The DL160 is a Dual Input True RMS AC Voltage/Current Data logger. Simultaneously data log 2 channels of up to 256,000 readings of TRMS AC Voltage (600V) or Current (200A) or one AC Voltage and one AC Current input with a user programmable sample rate from 1 second to 24 hours.
The Extech RH550 is a paperless color chart recorder that provides simultaneous digital and graphical display of %RH and temperature or dew point, as well as showing date/time and min/max values.