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VK3-61 (VK3-61A)

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28 000 UAH
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Voltmeter VK3-61 (VK3-61A) digital broadband (VK361, VK3 61, bk3-61, bk3 61, bk3 61)

For the measurement of DC, AC, and the amount of DC and AC voltages arbitrary waveform in terms of rms.
Range:
DC voltage 0.01 V-1000 V on the range: 0.1 V 1B, 10V 100V, 1000V (error of 0.4-0.8%)
srednekvadratichsskogo AC voltage 1.7V-10V-3V-1000V in the range of 0.01 V (20 Hz to 2 MHz) and 1B 0.1 (10 Hz - 50 MHz), 10B (10 Hz - 10 MHz) 100B (10 Hz - 1 MHz) 1000 V (10 Hz - 100 kHz) (accuracy 0.4 - 10%)
the rms value of the sum voltage and AC postoyannno 17 * 10 -3 - 1000V in the range of 0.1 V and 1B (0 Hz, 2 Hz - 50 MHz), 10B (0 Hz, 2 Hz - 10 MHz), 100B (0Hz 2 Hz - 1 MHz), 1000V (0 Hz, 2 Hz - 100 kHz) (accuracy 0.5 - 10%)
Input resistance, capacity: 2 M, 25 pF

Voltmeter VK3-61 (VK3-61A) digital broadband designed to measure DC, AC, and the sum of the DC and AC voltage arbitrary waveform in terms of rms and allows its use as a stand-alone or as a part of information-measuring systems for the CPC.
Operating conditions:
ambient temperature from 0 to 50 ° C;
relative humidity of 98% at 25 ° C;
atmospheric pressure of 60 kPa (450 mm Hg) to 100 kPa (750 mm Hg).
Voltmeter VK3-61 (VK3-61A) digital broadband are designed to operate on AC voltage (20 ± 22) V (50 ± 0,5) Hz, with harmonic content up to 5%.
The main areas of use of the instrument voltmeter VK3-61 (VK3-61A) digital broadband: instrumentation, communications equipment, computers, experimental physics, automated control systems, data acquisition and processing, acoustics. The voltmeter can be used in stationary and mobile objects that do not work on the go.
Technical data
Voltmeter BK3-61 (BK3-61 A) digital broadband provides:
DC voltage measurement, B;
measuring AC voltage VAC;
measuring the amount of DC and AC voltages, V-~;
AC voltage measurement dB ~;
measurement of the amount of direct and alternating voltage, dB-~.
The voltmeter measures the DC voltage of positive and negative polarities of up to 1000 V and has a measurement range 100mV, 1V, 10V, 100V, 1000V.
The voltmeter measures the RMS value of the AC voltage up to 1000V on the range:
10mV - in the frequency range 20 Hz-2 MHz, 100 mV - in the frequency range 10 Hz-100 MHz - for the voltmeter to the VK3-61;
in the frequency range 10 Hz - 50 MHz - for voltmeter VK3-61A;
1B - in the frequency range 10 Hz - 100MHz -to voltmeter VK3-61;
in the frequency range 10 Hz - 50 MHz - for voltmeter VK3-61A;
10V - in the frequency range of 10Hz - 10MHz, 100V - in the frequency range of 10Hz - 1MHz; 1000V - in the frequency range of 10Hz - 100kHz
Voltmeter VK3-61 (VK3-61A) digital broadband provides a measurement of rms ac voltage in decibels relative to the value of 1V to 60 dB at the range:
minus 40dB (10mV) in the frequency range 20 Hz-2 MHz;
minus 20 dB (100 mV) in the frequency range of 10Hz-100MHz-voltmeter for VK3-61;
in the frequency range of 10Hz-50MHz - voltmeter for VK3-61A;
0dB (1V) in the range of 10Hz-100MHz - for voltmeter VK3-61;
in the frequency range of 10Hz-50MHz - voltmeter for VK3-61A;
20dB (10B) in the frequency range 10 Hz - 10 MHz, 40 dB (100B) in the frequency range 10Hz - I MHz 60 dB (1000B) in the frequency range 10 Hz - 100 kHz.
