MNIPI

Technical specifications: The waveform is sinusoidal, rectangular (TTL) Frequency range from 0.1 Hz to 10 MHz Frequency setting error ±0.02% Frequency instability ±0.01% in 15 min Signal amplitude ± 2.5 V at 50 ohm load ±5 V without load Limits of adjustment of the output signal level from 2 mV to 1.85 V (skz) at a load of 50 ohms from 4 mV to 3.75 V (scz) without load Signal level unevenness ± 5% at frequencies from 0.1 to 10 Hz relative to 1 kHz ± 2% at frequencies from 10 Hz to 1 MHz ±10% at frequencies from 1 to 10 MHz Harmonic coefficient ± 0.2% at frequencies from 10 to 100 Hz ±0.07% at frequencies from 100 Hz to 20 kHz ± 0.2% at frequencies from 20 to 120 kHz ±1% at frequencies from 120 kHz to 1 MHz ±4% at frequencies from 1 to 10 MHz Parameters of the rectangular (TTL) signal form log. "1" 3 2.4 V; log. "0" ≤ 0.4 V In the frequency range from 0.1 Hz to 2 MHz, the duration of the front, the cutoff is not more than 100 ns Operating temperature range from minus 10 °C to + 40 °C Power supply ~230 V, 50 Hz; 10 V×A Dimensions; weight 210×71×255 mm; 2 kg

Designed for measuring the frequency and period of sinusoidal and pulse signals, measuring pulse duration, time intervals, pulse duty cycle, frequency ratio of electrical signals, counting the number of pulses, output of reference frequency signals. Technical specifications: Input to (sinusoidal signal) - range 100 - 3200 MHz Input A, C (sine, pulse) - range 0.01 - 200 MHz The number of averages. the period of the input signal is 1 ... 105 Borehole measurement by inputs – 1.000001- 999999999 Frequency ratio in channels: A/S, C/A, B/C and B/A - up to 999999999 Quartz thermostatic generator The nominal frequency value is 5 MHz Error: ± 2•10-8 - in 30 days, ± 5•10-8 - in 12 months Overall dimensions (HXHL) - 345x285x106 mm Weight: 4 kg Reference generator: ±5x10-8 for 12 months. Operating conditions: - 10° C ... +50° C

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

Technical specifications: Frequency range of sinusoidal waveforms, 0.1 Hz - 17 MHz Frequency range of rectangular-shaped signals, 0.1 Hz - 1 MHz Frequency setting discreteness, ±(0.012 + 0.0001 f), f in Hz Frequency instability in 15 minutes, no more than ± 1•10-5 Smooth signal attenuation, 40 dB Stepwise signal attenuation, 20, 40, 60 dB

Two-channel analog switch with signal summation function Designed for use in oscilloscopes with a bandwidth up to 350 MHz. Technical specifications: The value of the voltage between the outputs of the switch at load resistance RN = (50 ± 2.5) ohms and opening voltages UU1 = (2.0 ± 0.2) V and locking UU2 = (4.2 ± 0.2) V channels supplied alternately to the corresponding inputs (start 1, start 2) of the switches must be: in the absence of an input signal from minus 0.1 to plus 0.1 V with an input signal UC = (0.3 ± 0.05) V supplied to one of the inputs of the open channel (0.45 ± 0.1) V with an input signal UC = (0.3 ± 0.05) V supplied to one of the inputs of both open channels (0.45 ± 0.1) V

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: 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 %

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: 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

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

The software and hardware complex with a set of sensors for physics classrooms is designed to measure physical quantities during demonstration work on various sections of physics, as well as to perform experimental work on physics. The set of units of the measuring system is compatible with a PC, has software with an instruction manual. The sensor kit includes 10 sensors for measuring the following physical quantities: - temperature sensor DTV-1 (measuring range -200C + 1100 S); - air humidity sensor DTV-1 (measuring range 10-100%); - pressure sensor DD-1 (measuring range 0-700 kPa); - acceleration sensor DUIMP-1 (measuring range - 4 – + 4 g); - permanent magnetic field induction sensor DUIMP-1 (- 8 – + 8 Gs); - illumination sensor DSCH-1 (measuring range 1 -60 000 lux); - distance sensor DR-1 (measuring range 0.04 – 4.0 m); - angular velocity sensor DUPUS-1 (remote) (measuring range 0 – 210 0/ c); - rotation angle sensor DUPUS-1 (measuring range ±3600); - flame temperature sensor DTP-1 (measuring range 100 – 11000 S).

A high-speed signal limiter amplifier. Designed for use in electronic counting frequency meters. Description: The magnitude of the input signals for selecting the switch input and inverting the signal of the limiter amplifier at a supply voltage of ± 5 V: - logical "0" not more than 0.2 V; - logical "1" at least 4.8 V. The value of the input signals of switching on / off the switch at a supply voltage of ± 5 V: - logical "0" no more than 3.3 V; - logical "1" at least 4.1 V. The magnitude of the output signals of the switch at a supply voltage of ± 5 V and a load of 300 ohms connected to zero potential: - logical "0" from 3.1 V to 3.4 V; - logical "1" from 4.0 V to 4.3 V. The minimum input voltage of the sinusoidal shape in the frequency range from 10 Hz to 200 MHz should be no more than 30 mV. The maximum input voltage of the sinusoidal shape in the frequency range from 10 Hz to 200 MHz must be at least 1 V. The value of the supply voltage: - positive 5±0.2 V; - negative -5±0.2 V. The current consumption should be no more than: - from a positive power source 110 mA; - from a negative power supply 35 mA.