V7-16A V7-16A
4.9 63

Voltmeter universal V7-16A (V716A, V-7-16-A, V 7 16 A, b7-16a, V-716A, V 716A, b716a, b-7-16a, b 7 16a, b-716a, b 716a)

Designed to measure DC and AC current and resistance in the routine, repairs and adjustments in various fields of electronics and appliances for testing the lower class;
The ranges of measured values:
- DC - 1 ∙ 10 -4 V-1000 V;
- AC voltage:
- In the frequency range from 20Hz to 20kHz - 1 ∙ 10 -4 V-1000 V;
- In the frequency range from 20 kHz to 50 MHz (with a high-converter) - 0.1 B-1B;
- In the frequency range from 20 kHz to 30 MHz (with a high-converter and splitter 1:10) - 1V to 10V;
- Resistance - 0.1 ohms, July 10 ohms;
Dimensions - 348h128h360mm.

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Radiometric devices
voltmeters (V2-, V3-, V4-, V7-, V8-, V9-, F and others)
voltmeters V7
V7-16A voltmeter image.

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Product information updated 10 December 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 10 December 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. 

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Accessories, inexpensive analogues and other devices in stock(6)

Technical characteristics

Voltmeter universal V7-16A (V716A, V-7-16-A, V 7 16 A, b7-16a, V-716A, V 716A, b716a, b-7-16a, b 7 16a, b-716a, b 716a)

Voltmeter universal V7-16A designed to measure DC and AC currents and resistance in the routine, repairs and adjustments in various fields of electronics and appliances for testing the lower class.
Technical characteristics of the instrument voltmeter universal V7-16A:
The ranges of measured values:
- DC - 1 ∙ 10 -4 V-1000 V;
- AC voltage:
- In the frequency range from 20Hz to 20kHz - 1 ∙ 10 -4 V-1000 V;
- In the frequency range from 20 kHz to 50 MHz (with a high-converter) - 0.1 B-1B;
- In the frequency range from 20 kHz to 30 MHz (with a high-converter and splitter 1:10) - 1V to 10V;
- Resistance - 0.1 ohms, July 10 ohms;
The device V7-16A is designed for use in laboratory and shop floor, the power may be exercised only on AC power;
Normal conditions of use of the instrument are:
- Ambient temperature - 293 K ± 5 K (20 º C ± 5 º C);
- Relative humidity - 65% ± 15%;
- Atmospheric pressure - 100 kPa ± 4kPa (750mm.rt.st. ± 30mm.rt.st.);
- Supply voltage - 220 V ± 4,4 V;
- Power frequency - 50 Hz ± 0,5 Hz 400 Hz ± 12 Hz;
- Shape of the AC mains voltage - sinusoidal, THD less than 5%;
Time measurement of DC voltage at the input filter off B7-16A should be:
- 200 ms at 100 ms conversion time and a four-digit numerical count;
- 40ms 20ms conversion time in and a four-digit readout;
- 2 ms at 1 ms conversion time and the three-digit digital readout;
Time measurement of DC voltage V7-16A when the input filter must be no more than 5 seconds, the measurement of AC voltage, resistance should be less than 10 s;
Measuring ranges of electrical quantities correspond to the values ​​specified in Table. 1;
Ranges divided into subbands indicated in Table. 1;
Selection of sub-band measurements carried out by hand;
Selecting the polarity when measuring DC voltage is automatic;
The measurement is as indicated in Table. 1;
 
