20:10:39:14Requirements

for monitoring systems and recording devices. A digital recording device is used to record current and voltage for extended periods of time. A digital recording device must have the same level of resolution and accuracy as specified in § 20:10:39:10. Digital recording devices with deviation settings must permit the deviation setting to be set low enough to meet the resolution and accuracy requirements in subdivision 20:10:39:10(1). Monitoring systems combine measuring and recording functions in a single instrument. Monitoring systems shall have the same level of resolution and accuracy as specified in § 20:10:39:10. Recording devices and monitoring systems shall be capable of recording transient deviations of one-tenth of a second or less in duration from the steady-state. Any recording device must be able to log the time and date of all data recorded and have its internal clocks synchronized.

Source: 42 SDR 174, effective June 21, 2016.