It is allowed to use additional functional modules in the product, the properties of which do not affect the metrological characteristics of the product as a whole.
Composition
The product includes the following main components:
 racks SE204, SE205, SE214  supporting structures in which the component parts of the product are mounted;
 blocks BE252  designed to control boards of relay switches RK2710A, as well as to ensure interaction with an external PC via USB2.0 or ETHERNET interfaces. Up to four RK2710A modules can be installed in each BE252 unit;
 Chassis СН04 AXIe0  provides informational interconnection of VVK AXIe modules installed in it according to the AXIe ‑ 0 standard;
 highvoltage switch modules providing connection of external tested circuits to the measuring inputs of the UPEM installation: VVK AXIe modules; modules PK2710A;
 UPEM installation  installation for checking electrical installation, performing the functions of a megohmmeter, LCR meter, high voltage generator (DC and AC), breakdown installation;
 power supply IP400  provides reproduction of the command voltage and DC current;
 voltage converter PNBA1127300 / 1200 / 19KR  provides reproduction of the command AC voltage with a variable frequency;
 switchboard KPVV170 installed on the SE214 rack;
 a single set of spare parts and accessories (SPTAO);
 set of operational documents (ED);
 software products;
 a laptop with an installed Windows operating system (OS), which performs the functions of a control PC.
Note  Delivery without laptop and / or Windows OS is possible. In this case, the user provides the presence of Windows and laptop independently
Basic modes
The product, using the RK2710A, VVK AXIe modules and the UPEM unit, implements the following automatic verification modes:
 checking the continuity of the circuit;
 checking the connection (short circuit) of the circuit with the rest of the circuits;
 topology check (checking the compliance of the control object with its electrical circuit, represented by a list of electrical circuits and elements);
 checking the insulation resistance of the circuit;
 checking the electrical strength of the circuit insulation.
In the mode of supplying DC and AC voltage from command power supplies, the voltage can be applied to:
 separate product channels;
 group of product channels.
 DC resistance measurement;
 insulation resistance measurement;
 measurement of electrical capacity;
 DC voltage measurement;
 AC voltage measurement;
 pn junction check.
 "Ohmmeter";
 "Megohmmeter";
 "Measuring capacity";
 "Measuring voltage";
 "Check PN junction";
 "Active probe mode".
In the modes "Ohmmeter", "Megohmmeter", "Measuring capacity", "Measuring voltage", measurements are performed between the specified operator:
 two points of one chain;
 two points of different circuits;
 two chains;
 two groups of chains.
In automatic check modes, the operator sets:
 the maximum allowable resistance value for the integrity check mode;
 the minimum allowable resistance value for the communication test mode (short circuit test  SC) of the circuit with the rest of the circuits;
 test voltage value and minimum allowable insulation resistance value for the insulation resistance test mode;
type of test voltage  direct or alternating current, the value of the test voltage, the value of the test (check) time and the rise time of the test voltage to the specified value for the dielectric strength test mode.
The results of the automatic modes can be recorded and saved in the test report indicating the set parameters, date and time of the test. The test report is stored in the form of a file and can be displayed on the screen of a PC monitor, printer, or recorded on a data carrier.
DC resistance measurement and verification can be performed with a twowire or fourwire measurement. The type of measurement scheme is specified by the user in the "Resistance meter setting" check or using code words is specified in the "Measurement program" check of the AFK9110 program.
Table 1.1
Range, V 
DC voltage setting step, V 
Limits of permissible absolute error of reproduction of DC voltage, V 
0,1 to 30  0,1  ± (0,002·U_{восп }+ 0,03) 
25 to 100  1  ± (0,01·U_{восп }+ 1) 
101 to 2120  1  ± (0,01·U_{восп }+ 2) 
Note  U_{восп} – set value of DC voltage (V) 
The product is capable of reproducing 50 Hz rms AC voltage. The range, step of installation and the limits of the permissible relative error of reproduction of the rms values of the AC voltage are given in table 1.2.
Table 1.2
Range, V 
Step of setting the rms value of the AC voltage, V 
Limits of permissible relative error of reproduction of the rms value of the AC voltage,% 
25 to 1500  1  ± 2 
The product provides constant current reproduction. The range, step of installation and limits of the admissible absolute error of reproduction of the DC current are given in table 1.3.
Table 1.3
Range, mA 
DC current setting step, mA 
Limits of permissible absolute error of reproduction of DC current, mA 
0,1 to 100 
0,01  ± (0,005 × I_{восп }+ 0,01) 
101 to 2000  1  ± (0,005 × I_{восп }+ 1) 
Note  I_{восп} – constant current setpoint (mA) 
Table 1.4
Range, s 
Step for setting test voltage holding time, s 
Limits of absolute error of setting the test voltage holding time, s 
1 to 600  no more than 1  ± (0,02 × Т + 0,1) 
Note  T is the specified withstand time of the test voltage 
The product provides in the modes of checking the dielectric strength of insulation and checking the insulation resistance at the total values of the reactances of the circuits L <5 μH and C <500 pF rise of the test voltage with a given value of U from 0.1 U to 0.9 U in a time not more than (Tn + 0.05 Tn), where Tn is the rise time, set with in 0.1 s increments in the range from 0.1 to 60 s
Table 1.5
Range, nF 
Limits of permissible relative error in measuring electrical capacity,% 
0,1 to 10^{4}  ± 5 
The product provides measurement and verification of electrical resistance to direct current using a twowire measurement circuit.
The range and limits of the permissible absolute error of electrical resistance to direct current are shown in Table 1.6.
