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The frequency meter is able to work both independently and as part of automated measuring systems with interfaces such as USB or RS-232. Technical specifications Frequency and period of sinusoidal signals (inputs A, B) 0.001 Hz - 300 MHz Frequency and period of video pulse signals (inputs A, B) 0.001 Hz - 300 MHz Frequency of continuous sinusoidal oscillations (input C) (0.3 – 37.5) GHz Pulse duration 10 ns - 1000 s The duration of the front, the decay of the pulses is 5 ns - 100 microseconds Time interval from -1000 to 1000 s Frequency measurement resolution 2x10-10 s/Rng The range of setting the trigger levels (inputs A, B) from minus 2.5 to 2.5 V The error of setting the trigger levels (inputs A, B) ± 0.05 V Input signal level: • for sinusoidal signal (inputs A, B) (0.03 - 10.0) V • for video pulse signal (inputs A, B) (0.1 - 10.0) V • for sinusoidal signal (input C) 50 MW - 5 MW Input resistance • Inputs A, B (50±2.5) ohms; (1±0.1) MOm/100 pF • Input With (50±2.5) ohms Nominal frequency value of the reference quartz oscillator 10 MHz Relative error in the frequency of the quartz oscillator, no more than ± 2x10-7 in 12 months Operating temperature range from minus 10 to 40 °C AC power supply 220 V, 50 Hz Power consumption, not more than 100 VA Overall dimensions, mm 299x136x436,5 Weight, not more than 8.5 kg

The generator is capable of operating both autonomously and as part of automated measuring systems with interfaces such as RS-232 and ITHERNET. Technical specifications The range of setting the pulse duration at the outputs: - τ1 from 100 ns to 10 s - t2 from 101 ns to 10.1 s - t3 from 10 ns to 3600 s The range of setting the time interval between the pulse fronts at outputs t1 and t2 (∆tx) is from 0 to 3600 s The main error in setting the pulse duration at outputs t1 and t2 ± (δ0 • t1,2 + 1•10-8 c) The basic error of setting the pulse duration at the output is τ3 ± (δ0 •τ3 + 2 •10-9 s) The main error in setting the duration of the time interval (∆tx): ∆tx from 0 to 1000 s ± (δ0 •∆tx + 2•10-10 s) ∆tx from 1000 to 3600 s ± (δ0 •∆tx + 2•10-9 s) Pulse amplitude at outputs τ1 , τ2 and τ3 at a load of 50 ohms, not less than 1.2 V The nominal frequency value of the reference quartz oscillator is 10 MHz Relative error in the frequency of the quartz oscillator (δ0 ), no more than ± 2x10-7 in 24 months The pulse repetition frequency setting range at outputs τ4 and τ5 is from 0.1 Hz to 300 MHz The main error in setting the pulse repetition frequency at outputs τ4 and τ5 ± δ0 •F = τ4.5 Pulse amplitude setting range at outputs τ4 and τ5 from 0.05 to 1 V The main error in setting the pulse amplitude at outputs τ4 and τ5 ± 20% Fixed values of pulse durations at the output of τ6 1 and 5 microseconds The basic error of setting the pulse duration at the output is τ6 ± (0.2•τ6 + 3 •10-7 s) The nominal value of the pulse repetition frequency at the output is τ6 100 kHz The main error in setting the pulse repetition frequency at the output is τ6 ± δ0 •F = τ6 Fixed values of the pulse amplitude at the output of τ6 minus 10 V; minus 2.5 V; 2.5 V; 10 V The main error in setting the pulse amplitude at the output is τ6 ± 20% Operating temperature range from 5°C to 40 °C AC power supply 220 V, 50 Hz Power consumption, not more than 100 VA Overall dimensions, mm 442x160x452 Weight, not more than 10 kg

The devices are used both independently and as part of automated systems when working with control from a PC via the RS 232; RS 485 interface. Technical specifications Operating temperature range from 5 to 40 °C AC power supply 220 V, 50 Hz Power consumption, no more than 400 VA Overall dimensions, mm 266x105x398 Weight, not more than 8 kg

