1)]%
± [0,15 +0,1 (U a / U-1)]%
1000V
± [0,02 +0,004 (U a / U-1)]%
± [0,025 +0,004 (U a / U-1)]%
± [0,03 +0,02 (U a / U-1)]%
± [0,04 +0,02 (U a / U-1)]%
± [0,2 +0,1 (U a / U-1)]%
± [0,25 +0,1 (U a / U-1)]%

 


Table 1.2 Maximum permissible error of measurement of dc voltage
 
Ranges
Bystrodey-consequence
The quantization step (number of indications)
20mV
0.1 measurements / a
100nV (5 1/2)
1izmer / s
1mkV (4 1/2)
5izmer / s
10mkV (3 1/2)
200mV
5izmer / s
1mkV (5 1/2)
10izmer / s
10mkV (4 1/2)
50izmer / s
100mkV (3 1/2)
2B
5izmer / s
10mkV (5 1/2)
10izmer / s
100mkV (4 1/2)
50izmer / s
1mV (3 1/2)
20B
5izmer / s
100mkV (5 1/2)
10izmer / s
1mV (4 1/2)
50izmer / s
10mV (3 1/2)
200V
5izmer / s
1mV (5 1/2)
10izmer / s
10mV (4 1/2)
50izmer / s
100mV (3 1/2)
1000V
5izmer / s
10mV (5 1/2)
10izmer / s
100mV (4 1/2)
50izmer / s
1B (3 1/2)

 

Ranges
Maximum permissible error for calibration interval
12 months
24 months
20mV
± [0,05 +0,02 (U a / U-1)]%
± [0,06 +0,03 (U a / U-1)]%
± [0,05 +0,025 (U a / U-1)]%
± [0,08 +0,03 (U a / U-1)]%
± [0,2 +0,1 (U a / U-1)]%
± [0,3 +0,1 (U a / U-1)]%
200mV
± [0,025 +0,0025 (U a / U-1)]%
± [0,04 +0,003 (U a / U-1)]%
± [0,03 +0,025 (U a / U-1)]%
± [0,05 +0,03 (U a / U-1)]%
± [0,1 +0,1 (U a / U-1)]%
± [0,25 +0,1 (U a / U-1)]%
2B
± [0,025 +0,0025 (U a / U-1)]%
± [0,03 +0,003 (U a / U-1)]%
± [0,025 +0,02 (U a / U-1)]%
± [0,04 +0,02 (U a / U-1)]%
± [0,15 +0,1 (U a / U-1)]%
± [0,25 +0,1 (U a / U-1)]%
20B
± [0,025 +0,0025 (U a / U-1)]%
± [0,04 +0,003 (U a / U-1)]%
± [0,025 +0,02 (U a / U-1)]%
± [0,04 +0,02 (U a / U-1)]%
± [0,15 +0,1 (U a / U-1)]%
± [0,25 +0,1 (U a / U-1)]%
200V
± [0,03 +0,002 (U a / U-1)]%
± [0,05 +0,003 (U a / U-1)]%
± [0,03 +0,02 (U a / U-1)]%
± [0,05 +0,03 (U a / U-1)]%
± [0,15 +0,1 (U a / U-1)]%
± [0,25 +0,1 (U a / U-1)]%
1000V
± [0,03 +0,004 (U a / U-1)]%
± [0,04 +0,006 (U a / U-1)]%
± [0,05 +0,02 (U a / U-1)]%
± [0,08 +0,03 (U a / U-1)]%
± [0,25 +0,1 (U a / U-1)]%
± [0,4 +0,2 (U a / U-1)]%

 


Table. 1.1, 1.2, and on the following notation:
U to - the final value of the set measuring range;
U - value of the measured input voltage voltmeter;
Voltmeter V7-46/1 stands for all the bands, but the largest, for 1min. voltage equal to the next higher end value of the measuring range. At the limit of the measurement range with the voltmeter withstand 1000V for 1min. 1200V voltage value;
Performance voltmeter quantization step for each range of measurement, the number of decimal places to display correspond to the values ​​given in Table 1.1, 1.2;
The input resistance of V7-46/1 V dc at least 1 G W-band measurements on outside 20mV, 200mV and 2V is 10 megohms ± 1,0 MW at measuring ranges from outside 20V, 200V, 1000V;
Measurement error of the input resistance measurement ranges from 20mV outside, and 2Vne 200mV ± 10%;
Rejection Ratio normal appearance frequency of 50Hz, 100Hz and 400Hz V dc at least 60 dB;
Rejection Ratio Common Mode DC or AC power frequency when measuring DC voltage of at least 120 dB in normal conditions, the resistance of 1 ohm unbalance;
Voltmeter V7-46/1 provides a measure of the rms ac voltage up to 20 V-form in the frequency range from 20 Hz to 1 MHz, up to 700V at frequencies from 20 Hz to 100 kHz and has a measuring range of the upper limits of 200mV, 2V, 20V, 200V, 700V;
Crest factor of the measured voltage to a ≤ 4, the maximum value of the input voltage not exceeding 1000 V voltmeter;
Maximum permissible error of measurement of AC-form with values ​​in percent of the measured voltage of up to 0,005 U to U calibration intervals for 6, 12, 24 months is equal to that given:
1) in tabl.1.3, 1.4 measurement time 0.33, 2c;
2) in tabl.1.5, 1.6 a measurement time of 0.1 s;
 