Table 1.6
Range, Ohm 
Limits of permissible absolute error in measuring direct current electrical resistance using a twowire measurement circuit, Ohm 
0,1 to 1  ± (0,002·R_{изм}+ 0,03) 
1 to 10^{7} 
± (0,002·R_{изм} + 0,2) 
Note  R_{изм} – measured value of DC resistance (Ohm) 
The range and limits of the permissible absolute error of electrical resistance to direct current according to the fourwire measurement circuit are shown in Table 1.7.
Table 1.7
Range, Ohm 
Limits of permissible absolute error of measurements of electrical resistance to direct current in a fourwire measurement circuit, Ohm 
0,001 to 10^{7}  ± (0,002·R_{изм}+ 0,002) 
Note  Rизм – measured value of DC resistance (Ohm) 
The product provides measurement and verification of insulation resistance.
The range and limits of the permissible relative error in measuring the insulation resistance are given in Table 1.8.
Table 1.8
Range, MOhm 
Limits of permissible relative error of insulation resistance measurements,% 
0,1 to 499  ± (1 + k·R_{изм}/U_{исп}) 
500 to 1000  ± (2 + k·R_{изм}/U_{исп}) 
Note


The average time for measuring and checking the resistance of a circuit consisting of two points (a circuit connected to two channels of the product) does not exceed the values indicated in table 1.9.
Table 1.9
Aperture, ms 
Average measurement time, ms 
2  35 
20  55 
The average time for measuring and checking insulation resistance does not exceed the values indicated in table 1.10.
Table 1.10
Test voltage, V 
Average measurement time, ms 
5 to 500  0,5 
501 to 2000  1,3 
The product provides DC voltage measurement.
The ranges and limits of the permissible absolute error in measuring the DC voltage are given in Table 1.11.
Table 1.11
Range, V 
Limits of permissible absolute error of DC voltage measurement, V 
0,1 to 0,1  ± (0,002·U_{изм} + 0,0002) 
1 to 1  ± (0,002·U_{изм} + 0,002) 
10 to 10  ± (0,002·U_{изм} + 0,02) 
100 to 100  ± (0,002·U_{изм} + 0,2) 
700 to 700  ± (0,003·U_{изм} + 0,3) 
Note  U_{изм}  measured value of DC voltage (V) 
The product provides an AC voltage rms measurement. Measurement ranges and limits of the permissible relative error of the rms value of the AC voltage are given in Table 1.12.
Table 1.12
Range, V 
Limits of permissible relative measurement error of the rms value of the AC voltage,% 
0 to 10  ± 5 
0 to 100  ± 5 
0 to 700  ± 5 
Note  The limits of the permissible relative error of AC voltage measurements are given for the measured values of AC voltage with a frequency of 50 Hz 
The product provides testing of dielectric strength of insulation by applying DC voltage or AC voltage to the tested circuit and monitoring the leakage current. When the leakage current reaches the specified threshold value of the breakdown current, insulation breakdown is recorded, with the disconnection of the test voltage source.
The product measures leakage current when an AC voltage is applied. The range and limits of the permissible absolute error in measuring the insulation leakage current when the AC voltage is applied are given in Table 1.13.
Table 1.13
Range, μA 
Limits of permissible absolute error of insulation leakage current measurements when AC voltage is applied, μA 
10 to 7000  ± (0,05·I_{изм }+ 2) 
Note  I_{изм} – measured value of leakage current (μA) 
The product provides measurement of electrical resistance to direct current using a fourwire circuit at a given polling current of 100 mA.
The range and limits of the permissible absolute error of DC resistance measurements are given in Table 1.14.
Table 1.14
Range, Ohm 
Limits of permissible absolute error of DC resistance measurements using a fourwire circuit at a given polling current of 100 mA, Ohm 
0,001 to 30  ± (0,005·R_{изм} + 0,0003) 
Note  R_{изм} – measured value of DC resistance (Ohm) 
The product provides the ability to supply DC and AC voltages from the command power supplies IP400 ФТКС.436237.003 and the voltage converter PNBA112 / 300/1200 / 19KR (hereinafter referred to as PNBA).
The ranges and errors of permissible voltages and currents of the IP400 power supply are given in Table 1.15.
The ranges and errors of permissible voltages and currents of the PNBA112 / 300/1200 / 19KR voltage converter are given in Table 1.16.
Table 1.15  Technical characteristics of the IP400 power supply
Description of characteristics 
Value 
DC voltage reproducible range, V  0,1 – 40 
Limits of permissible absolute error of reproduction of DC voltage, V 
± (0,05·10^{2}U_{уст} + 0,010), where U_{уст }– is the value of the set reproducible DC voltage 
Range of reproducible DC current, A  0,1 – 10 
Limits of permissible absolute error of reproduction of direct current strength, A 
± (0,1·10^{2} Iуст + 0,060), where I_{уст} – settable reproducible DC current 
Table 1.16  Specifications ПНБА112/300/1200/19КР
Description of characteristics 
Value 
AC voltage with frequency up to 400 Hz, V  300 
Limits of permissible absolute error of reproduction of AC voltage, V  ± 0,5 % 
Range of reproducible AC current, A  0  9 
Limits of permissible absolute error of reproduction of AC current, A  ± (0,5 % + 0,5 % ×((I_{макс}I_{изм})/I_{макс}) +1 ед. мл. разряда)) 
The number of measuring channels of the product  500 
Maximum reproducible DC voltage  2120 V 
Time of preparation of the product for work  no more than 20 minutes, of which 10 minutes takes the time to warm up the equipment 
Continuous operation  22 hours followed by a break of at least 2 hours 
Product power supply 
from a singlephase AC network with a voltage of (220 ± 22) V and a frequency of (50 ± 1) Hz 
Power consumed by the product through the power supply  no more than 1500 VA 
Weight  600 kg 