A set of devices for studying the properties of electromagnetic waves

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

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).

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: 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