Table 1.3 Maximum permissible error of measurement of AC-form
 
Calibration interval
Frequency band
Maximum permissible error of measurement time 0.33 s, 2 s, by measuring ranges with limits
200mV
6 months
20Hz-60Hz
± [0,4 +0,1 (U a / U-1)]%
60Hz-400Hz
± [0,4 +0,1 (U a / U-1)]%
400Hz-10kHz
± [0,3 +0,15 (U a / U-1)]%
10kHz-20kHz
± [0,4 +0,15 (U a / U-1)]%
20kHz-100kHz
± [0,6 +0,15 (U a / U-1)]%
100kHz, 300kHz
± [5 +1 (U a / U-1)]%
300kHz-1000kGts
-
12 months
20Hz-40Hz
± [0,5 +0,1 (U a / U-1)]%
400Hz-20kHz
± [0,5 +0,15 (U a / U-1)]%
20kHz-100kHz
± [2 +0,15 (U a / U-1)]%
100kHz, 300kHz
± [10 +2 (U a / U-1)]%
300kHz-1000kGts
-
24 months
20Hz-400Hz
± [0,6 +0,2 (U a / U-1)]%
400Hz-20kHz
± [0,6 +0,25 (U a / U-1)]%
20kHz-100kHz
± [2 +0,25 (U a / U-1)]%
100kHz, 300kHz
± [12 +2 (U a / U-1)]%
300kHz-1000kGts
-

 

Mezhpoveterm interval
Frequency band
Maximum permissible error of measurement time 0.33 s, 2 s, by measuring ranges with limits
Limit
permissible basic error of measurement time 0.33 s, 2 s, for measuring ranges with limits
2B
20B
6 months
20Hz-60Hz
± [0,4 +0,1 (U a / U-1)]%
± [0,4 +0,1 (U a / U-1)]%
60Hz-400Hz
± [0,3 +0,1 (U a / U-1)]%
± [0,3 +0,1 (U a / U-1)]%
400Hz-10kHz
± [0,15 +0,1 (U a / U-1)]%
± [0,15 +0,1 (U a / U-1)]%
10kHz-20kHz
± [0,3 +0,1 (U a / U-1)]%
± [0,3 +0,1 (U a / U-1)]%
20kHz-100kHz
± [0,6 +0,1 (U a / U-1)]%
± [0,6 +0,1 (U a / U-1)]%
100kHz, 300kHz
± [2,5 +0,4 (U a / U-1)]%
± [2,5 +0,4 (U a / U-1)]%
300kHz-1000kGts
± [5 +1 (U a / U-1)]%
± [5 +1 (U a / U-1)]%
12 months
20Hz-40Hz
± [0,5 +0,1 (U a / U-1)]%
± [0,5 +0,1 (U a / U-1)]%
400Hz-20kHz
± [0,4 +0,15 (U a / U-1)]%
± [0,4 +0,15 (U a / U-1)]%
20kHz-100kHz
± [1,5 +0,15 (U a / U-1)]%
± [1,5 +0,15 (U a / U-1)]%
100kHz, 300kHz
± [5 +1 (U a / U-1)]%
± [5 +1 (U a / U-1)]%
300kHz-1000kGts
± [10 +2 (U a / U-1)]%
± [10 +2 (U a / U-1)]%
24 months
20Hz-400Hz
± [0,6 +0,2 (U a / U-1)]%
± [0,6 +0,2 (U a / U-1)]%
400Hz-20kHz
± [0,6 +0,2 (U a / U-1)]%
± [0,6 +0,2 (U a / U-1)]%
20kHz-100kHz
± [2 +0,25 (U a / U-1)]%
± [2,5 +0,25 (U a / U-1)]%
100kHz, 300kHz
± [6 +1 (U a / U-1)]%
± [6 +1 (U a / U-1)]%
300kHz-1000kGts
± [12 +1,5 (U a / U-1)]%
± [12 +1,5 (U a / U-1)]%

 


