CDI Torque SURETEST Torque Calibration System - Manual (Page 10)

FUNCTIONAL DESCRIPTIONS AND SPECIFICATIONS CHAPTER 2
The SURETEST operates directly from any AC power line between
120VAC to 220 VAC, 50–60 Hz without the need for switch selection. A
hard-wired lithium battery keeps the internal memory and date-time
clock operating for up to 10 years. The real time clock is fully year 2000
compliant.
The information in this manual is general. Operational features, procedures and
specifications may change without notice. CDI makes no claims as to the suitability of
this information for diverse user applications.