http://www.reliabilitydirect.com/extech-direct_pdf/42270_42275_42260_42265_UM.pdfTemperature Datalogger Features

• Multiple Dataloggers 42260 or 42270) can be programmed and data downloaded from one single docking station
• Programmable sampling rate from 1 sec to 2 hrs plus Hi/Lo limits with alarm indication
• Program the logger, analyze and store data using Windows 95/98/2000/NT/ME/XP compatible software
• Three start methods: Scheduled, immediate or magnetic
• Real time clock stores date & time with data
• Applications:
  • Clean rooms
  • Freezer
  • Shipping Crates
  • Storage areas
  • Refrigerator
  • Shipping Vans
  • Cargo Vessels
  • Warehouses

Specifications: (Ranges/Resolution/Basic Accuracy)

• Temperature: -40deg.F to 185deg. (-40deg.C to 85deg.C) / +/-1deg.F (-4 to 122 deg.F), +/-2deg.F (-40 to -4deg.F, 122 t o185 deg.F), +/- 0.6deg.C (-20 to 50deg.C), +/-1.2deg.C (-40 to 20deg.C, 51 to 85deg.C)
• Humidity: 0 to 100%RH / 0.1% / +/-5%RH
• Datalogging Interval: 1 sec. to 2 hours
• Memory: Temperature: 8000 points; Relative Humidity: 8000 points
• Dimensions: 3x2.3x0.88" (76x57.2x22.3mm)
• Weight: 2.6oz. (72.6g)

Download User's Manual