Radiometric devices >> selective voltmeters, voltage disturbance recorders and instrumentation antennas

STV 301-2

36 500 RUB
9 700 UAH
available:
3 pieces

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For order is possible effectively delivery of any quantity.

Selective transistor microvoltmeter STV 301-2

Also, this device can be called: STV301-2, STV-301-2, STV 301 2, STV3012, STV 3O1-2.

STV 301-2 selective microvoltmeter - sensitive heterodyne receiver with access to a pointer instrument and headphones. STV 301-2 used to measure high voltages and useful radio (pulse sequences are evaluated by subjective perception of hearing).

Specifications STV 301-2:

Frequency range - 0,15 MHz to 30 MHz.

Intermediate frequency - 110 kHz; 1,7 MHz.

Error of frequency at ambient temperature:

- From -5° C to +50° C - no less than 3%;

- From -30° C to - 5° C - less than 5%.

The bandwidth of single signal - to 5 MHz.

Sinusoidal voltage:

- With respect to 1 mV - from -3,7 dB to 90 dB (0,65 mV to 30 mV);

- With a removable divider 20 dB - from 16,3 dB to 110 dB (6,5 mV to 300 mV).

Quasi-peak measurement of pulse voltage noise for the repetition frequency of 100 Hz:

- With respect to 1 mV - from -3,7 dB to 80 dB (0,65 mV to 10 mV);

- With a removable divider 20 dB DGF / dB 8 - from 16,3 dB to 100 dB (6,5 mV to 100 mV).

Voltage ratio:

- Norm - from 0 dB to 90 dB;

- With a removable divider 20 dB DGF/8 dB - 20 dB to 110 dB.

Input impedance microvoltmeter STV 301-2 - from 60 Ohm to 90 Ohm.

Limit scale:

- Sinusoidal voltages - from -16 dB to +4 dB;

- Switching voltage - from -10 dB to +4 dB.

Impulse response frequencies, respectively:

- 10 Hz - (-10±2,5 dB);

- 20 Hz - (-6,5±2 dB);

- 100 Hz - 0 dB;

- 1000 Hz - 4,5±1,5 dB.

Measurement error sinusoidal voltages - ±4 dB (optional - not more than 0,3 mV).

Maximum input voltage STV 301-2:

- Permanent - 63 V;

- Variable (with frequency - 400 Hz) - 42 V.

Bandwidth microvoltmeter:

- Norm - 9 kHz±1 kHz;

- 6 dB - 3 kHz.

Clarifier for selectivity 60 dB - not less than 25 kHz.

Stability with respect to undesired displacements results (weakening points spurious reception channels) - not less than 30 dB.

Attenuation:

- Intermediate frequency - not less than 30 dB;

- Mirror channel - not less than 20 dB.

Shielding effectiveness STV 301-2 - not less than 20 dB.

Calibration voltage pulse generator using the built throughout the frequency range.

Low frequency output for headset - 4 Ohm.

Connection for additional devices - 12 V, max. 5 mA to the front panel.

Input - RF connector hulled 75-0-f1.

Mass - 7 kg.

Dimensions - 360x130x320 mm.

Operating conditions STV 301-2:

Food:

- From - 220 V;

- Battery - 12±1 V.

Power consumption - 5 V·A.

Current consumption - from 40 mA to 75 mA.

The manufacturer provides a guarantee of compliance selective microvoltmeter STV 301-2 all the technical requirements if the consumer terms and conditions of use, storage and transportation, installed documentation manuals.

Photos: STV 301-2

STV 301-2 microvoltmeters image.
STV 301-2 microvoltmeters image.


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