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:
Measurement
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
| Specifications: | Gate Time: |
| Frequency:10Hz - 2.4G HzCrystal :3.5MHz -- 16 MHzInput selectable:Channel A : 50MHz -- 24 MHzChannel B: 10 Hz - 50 MHzSensitivity: 20mV/200mV rmsInput impedance: 50OhmsMaximum input: 3VChannel B: 10Hz 50 MHzSensitivity: 20mV/ 80mV rmsInput impedance: 1M Ohm(<35pF)Power :110v -240V |
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 |
| Time Base: | Crystal Measurement: |
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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 |
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 |
Feb 15, 2006