Intelligent Vector Signal Generator Pulse Counting Crystal Measurement
Intelligent Vector Signal Generator Pulse Counting Crystal Measurement
VICTOR 2000 Multifunction Intelligent Frequency Counter Based On Microprocessor Frequency Pulse Counting Crystal Measurement
Instrument introduction
·It is a high-resolution multifunction intelligent frequency counter based on microprocessor.
· Frequency measurement, pulse counting, crystal measurement.
·4-step gate time, 5-range function select and 8-digit LED display.
·Working mode memorized, range and gate time can be set according to the requirement.
·Multifunctional, good quality and reasonable price.
VC2000 frequency counter is an intellective with multi-functions, with include frequency measurement, pulse counting, crystal measurement and so on, and has 4-step gate time, 5-range function select and 8 LED display.
All functions depend on a single CPU. A crystal controlled temperature circuit provides constant compensation for temperature change. thereby, reducing measurement errors typically caused by temperature drift .This instrument has the function of operation mode stored, due to this reason .after turning the power on, it can be operated by previous setting .
To assure best operation, read this manual before operation.
Technical specification
1. Measurement
(1) Input terminal
This instrument has 3 input channel terminals.
CH.A. high frequency terminal 50MHz-2400MHz.
CH.B. low frequency terminal 10Hz-50MHz.
Crystal Oscillator: crystal measuring terminal
(2) Frequency measurement
① Step
Total 5 steps, No.1-3 steps are for frequency, No.4 step is for counting and No.5 is for crystal oscillator measurement.
No.1 step 50MHz-2400MHz ,input from CH.A
No.2 step 4MHz-50MHz ,input from CH.B
No.3 step 10Hz-4MHz ,input from CH.B
② Resolution
| Step | Function | Frequency | Resolution | |||
| 0.1s | 1.0s | 5.0s | 10s | |||
| 1 | Frequency measurement | 2400MHz-1000MHz | 1KHz | 100Hz | 100Hz | 100Hz |
| 990MHz-100MHz | 1KHz | 100Hz | 10Hz | 10Hz | ||
| 99MHz-50MHz | 1KHz | 100Hz | 10Hz | 10Hz | ||
| 2 | 50MHz-4MHz | 100Hz | 10Hz | 1Hz | 1Hz | |
| 3 | 4MHz-10Hz | 10Hz | 1Hz | 0.1Hz | 0.1Hz | |
| 4 | Counting | Max. counts 99999999 | –– | –– | –– | –– |
| 5 | Crystal oscillator measurement | 16MHz-3.5MHz | 10Hz | 1Hz | 1Hz | 1Hz |
③ Gate time : 0.1s 1.0s 5.0s 10s
④ Accuracy : time base deviation × frequency ±1d
(3) Progressive counting measurement
4 steps CH.B input terminal
resolution : ±1d counting frequency : 10Hz-4MHz
(4) Crystal measurement
5 steps insert from crystal oscillator plug-board on the panel.
testing scope : 3.5 MHz-16MHz
Technical Data
| Basic function | |
| Frequency measurement | CH А: 50MHz~2.4GHz, Basic accuracy:±(1×10-5＋3) |
| CH В: 10Hz~50MHz, Basic accuracy:±(1×10-5＋3) | |
| Crystal measurement | Crystal slot:3.5MHz~16MHz, Basic accuracy:±(4×10-6＋1) |
| Total measurement | CH В: 10Hz~4MHz, Basic accuracy:±(4×10-6＋1) |
| Measurement sensitivity | 50mVrms |
| Input impedance | CH А 50МΩ CH В 1МΩ |
| Count range | 1~108 10Hz/4MHz |
| Accuracy | ±(2×10-5R＋3D) |
| Crystal measurement range | 3.5MHz~16MHz (keynote) |
| Gate time | 0.1s/1s/5s/10s |
| Dimension | 270×215 ×100mm |
| Weight | 1.5kg |
| Power | AC 220V/110V 50Hz/60Hz |
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