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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

Technical specifications: DC voltage , Measuring range, 10 mv-1000V Measurement error, ± 0.01% AC voltage , Measuring range, 1 mV - 700 V Measurement error, ± 0.4% Frequency range, 20 Hz- 1 MHz Direct current , Measuring range, 0.2 µA - 10 A Measurement error, ± 0.15%

It is intended for use in higher and secondary educational institutions during laboratory workshops on training specialists in engineering and technical specialties and natural science disciplines. Technical specifications: Upost.- 0.1 mV - 500 V; Uperem.- 1 mV-300 V (40 Hz-20 kHz) Ippost. - 0.1 mkA- 2 A; Iperem. - 1.0 mkA - 2 A (40 Hz-1 kHz) Rpost. - 0.1 Ohm – 20 mOhm Generation of triangles, pilobr., "meander", sinusoid. signal in the frequency range 0.1 Hz – 1 MHz Frequency measurement in the range of 0.1 Hz – 1 MHz The form of the measured signals is sine, pulse Constant voltage: at a current of 1 A - + 5 V at a current of 0.5 A for each channel - ± 12 V Adjustable Uppost. at a current of up to 1 A - 0 – 30 V Dimensions - 170x340x380 mm Power supply – 230 V, 50 Hz, 200 VA - max. Weight – 8.0 kg

Technical specifications: Wide frequency range 25 Hz–1 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 (0.04 – 1) V RS-232C interface Mathematical processing of measurements Dimensions, weight: 127x298x300 mm, 4 kg Power supply ~220 V, 20 VA

It is intended for the study of periodic electrical signals by visual observation and measurement of their amplitude and time parameters on the scale of the CRT screen in the frequency band 0-50 MHz, as well as for monitoring the parameters of two- and three-pole devices using a component tester. Technical specifications: Number of channels 2 Bandwidth 0 - 50 MHz Deviation coefficients of 2 mV/div - 20 V/div (step1-2-5) Installation error ± 3%, ± 4% with a 1:10 divider Rise time of PH <= 7 nsec Input impedance is 1 mOhm/25 pF, with a divider of 1:10 - 10 mOhm/23 pF Harsh operating conditions (-10°C to +40°C) Bandwidth 0 - 50 MHz Two channels Indication of deviation and sweep coefficients on LED matrices Tenfold stretching of the sweep Calibrator 0.6 V, 1 kHz (± 1%) X-Y mode Built-in Component Tester Screen 80x100 mm Weight 6,8 kg

Detection of SCR in all possible range of its characteristics High reliability Self-monitoring of components Backup power supply Recording and storage of measurement results in the non-volatile memory of the device The possibility of integration with external security systems DRG-AT2331 together with SRK-AT2327, personal computer and software "SARK.NET " allows you to form an alarm system for detecting the occurrence of a self-sustaining chain reaction (SAS SCR).

A high-precision dosimeter with extensive functionality: measurement of DC power, electric charge, charge by numerical integration of current, kerma and kerma power in the air, kerma by numerical integration of kerma power and other radiological quantities. Composition of the dosimeter: - Electrometric measuring unit (electrometer) - PTW-Freiburg ionization chambers (Germany) to choose from: TM23342 Flat-parallel X-ray (volume 0.02 cm3) TM31010 Cylindrical (volume 0.125 cm3) TM30010 Thimble (volume 0.6 cm3) TM23361 Cylindrical (volume 30 cm3) TM32002 Spherical (volume 1000 cm3)

System meter of small currents. The device allows to make measurements in almost the entire range of currents. The picoammeter is characterized by high performance, which is important for its use as part of automated measuring systems. Technical specifications: Current measuring range 1x10-14 - 1x10-2 A Error for the range 10-11, 10-10 ±[0.5+0.025(lk/lx-1)]% for the range 10-9, 10-8 ±[0.25+0.01(lk/lx-1)]% for the range 10-7, 10-6,10-5, 10-4,10-3, 10-2 ±[0,1+0,01( lk/lx-1)]% The time of setting the readings is 2x10-2 - 2x10-5 s Supply voltage 230 (±20) V, frequency 50 (± 0.5) Hz Power consumption 10 VA Overall dimensions (HxWxD) 105x284x366 mm Weight 3.5 kg Operating temperature 5 - 40 °C Humidity 80% at 25 °C

General monitoring of contamination of various objects with radioactive substances in the counting rate mode, with the possibility of separate measurement of the alpha particle flux density and beta particle flux density, as well as the gamma radiation dose rate A wide range of measurements The possibility of using an extension rod

Technical specifications: Extended frequency range 25 Hz–10 MHz The basic error is ±0.1 % The level of the measuring signal is 5 mV – 1 V S.K.z. 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

Technical specifications: Frequency range (300-1000) MHz SWR < 2 The limit of permissible error of the antenna coefficient, not more than ± 2.0 dB Orthogonal polarization signal level -20 dB Ambient air temperature from - 50 to + 60 Relative humidity of 95 % at + 35 ° C Overall dimensions (HxWxD) 400x145x150 mm Weight 1 kg

Measurements in wide ranges of capacities doses and energies Measurement of dose rate and duration of exposure during short-term radiation from 0.03 s Measurement of the average dose rate of pulsed radiation with a pulse duration of 10 ns (AT1123) The possibility of remote measurements using a remote control The possibility of stationary location with external audible and visual alarms with "dry" contacts for controlling actuators The possibility to connect to a PC for organizing a continuous monitoring system with a documentation function