F5311 F5311
4.9 63
Frequency F5311-electron counting (F-5311, F 5311)
The range of measured frequency meter frequencies - from 10 -2 Hz to 1,5 ∙  10 Hz.
The range of measured periods - 7 ∙ 10 -9 to 1 0 2.
The range of measured frequency counter pulse durations and intervals of single - from 10 -7s to 1,5 ∙  10 with.
The range of measured frequency counter pulse durations and intervals averaged - 5 ∙ 10 -8s to 1,5 ∙  10 with.
The range of measured frequency ratios - from 1:1 to (10 9 -1): 1 in the frequency range from 10 -2 Hz to 1,5 ∙  10 Hz.
The range of measured frequency counter phase shifts - from 10 ° to 350 º at frequencies from 1 Hz to 2 ∙ 10 5.
The range of measured frequency counter numbers of oscillations through the latest accounts on one input - from 1 to 10 14.
The range of measured frequency counter numbers of oscillations through the accounts of the last two inputs in the forward and reverse directions is - from 10 10 to 10 10 to range from 10 to 2 Hz 1,5 ∙  10 Hz.
The range of measured absolute deviation of the measured value from the preset value of this quantity is - 10 to 10 units of the measured value.
The range of measured frequency meter percentage deviation of the measured value from the preset value of this quantity is - from -100% to 100%.

Products catalog

Radiometric devices
frequency counters, synthesizers, frequency standards (CHrs, frequency standards (Ch2-, Ch3-, Ch7-, RCh and others)
frequency counters F
F5311 Frequency counter F5311 electronic computer.

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Product information updated 30 September 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 30 September 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

Frequency F5311-electron counting (F-5311, F 5311)
 
Frequency F5311-electron counting designed to measure:
- Frequency, period and number of oscillations, pulse duration and intervals of time (single and average);
- Phase shift and the frequency ratio;
- The percentage and absolute deviation from the above parameters, the preset value.
In addition, the frequency can be used as a reference signal generator frequency multiplier and a period of external signals.
The device frequency F5311 electron counting can operate in standalone mode (as a standalone instrument) or in systems interface via a channel shared (CPC).
 
Technical characteristics of the devices F5311 frequency meters of the electron-counting:
 
Frequency is designed for use in moderate climate conditions in dry heated rooms at a temperature of 10 º C to 35 ° C and relative humidity of 80% at 25 ° C and atmospheric pressure from 84kPa to 106.7 kPa (630mm.rt.st. Up to 800mm . mmHg).
The range of measured frequency meter frequencies - from 10 -2 Hz to 1,5 ∙ August 10 Hz.
The range of measured frequency instrument F5311 electron-counting period - from 7 ∙ 10 -9 to 1 0 2.
The range of measured frequency counter pulse durations and intervals of single - from 10 -7 s to 1,5 ∙ May 10 with.
The range of measured frequency counter pulse durations and intervals averaged - 5 ∙ 10 -8 s to 1,5 ∙ May 10 with.
The range of measured frequency electronicdevice counting F5311 frequency ratios - from 1:1 to (10 9 -1): 1 in the frequency range from 10 -2 Hz to 1,5 ∙ August 10 Hz.
The range of measured frequency counter phase shifts - from 10 ° to 350 º at frequencies from 1 Hz to 2 ∙ 10 5.
The range of measured frequency counter numbers of oscillations through the latest accounts on one input - from 1 to 10 14.
The range of measured frequency counter numbers of oscillations through the accounts of the last two inputs in the forward and reverse directions is - from 10 10 to 10 10 to range from 10 to 2 Hz 1,5 ∙ August 10 Hz.
The range of measured frequency instrument F5311 electron-counting of the absolute deviations of the measured value from the preset value of this quantity is - 10 to 10 units of the measured value.
The range of measured frequency meter percentage deviation of the measured value from the preset value of this quantity is - from -100% to 100%.
The relative error in measuring frequency and period (δ f, T) frequency does not exceed the values ​​calculated by the formula:
 
δ f, T = ± (│ δ 0 │ + │ Δt bit │ / τ acc + │ δ app │) (1)
 
where δ 0 - relative error in frequency of the reference oscillator;
Δt bit - the instrumental resolution of the instrument frequency F5311 electron counting - the random component of error due to mismatch between the input and the phase reference signal and is equal to 5 ∙ 10 -9 s;
τ acc - the computation time of the frequency with which is calculated by the formula:
 
