Universal System   Model 4950
 
     
 
Features
Model 4950
  • POWER SUPPLY
  • 3½ Digit LED Display
  • 0 - 50V / 0.5A, 15V / 1A, 5V / 2A Outputs
  • FREQUENCY COUNTER
  • 8 Digit 0.3" LED Display
  • Frequency Range : 1Hz to 550MHz
  • FUNCTION GENERATOR
  • 0.02Hz to 2MHz
  • Sine, Square, Triangle, Ramp, Pulse, TTL Outputs
  • Output Level 20V p-p
  • DIGITAL MULTIMETER
  • 3½ Digit LCD Display
  • Autoranging
  • Measurements DCV, ACV, Ohms, DCA, ACA
Technical Specifications
FREQUENCY COUNTER
Frequency Range Input A - 20Hz to 45MHz (measurable upto 1Hz).
Input B - 45MHz to 550MHz.
Gate Time 100msec, 1 sec, 10 sec selectable.
Resolution Channel A - 1Hz max.
Channel B - 10Hz max.
Gate Indication LED indicator for gate ON time.
Readout In MHz.
Accuracy ±1 count ± time base accuracy.
Sensitivity Input A - 20Hz to 45MHz, 20mV rms (Typically 10mV rms).
Input B - 45MHz to 550MHz, 20mV rms.
Input Impedance Input A - 1M ohms / 33pF nominal.
Input B - 50 ohms nominal.
Time Base 10MHz with ±0.002% accuracy.
Sensitivity 1V rms to 5V rms.
Display 0.3" 8 digit LED display.
FUNCTION GENERATOR
Waveforms Sine, Square, Triangle, +Pulse, -Pulse, Ramp & TTL Output.
Frequency Range 0.02Hz to 2MHz.
Output Amplitude 10V p-p with termination.
20V p-p without termination.
Attenuator 20dB switch & continuously variable (approx. 20dB).
Output Offset 0 to ±7.5V max.
Pulse Duty Cycle 30% to 70% variable.
Sine Distortion <1% at 1KHz.
Output Impedance 600 ohms & 50 ohms.
DIGITAL MULTIMETER
Type Autorange 3½ digit.
DC Voltage Range 0 to 1000V.
AC Voltage Range 0 to 700V.
DC Current 0 to 20 Amp.
AC Current 0 to 20 Amp.
Resistance 0 to 20M ohms.
Diode Testing Diode testing facility.
POWER SUPPLY DC
Regulated Power Supply  
Voltage Range 0 to 50V continuously variable.
Max. Current 0.5A.
Protection Over current / short circuit.
Display 3 digit LED.
15V Power Supply  
Output Voltage / Output Current +15V fixed / 1A.
5V Power Supply  
Output Voltage / Output Current +5V fixed / 2A.
GENERAL  
Power Requirements 115 / 230V ±10%, 47-65Hz.
Dimensions 385 (W) x 195 (H) x 340 (D) mm.
 

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