| GENERAL CHARACTERISTICS ITEM DESCRIPTION | CABINET,RACK MTG,11.250 IN. LG,19.000 IN. W,8.750 IN. H,RECORDINGRANGE,40 DB FULL SCALE,FOR DC RECORDING,0.8 TO 1 V /0.8 TO 1.0 MA/FULL SCALE,LEVEL RECORDING,HIGH FREQ RESPONSE PORM 2 DB TO 200 KHZ,DC RECORDING,3 DB DOWN AT 8 HZ,POTENTIOMETER LINEARITY,20,40,80 DBPOTENTIOMETERS,PORM 1 PCT OF FULL SCALE DB VALUE PLUS A FREQ ERROR OF 0.5DB AT 100 KHZ AND 1.5 DB AT 200 KHZ,LINEAR POTENTIOMETER,PORM 1 PCT OFFULL SCALE,RESOLUTION PORM 0.25 PCT OF FULL SCALE,MAX SENSITIVITY 1 MVAT 0 DB FOR LEVEL RECORDING,0.8 OR 1 V FULL SCALE FOR DC RECORDING,MAXINPUT VOLTAGE 100 V AC,INPUT ATTENUATOR,60 DB IN 10 DB STEPS,INPUTIMPEDANCE,10000 OHMS FOR AC LEVEL RECORDING,1000 OHMS FOR DC RECORDINGPAPER SPEEDS OF 2.5,7.5,25,75 IN./MIN,EXTERNAL DC REFERENCE,ANEXTERNAL DC REFERENCE VOLTAGE OF FROM 0.5 TO 1.5 V CAN BE APPLIEDINTERNALLY TO CORRECT FOR VARIATIONS OF UP TO 3 TO 1 IN THE SIGNAL SOURCEOF THE SYSTEM UNDER TEST,DETECTOR RESPONSE,RMS WITHIN 0.25 DB FORMULTIPLE SINE WAVES,SQUARE WAVES,OR NOSIE, |