MNIPI

Technical specifications: reproduction of DC voltage from 50 mv to 1000 V - ranges of 200 mV; 2; 20; 200; 1000 V - error 0.01 – 0.023 % reproduction of the sinusoidal AC voltage from 0.3 mV to 750 V - ranges of 200 mV; 2; 20; 200; 750 V - error 0.15 – 0.225 % - frequency range 20 Hz - 100 kHz (20 Hz - 5 kHz on the range. 200 V; 20 Hz - 2.5 kHz on the range. 750 V) reproduction of DC power from 0.03 µA to 50 A - ranges of 200 Ma; 2; 20; 200 mA; 2; 50 A - error 0.012 – 0.022 % reproduction of AC power of sinusoidal shape from 3 µA to 50 A - ranges of 200 Ma; 2; 20; 200 mA; 2; 50 A - error 0.062 – 0.23 % - frequency range 20 - 5000 Hz (45 - 1000 Hz on the range. 50 A) RS-232C interfaces; USB operating temperature range from + 5 to +40oC dimensions 184.5x465x540.5 mm weight 20 kg power supply ~ 230 V

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

Main Features: Output voltage indication error, ± 0.3 V Output current indication error, ±0.06 A Instability of the output voltage due to changes in the supply voltage, 0.05% Instability of the output current from a change in the supply voltage, 0.2% Instability of the output voltage when the load current changes, 0.1 % Instability of the output current when the load voltage changes, 5.0 % Output voltage ripple, mV 1.0

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

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%

The set of devices includes a microwave transmitter module, a microwave receiver module, a set of devices (metal reflecting screens, a refractive prism, an absorbing screen, etc.) to demonstrate the properties of electromagnetic waves (radiation, absorption, reflection, refraction, interference, diffraction). Technical specifications: The wavelength of the microwave transmitter is 3 – 4 cm; The average value of the energy flux density emitted by the microwave transmitter meets the requirements of the SanPiN 2.4/2.1.8.9-36-2002 (no more than 10 MW/ sq. m.). Receiver (transmitter) weight, not more than 0.3 kg Overall dimensions of the receiver (transmitter) 172x25x77 mm The microwave receiver module has a built-in interface for connecting to a personal computer and provides the ability to display the measured information on the PC screen. The kit includes an electronic media with software (CD-ROM) to demonstrate the operation of the equipment on the monitor screen of a personal computer.

Technical specifications: Capacitance (10-13-0.02) F, inductance (10-8–16x103) Gn Resistance (10-3–2x107) ohms Conductivity (10-9-10) Cm Q factor, loss factor 10-3-103 The error is ±0.15% Offset voltage 2±0.2 V Measuring signal levels (0.1±0.02) V and (1±0.2) V Range selection: automatic, manual RS-232C interface Dimensions, weight: 90x265x317 mm, 2 kg Power supply: ~220V, 10 VA

Technical specifications: Output constant voltage, 0 - 3 kV; 0 - 10 kV Output AC voltage, 0 - 3 kV; 0 - 10 kV Measurement of leakage current, from 0 to 100 Ma The amplitude value of the output voltage ripples relative to the set voltage at a load current of 1 mA, ≤ 5% The error of setting the output voltage, ≤ 4% Protection tripping current, up to 50 mA Output power, 500W Overall dimensions (HxWxD), 280x480x475 mm Weight, 36 kg Operating conditions , Operating temperature, from +5 to + 40 °C Humidity, 80% at 25 °C

Technical specifications: B5-78 (15 V, 3 A); B5-78/1 (30 V, 2 A); B5-78/2 (50 V, 1 A); B5-78/4 (20 V, 1.5 A); B5-78/6 (30 V, 4 A); B5-78/7 (50 B, 2.5 A) Voltage measurement error: ±0.3 V Current measurement error: ±(0.04–0.06) A Voltage instability when the load current changes 0.03% Instability of the current when the voltage changes at a load of 0.2% Voltage ripple 0.5–1 mV Current ripple 0.1% Power consumption 90 - 320 VA Two 3-digit indicators (voltage, current) Adjustments are rough, smooth Dimensions 115x185x360 mm Weight: 3.7 kg (B5-78, B5-78/1, B5-78/2) 3 kg (B5-78/4) 5.5 kg (B5-78/6, B5-78/7) Power supply ~220 V A

Designed to measure electrical quantities (DC voltage and strength, AC voltage and strength, DC electrical resistance) during demonstration work in physics. The device performs the function of a demonstration multimeter. Technical specifications: Measurement of DC voltage from 0 to 100 V measurement error, not more than 1.0 % Measurement of AC voltage from 0 to 60 V measurement error, not more than 1.0% measurement of DC power from 0.01 to 200 measurement error, not more than 1.0 % Measurement of AC power from 0.01 to 200 mA measurement error, not more than 1.0 % Measurement of DC resistance from 1 ohm to 2 mOhm measurement error, no more than 1.0% power supply from the USB port of the computer power consumption, no more than 0.6 V × A weight, no more than 0.3 kg overall dimensions 172x25x77 mm

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

A set of hardware and software is designed to measure physical and chemical quantities when monitoring the parameters of objects and the environment A set of hardware and software tools allows to control the parameters of objects and the environment by visually observing the readings of the data logging unit Technical specifications: Main technical characteristics 1 Air temperature and humidity control module: measurement of ambient temperature.……………..……... from -30 ° C to +60 °C; measurement of the relative humidity of the environment.......... from 10% to 100 %; 2 Differential pressure monitoring module: measuring range..................................................................... from 0 to 700 kPa; 3 PH level monitoring module: measuring range......................................................................... from 0 to plus 12 pH units; 4 Light control module: measuring range..........................................................……………. from 5 to 65000 lux; 5 Distance control module: measuring range.......................................................………………. from 0.04 to 4 m; 6 Rotation angle and angular velocity control module: rotation angle measurement range................................................ from 0 ° to 360 °; angular velocity measurement range ......................................... from 0 °/s to 2000 °/s; 7 : Optical density control module for solutions: measuring range.................................................................... from 0 to 4.8 units of optical density; 8 Module for monitoring the electrical conductivity of solutions: measuring range........................................................................... from 0 to 10 mSm/cm; 9 Data registration unit: - USB 2.0 port; - built-in color display based on the TFT LCD module, diagonal size 4”; - touch panel.