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Frequency Counter
Frequency Counter

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digital frequency counter, oscilloscope, signal generator, function generator, frequency counter, bench top DMM, bench type DMM

digital frequency counter, oscilloscope, signal generator, function generator, frequency counter, bench top DMM, bench type DMM

 

Model VC2000 - Frequency Counter

This VC2000 is an intelligent multi-function instrument which measures Frequency, Pulse counting, Crystal. It has 4 step gate time, 5 range function select and 8 digits display.

All functions depend on single CPU, A crystal controlled temperature circuit provides constant compensation for the temperature drifting.

Technique specifications:

A. Measurement

1. Input terminal

There are 3 input terminals on this instrument:

CHA. High frequency 50 MHz - 2,4000 MHz

CHB. Low frequency  10Hz - 50 M Hz

Crystal Oscilloscope: for crystal measurement

Step

Function

Frequency

Resolution

0.1 S

1.0 S

5.0 S

10 S

Frequency Measurement

2400MHz - 1000MHz

1 KHz

100Hz

100Hz

100Hz

990MHz - 100MHz

1 KHz

100Hz

10 Hz

10Hz

99 MHz - 50 MHz

1 KHz

100Hz

10Hz

10Hz

50 Mhz-4 Mhz

100Hz

10 Hz

1Hz

1 Hz

2

4 Mhz - 10 Hz

10 Hz

1 Hz

0.1 Hz

0.1Hz

3

4

Counting

Max 99999999

-

-

Crystal Oscillator Measurement

16M Hz -3.5 M Hz

10 Hz

1 Hz

1 Hz

1 Hz

Gate Time: 0.1S,1.0S,5.0S, 10S

Accuracy: Time base deviation X frequency +- 1 d

Progressive Counting measurement

4 steps CHB input terminal

resolution: +- 1d, counting frequency: 10Hz - 4Mhz

Crystal measurement:

Input Features:

Input sensitivity for CHA  25mVrms/200m Vrms

Input impedance: approx. 50 Ohm

Max safety voltage 3 V

Input sensitivity for CHB: No.2 range 25m Vrms/80 m Vrms

                            No.3 range 10mVrms/30m Vrms

Input impedance: approx. 1 M ohm ( less than 35 pF)

Max Input safety voltage: 30V

Time base:

Short term stability: +- 3 X 10-9/second

Long term stability: +- 2 X 10-5/Month

Temperature: +- 2 X 10-5/10oC - 40o C

Power: 110 - 220V

Size: 270 X 215 X100 mm

Weight: Approx. 1550 g.

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