MF τ = nT x (2)
 
where n - number of averaged periods;
T x - the period of the input signal, c;
δ app - the relative error of the trigger level.
For any form of input signal value δ app is given by ^
 
δ app = ± 2 ((3σ u + U n) / ST x n), (3)
 
where σ m - rms noise of the measuring path in the working frequency band, converted to an input and an equal 0,25 ∙ 10 -3;
U n - peak noise input signal, V.
If the noise is random noise with an effective value of σ n, then U n is given by:
 
U n = 3σ n (4)
 
where σ n - RMS voltage noise, V;
S - slope of the differential input voltage at start-up, In / sec.
For sinusoidal input signal at startup to the point of maximum slope of δ app is calculated as follows:
 
δ app = ± (σ m +0,3 U n) / U m n (5)
 
where U m - the amplitude of the input signal, V.
The absolute error of measurement of time intervals and pulse durations F5311 device frequency electron-counting (Δt) does not exceed the values ​​calculated by the formula:
 
Δt = (│ δ 0 t x │ + │ Δt syst │ + │ Δt ur │ + (│ Δt west │ + │ Δt bit │)/ √N ) (6)
 
where δ 0 t x - the measurement error due to an error in the reference oscillator frequency, c;
t x - measured time interval and pulse duration, c;
Δt systems - a systematic measurement error due to the nonidentity of the channels "B" and "C", which is less than 1 ∙ 10 -9 s;
Δt Level - measurement error due to an error of setting levels start with the value of which is given by:
 
Δt ur ur = ΔU / S 1 + ΔU yp / S 2 (7)
 
where ΔU ur - error setting the trigger level for each channel, which does not exceed 0.1;
S 1 and S 2 - the steepness of the voltage drop at the points of the input signals to the inputs start, respectively, B and C, V / s;
Δt app - error starting frequency, with a value that is calculated as:
 
Δt = Δt listings zap1 + Δt zap2 (8)
 
where Δt zap1, Δt zap2 - Error starting channel "B" and "C", respectively, calculated by the formula:
 
Δt zap1, 2 = (3σ u + U n1, 2) / S 1,2 (9)
 
where U n1, 2 - peak noise input signal to channel "B" and "C", B; Δt bit - the instrumental resolution of the measurement - the random component of error due to discreteness accounts frequency equal to 5 ∙ 10 -9 s; N - averaged number of time intervals.
Footnote. When measuring instrument F5311 frequency of electron-counting of single time intervals, N = 1.
The relative error in measuring the frequency meter frequency ratio (δ f1, f2) does not exceed the values ​​calculated by the formula:
 
δ f1, f2 = ± (│ δ zap.n │ + │ δ Res │ / m) (10)
 
where δ zap.n - error launching the channel in the lower frequencies compared;
δ Res - resolution measurements using the formula:
 
Res δ = f 2 / f 1 (11)
 
