H57 & AH57

Low Cost Hour Meter

Category:

These meters are mainly used for monitoring the running time of machines, apparatus and instruments as well as for recording maintenance time, warranty time or rental use time. A synchronous motor operating through a gear train drives the number wheels for the display of full hours 1/10 h and 1/100 h. On AC-versions, the main supply (50 or 60 Hz) is used as frequency standard. On DC-versions the exact frequency generated by means of a quartz crystal. A rugged and completely insulated plastic housing provides substantial protection against environmental influences.

Features

• UL Listed, CE Certified
• Low Cost
• 7 Digit Display (99999.99 Hours)
• AC or DC Voltages
• Small Case

Literature