| GENERAL CHARACTERISTICS ITEM DESCRIPTION | FREQUENCY METER,RANGE RATING P388.0/P412.0 HERTZ,CURRENT TYPE AC,VOLTAGE RATING 240.0,ACCURACY RATING NOT MORE THAN 1/4 OF 1 PERCENT FOR 120 VOLT SINWAVE INPUT AT ROOM TEMP,CASE DIM. 3.510 IN. DIA 2.450 IN. D,SCALE CALIBRATED IN CYCLES OVER RANGE P388.0/P412.0 W/NOT LESS THAN 48 DIVISIONS WHITE WITH BLACK MARKINGS WITH A DOUBLE WIDTH RED MARK AT 400 CYCLE POINT,NEEDLE RESTS ON THE LEFT HAND EDGE WHEN INSTRUMENT IS DE-ENERGIZED,FLUSH MTD ON 3.160 IN. BOLT CIRCLE,3 HOLES EQUALLY SPACED 120 DEG 0.150 IN. DIA FOR 1 IN. LG 6-32 UNC SLOT HEADED BOLT AND SELFLOCKING NUTS,2 TERMINALS 1/4-28 UNF-2A PERMANENTLY ATTACHED,SOURCE CONTROL DWG132143163-97403 AND TRANSDUCER,AC INPUT 120 VOLTS,1 PHASE 400 CYCLE,AC INPUT DC OUTPUT ELEMENT ISOLATED FROM EACH OTHER AND FROM GROUND,DIM. 3.500 IN. MAX W.,3.000 IN. MAX H,3.180 IN. MAX D,6 MTG HOLES 0.188 IN. DIA LOCATED TOP AND BOTTOM EDGE 2.680 IN. C TO C H,0.880 IN. C TO C W,1.750 IN. FROM C TO C OF OUT SIDE HOLES,4 NO. 6-32 UNC-2A TERMINALS LOCA |