The voltmeter is capable of operating both independently and as part of automated measuring systems with RS-232 interfaces. Technical specifications Measuring ranges of electrical quantities: - constant electrical voltage from 10 MV to 1000 V - SCR of alternating electric voltage in the frequency range from 10 Hz to 10 MHz (AC) from 1 mV to 750 V - RF RF AC voltage in the frequency range from 10 kHz to 1500 MHz (RF) from 10 mV to 1000 V - DC electric current from 0.1 µA to 20 A - SCZ of alternating electric current in the frequency range from 10 Hz to 5 kHz from 10 µA to 20 A - electrical resistance from 10 mOhm to 1 GOm - frequency of the measured AC voltage from 10 Hz to 1 MHz Measurement errors of electrical quantities: - constant electrical voltage ± (0.0028 - 20)% - SCR of alternating electric voltage in the frequency range from 10 Hz to 10 MHz (AC) ± (0.09 - 15)% - RF RF AC voltage in the frequency range from 10 kHz to 1500 MHz (RF) ± (1.6 - 66)% - DC current ± (0.012 - 20)% - SCR of alternating electric current in the frequency range from 10 Hz to 5 kHz ± (0.11 - 2.35)% - electrical resistance ± (0.007 - 5.5) % - frequency of the measured alternating electric voltage ± (0.1 -10.1) % General characteristics: Operating temperature range from 5 to 40 °C AC power supply 220 V, 50 Hz Power consumption, no more than 20 VA Overall dimensions, mm 291x110x308 Weight, not more than 4.5 kg

The composition of the PM-10 verification module: Wattmeter of passing power M2-35; Complex transmission and reflection coefficients meter "OBZOR-804/1"; Universal voltmeter V7-81 (2 pcs.); High-frequency signal generator G4-229; High-frequency signal generator G4-230; DC power supply B5-79/1 (2 pcs.); AC power source B2-7 (2 pcs.); The measure of DC electrical resistance is multi-valued MS3070-3, CT 0.005; The measure of DC electrical resistance is multi-valued MS3055, CT 0.02; Single-digit electrical resistance measures MS3080 (0.1; 1 ohm, CT 0.005); Thermoelectric voltage converter 0.5 V; Kit for measuring coaxial connectors KISK-7M; PC, printer; Basic load-bearing structures (BNC). Technical specifications Measuring ranges of electrical and radio engineering quantities: Operating frequency range from 0.03 to 17.85 GHz Passing microwave power from 0.01 to 10 MW VSWR of the microwave tract from 1.05 to 3 Constant electrical voltage from 10 MV to 1000 V Alternating electric voltage from 1 mV to 750 V Thermoelectric voltage comparison from 0.1 to 0.5 V Ranges of reproduction of electrical quantities: Constant electrical voltage from 1 to 120 V Resistance to direct electric current from 0.01 to 122222.21 ohms Measurement errors of electrical and radio engineering quantities: Passing microwave power ± (1.5 - 2.3) % VSWR of the microwave path ± (4,15 – 10) % Constant electrical voltage ± (0.003 – 20) % Alternating electric voltage ± (0.09 - 15) % Thermoelectric voltage comparison ± (0.01 – 0.1) % Errors in the reproduction of electrical quantities: Constant electrical voltage ± (100 – 200) mV Resistance to direct electric current CT 0.005; 0.02 General technical characteristics: The area occupied by the module is 4 – 8 m2 Weight, not more than 340 kg Power supply voltage from 198 to 242 V with a frequency of (50 ± 0.5) Hz Power consumption, not more than 2000 VA

Its small dimensions, weight, power consumption, and operating time allow it to be widely used as an embedded source of high-stability signals in frequency measuring devices and complexes, telecommunications systems, navigation and communication systems.

On the two high-frequency outputs of the receiver board, the signals of the second mark of the navigation receiver and the RF, which are available for the customer`s use, are generated. When receiving signals from satellites of the GLONASS and GPS radio navigation systems, the board ensures the operation of the RF in the frequency binding mode according to the signals of the second timestamp (the so-called “disciplined” rubidium frequency standard mode) with an error of the actual value of the RF frequency for no more than ± 5.10-12

The signals of the navigation receiver's second mark and the RF available for the customer`s use are generated simultaneously on two high-frequency outputs of the receiver board. In the presence of stable reception of signals from satellites of the GLONASS and GPS radio navigation systems, the board ensures the operation of the RF in the frequency binding mode according to the signals of the second timestamp (the so-called “disciplined” rubidium frequency standard mode) with a relative error of the actual value of the RF frequency of no more than ± 5.0.10-12.