Table 1 Ranges of electrical quantities B7-16A
 
Measurand
The limits of measurement
The measurement resolution
DC voltage with a conversion time 20ms and 100ms
1B
10B
100B
1000V
1 ∙ 10 -4 V
1 ∙ 10 -3 V
1 ∙ 10 -2 V
1 ∙ 10-1V
DC voltage with a conversion time 1ms
1B
10B
100B
1000V
1 ∙ 10 -3 V
1 ∙ 10 -2 V
1 ∙ 10-1V
1B
AC voltage at a conversion time of 100 ms
    
in the frequency range of 20Hz-20kHz
1B
1 ∙ 10 -4 V
in the frequency range of 20Hz-20kHz
10B
100B
1000V
1 ∙ 10 -3 V
1 ∙ 10 -2 V
1 ∙ 10-1V
in the frequency range of 20kHz-50kHz
1B
1 ∙ 10 -4 V
in the frequency range of 50kHz-100kHz
1B
1 ∙ 10 -4 V
in the frequency range of 100 kHz-50 kHz (with high-frequency converter)
1B
1 ∙ 10 -4 V
in the frequency range 20kHz-30kHz (with a high frequency inverter and divider 1:10)
10B
1 ∙ 10 -3 V
A resistance at conversion time 20ms and 100ms
1K
10k
100 k
1000 ohms
10 M
1 ∙ 10 -4 ohm
1 ∙ 10 -3 ohm
1 ∙ 10 -2 ohm
1 ∙ 10 -1 ohm
1K

 

Measurand
The limit of permissible relative basic error
Change measurand inlet voltmeter within subband
DC voltage with a conversion time 20ms and 100ms
± [0,1 +0,05 (| U to / U x | -1)]%
1 ∙ 10 -4 B-1B
1 ∙ 10 -3 V to 10 V
1 ∙ 10 -2 V-100B
1 ∙ 10-1V-1000V
DC voltage with a conversion time 1ms
± [0,2 +0,1 (| U to / U x | -1)]%
1 ∙ 10 -3 V to 10 V
1 ∙ 10 -2 V-100B
1 ∙ 10-1V-1000V
1B-100B
AC voltage at a conversion time of 100 ms
    
in the frequency range of 20Hz-20kHz
± [0,2 +0,05 (| U to / U x | -1)]%
1 ∙ 10 -4 B-1B
in the frequency range of 20Hz-20kHz
± [0,5 +0,05 (| U to / U x | -1)]%
1 ∙ 10 -3 V to 10 V
1 ∙ 10 -2 V-100B
0.1 In-1000V
in the frequency range of 20kHz-50kHz
± [1 +0,1 (| U to / U x | -1)]%
1 ∙ 10 -4 B-1B
in the frequency range of 50kHz-100kHz
± [1,5 +0,1 (| U to / U x | -1)]%
1 ∙ 10 -4 B-1B
in the frequency range of 100 kHz-50 kHz (with high-frequency converter)
± [4 +1,5 (| U to / U x | -1)]%
0.1 B-1B
in the frequency range 20kHz-30kHz (with a high frequency inverter and divider 1:10)
± [4 +1,5 (| U to / U x | -1)]%
1B-10B
A resistance at conversion time 20ms and 100ms
± [0,2 +0,05 (| R a / R x | -1)]%
1 ∙ 10 -4 ohm-1 k
1 ∙ 10 -3 ohm-10k
1 ∙ 10 -2 ohm-100k
0.1 k-1000 k
1 kW to 10 MW

 