The voltmeter measures the RMS sum of the DC and AC voltage (in volts and about the level of 1 mV dB) up to 1000 V (60 dB) on the range: 100mV (minus 20dB), 1B (0 dB), 10V (20dB), 100 V (40 dB), 1000B ( 60db).
In this component of the AC voltage can be in the following frequencies: at the limit of 100 mV (-20 dB) - 2 Hz-100 MHz - for voltmeter BK3-61;
2 Hz - 50 MHz - for voltmeter VK3-61A;
at the limit of 1V (0dB) - 2 Hz - 100 MHz - for voltmeter VK3-61;
2 Hz - 50 MHz - for voltmeter VK3-61A;
at the limit of 10 V (20 dB) - 2 Hz - 10 MHz, at the limit of 100 V (40 dB) - 2 Hz - 1 MHz, the limit of 1000 V (60 dB) 2 Hz - 100 kHz. The peak value of the measured voltage must not exceed 1500V.
Input impedance voltmeter when measuring DC and AC and the amount of voltage is not less than 2 MW for sub-band measurements is 100mV and (2,2 ± 0,2) subband-MW measurements 1V, 10V, 100V and 1000V.
Input capacitance of the voltmeter is less than 25pF. Voltmeter provides V dc rejection ratio of normal form not less than 38 dB at 50 Hz interference.
Voltmeter VK3-61 (VK3-61A) digital broadband provides rejection ratio, common mode DC voltage of at least 60 dB at 1k resistor imbalance in the measurement mode and constant amount of DC and AC voltage, common mode AC at resistance unbalance 1k not less than:
60 dB - in the modes of measuring AC and the amount of DC and AC voltages at: 50Hz frequency interference.
98 dB - in the mode DC voltage at a frequency of 50 Hz interference
Crest factor Ka measured AC voltage of arbitrary shape in the frequency range of 30 Hz and above shall not exceed the values:
Ka = 7Un/Ux.
Crest factor when measuring AC voltage in the frequency range from 30 to 2 Hz decreases linearly and at a frequency of 2 Hz is determined from the expression
Ka ≤ 1,6 Un / Ux, where Un - the final value of the set limit, V;
Ux - the measured voltage, V
The voltmeter has at least 3 1/2 digit display results (4 1/2 discharge at higher resolution) as measured in volts and at least 3 digits (4 bits at higher resolution) as measured in decibels.
Voltmeter VK3-61 (VK3-61A) digital broadband offers: manual range, automatic selection of the measuring range, from time to time and one-time start, remote start with control via the CPC. Voltmeter provides automatic polarity when measuring DC voltage, the sign of the logarithm for measurements in decibels and overload indication. Voltmeter measured in decibels has an opportunity to measure the reference level corresponding to 0dB 1 to 0.7746 B and the reference bias level is not less than 10 dB.
Voltmeter provides all kinds of stress measurement at two settling time.
Time for reading voltmeter from 0 to 0,99-1,01 steady-state value does not exceed: 1,5 - The low setup time (at frequencies of 20 Hz or more); 10s - in the high setup time (at frequencies below 20 Hz ).
Time for reading voltmeter from 0 to 0,996-1,004 steady-state value does not exceed: 3c - The low settling time; 12s - in the high settling time. Limit of acceptable basic error of the voltmeter when measuring DC voltage as a percentage equal to:
± [0,8 + 0,6 (Un / Ux - 1)] at the limit of 100 mV;
± [0,4 + 0,2 (Un / Ux - 1)] to within 1V, 10V, 100V;
± [0,5 + 0,3 (Un / Ux - 1)] at the limit of 1000V.
Limit of acceptable basic error of the voltmeter when measuring AC voltage percentage equal to the values ​​given in Table. 1.
 
Table 1.
 
