Altek calibrator 942 replace with PIE 541 Frequency calibrator

Description

Miss your Altek 942? Well you have found the original design team!
PIE 541 frequency calibrator, made in the USA by members of the team that designed the Altek 942
Easier setup and use - simple push button menu
Longer battery life,   Auto-Off feature shuts off calibrator when not in use
Uses only 1 9V battery,   not 6 AA's
Source and Read up to 20KHz,  totalizer allows you to set # pulses generated(or read) over specific time period.
Still being manufactured and supported
For more info about PIE calibrators and our Altek background,  visit us at
www.piecal.com