Table 1.4 Maximum permissible error of measurement of AC-form
 
Mezhpoveterm interval
Frequency band
Maximum permissible error of measurement time 0.33 s, 2 s, by measuring ranges with limits
200V
700V
6 months
20Hz-400Hz
± [0,4 +0,1 (U a / U-1)]%
± [0,5 +0,1 (U a / U-1)]%
400Hz-10kHz
± [0,25 +0,6 (U a / U-1)]%
± [0,4 +0,06 (U a / U-1)]%
10kHz-20kHz
± [0,4 +0,1 (U a / U-1)]%
± [0,6 +0,1 (U a / U-1)]%
20kHz-100kHz
± [0,6 +0,1 (U a / U-1)]%
± [0,6 +0,1 (U a / U-1)]%
12 months
20Hz-400Hz
± [0,5 +0,1 (U a / U-1)]%
± [0,8 +0,1 (U a / U-1)]%
400Hz-10kHz
± [0,5 +0,15 (U a / U-1)]%
± [0,5 +0,15 (U a / U-1)]%
10kHz-20kHz
± [0,5 +0,15 (U a / U-1)]%
± [0,8 +0,15 (U a / U-1)]%
20kHz-100kHz
± [1,5 +0,15 (U a / U-1)]%
± [2 +0,15 (U a / U-1)]%
24 months
20Hz-400Hz
± [0,6 +0,2 (U a / U-1)]%
± [1 +0,3 (U a / U-1)]%
400Hz-10kHz
± [0,6 +0,2 (U a / U-1)]%
± [1 +0,3 (U a / U-1)]%
10kHz-20kHz
± [0,6 +0,3 (U a / U-1)]%
± [1 +0,3 (U a / U-1)]%
20kHz-100kHz
± [2,5 +0,25 (U a / U-1)]%
± [3 +0,4 (U a / U-1)]%

Table 1.5 Maximum permissible error of measurement of AC-form
 
Calibration interval
Frequency band
Maximum permissible error of measurement time 0.33 s, 2 s, by measuring ranges with limits
200mV
6 months
400Hz-10kHz
± [0,5 +0,2 (U a / U-1)]%
10kHz-20kHz
± [0,6 +0,2 (U a / U-1)]%
20kHz-100kHz
± [1 +0,3 (U a / U-1)]%
0.1 MHz-0, 3MHz
± [6 +2 (U a / U-1)]%
0.3 MHz to 1 MHz
-
12 months
400Hz-20kHz
± [0,6 +0,3 (U a / U-1)]%
20kHz-100kHz
± [2 +0,3 (U a / U-1)]%
0.1 MHz-0, 3MHz
± [10 +2 (U a / U-1)]%
0.3 MHz to 1 MHz
-
24 months
400Hz-20kHz
± [1 +0,5 (U a / U-1)]%
20kHz-100kHz
± [3 +0,4 (U a / U-1)]%
0.1 MHz-0, 3MHz
± [15 +2 (U a / U-1)]%
0.3 MHz to 1 MHz
-

 

Mezhpoveterm interval
Frequency band
Maximum permissible error of measurement time 0.33 s, 2 s, by measuring ranges with limits
Maximum permissible error of measurement time 0.33 s, 2 s, by measuring ranges with limits
2B
20B
6 months
400Hz-10kHz
± [0,3 +0,1 (U a / U-1)]%
± [0,3 +0,15 (U a / U-1)]%
10kHz-20kHz
± [0,5 +0,25 (U a / U-1)]%
± [0,5 +0,25 (U a / U-1)]%
20kHz-100kHz
± [1 +0,25 (U a / U-1)]%
± [1 +0,25 (U a / U-1)]%
0.1 MHz-0, 3MHz
± [4 +0,4 (U a / U-1)]%
± [4 +0,5 (U a / U-1)]%
0.3 MHz to 1 MHz
± [6 +2 (U a / U-1)]%
± [6 +3 (U a / U-1)]%
12 months
400Hz-20kHz
± [0,6 +0,25 (U a / U-1)]%
± [0,6 +0,25 (U a / U-1)]%
20kHz-100kHz
± [2,5 +0,25 (U a / U-1)]%
± [2,5 +0,25 (U a / U-1)]%
0.1 MHz-0, 3MHz
± [6 +1,5 (U a / U-1)]%
± [6 +1,5 (U a / U-1)]%
0.3 MHz to 1 MHz
± [12 +2 (U a / U-1)]%
± [12 +2 (U a / U-1)]%
24 months
400Hz-20kHz
± [1 +0,5 (U a / U-1)]%
± [1 +0,5 (U a / U-1)]%
20kHz-100kHz
± [4 +0,4 (U a / U-1)]%
± [4 +0,4 (U a / U-1)]%
0.1 MHz-0, 3MHz
± [8 +1,5 (U a / U-1)]%
± [8 +1,5 (U a / U-1)]%
0.3 MHz to 1 MHz
± [15 +2 (U a / U-1)]%
± [15 +2 (U a / U-1)]%

