3.4GHz Universal Counter   Model 1120
 
     
 
Features
Model 1120
  • 4 Selectable Gates (10ms, 100ms, 1sec, 10sec)
  • Attenuator (10:1)
  • Universal Functions, Time Interval Measurement, Ratio Measurement
  • Hold Facility
  • Reset Facility
  • ‘EXT’ Oscillator Input Facility
  • ‘EXT’ Battery Operation (Optional)
  • Frequency Range 10Hz to 3.4GHz
  • High Stability OCXO
  • Full Function Annunciation
  • STD-BY Mode to Reduce Power Consumption
  • Low Cost & High Quality
  • High Sensitivity
  • 2 Seperate Channels, for LOW & HIGH Frequencies
  • 8 Digit LED Display
  • Microcontroller based Advance Technology
  • Reciprocal Counting Technique for Low Frequency Resolution
  • Period Measurement
  • Low Pass Filter for Noisy Low Frequency (<100KHz)
Technical Specifications
Frequency Range 10Hz - 3.4GHz in 2 bands.
Measurement Accuracy ±1 count ± time base accuracy.
Band I 10Hz - 120MHz.
Sensitivity 100mV rms.
Band II 120MHz - 3.4GHz.
Sensitivity 100mV rms.
Hi-sens 10KHz - 100MHz.
Sensitivity 5mV rms.
Input Impedance  
Band I 1Mohms // 25pf nominal.
Band II 50 ohms nominal.
Period Measurement 10Hz to 10MHz.
Time Interval Mode 1µs to 108s.
Gate Time 1µs to 10s in decade steps.
Time Base OCXO.
Frequency 10MHz, nominal. Stability 0.05 ppm.
General  
Display 8 digit, 0.5" LED.
Power 115V/230V AC ±10%, 47/65Hz.
Dimensions 240 (W) x 95 (H) x 360 (D) mm.
Weight 3.8 Kgs. approx.
 

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