where f 1 - The highest of comparable frequency, Hz;
f 2 - the lowest of comparable frequency, Hz;
m - number of periods of the lowest of the compared frequencies.
Absolute error F5311 frequency meters of devices electron counting in the measurement of the number of oscillations does not go beyond a pulse counting with one input and within ± 2 - in pulse counting on two inputs simultaneously.
The absolute error in measuring the phase shift frequency meter is within ± 5 ° with equal levels of input voltage, frequency instability of less than 10 -3 at the scheduled time of measurement and THD less than 2% in the frequency range from 1 Hz to 2 ∙ 10 5 Hz.
The absolute error of frequency measurements of the absolute and percentage deviations of the measured value of preinstalled value of this quantity does not exceed the absolute errors of measurement of these quantities.
The values ​​of the relative error of the instrument frequency F5311 electron counting the frequency of the internal reference generator 1MHz frequency (δ a) does not exceed | ± 5 ∙ 10 -8 | for 10 days and | ± 5 ∙ 10 -7 | - 12 months after adjustment its frequency with a relative error of ± 1 ∙ 10 -8.
The mean relative change in frequency of internal reference oscillator for 1 day less than | ± 5 ∙ 10 -8 |.
Root-mean random variation of the relative frequency of the internal reference oscillator for 1 hour does not exceed ± 5 ∙ 10 -8.
The relative change in frequency of the internal reference generator frequency instrument F5311 electron-counting in the range of temperatures from 10 º C to 35 ° C is less than | ± 3 ∙ 10 -9 | 1 ° C.
Operation mode setup time with providing guaranteed error - no more than 2 hours.
Operation mode setup time unit frequency F5311 electron counting without guaranteed accuracy - 1 minute.
Continuous operation frequency should be 48 hours, followed by a break of at least 3 hours.
The device frequency F5311 electron counting works in all modes of measurement with an external reference oscillator with a nominal value of 5 MHz frequency and voltage from 1V to 5V rms.
Frequency output is the reference frequency pulse signals of negative polarity.
The pulse repetition period can be set in the range from 10 -6 to 10 2 with increments of 10 -6.
Voltage logic "0" output signal does not exceed 0.5 V, and voltage logic "1" - no less than 2V at a load of 50 ohms.
The relative error of the instrument frequency F5311 electron counting the frequency of the output signals do not exceed the error in the frequency of use of the reference oscillator.
Frequency can be used as a multiplier period of external signals in the range from 10 -6 to 10 2 with multiplier 1s to August 10 in increments of 1.
Voltage logic level output signals of the device frequency F5311 electronic computer at the same time meet the requirements.
Values ​​of input resistance and capacitance and frequency tolerances quoted in Table 1.
 
Table 1 Values ​​of input resistance and capacitance and frequency tolerances
 
Input
The input impedance
Input capacity
A, B, C
(1,0 ± 0,2) ∙ June 10 ohm
25pF ± 5pF
50 ohms ± 5 ohms
-
Pins 1, 3, 5 CONTROL connector
(10 (+15 / -5)) ∙ March 10
60pF ± 25pF
"5 MHz"
(1,0 ± 0,2) ∙ March 10 ohm
60 (+60 / -20) pF
 
Format the measurement result is displayed on the digital board: a first sign of one to nine decimal places to display the mantissa and the sign and a decimal order to display the measurement result.
The number to the left of the first comma, represents the integer part of mantissa.
The device frequency electron-counting F5311 allows for the possibility of scaling (mathematical treatment MO) measurement result is in accordance with the formula:
 
K - (± FX ± H) / ± L (12)
 
where K - the result of scaling is displayed on a digital display;             
F, H, L - constant, defined in the same format as the result of measurement;
X - the measurement result.
Frequency has a manual control software modes.
Frequency has a remote control software modes, and output to an external recording device carried by the system interface through the CPC.
Remote software control frequency meter provides redundancy of all the governing bodies of the frequency, except for the power supply switch.
Computation time when using devices F5311 frequency meters of the electron-counting mode to measure frequency, period, phase shift, the average time interval and the frequency ratio is set smoothly into the range with better than 0.1-5s or discretely from 10 -6 to 10 2 10 increments -6 sec.
Frequency has three modes of measurement cycle management: manual, automatic and external control signals.
In automatic control mode, time display of measurement results is installed smoothly in the range of not less than 0.5 s-5s.
Parameters of the external device control signals frequency of electron-counting F5311: single pulses of positive polarity, the amplitude of 2.00 V to 5.25 V, duration 1 ms, 10 ms, rise time of less than 0.1 ms.
Frequency mode allows self-control. Self-control is carried out by measuring frequency, period and pulse duration and the internal reference oscillator at a frequency of 1 MHz, applied to the connector OUT GIN to the inputs A and B.
The insulation between the mains supply chain unit frequency F5311 electron counting and his body in normal conditions of use to stand for 1 minute action of the test voltage AC 50 Hz ± 1 Hz, RMS is 1.5 kV.
The insulation resistance between the mains supply circuit and the frequency of his body under normal conditions of use - at least 10 megohms.
The fixture frequency F5311 electronic computer from the ac current frequency 50Hz or 60Hz and 220V ± 22V.
The power consumed from the mains frequency meter does not exceed 80W.
Dimensions - no more 345h145h430mm.
Weight of the device frequency F5311 electronic computer - no more than 9kg. 
Rate the product: F5311
Number of views: 2076
Product rating: 4.9
Number of grades: 449
* rating and all product statistics are updated once a month; information is current as of 16 October 2024

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