M.H. Rhodes/Cramer Company Datasheets for Elapsed Time Indicators (ETIs)

Elapsed time indicators (also known as ETIs, elapsed time meters, and hour meters) indicate, monitor, and record durations of time. The most common ETI is the hour meter, which records elapsed time in hours.
Elapsed Time Indicators (ETIs): Learn more

Product Name Notes
Elapsed Time Indicator -- Model 635
Elapsed Time Indicator -- Model 636
The Cramer line of ETI's are used to record the amount of "on-time" operation for industrial and commercial grade equipment. Resettable and Non-Resettable versions are available either in round or...
AC Hour Meter -- 637 Series The Cramer 637 Series AC Quartz Hour Meters sustain an operating voltage range of 90-264 VAC, 50/60Hz and are offered in standard industry housing of two-screw or clip rectangular and...
DC Hour Meter -- 638 Series The Cramer 638 Series DC Meters sustain an operating voltage range of 10-80 VDC and are offered in standard industry housing of two-screw/clip rectangular and three-screw round mounting options. 100%...