lathem 7500E calculating time clock

7500E Calculating Time Clock View on Amazon

Price and rank updated 01/18/2022

The Lathem 7500E is a calculating time clock with Atomic sync that tracks up to 100 employees

Calculating Atomic Clock

With a large clear display, the 7500E electronic time clock provides precise and exact time information using a signal from the WWVB atomic clock in Fort Collins, Colorado. An atomic time clock that automatically calculates worked time between punches and accumulates totals on the card for up to 100 active employees or jobs.

Keep Accurate Calculations

The 7500E lets you set pay periods or set job modes for accurate costing information. You can choose to automatically calculate actual or rounded time, and set the time clock to support automatic break deductions from daily totals. The internal lithium battery maintains the time, card totals, and program settings for up to 3 years without power.

Fully Automatic Time Clock

Automatic print-alignment and auto-sensing of front and back of card eliminates operator mistakes. Auto-feed and auto-eject of time cards reduces employee time required to punch in & out.

SmartClock Technology

SmartClock technology ensures that you will never need to adjust the clock for Daylight Savings Time or Leap Years. It maintains a perpetual calendar that keeps the correct time and date and even retains all of the time clock settings in the event of a power outage.


  • Calculates actual or rounded time
  • Accumulates total worked hours
  • Handles up to 100 active employees or jobs
  • Auto-feed and auto-eject of time cards
  • Optional automatic break deduction from totals
  • Print 12-hour (AM/PM) on 24-hour time
  • Print regular minutes (1/60) or 1/100 of hour
  • Fully automatic print alignment
  • Unlimited punches per day
  • Prints day of week or date
  • Automatic differentiation of the front and back of a double-sided time card

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