Digital Psophometer   Model 1072
  
     
 
Features
Model 1072
  • Measurement of Metallic Noise, Longitudinal Noise, Level and Transmission Loss Over a Transmission Line
  • Weighted and Flat Frequency Response as per CCITT Standard
  • Built-in 'Power Hum' Measurement Facility
  • Input Impedance Selection 600, 1120 ohms or HI
  • Operated on Mains / Internal Battery or On External 6V DC Source
  • 'Low Battery' Indication
  • Recorder Output Available
Technical Specifications
Frequency Range 1) Weighted Mode : 15Hz to 6KHz as specified by CCITT.
2) Unweighted Mode : 15Hz to 10KHz.
Measuring Range 1) dBm : -90dBm to 0dBm.
2) Voltage : 30µV to 1V.
Min. Measurable Value 10µV (-98dBm).
Accuracy at 800Hz ±0.5dB (0 to -60dBm).
±1dB (-60 to -90dBm).
Input Impedance 600 ohms, 1120 ohms balance & respective Hi.
Freq. Resp. of Psophometer Measurements According to CCITT weighting coefficient for telephone circuits.
Display 3½ digit LCD.
Recorder Output 100µA at 0dBm, 1120 impedance.
Power 115/230V AC ±10%, 47-65Hz, 19VA (max).
Int. Batt. : Maintenance Free Rechargeable Battery.
Ext. : 6V DC.
Dimensions 265 (W) x 105 (H) x 356 (D) mm.
Weight 4 Kgs. approx.
 

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