Microvoltmeter selective V6-10 (V610, V6 10, b6-10, b610, b6 10)
Microvoltmeter selective V6-10 designed to measure the rms values of sinusoidal voltages and study the spectrum of periodic signals in the laboratory and shop floor.
the ambient temperature of 283 K (10 ° C) to 308 K (35 ° C);
relative humidity up to 80% at a temperature of 298 K (25 ° C), atmospheric pressure (86-106) kPa (650-800) mm Hg. Art.;
voltage of 220 ± 22 V, ± 0,5 at 50 Hz and harmonic content up to 5%.
The possibility of the device Microvoltmeter selective V6-10 with selective CPC (Channel obscheyu use) and AIS (automated measuring system) is not provided.
The range of measured Microvoltmeter V6-10 1mkV voltages from 10mV to a narrow bandwidth of 1 kHz and 3mkV to 10mV over a wide bandwidth of 9 kHz sub-bands overlap with upper limits 3mkV; 10mkV; 30mkV; 100mkV; 300mkV; 1 mV; 3mV; 10mV.
With a voltage divider 1:100 YAY2.727.076 range of measured Microvoltmeter V6-10 voltages above 10 mV to 1V is provided on ranges with upper limits from 300 mV to 10 mV.
With a voltage divider 1:10 YAY2.727.075 range of measured Microvoltmeter V6-10 voltages above 10 mV to 100 mV should be provided at ranges with upper limits of 1 mV to 10 mV.
The range of frequencies measured Microvoltmeter V6-10 strains from 0.1 to 30 MHz sub-bands overlap:
0.1 to 0.3 MHz, 3 MHz to 10;
from 0.3 to 1 MHz 10 to 20 MHz;
from 1 to 3 MHz to 20 MHz to 30 MHz.
Cruising on the edges of the frequency range and overlap in frequency sub-bands at least twice the error of the frequency and the value of frequency setting error, respectively.
Frequency of calibration of 1 MHz ± 5%.
Frequency range is divided into normal and two workspaces. Normal work area - 0.3 MHz to 1 MHz inclusive. The first work area - from 0.1 MHz to 0.3 MHz inclusive. The second work area - from 1MHz to 30MHz.
Output accuracy microvoltmeter V6-10 in the normal range of frequencies under normal conditions at a frequency of calibration, expressed as a percentage of the upper limit of the established sub-band measurements must be:
- With a narrow bandwidth:
± 6% for ranges with upper limits of measurement 10mkV to 1B;
± 10% for the sub-band with the upper limit of measurement 3mkV;
- With wide bandwidth: ± 6% for ranges with upper limits of measurement 30mkV to 1B.
± 10% for the sub-band with an upper limit of 10 mV measurements.
Limits of error microvoltmeter in all work areas, expressed as a percentage of the upper limit of the established sub-band measurements in normal conditions, does not exceed:
- With a narrow bandwidth:
± 10% for the sub-bands with the upper, outside measurement of 10mkV to 1B;
± 15% for sub-band with the upper limit of measurement 3 mV;
- With broad bandwidths:
± 10% for the sub-bands with upper limits of measurement 30mkV to 1B;
± 15% for sub-bands with the upper limit of measurement 10mkV.
Note. The value of the influencing factors in normal conditions of use and permissible deviations from them must comply with:
- The temperature of the ambient air (20 ± 5) ° C;
- Relative humidity: 30-80%;
- Atmospheric pressure 84-106.7 kPa (630-800 mm Hg. Centuries).
- Absence of external electric and magnetic fields other than the earth magnetic field;
- Supply voltage alternating current (220 ± 11) V, (50 ± 0,5) Hz harmonic form with a coefficient of harmonics does not exceed 5%.
Changes display microvoltmeter V6-10 as a percentage of readings at a frequency of calibration in all work areas of frequencies should not exceed:
± (5 +0,1 f)% for ranges with upper limits of measurement: 10mkV for bandwidth; 3mkV for low bandwidth;
± (4 +0,1 f)% in the rest of sub-bands measurements for narrow and wide bandwidths, where f - frequency in MHz.
Note. When measuring the basic error allowed fluctuation index indicating device that does not exceed:
- In a narrow band transmission:
± 5% for ranges with upper limits of measurement 30mkV to 1B; ± 10% ranges with upper limits of measurement 3mkV to 10 mV, in wide bandwidth:
± 5% for ranges with upper limits of measurement 100mkV to 1B;
± 10% for the sub-bands with upper limits of measurement 10mkV to 30mkV.
Additional instrument error V6-10, due to the change of ambient temperature from normal to any temperature within the operating temperature range does not exceed half of the value of basic error for every 10 ° C change in temperature. Shape factor of the resonance characteristics microvoltmeter no more than three.
Microvoltmeter selective V6-10 has an output intermediate frequency amplifier and provides an output voltage of 1 ± 0,2 V (for rejecting a pointer to the final mark of the scale) frequency of 250 kHz with a load of at least 100 kW.
The output voltage of the inverter (U O), an AC voltage into a DC voltage when the input voltage is subbands upper limits of the load measuring not less than 100 ohms should be 1V.
Error of the output voltage of the converter at the input does not exceed the basic error microvoltmeter above.
The noise floor microvoltmeter V6-10 does not exceed:
in low bandwidth mode 0.7mV per sub-band with the upper limit of measurement 3mkV;
in the wide bandwidth by 2 mV upper limit subband 10mkV measurement.
Error of frequency as a percentage of the measured frequency is less than the value calculated by the formula:
δ f = ± (5 + 500 / f), (1)
where f - frequency in kHz;
δ f - error of frequency.
Bandwidth level - 3dB:
narrow bandwidth mode - 1 ± 0,2 kHz;
in the wide bandwidth mode - 9 ± 0,9 kHz.
Attenuation mirror channels at frequencies not less than 60 dB.
Attenuation at frequencies equal to the intermediate, at least 50 dB.
The level of internal Raman signals to be less than 2 mV.
The weakening of signals at frequencies of side channel unit is not less than 50 dB.
Level own distortion at signal input probe is not more than 10 mV less than - 50 dB.
Microvoltmeter active input impedance, measured at a frequency of 100 kHz, a minimum of 2 MW at ranges with upper limits of 3mkV to 10mV. Input capacitance microvoltmeter with a divider and without 1:100 does not exceed 10 pF.
The output impedance of the amplifier intermediate frequency of 600 ± 120 ohms. Output impedance converter AC voltage into a DC voltage 1 ± 0,2 kohm.
Response time microvoltmeter does not exceed 4. The maximum deviation of the index from the steady readings in the transition process when applied to the input voltage of 0.7 sub-band upper limit value does not exceed the upper limit of the sub-band measurements.
The level of permissible DC voltage at the input microvoltmeter should not exceed 100 V.
Microvoltmeter selective V6-10 meets its specifications after a setup time of 15 minutes.
Microvoltmeter selective V6-10 retains its specifications when powered from the mains AC voltage of 220 ± 11 V, ± 0,5 at 50 Hz and harmonic content up to 5%.
Power consumed Microvoltmeter from the network, at the rated voltage does not exceed 55 VA.
Microvoltmeter selective V6-10 allows continuous operation under the operating conditions for 8 hours while maintaining their performance. Time interval before re-starting after continuous operation must be at least 15 minutes. Mean time between failures (T avg) at least 7,000 hours Dimensions microvoltmeter 490x215x355 mm. Weight microvoltmeter not more than 25 kg.