 


Table 1.6 Maximum permissible error of measurement of AC-form
 
Mezhpoveterm interval
Frequency band
Maximum permissible error of measurement time 0.33 s, 2 s, by measuring ranges with limits
200V
700V
6 months
400Hz-10kHz
± [0,4 +0,2 (U a / U-1)]%
± [0,5 +0,2 (U a / U-1)]%
10kHz-20kHz
± [0,6 +0,3 (U a / U-1)]%
± [0,5 +0,3 (U a / U-1)]%
20kHz-100kHz
± [1 +0,25 (U a / U-1)]%
± [1 +0,4 (U a / U-1)]%
12 months
400Hz-20kHz
± [0,6 +0,3 (U a / U-1)]%
± [1 +0,4 (U a / U-1)]%
20kHz-100kHz
± [2,5 +0,25 (U a / U-1)]%
± [2,5 +0,4 (U a / U-1)]%
24 months
400Hz-20kHz
± [1 +0,5 (U a / U-1)]%
± [1,5 +1 (U a / U-1)]%
20kHz-100kHz
± [4 +0,4 (U a / U-1)]%
± [4 +0,5 (U a / U-1)]%

Input impedance voltmeter V7-46/1 in the measurement of AC voltage is 2 megohms ± 0,1 MW, the input capacitance of less than 50pF;
Measurement error of the input capacitance of less than ± 5%;
Time measure AC voltage with 4 1/2, 5 1/2 bits display at frequencies up to 100 Hz is not more than 2 seconds at frequencies above 100 Hz - not more than 0.33;
At 3 1/2 digit display during measurement at frequencies above 400 Hz with no more than 0.1;
Voltmeter V7-46/1 provides a measurement of DC current to the measuring ranges with upper limits 20mkA, 200mk A, 2mA, 20mA, 200mA, 2000m A (up to 10A with the external shunt);
Maximum permissible error of measurement of dc current interest for the calibration intervals of 12, 24 months, performance, and the quantization step of each measurement range voltmeter V7-46/1 are equal to the values ​​given in tabl.1.7;
 
Table 1.7 Maximum permissible error of measurement of dc current interest for the calibration intervals of 12, 24 months, performance, and the quantization step of each of the measuring range
 
Ranges
Bystrodey-consequence
The quantization step (number of indications)
20mkA
5izmer / s
100pA (5 1/2)
10izmer / s
1nA (4 1/2)
50izmer / s
10on (3 1/2)
200uA
5izmer / s
1nA (5 1/2)
10izmer / s
10on (4 1/2)
50izmer / s
100nA (3 1/2)
2mA
5izmer / s
10on (5 1/2)
10izmer / s
100nA (4 1/2)
50izmer / s
1 uA (3 1/2)
20mA
5izmer / s
100nA (5 1/2)
10izmer / s
1 uA (4 1/2)
50izmer / s
10uA (3 1/2)
200mA
5izmer / s
1 uA (5 1/2)
10izmer / s
10uA (4 1/2)
50izmer / s
100uA (3 1/2)
2000mA
5izmer / s
10uA (5 1/2)
10izmer / s
100uA (4 1/2)
50izmer / s
1mA (3 1/2)

 

Ranges
Maximum permissible error for calibration interval
24h
6 months
20mkA
± [0,15 +0,1 (I a / I-1)]%
± [0,25 +0,025 (I a / I-1)]%
± [0,15 +0,02 (I a / I-1)]%
± [0,25 +0,025 (I a / I-1)]%
± [0,15 +0,1 (I a / I-1)]%
± [0,25 +0,1 (I a / I-1)]%
200uA
± [0,1 +0,005 (I a / I-1)]%
± [0,15 +0,01 (I a / I-1)]%
± [0,1 +0,001 (I a / I-1)]%
± [0,15 +0,015 (I a / I-1)]%
± [0,15 +0,1 (I a / I-1)]%
± [0,25 +0,1 (I a / I-1)]%
2mA
± [0,1 +0,005 (I a / I-1)]%
± [0,15 +0,01 (I a / I-1)]%
± [0,1 +0,01 (I a / I-1)]%
± [0,15 +0,015 (I a / I-1)]%
± [0,15 +0,1 (I a / I-1)]%
± [0,25 +0,1 (I a / I-1)]%
20mA
± [0,1 +0,005 (I a / I-1)]%
± [0,15 +0,01 (I a / I-1)]%
± [0,1 +0,01 (I a / I-1)]%
± [0,15 +0,015 (I a / I-1)]%
± [0,15 +0,1 (I a / I-1)]%
± [0,25 +0,1 (I a / I-1)]%
200mA
± [0,1 +0,005 (I a / I-1)]%
± [0,15 +0,01 (I a / I-1)]%
± [0,1 +0,01 (I a / I-1)]%
± [0,15 +0,015 (I a / I-1)]%
± [0,15 +0,1 (I a / I-1)]%
± [0,25 +0,15 (I a / I-1)]%
2000mA
± [0,1 +0,005 (I a / I-1)]%
± [0,15 +0,01 (I a / I-1)]%
± [0,1 +0,01 (I a / I-1)]%
± [0,15 +0,015 (I a / I-1)]%
± [0,15 +0,1 (I a / I-1)]%
± [0,25 +0,15 (I a / I-1)]%

