Check the listing for details. Dwyer Temperature Data Logger Model MTL-10. Condition: Used. Listed at 52.80 USD. SpecificationsTemperature Range:-40 to 185°F (-40 to 85°C).Memory Size:Capable of storing 2048 readings.Alarm Memory:Up to 12 temperature high and 12 temperature low.Accuracy:±0.9°F (±0.5°C).Resolution:±0.9°F (±0.5°C).Sampling Mode:Stop on memory full or continuous recording with memory rollover.Sampling Rate:Selectable from 1 min. to 4 hrs. in 1 min. increments.Computer Requirements:Intel compatible 486 or above and Windows® 95 or later with 8 MB RAM and 2 MB hard drive disk space, one free RS232 port.Power Requirements:3.0V Lithium battery.Battery Life:3 years (approx).Housing Material:ABS plastic.Alarms:Programmable high/low.Recording Start:Push button, computer controlled or up to 6 week delayed start.Real Time Clock:Displays seconds, minutes, hours, month, day of the week, and year.Real Time Status:Updated every second.Interface:RS232 Serial Port.Weight:3 oz (85 g).Agency Approvals:CE. Selling this item with 30 Day Refund and Free Shipping Track Page Views WithAuctiva's FREE Counter