DC power supply B5-79/1

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: Indicator name, unit of measurement, Indicator value, B5-89, B5-89/1 The range of the output voltage setting, the limits of the absolute error of the output voltage setting:- basic error, In; - in operating conditions, In, from 0 to 30.0 ± 0.2± 0.3, from 0 to 100.0 ± 0.3± 0.45 The range of the output current setting, the limits of the absolute error of the output current setting:- basic error, A; - in operating conditions, A, from 0 to 10.0 ± 0.2± 0.3, from 0 to 3.0 ± 0.1± 0.15 Instability of the output voltage when the supply voltage changes by ± 10% of the nominal value in the voltage stabilization mode, %, ± 0.05, no more, Instability of the output current when the supply voltage changes by ± 10% of the nominal value in the current stabilization mode, %, ± 0.2, no more, Instability of the output voltage when the load current changes at the output terminals of power supplies in voltage stabilization mode, %, ± 1, no more, Instability of the output current when the load voltage changes in the current stabilization mode at minimum load currents, %, ± 5, no more, Instability of the output current when the load voltage changes in the current stabilization mode at maximum load currents, %, ± 0.5, no more, Output voltage ripple in voltage stabilization mode, mV, 1.0, no more, Output current ripple in current stabilization mode, %, 1, no more, Instability of the output voltage from time, V, ± 0.5, ± 1.0 Instability of the output current from time, A, ± 0.3, ± 0.2 AC power supply: - voltage, V; - frequency, Hz, 230 ± 2350 ± 0.5, Weight, kg, 13.0, no more, Overall dimensions, mm, 384x301x169

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

Basic properties: Wide frequency range; Sufficiently large output power; High level of suppression of side harmonics of the input signal; Low value of phase noise; Relatively simple technical solutions: - synchronization and frequency stabilization, - stabilization and adjustment of the output power level, - implementation of amplitude and frequency modulation modes; Do not require external bias diodes. Operating conditions: Operating temperature range from minus 10 to 50 ° C; The relative humidity of the air is up to 98% at a temperature of 25 ° C. Technical characteristics Input/output frequency range, GHz 12,93-18,75 / 25,86-37,5 Losses (max.), dB 13 Input power level, dBm 15-21 Unevenness of output power (Rvh. = 20 dBm), dB ± 1.5 The level of parasitic harmonics of the input signal at the output (min.), dBn 20 Output VSWR (max.) 2.0 Connector type: • Input Coax. 3.5/1.5 mm (socket) • Output Waveguide 7.2x3.4 mm Overall dimensions, mm 29x24x24 Weight, g 60