 


Maximum permissible error of measuring the strength of the DC voltmeter with an external shunt up to 10A for calibration intervals of 12, 24 months, the speed, the quantization step for each range of measurement equal to the values ​​given in tabl.1.8.
Table 1.8 Maximum permissible error of measurement of dc current interest for the calibration intervals of 12, 24 months, performance, and the quantization step of each of the measuring range
 
Ranges
Bystrodey-consequence
The quantization step (number of indications)
10A
5izmer / s
100uA (5 1/2)
10izmer / s
1mA (4 1/2)
50izmer / s
10mA (3 1/2)

 

Ranges
Maximum permissible error for calibration interval
24h
6 months
10A
± [0,4 +0,01 (I a / I-1)]%
± [0,6 +0,02 (I a / I-1)]%
± [0,4 +0,01 (I a / I-1)]%
± [0,6 +0,02 (I a / I-1)]%
± [0,4 +0,01 (I a / I-1)]%
± [0,6 +0,02 (I a / I-1)]%

 


Table. 1.7, 1.8, and on the following notation:
I to - the final value of the set measuring range (with external shunt to I = 10A);
I - the measured value of the current to the input voltage meters;
The maximum voltage drop on the input circuit of the voltmeter V7-46/1 in the measurement of DC current is not more than:
- 0.25 VNA measurement range with limits 20mkA, 200mk A, 2mA, 20mA;
- 0.28 V at a measuring range with a limit of 200 mA;
- 1B on the range with a limit of 2000mA;
The voltage drop across an external shunt 10A at most 0.5;
The error of measurement of the voltage drop is not more than ± 1%;
Voltmeter V7-46/1 provides a measurement of the RMS value of AC current arbitrary waveform amplitude by a factor of ≤ 3 K and in the frequency range:
- From 40Hz to 20kHz for measuring ranges with upper limits 200mkA, 2mA, 20mA, 200mA;
- From 40Hz to 10kHz at a measuring range with an upper limit of 2000mA;
- From 40 Hz to 2 kHz for measuring range with an upper limit of 10 A (with external shunt);
Maximum permissible error of measurement of AC current-form with values ​​in percent of the measured voltage of up to 0,005 I k I k for calibration intervals of 12, 24 months is equal to that given:
1) in the measurement time tabl.1.9 0.33, 2c;
2) in the measurement time tabl.1.10 0.1;
 
Table 1.9 Maximum permissible error of measurement of AC current freeform
 
Mezhpoveterm interval
Ranges
Maximum permissible error of measurement time 0.33 s, 2 s, in the frequency range
40Hz-10kHz
10kHz-20kHz
12 months
200uA
± [0,6 +0,15 (I a / I-1)]%
± [0,2 +0,15 (I a / I-1)]%
2mA
± [0,6 +0,15 (I a / I-1)]%
± [0,2 +0,15 (I a / I-1)]%
20mA
± [0,6 +0,15 (I a / I-1)]%
± [0,2 +0,15 (I a / I-1)]%
200mA
± [0,6 +0,15 (I a / I-1)]%
± [0,2 +0,15 (I a / I-1)]%
2000mA
± [0,6 +0,15 (I a / I-1)]%
± [0,2 +0,15 (I a / I-1)]%
10A (with external shunt)
± [1 +0,1 (I a / I-1)]% in the frequency range 40Hz-2kHz
24 months
200uA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
2mA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
20mA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
200mA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
2000mA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
10A (with external shunt)
± [1,5 +0,15 (I a / I-1)]% in the frequency range 40Hz-2kHz

