Tayoma Engineering Industries Pvt. Ltd.

Rpm Cum Hour Meters




These are Similar to Speedometers, Working On a Magnetic Drag Cup Principle. the Dial is Calibrated for the Engine Rpm and the Hour Counter Records Engine Hours At the Specified Engine Rpm. in Tractor Meters, the Double-ended Pointer (index) Simultaneously Indicates Engine Rpm and Forwards Tractor Speed in Various Gear Position and the Odometer Records Engine Hours.


Technical Specifications

Case Size Normally 60mm, 80mm, 85mm & 100mm diameter in round shape. Other diameters and profiles on special request.
Range Tachometer - any range up to 4000 RPM
Speed Indicator : As per tractor gear box details.
Drive Ratio 1:1 and 1:2 standard ratios (Drive cable RPM) other ratios on request
Hour recording At the rated engine RPM- to specified
Direction of Rotation Normally clockwise, anticlockwise meters can also be manufactured
End Connections Normally straight back entry connection with standard spindle
Threading - M12*1
M16*1
M18*1.5
5/8"*18"NF
Square Connection 2.6mm js"
Engine Hour Counter 5 rolls suitable for tantalization up to 9999.9 hours; at the specified engine, RPM in 6 'O' clock/12 'O' clock position.
Illumination Normally backlit type with polycarbonate dial and rear mounted bulb holder, suitable for BA 7s/ BA 9s bulbs.
Mounting Panel mounting type with "U" clamp / Side brackets
Bezel Finish Bright chrome/Black painted
Dial design & pointer As per requirement
Indicator/Signal lights Can be incorporated on specific request.