Type voltmeter
Measurement limit
Frequency band
Limit of acceptable basic error
VK3-61
10mV
20Hz-100kHz
± [1,0 + 0,4 (Un / Ux - 1)]
VK3-61A
20Hz-100kHz
± [1,5 + 0,6 (Un / Ux - 1)]
VK3-61
0.1 MHz to 1 MHz
± [3,0 + 0,4 (Un / Ux - 1)]
VK3-61A
0.1 MHz to 1 MHz
± [3,0 ± 0,6 (Un / Ux - 1)]
VK3-61
1MHz, 2MHz
± [5,0 + 0,4 (Un / Ux - 1)]
VK3-61A
1MHz, 2MHz
± [5,0 + 0,6 (Un / Ux - 1)]
VK3-61
100mV
10Hz-60Hz
± [0,8 + 0,4 (Un / Ux - 1)]
VK3-61A
10Hz-60Hz
± [1,5 + 0,6 (Un / Ux - 1)]
VK3-61
60Hz-100kHz
± [0,6 + 0,4 (Un / Ux - 1)]
VK3-61A
60Hz-100kHz
± [1,5 + 0,6 (Un / Ux - 1)]
VK3-61
0.1 MHz to 1 MHz
± [1,0 + 0,4 (Un / Ux - 1)]
VK3-61A
0.1 MHz to 1 MHz
± [1,5 + 0,6 (Un / Ux - 1)]
VK3-61
1MHz-20MHz
± [2,5 + 0,4 (Un / Ux - 1)]
VK3-61A
1MHz-50MHz
± [5 + 0,6 (Un / Ux - 1)]
VK3-61
20MHz-50MHz
± [5 + 0,4 (Un / Ux - 1)]
VK3-61A
50MHz-100MHz
± [10 ± 0 4 (Un / Ux - 1)]
 
VK3-61,VK3-61A
1B
10Hz-60Hz
± [0,8 + 0,4 (Un / Ux - 1)]
VK3-61,VK3-61A
60Hz-100kHz
± [0,4 + 0,2 (Un / Ux - 1)]
VK3-61,VK3-61A
0.1 MHz to 1 MHz
± [1 + 0 4 (Un / Ux - 1)]
VK3-61,VK3-61A
1MHz-20MHz
± [2,5 + 0, 4 (Un / Ux - 1)]
VK3-61,VK3-61A
20MHz-50MHz
± [5 + 0, 4 (Un / Ux - 1)]
VK3-61
50MHz-100MHz
± [10 + 0 4 (Un / Ux - 1)]
VK3-61,VK3-61A
10B
10Hz-60Hz
± [0,6 + 0,2 (Un / Ux - 1)]
VK3-61,VK3-61A
60Hz-100kHz
± [0,4 + 0,2 (Un / Ux - 1)]
VK3-61
0.1 MHz to 1 MHz
± [0,6 + 0,2 (Un / Ux - 1)]
VK3-61A
0.1 MHz to 1 MHz
± [0,6 + 0,3 (Un / Ux - 1)]
VK3-61
1MHz-10MHz
± [1,5 + 0,2 (Un / Ux - 1)]
VK3-61A
1MHz-10MHz
± [1,5 + 0,4 (Un / Ux - 1)]
VK3-61
100B
10Hz-60Hz
± [0,6 + 0,2 (Un / Ux - 1)]
VK3-61A
10Hz-100kHz
± [0,6 + 0,3 (Un / Ux - 1)]
VK3-61
60Hz-100kHz
± [0,5 + 0,3 (Un / Ux - 1)]
VK3-61
0.1 MHz to 1 MHz
± [1,0 + 0,2 (Un / Ux - 1)]
VK3-61A
0.1 MHz to 1 MHz
± [2,0 + 0,4 (Un / Ux - 1)]
VK3-61,VK3-61A
1000V
10Hz-60Hz
± [0,6 + 0,3 (Un / Ux - 1)]
VK3-61,VK3-61A
60Hz-100kHz
± [0,5 + 0,3 (Un / Ux - 1)]

Limit of acceptable basic error of the voltmeter when measuring AC voltage in decibels δ ~ d B equal to the values ​​calculated by the formula:
δ ~ d B = ± (0,1 δ ~ +0,15)
where δ - basic error measure AC voltage as a percentage.
Limit of acceptable basic error of the DVM to the sum of the DC and AC voltages in decibels dB ~ dB, equal to the values ​​calculated by the formula:
δ ~-dB = (0,1 δ ~ - + 0,2)
Limit of acceptable additional error measure AC voltage by connecting cables and short-K5 to the object of measurement is:
using cable K5 (50 Ohm):
1% - at a frequency of 10 MHz;
5% - at a frequency of 50 MHz for the voltmeter BK3-61A;
10% - at a frequency of 100MHz for the voltmeter BK3-61;
with a cable faults (75 Ohm):
2% - at a frequency of 10 MHz;

