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Technical specifications: Output voltage (DC and AC), 0 - 2 kV; 0 - 5 kV Built-in AC power supply, 10 - 25 A The amplitude value of the DC voltage ripple relative to the set output voltage of 5 kV at idle is not more than ± 5% Error in setting the output voltage, ± 3% Protection tripping current, 101 -- 140 mA Load current of DC and AC output voltage, not less than 1 mA The limit of measuring the resistance of the integrity of the circuit connection, 0, 01 – 0.10 ohms

Technical specifications: 4-channel automated system for measuring the parameters of semiconductors (including test structures on plates) Study of the VAC of 2, 3, 4-pole Parameters of each channel Source/meter:- U: ±2 V, ±30 V (200 mA), ±120 V (±10 mA), I: ±20, ±200 nA, ±2, ±20, ±200 Ma, ±2, ±10mA, (±120V), ±20, ±200 mA (±30V) Source and meter error U, I ± 0.5% Sensitivity of the U/I meter: 10 mv/ 0.1 pA Graphs, tables, texts, databases RS-232C interface, computer software Dimensions, weight: 450x266x444 mm, 23 kg Power supply: ~220V, 120 VA

Technical specifications: Frequency range, from 0.1 Hz to 1 Frequency range, from 0.1 Hz to 1 MHz Frequency setting error, ± 1 % Signal amplitude: - at a load of 600 ohms - without load, not less than 5 V (10 V span) not less than 10 V (20 V span)Smooth signal attenuation, at least 20 dB Frequency stability in 15 minutes, no more than 0.5% Hz Frequency setting error, ± 1 % Signal amplitude: - at a load of 600 ohms - without load, not less than 5 V (10 V span) not less than 10 V (20 V span) Smooth signal attenuation, at least 20 dB Frequency instability in 15 minutes, no more than 0.5 %

Technical specifications: Voltage reproduction range Uk 200 mV 0.07 + 0.01 DC: from 50 MV to 600 V, Uk 2 V 0.05 + 0.005 sub-bands (UK) 200 MV; 2; 20; 200; 600 V Uk 20 V 0.05 + 0.005 Basic error, ± (% of U + % of Uk): Uk 200 V 0.07 + 0.01 Uk 600 V 0.1 + 0.02 Voltage reproduction range Uk 200 mV 0.2 + 0.05 AC: from 1 mV to 600 V, sv. 20 to 40 kHz 0.2 + 0.1 sub-bands (Uk) 200 mV; 2; 20; 200; 600 V Uk 2; 20 V 0.15 + 0.02 Basic error, ± (% of U + % of Uk): from 20 Hz to 20 kHz 0.15 + 0.02 Uk 200 V; 600 V: 0.2 + 0.05 from 40 Hz to 1 kHz 0.2 + 0.05 DC power reproduction range: from 1 Ma to 200 mA, sub-bands (Ic) 200 Ma; 2; 20; 200 mA Ic 200 Ma 0.1 + 0.02 Basic error, ± (% of I + % of Ic): Ic 2; 20; 200mA 0.1 + 0.01 Power reproduction range AC: from 10 Ma to 200 mA, sub-ranges (Ic) 200 Ma; 2; 20; 200 mA 0.15 + 0.05 Frequency range from 20 Hz to 1 k Hz Basic error, ± (% of I + % of Ic): USB interface Operating temperature range from minus 10 to +50 C Dimensions; weight 428×327×235× mm; 10 kg

The devices are designed for: measurements and registration of the main indicators of the quality of electrical energy established by GOST 32144-2013 (GOST R 54149-2010) with registration of protocols according to GOST 33073-2014; measurements and registration of the main parameters of electrical energy in single-phase and three-phase electrical networks (including the effective values of voltages and currents with sinusoidal and distorted curves; active, reactive and full electrical power); measurements of parameters of secondary circuits (load capacity of measuring transformers and voltage drop) in electric energy metering systems and electric energy losses in power supply lines. functional test and verification of connection of meters of active and reactive power and energy, energy measuring converters of voltage, current at the places of their operation; functional test and verification of the connection of single-phase and three-phase electric energy meters without breaking current circuits to detect theft of electricity; measurements of electricity losses in the power supply line. The PKE-A energy tester provides registration with subsequent transfer to a personal computer (PC) of statistical data on the PKE: Values of the PCE according to GOST 30804.4.30 (GOST P 51317.4.30) and GOST 30804.4.7 (GOST P 51317.4.7) with a registration depth of 512 days; Values and durations of voltage dips and overvoltages; Values of the short-term dose of flicker; Parameters of the electrical network and vector diagrams with the depth of registration: - 24 hours for averaging time of 3 s, - 200 days for averaging time of 10 min. The program "Energy Monitoring ES" provides the formation of quality control protocols in the form of GOST 33073-2014.

