MNIPI

Designed to measure the frequency or single and averaged period of sinusoidal and pulse signals, as well as to measure the pulse duration and frequency ratio, with a guaranteed measurement error of up to 10-7za year. Description: Ch3-81 (inputs A, B, C) – range 0.1 Hz–2.5 GHz Ch3-81/1 (inputs A, B) – range 0.1 Hz–200 MHz Frequency measurement, frequency ratios Measurement of the period, duration of 1 microsecond–10000 s Signal level 30 mV–10 V (eff.), pulse up to 30 V Thermostated quartz 5 MHz: ±10-7 (year) ±7.5X10-9(day) Frequency temperature departure: ±2.5X10-8 (+5...+40 °C) Number of averaged periods: 1-104 Timestamps 10-7-10-3 s RS-232 interface 8-bit SD indicator Dimensions, weight 80X220X300 mm, 3 kg Power supply: ~ 220V, 20V

Designed to measure the potentials of electrostatically charged objects, the strength of the electrostatic field and the surface density of electric charges. Technical specifications: Measuring range 0.02-50 kV The error is 5-10% The intensity of the electrostatic field Measuring range 2-1000 kV/m Error 5% Surface density of electric charges Measuring range 0.02-10 µcl/m2 Error 5% Measurement of the electrostatic field strength (2-1000 kV/m) Measurement of the potential of charged objects (0.02–50 kV) Measurement of surface charge density (2x10-8–1x10-5Kl/m2) Measurement error ±(5-10) % Laser pointer of the distance to the object (2, 10 cm) 3.5-digit indicator (LCD with image flip) RS-232C interface Dimensions, weight 40x106x268 mm, 0.7 kg Built-in battery for 8 hours of operation Power supply: ~220, 5 VA, 4.5–5.5 VA battery

It is designed to measure relative humidity and air temperature in industrial, warehouse and residential premises, in climatic chambers and technological highways, in open areas (weather stations). Technical specifications: Measurement of relative humidity measuring range (10-100) % resolution 0.1% basic measurement error ± 3% Temperature measurement measuring range (-60 ... +300) ° C resolution 0.1 °C measurement error ± (0.5 - 1.5) ° C Power supply network adapter, built-in battery USB 2.0 interface Weight 1.5 kg The verification interval is 1 year

The software and measurement complex includes a set of sensors and is intended for use as a demonstration material, setting up an experiment. The complex consists of a set of sensors and a software package. The measurement results are displayed in the form of graphs and digital values on the PC screen. The sensors are designed to work together with a PC via a USB 2.0 interface, running software compatible with Microsoft Windows 10 PRO. The software and measurement complex includes a set of sensors and is intended for use as a demonstration material, setting up an experiment. The complex consists of a set of sensors and a software package. The measurement results are displayed in the form of graphs and digital values on the PC screen. The sensors are designed to work together with a PC via a USB 2.0 interface, running software compatible with Microsoft Windows 10 PRO. The complex is accompanied by: - product passport; - instruction manual; - an inventory of investments. The warranty period for the product is at least 24 months.

Designed to measure the insulation resistance of electrical circuits that are not under voltage, in the range from 10 kOhm to 100 Gom. Technical specifications: Ranges: 10kOhm–100gohm Measurement error: ±(1.5–2.5)% Test voltage: 2500 V 3 digit digital indicator Built-in battery Dimensions, weight: 150x170x200 mm, 4 kg Power supply: ~110, ~220, 15 VA, 12V battery Operating temperature: -20 °C – +50 °C

Technical specifications: Frequency range, from 2 Hz to 2 MHz Frequency setting error, ± 1 % Signal amplitude: - at a load of 600 ohms , at least 5 V at least 10 V Smooth signal attenuation, at least 20 dB Frequency instability: - in 15 minutes - for 180 minutes, no more than 0.1% no more than 0.5 % Harmonic coefficient: - in the frequency range from 10 Hz to 20 Hz - in the frequency range sv. 20 Hz to 200 kHz - in the frequency range of 200 kHz to 2 MHz, not more than 0.5% not more than 0.2% not more than 1 %

Technical specifications: Azimuth rotation angle from 0° to 360° with a reading of 0.1° The angle of rotation according to the angle of the place from minus 30° to plus 90° with a count of 0.1° The angle of rotation of the polarization plane from minus 95° to plus 95° with a count of 1° The installation height of the axis of the orientation mechanism is from 1.35 to 2.5 m. Note – The maximum height is determined when the rack is installed, the smooth lifting mechanism is fully extended and the legs are fully extended to the stop, extended at an angle of 30° to the axis of the azimuth mechanism. Smooth height adjustment of the axis of the orientation mechanism 0.25 m In terms of strength under climatic and mechanical influences, the rotary support device (OPU) complies with the norms of group 6 GOST 22261-94 Overall dimensions of the OPU - 1687x2500 (shown in the unfolded state at maximum height. The size Ø1687 is the diameter of the circumscribed circle along the vertices of the triangle occupied by the OPU on a horizontal platform) Operating conditions of the OPU: ambient temperature from minus 50 to plus 60 ° C The mass of the OPU is 19.5 kg

Technical specifications: The waveform is sinusoidal, meander, triangular, sawtooth, (straight, reverse), offset, rectangular (TTL) Frequency range from 0.1 Hz to 2 MHz Frequency setting error ±0.05% Frequency instability ±0.02% in 15 min The amplitude of the signal is sinusoidal ± 5 V at a load of 600 ohms of the form ± 10 V without load Signal span: meander, triangular, ± 10 V at 600 ohm load sawtooth (forward, reverse) ±20 V without load Limits of output signal level adjustment: -sinusoidal shape from 4 mV to 3.7 V (skz) at a load of 600 ohms from 8 mV to 7.4 V (scz) without load -meander, triangular, sawtooth from 10 mV to 10.465 V (span) at a load of 600 ohms shape: from 20 mV to 20.93 V (span) without load Signal level unevenness ± 5% at frequencies from 0.1 to 10 Hz sinusoidal shape relative to ± 2% at frequencies from 10 Hz to 200 kHz 1 kHz ±5% at frequencies from 200 kHz to 2 MHz The harmonic coefficient of the sinusoidal ± 0.2% at frequencies from 10 to 100 Hz forms ± 0.07% at frequencies from 100 Hz to 10 kHz ±2% at frequencies from 10 to 120 kHz ±1% at frequencies from 120 kHz to 1 MHz ±4% at frequencies from 1 to 2 MHz Parameters of the rectangular (TTL) signal form log. "1" 3 2.4 V; log. "0" ≤ 0.4 V the duration of the front, the cutoff is not more than 100 ns in the frequency range from 0.1 Hz to 2 MHz 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

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

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).

Designed for measuring and spectral analysis of sound and vibration. Description: Small dimensions and weight High measurement accuracy (Class I according to IEC 61672-1:2002) Three-channel vibration parameter meter Built-in digital octave and third octave filters USB interface Graphic LCD display with backlight Powered by the built-in battery or network adapter.

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.