Table 1.10 Maximum permissible error of measurement of AC current freeform
 
Calibration interval
Ranges
Maximum permissible error of measurement time 0.33 s, 2 s, in the frequency range
400Hz, 1kHz
10kHz-20kHz
12 months
200uA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
2mA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
20mA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
200mA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
2000mA
± [1 +0,25 (I a / I-1)]%
± [3 +0,3 (I a / I-1)]%
10A (with external shunt)
± [1,5 +0,15 (I a / I-1)]% in the frequency range 40Hz-2kHz
24 months
200uA
± [1,5 +0,5 (I a / I-1)]%
± [4 +0,4 (I a / I-1)]%
2mA
± [1,5 +0,5 (I a / I-1)]%
± [4 +0,4 (I a / I-1)]%
20mA
± [1,5 +0,5 (I a / I-1)]%
± [4 +0,4 (I a / I-1)]%
200mA
± [1,5 +0,5 (I a / I-1)]%
± [4 +0,4 (I a / I-1)]%
2000mA
± [1,5 +0,5 (I a / I-1)]%
± [4 +0,4 (I a / I-1)]%
10A (with external shunt)
± [2 +0,2 (I a / I-1)]% in the frequency range 40Hz-2kHz
The maximum voltage drop on the input circuit of the voltmeter V7-46/1 in the measurement of AC current is not more than:
- 0.25 V for measuring ranges from outside 200uA, 2mA, 20mA;
- 0.28 V at a measuring range with a limit of 200 mA;
B-1B on the measurement range with a limit of 2000mA;
The voltage drop across an external shunt 10A at most 0.5;
The error of measurement of the voltage drop is not more than ± 1%;
Time measurement of AC current at 4 1/2, 5 1/2 bits indicate the frequency range from 40 Hz to 100 Hz up to 2 s, at frequencies above 100 Hz - not more than 0.33;
At 3 1/2 digit display during measurement at frequencies above 400 Hz with no more than 0.1;
Voltmeter V7-46/1 provides a measurement of the DC resistance measurement range to the upper limits of 20 ohms, 200 ohms, 2 ohms, 20 ohms, 200 ohms, 2000 ohms for two and four-wire and 20 MW, 200 MW - two-wire the scheme;
Maximum permissible error of measurement of electrical resistance in a percentage equal to the values ​​given:
1) in the Table. 1.11 - for recalibration interval 6 months;
2) in the Table. 1.12 - for calibration intervals of 12, 24 months;
3) in the Table. 1.11 - within 24h of continuous operation after calibration relative to the outer measure of resistance with an accuracy of 0.005%;
Note. Voltmeter V7-46/1 provides a measurement of the DC resistance on a range of measurements with a limit of 200 MW only in normal conditions;
Speed ​​of the device, the quantization step for each range of measurement of electrical resistance correspond to the values ​​given in tabl.1.11, 1.12;
 
Table 1.11 Maximum permissible error of measurement of electrical resistance
 
Ranges
Bystrodey-consequence
The quantization step (number of indications)
20 ohms
0.1 measurements / a
100 micromhos (5 1/2)
1izmer / s
1 milliohms (4 1/2)
5izmer / s
10 m (3 1/2)
200 ohms
3izmer / s
1 milliohms (5 1/2)
5izmer / s
10 m (4 1/2)
50izmer / s
100 mOhm (3 1/2)
2 k
3izmer / s
10 m (5 1/2)
5izmer / s
100 mOhm (4 1/2)
50izmer / s
1 ohms (3 1/2)
20 kohms
3izmer / s
100 mOhm (5 1/2)
5izmer / s
1 ohms (4 1/2)
50izmer / s
10 ohms (3 1/2)
200 k
3izmer / s
1 ohms (5 1/2)
5izmer / s
10 ohms (4 1/2)
50izmer / s
100 ohms (3 1/2)
2000 ohms
3izmer / s
10 ohms (5 1/2)
5izmer / s
100 ohms (4 1/2)
10izmer / s
1k (3 1/2)
20 M
1izmer / s
100 ohms (5 1/2)
3izmer / s
1k (4 1/2)
5izmer / s
10k (3 1/2)
200 megohms
1izmer / s
1k (5 1/2)
3izmer / s
10K (4 1/2)
5izmer / s
100 ohms (3 1/2)

 

