V3-48 V3-48
4.9 63

Millivoltmeter V3-48 (V3, 48, V348, b3-48, b3 48, b348)

Designed to measure the rms voltage of arbitrary shape, and to convert the rms voltage of arbitrary shape into a proportional DC voltage.
Measuring range from 0.3 mV to 300V
The basic error of ± 2,5%

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Radiometric devices
voltmeters (V2-, V3-, V4-, V7-, V8-, V9-, F and others)
voltmeters V3
V3-48A (b3-48a) voltmeter image.

  • Typical photos 

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Product information updated 06 October 2024.

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Warranty:

12 months.

Warranty extension up to 5 years. 

Terms of delivery:

To all regions of the country, international delivery. 

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Product information updated 06 October 2024.

Found cheaper?

Let us know. Our price is the best. 

Warranty:

12 months.

Warranty extension up to 5 years. 

Terms of delivery:

To all regions of the country, international delivery. 

print

Accessories, inexpensive analogues and other devices in stock(7)

Technical characteristics

Millivoltmeter V3-48 (V3, 48, V348, b3-48, b3 48, b348)

Designed to measure the rms voltage of arbitrary shape, and to convert the rms voltage of arbitrary shape into a proportional DC voltage.
Measuring range from 0.3 mV to 300V
The basic error of ± 2,5%
Millivoltmeter V3-48 is designed to measure the rms voltage of arbitrary shape, and to convert the rms voltage of arbitrary shape into a proportional DC voltage.
Millivoltmeter V3-48 has a separate scale is graduated in decibels. Level "0" dB is 0.775 V.
Operating conditions unit Millivoltmeter V3-48:
- Ambient temperature from 263 to 313 K (-10 to +40 ° C);
- Relative humidity up to 95% at 30 ° C;
- Atmospheric pressure of 100 ± 4,0 kPa (750 ± 30 mm Hg);
- Power to the unit from the AC voltage of 220 ± 22 V and 50 ± 0,5 Hz or 220 V ± 11 V and frequency of 400 Hz, harmonic content up to 5.0%.
Technical data
Measurement range of the instrument voltage of 0.3 mV to 300V overlapping sub-bands 1 mV, 3mV, 10mV, 30mV, 100mV and 300mV. Subranges 1B, 3B, 10B, 30B, 100B, 300B are provided with the use of DN-117 divider.
Millivoltmeter V3-48 measured voltage arbitrary waveform containing one or more frequencies simultaneously in the range of 10Hz to 50MHz.
Maximum permissible error of the instrument, expressed as a percentage of the final value of the set sub-band does not exceed ± 2,5%. The frequency of calibration - 1 kHz. Maximum permissible error of the instrument and the change in the readings in the working frequency regions relative to testimony at a frequency of calibration should not exceed the values ​​shown in Table. 1.
 
Table 1
Operating frequency range for sub-bands Maximum permissible error of the instrument (and allowed by the change of the readings relative to testimony at a frequency of calibration) as a% of the upper limit of the established sub-band
3mV-300mV 1 mV, 1B-300B
1. 45 Hz - 10 MHz 1. 45 Hz - 5 MHz ± 2,5 (-)
2. 20 Hz - 30 MHz 2. 30 Hz - 10 MHz ± 4,0 (6,0)
3. 10 Hz - 50 MHz 3. 20 Hz - 30 MHz ± 6,0 (8,0)
  4. 10 Hz - 50 MHz ± 10 (12.0)

The output voltage (U out) corresponds to the value determined by the formula:
Vout = U 0 · U / Uc (B) (1)
where Uc - volts, equal to the full scale value for the established sub-band; U - the actual value of the input (measured) voltage in volts, U 0 - the absolute value of the voltage equal to 1V. The output error voltage of the inverter does not exceed the values ​​specified above.
The variable component of the inverter output voltage is less than 10 mV. Output impedance converter - 1000 ± 100 ohms. Millivoltmeter V3-48 provides a measurement of the voltage of arbitrary shape with crest factor Ka does not exceed the value determined by the formula:
Ka = 4U K / U (2)
where U K - voltage equal to the final value of the scale established by sub-band in volts. U - the actual value of the measured voltage in volts.
Millivoltmeter V3-48 has an output broadband amplifier with the following parameters:
- The output voltage of 200 ± 40 mV (when the cursor to the final mark of the scale);
- Output impedance - 50 ± 5 0m.
The active input impedance of the instrument at a frequency of 45 Hz at least 20 megohms on the subbands 1 mV-300mV and 3 ± 0,3 MW with a divider DN-117.
Input capacitance is less than 8 pF subband-1 mV-300mV and 4 pF - with a divider DN-117. Millivoltmeter V3-48 meets its specifications within the rules after samoprogreva time of 15 minutes. The device allows continuous operation under the operating conditions for 8 hours.
Response time is less than 10 seconds. Change readings caused by the ambient temperature deviation from the normal to any temperature within the operating temperature range does not exceed the value of 0.8 limits of basic error for every
10 degrees of temperature change. Variation readings does not exceed 1.0%.
Millivoltmeter V3-48 measures voltage in circuits with DC to 150 V, and when using the divider DN-117 in circuits with DC - up to 300 V.
The power consumed by the device from the network, at a nominal voltage not exceeding 30 V · A. Life more than 3000 hours.
 
Rate the product: V3-48
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Product rating: 4.3
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* rating and all product statistics are updated once a month; information is current as of 23 October 2024

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