Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
The professional looking MTA-1 requires no power for operation. Simply set the separately adjustable high and low set points within +32 to +100 deg F (0 to 38 deg C) range. If the monitored temperature rises above the high set point, a dry contact closure output is provided. If the monitored temperature falls below the low set point, a second dry contact closure output is provided.