Ranges
Maximum permissible error for calibration interval
24h
6 months
20 ohms
± [0,025 +0,01 (R a / R-1)]%
± [0,04 +0,015 (R a / R-1)]%
± [0,025 +0,02 (R a / R-1)]%
± [0,04 +0,015 (R a / R-1)]%
± [0,1 +0,1 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
200 ohms
± [0,015 +0,005 (R a / R-1)]%
± [0,025 +0,005 (R a / R-1)]%
± [0,02 +0,01 (R a / R-1)]%
± [0,03 +0,01 (R a / R-1)]%
± [0,1 +0,1 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
2 k
± [0,015 +0,0025 (R a / R-1)]%
± [0,025 +0,0025 (R a / R-1)]%
± [0,02 +0,01 (R a / R-1)]%
± [0,025 +0,01 (R a / R-1)]%
± [0,1 +0,1 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
20 kohms
± [0,015 +0,0025 (R a / R-1)]%
± [0,025 +0,0025 (R a / R-1)]%
± [0,02 +0,01 (R a / R-1)]%
± [0,025 +0,01 (R a / R-1)]%
± [0,1 +0,1 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
200 k
± [0,015 +0,0025 (R a / R-1)]%
± [0,02 +0,0025 (R a / R-1)]%
± [0,02 +0,01 (R a / R-1)]%
± [0,025 +0,01 (R a / R-1)]%
± [0,1 +0,1 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
2000 ohms
± [0,02 +0,003 (R a / R-1)]%
± [0,03 +0,003 (R a / R-1)]%
± [0,04 +0,01 (R a / R-1)]%
± [0,05 +0,01 (R a / R-1)]%
± [0,1 +0,1 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
20 M
± [0,04 +0,004 (R a / R-1)]%
± [0,06 +0,004 (R a / R-1)]%
± [0,1 +0,01 (R a / R-1)]%
± [0,15 +0,01 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
200 megohms
± [0,3 +0,1 (R a / R-1)]%
± [0,3 +0,1 (R a / R-1)]%
± [1,0 +0,1 (R a / R-1)]%
± [1,0 +0,1 (R a / R-1)]%
± [3 +0,1 (R a / R-1)]%
± [3 +0,1 (R a / R-1)]%

 


Table 1.12 Maximum permissible error of measurement of electrical resistance
 
Ranges
Bystrodey-consequence
The quantization step (number of indications)
20 ohms
0.1 measurements / a
100 micromhos (5 1/2)
1izmer / s
1 milliohms (4 1/2)
5izmer / s
10 m (3 1/2)
200 ohms
3izmer / s
1 milliohms (5 1/2)
5izmer / s
10 m (4 1/2)
50izmer / s
100 mOhm (3 1/2)
2 k
3izmer / s
10 m (5 1/2)
5izmer / s
100 mOhm (4 1/2)
50izmer / s
1 ohms (3 1/2)
20 kohms
3izmer / s
100 mOhm (5 1/2)
5izmer / s
1 ohms (4 1/2)
50izmer / s
10 ohms (3 1/2)
200 k
3izmer / s
1 ohms (5 1/2)
5izmer / s
10 ohms (4 1/2)
50izmer / s
100 ohms (3 1/2)
2000 ohms
3izmer / s
10 ohms (5 1/2)
5izmer / s
100 ohms (4 1/2)
10izmer / s
1k (3 1/2)
20 M
1izmer / s
100 ohms (5 1/2)
3izmer / s
1k (4 1/2)
5izmer / s
10k (3 1/2)
200 megohms
1izmer / s
1k (5 1/2)
3izmer / s
10K (4 1/2)
5izmer / s
100 ohms (3 1/2)

 

Ranges
Maximum permissible error for calibration interval
24h
24 months
20 ohms
± [0,04 +0,015 (R a / R-1)]%
± [0,06 +0,025 (R a / R-1)]%
± [0,04 +0,02 (R a / R-1)]%
± [0,06 +0,04 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
± [0,25 +0,15 (R a / R-1)]%
200 ohms
± [0,003 +0,005 (R a / R-1)]%
± [0,05 +0,005 (R a / R-1)]%
± [0,03 +0,01 (R a / R-1)]%
± [0,05 +0,01 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
± [0,25 +0,15 (R a / R-1)]%
2 k
± [0,025 +0,0025 (R a / R-1)]%
± [0,04 +0,004 (R a / R-1)]%
± [0,025 +0,01 (R a / R-1)]%
± [0,04 +0,015 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
± [0,25 +0,1 (R a / R-1)]%
20 kohms
± [0,025 +0,0025 (R a / R-1)]%
± [0,04 +0,004 (R a / R-1)]%
± [0,25 +0,01 (R a / R-1)]%
± [0,04 +0,01 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
± [0,25 +0,15 (R a / R-1)]%
200 k
± [0,025 +0,0025 (R a / R-1)]%
± [0,04 +0,004 (R a / R-1)]%
± [0,025 +0,01 (R a / R-1)]%
± [0,04 +0,01 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
± [0,25 +0,15 (R a / R-1)]%
2000 ohms
± [0,05 +0,003 (R a / R-1)]%
± [0,1 +0,01 (R a / R-1)]%
± [0,05 +0,01 (R a / R-1)]%
± [0,1 +0,015 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
± [0,25 +0,1 (R a / R-1)]%
20 M
± [0,1 +0,004 (R a / R-1)]%
± [0,2 +0,02 (R a / R-1)]%
± [0,15 +0,01 (R a / R-1)]%
± [0,25 +0,02 (R a / R-1)]%
± [0,15 +0,1 (R a / R-1)]%
± [0,25 +0,15 (R a / R-1)]%
200 megohms
± [0,4 +0,1 (R a / R-1)]%
± [0,6 +0,2 (R a / R-1)]%
± [1,5 +0,1 (R a / R-1)]%
± [2 +0,2 (R a / R-1)]%
± [4 +0,1 (R a / R-1)]%
± [5 +0,2 (R a / R-1)]%