where U to - the final value of the set sub-band measurements of AC voltages;
U's - the voltmeter reading.
Frequency range AC voltage measured by a voltmeter should be:
- For sub-band "1" from 20Hz to 100kHz, 100kHz to 50MHz from a high-frequency transducer;
- For sub-band "10" 20Hz to 20kHz, 20kHz to 30MHz from a high-frequency transducer and the divider 1:10;
- For sub-band "100", "1000" ot20Gts to 20kHz;
When measuring AC voltage voltmeter V7-16A has graduated in the RMS values ​​of a sinusoidal voltage. The basic error of the voltmeter should be provided when measuring the voltage sine wave in the frequency range from 20 Hz to 100 kHz with harmonic content not exceeding 0.1% at the limit of 1B and not more than 0.2% for the rest of the range. In the frequency range from 100 kHz to 50 MHz basic error of the voltmeter should be provided with harmonic content in the measured voltage of less than 1%;
Authorities set the value of the calibration voltage change must ensure the calibration voltage within ± 50 characters stamped on the nameplate. The value of the calibration voltage on the rating plate must be in the 9,1 ± 0,5 V;
In the voltmeter V7-16A provides overload indicator;
Voltmeter provides the following startup modes:
- Automatically by the internal power pulses with a repetition period of 0.1 s-5s at conversion time 20ms and 1ms, with 0.2-5c at 100 ms conversion time;
- Manually by pressing;
- Remote from the external power pulses of up to 1 kHz, 50 Hz, 10 Hz, respectively;
The limit of permissible relative basic error voltmeter V7-16A Percentage measurement of DC voltage of either polarity at conversion time 1ms, 20ms and 100ms must comply tab. 1;
Rejection Ratio sinusoidal type serial synchronous with the mains frequency of 50Hz equal to 100ms if the conversion time is not less than 40dB and conversion time of 20ms at least 30dB in the measurement mode and the DC voltage off filter. Sum of the peak value of interference voltage and the measured voltage must not exceed 120% of the prescribed limit of measurement;
Voltmeter V7-16A has a built-in filter for additional noise reduction serial form in voltage mode DC. Interference suppression unit, synchronous with the mains frequency equal to 50 Hz, with a conversion time 20 ms and 100 ms in the case included the filter is at least 60 dB;
The limit of permissible relative basic error voltmeter percent when measuring AC voltage with a conversion time 100ms must conform to Table 1;
The limit of permissible relative basic error in the measurement protsentax resistance at conversion time 20ms and 100ms must conform to Table 1;
Power dissipation V7-16A on the measured resistance is less than 25 MW;
The limit of additional error from ambient temperature changes in all types of measurement should not exceed half of the basic error limit for each 10 ° C change in temperature. The limit of additional error from the effects of high humidity should not exceed the limit of the basic error;
The limit of additional error for all types of: measuring the drift time is ± 15 counts for 10 hours (without periodic zero and calibration);
Input impedance voltmeter V7-16A is:
- Not less than 10 MW in the measurement of the DC voltage;
- At least 1 Mohm when measuring AC voltage and high-frequency transducer with a divider 1:10;
Input capacitance of the voltmeter when measuring AC voltage does not exceed 100 pF. Input capacitance of the high-frequency converter, and a high-frequency transducer with a divider 1:10 - no more than 10 pF;
Voltmeter V7-16A has an output to an external device tsifropechatayuschee. Output code signal corresponding to a logic zero, the voltage level is less than ± 0,3 V. Output code signal corresponding to a logic one voltage level is not less than 2.4 V at not less than 10 ohms;
Voltmeter provides its specifications after time samoprogreva for 1 hour under normal conditions and 2 hours in a high humidity;
Meals voltmeter V7-16A is powered by the AC voltage of 220V ± 22V 50Hz ± 0,5 Hz 220V ± 11V and 115V voltage of ± 5,75 V, frequency 400 Hz ± 12 Hz and harmonic content up to 5%;
The power consumed by the device from the network at the maximum supply voltage must not exceed 35V ∙ A;
Voltmeter V7-16A allows for continuous operation in the working conditions for a time at least 16 hours while maintaining its specifications within the rules;
Dimensions - 348h128h360mm;
Weight V7-16A - no more than 7kg.
Rate the product: V7-16A
Number of views: 2472
Product rating: 4.4
Number of grades: 531
* rating and all product statistics are updated once a month; information is current as of 20 December 2024

Photos: V7-16A

V7-16A voltmeter image.

V7-16A voltmeter image.

V7-16A front view.

V7-16A front view.

V7-16A side view.

V7-16A side view.

V7-16A rear view.

V7-16A rear view.

V7-16A overhead view.

V7-16A overhead view.

V7-16A bottom view.

V7-16A bottom view.

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