MTH-103D Tachometer / Hourmeter / Overspeed Trip
Obsolete - Replaced by MTH-103E
Power: Magnetic pickup or 930 Vdc.
Input Signal Frequency: From 10 to 13,000 Hz.
Environment Temperature: Operating: 5ºF to +175ºF (20ºC to +79ºC)
Storage: 40ºF to +195ºF ( 40ºC to +90ºC)
Vibration: Military Standard 810C, Method 514.2, Curve P, to 500 Hz.