20 : 10 : 39 : 14 . Requirements 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 .

General Authority: SDCL 49 - 47 - 2.

Law Implemented: SDCL 49-47-2 , 49 - 47 - 3 .