 


Table. 1.11, 1.12, and on the following notation:
To R - maximum value of the set measuring range;
R - the measured impedance at the input of voltmeters;
DC current flowing through the measured resistance is equal to the values ​​given in tabl.1.13;
 
Table 1.13 DC current flowing through the resistance being measured
 
Ranges
Amperage
20 ohms
1mA ± 0,2 mA
200 ohms
1mA ± 0,2 mA
2 k
1mA ± 0,2 mA
20 kohms
0.1 mA ± 0,02 mA
200 k
1mA ± 0,2 mA
2000 ohms
1mA ± 0,2 mA

The maximum value of the DC voltage to the measured resistance (voltage on the open sockets) not more than 10 V when measured at a range of measurements outside the 20 MW, 200 MW less than 2.1 V;
Voltage measurement error of ± 5%;
In the voltmeter provides performance testing of components.
The limit of additional error V7-46/1 of the ambient temperature for each 10 º C in the temperature range from -10 º C to +50 ° C does not exceed the maximum permissible basic error for calibration interval 6 months when measuring DC and AC voltage and electrical resistance, the double limit - when measuring the ratio of two voltages and half of the maximum permissible basic error for calibration interval 12 months - when measuring DC and AC currents;
The limit of additional error V7-46/1 from the effects of high humidity does not exceed the maximum permissible basic error for calibration interval 6 months when measuring DC and AC voltage and electrical resistance, twice the maximum permissible error for the calibration interval 6 months when measuring the ratio of two voltages and a half Output accuracy calibration interval for 12 months - when measuring DC and AC current;
Voltmeter V7-46/1 has a production and operational stock of 20% on the basic measurement errors, normalized for the calibration interval 6 months when measuring DC and AC voltage, electric resistance, the ratio of two voltages, normalized for 12 months - when measuring DC and AC currents ;
Voltmeter V7-46/1 in the following modes:
- Automatic zero setting;
- Manual measurement range selection;
- Automatic selection of the measuring range;
- A one-off run;
- Run periodically;
- Automatic calibration of the measuring path;
Voltmeter allows continuous operation in the working conditions for a time at least 24h, while maintaining its specifications within the standards set specifications;
Note. Continuous operation time does not include the operating mode setting time voltmeter;
Voltmeter V7-46/1 retains its specifications within the standards set specifications, when powered from the mains AC 220V ± 22V, 50 Hz ± 1,0 Hz and 115V ± 6V, 11V 220V ± 28 Hz frequency of 400 Hz, 400 Hz, 12 Hz , harmonic content is not more than 5%;
The power consumed by the device from the power supply at rated voltage does not exceed 35V ∙ A;
Weight V7-46/1 - no more than 7.5 kg.
Rate the product: V7-46/1
Number of views: 2948
Product rating: 4.7
Number of grades: 488
* rating and all product statistics are updated once a month; information is current as of 24 December 2024

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On our website you can familiarize yourself with the technical characteristics of devices and obtain information on the content of precious metals in devices and radio components manufactured in the USSR. We draw your attention to the fact that often the actual content of precious metals differs by 10-25% from the reference one in a smaller direction! The price of precious metals will depend on their value and mass in grams.

All text and graphic information on the site is informative. The color, shade, material, geometric dimensions, weight, content, delivery set and other parameters of the goods presented on the site may vary depending on the batch of production and year of manufacture. Check with the sales department for more information.

 

If you can make repairs to the device yourself, our engineers can provide you with a complete set of necessary technical documentation: circuit diagram TO, ER, FD, PS. We also have an extensive database of technical and metrological documents: technical specifications (TS), the terms of reference (TOR), GOST (DSTU), the industry standard (OST) test procedure, the method of certification, verification scheme for more than 3,500 types of measuring equipment from the manufacturer this equipment. From the site you can download all the necessary software (the software driver) is required for the product purchased.

We carries out repairs and maintenance of measuring equipment in more than 75 different factories of the former Soviet Union and CIS.

We also have a library of legal documents that are related to our field of activity: the law, code, ordinance, decree, temporary position.