VOLTAMMETER PARMA VAF-A(C)

It will help relay protection and automation services, the chief power engineer of industrial enterprises and a wide range of specialists engaged in setting up, monitoring, diagnostics and operation of electrical installations to solve the following tasks: − record emergency waveforms on 4 current channels and 4 voltage channels, with data stored in COMTRADE format - take daily load schedules and carry out long−term monitoring of the parameters of the power grid (recorder) - to monitor the conduct of switching in switchgear − identify the causes of the emergency mode − to evaluate the correctness of the operation of the RSiA and PA devices − determine the harmonic composition of current and voltage (up to and including the 14th harmonic) − control phase alternation − remove the voltage characteristics − measure the phase shift angle and perform the construction of vector diagrams of voltage and current − control the circuits in the SHPT − check the integrity of electrical conductors (ringing) − carry out maintenance of relay protection circuits and power circuits of electrical installations − monitor the status and diagnostics of DC circuits

Measurement of sound levels, sound pressure and frequency analysis in the ranges of sound, infrasound and ultrasound, levels of vibration acceleration and frequency analysis in the ranges of general and local vibration on 3 channels simultaneously.

Mathematical processing of the measurement makes it possible to determine and display on the indicator board the relative systematic change in frequency, the average relative value of the frequency difference, the RMS relative frequency deviation, the RMS relative two-sample frequency deviation.

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

A COMBO-SOUT kit for carrying out a special assessment of working conditions in a reliable, shockproof, moisture- and dust-proof case.

A small-sized digital magnetometer (gaussmeter, teslameter), a residual magnetization meter ION-3701 version "North" is a modern high-precision device (a variant of the ION-3701 device) and used for a wide range of tasks in areas where it is necessary to determine the magnitude of the magnetic field and residual magnetization in adverse climates, conditions of negative temperatures, the Far North and etc . It is equipped with a three-dimensional magnetic field sensor and has outstanding technical characteristics and extensive functionality.

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

Basic properties: Wide frequency range; Sufficiently large output power; High level of suppression of side harmonics of the input signal; Low phase noise value; 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 12,50- 17,86 / 37,50- 53,57 Losses (max.), dB 17 Input power level, 15-20 dBm Unevenness of output power (Rvh. = 20 dBm), dB ± 2.0 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 5,2x2,6 mm Overall dimensions, mm 34x20x20 Weight, g 60

The device is capable of operating both independently and as part of automated measuring systems with USB and IEEE-488 interfaces (CPC). Technical specifications Frequency range from 100 kHz to 37.5 GHz VSWR input of the device with a matching fixed attenuator attenuation of 10 dB, depending on the frequency range, no more • from 100 kHz to 180 MHz 1.15 • from 0.18 to 2 GHz 1.25 • from 2 to 12 GHz 1.30 • from 12 to 17.85 GHz 1.50 • from 17.85 to 37.5 GHz 2.00 Operating temperature range from 5 to 40 °C AC power supply 220 V, 50 Hz Power consumption, no more than 125 VA Overall dimensions, mm 216x493x508.5 Weight, not more than 32 kg