10% - at a frequency of 50 MHz for the voltmeter VK3-61A; 20% - at a frequency of 100MHz for the voltmeter VK3-61.
Limit of acceptable additional error when the temperature of the environment, from 5 to 40 ° C is equal to half the limit of acceptable basic error for every 10 ° C.
Limit of acceptable additional error when the ambient temperature changes from 0 to 5 ° C and 40 to 50 ° C is equal to the limit of acceptable basic error for every 10 ° C. Limit of acceptable additional error in wet conditions equal to the limit of acceptable basic error.
DVM to measure AC voltage in volts and decibels provides its specifications within the standards set specifications, if its input DC voltage is not more than:
500B - 10B in the border (20 dB), 100B (40 dB) and 1000 (60 dB);
50 - 10 mV in the range (-20 dB) of 100 mV (-40 dB and 1B (0 dB).
In this case, the peak value of the measured voltage at the limit must not exceed 1000V 1500V. The voltmeter has a production and operating margin in the issuance of at least 20% of the basic error in all modes in the measurement of direct and alternating voltage. The voltmeter is isolated from the body by measuring the input constant and low-frequency signals and allows the body between the input and DC voltage up to 500 V.
Electrical isolation between input voltmeter and the case withstands without breakdown and surface flashover test voltage of 1.7 kV DC in normal conditions and 1 kV - in conditions of high humidity. Electrical isolation between the supply circuit and the voltmeter case withstands without breakdown and surface flashover test voltage AC, 50 Hz 1.5 kV rms in normal conditions and 0.9 kV in wet conditions.
The insulation resistance between the input and the body of a voltmeter, voltmeter between the supply circuit and the case is not less than:
under normal environmental conditions - 20MOm;
at higher ambient temperatures - 5MOm;
at high ambient humidity - 2 MW.
The electrical resistance between the PE terminal of the voltmeter and the body is not more than 0.5 ohms.
Voltmeter VK3-61 (VK3-61A) digital broadband provides its specifications within the standards set specifications, after a setup time of 30 minutes.
Voltmeter allows continuous operation in the working conditions for a time at least 16 hours while maintaining their technical specifications within the rules. Continuous operation time does not include the time of establishment of the regime voltmeter.
Voltmeter maintains its specifications within the standards set specifications, when powered from the mains AC voltage (220 ± 22) V (50 ± 0,5) Hz.
The power consumed by a voltmeter from the power supply at rated voltage does not exceed 50VA.
Voltage industrial radio interference voltage meter, does not exceed:
76 dB at a frequency of from 0.15 to 0.5 MHz 68 dB at a frequency of 0.5 to 6.0 MHz, and 60 dB at a frequency of 6.0 to 100 MHz.
Mean time between failures voltmeter is not less than 8000 h. Gamma voltmeter percent life of at least 10,000 hours at γ = 95%. Gamma-percent lifetime voltmeter at least 10 years old at γ = 90%. Gamma-percent voltmeter storage life of at least 10 years for heated storage or 6 years for unheated storage at γ = 85%. Average recovery time voltmeter less than 8 hours
Voltmeter VK3-61 (VK3-61A) digital broadband has a built-in operating time counter with the limit value of timing at least 2500 hours
Weight voltmeter does not exceed 10kg weight voltmeter with service pack does not exceed 40 kg, the mass transport container with a voltmeter does not exceed 70 kg.
Overall dimensions of the voltmeter does not exceed 488 mm x355x133.

Photos: VK3-61 (VK3-61A)

VK3-61 (VK3-61A) voltmeter image.
VK3-61 (VK3-61A) voltmeter image.
VK3-61 (VK3-61A) front view.
VK3-61 (VK3-61A) front view.
VK3-61 (VK3-61A) side view.
VK3-61 (VK3-61A) side view.
VK3-61 (VK3-61A) rear view.
VK3-61 (VK3-61A) rear view.
VK3-61 (VK3-61A) overhead view.
VK3-61 (VK3-61A) overhead view.
VK3-61 (VK3-61A) bottom view.
VK3-61 (VK3-61A) bottom view.


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