SHAFT-PLANETARY 7Y0225 - Caterpillar

Dimensions of the Tachometer
Illustration 1 shows the front view and the side view of the new 150-7700 Tachometer. Illustration 1 also contains all the dimensions that are used to mount the new tachometer. Table 1contains all the necessary specifications of the new tachometer.
Illustration 1 g00792973
Mounting Dimensions And Specifications (1) Mounting requires clearance holes for 10 to 32 mounting screws. 3 holes, 120 degrees apart on a 13.2 cm (5.2 inch) diameter bolt circle.Specifications
Table 1
Specifications Of The 150-7700 Switch    
Power Requirements     12-36 VDC, 50 mA Max.    
Hazardous Area Classification     Class 1, Div. 1, Group D With Barrier    
    Class 1, Div. 1, Group D    
Instrument Display:        
Type     4-Digit LCD, 0.4 Inch Height With 20-Segment Bar Graph    
Units Displayed     RPM Or None    
Range     0-9999, Setable Decimal    
Instrument Accuracy     0.5% 1 Digit    
Display Update Rate     2 Times Per Second    
Output Switches     4 Solid State, N.O. Or N.C. 200 VDC, 140 mA Continuous    
Ambient Temperature Range    
−40 °C (−40 °F) to
80 °C (176 °F)