Technical specifications: Wide frequency range 25 Hz–3 MHz Capacity (10-15-1) F Inductance (10-11-104) Gn Resistance (10-5-109) Ohms Conductivity (10-11-10) Cm Modulus of complex resistance (10-5-109) ohms Reactance (10-5-109) Om Phase shift angle -90° – +90° Q factor, loss factor 10-4-104 Leakage current (10-8-10-2) A The error is ±0.1% Offset voltage 0 – 40 V (external up to 120 V) Measuring signal level (0.005 – 1) V RS-232C, USB 2.0 interfaces Mathematical processing of measurements Dimensions, weight: 134x270x320 mm, 4 kg Power supply ~230 V, 20 VA

The flaw detector allows continuous monitoring of polymer, epoxy and enamel coatings of pipelines with a diameter from 219 to 1420 mm and selective control of polymer, epoxy, enamel and bitumen coatings of pipelines of any diameter. The flaw detector provides detection of local through defects of insulation coatings of pipelines with a dry surface. The flaw detector allows for continuous monitoring The flaw detector uses an electric spark control method. The flaw detector is designed to work at: - ambient temperature, °C: from minus 30 to plus 50; - relative humidity at a temperature of +25°C, %: 98; - atmospheric pressure, kPa: from 84.0 to 106.7. Technical specifications. Test voltage, kV: up to 40 Minimum diameter of detected defects, mm: 0.6±0.2 Operating temperature range, °C: -30...+50 Power supply -from the built-in 12V battery -from an external DC power supply current with a voltage of 12 V Continuous operation time, h: 8 Operating mode setting time, min: 1 Overall dimensions, mm, no more: - control and monitoring unit 200 x 158 x 91 - high voltage transformer 410x f90 Weight, kg, no more,: - control and monitoring unit 2.5 - high voltage transformer 1.5 Defect alarm light and sound The kit includes: Bag Suitcase Battery charger Earthing device Electronic Magnet Unit Probes for continuous monitoring- 5 pcs 0 – 400 mm; 1 – 650 mm; 2 – 735 mm; 3 – 840 mm; 4 – 980 mm. Probes for local control - 3 pcs VT-1 High voltage transformer Pin Probe extension Holder Bushing Nipple - 4pcs set of documentation (passport, manual, calibration)

Technical specifications: DC voltage , Measuring range, 10 mv-1000V Measurement error, ± (0.05% +4 E.M.R.) AC voltage , Measuring range, 1 mV - 750 V Measurement error, ± (0.5% +4 E.M.R.) Frequency range, 20 Hz- 100 kHz Direct current , Measuring range, 0.1 µA - 10 A Measurement error, ± ( 0.25% +4 E.M.R.)

Technical specifications: Extended frequency range 50 kHz–15 MHz The basic error is ±0.2 % The level of the measuring signal is 40 mV – 1 V s.c . Offset voltage (0 – 40) V The discreteness of the operating frequency setting is 1 Hz Graphical analysis of measured values in a given frequency range USB 2.0 interface -100 C to 400 C; humidity 90% at 300 C Dimensions, weight: 270x134x320 mm, 5 kg Power supply ~230 V, 20 VA

Technical specifications: DC voltage , Measuring range, 10 MV - 1000 V Measurement error, ± 0.03% AC voltage , Measuring range, 1 mV - 750 V Measurement error, ± 0.4% Frequency range, 20 Hz- 100 kHz Direct current , Measuring range, 1 mkA - 2 A (B7-91/1) Measuring range, 1 mkA - 20 A (B7-91) Measurement error, ± 0.03%