Features Extended temperature range: -40 to 125°C (-40 to 257°F) Glass bead thermistor for highly stable readings 5" probe model with 20-second response time Rugged food-grade 316L stainless steel housing Pressure housing for autoclaves and underwater to 2200 psi (1500 meters or 4900 feet) Fits in standard beverage bottle necks 43,000 temperature readings logged in non-volatile EEPROM memory Battery status indication at launch Fast data readout via direct USB interface Easy-to-use HOBOware™ (Windows or Mac) software for logger launch, data readout, and data plotting Patented technology (U.S. patent 6,826,664)

Model: U12-015

Detailed Specifications

• Accuracy: 0.22°C at 25°C (0.4°F at 77°F) (See graph)
• Resolution: 12-bit 0.02°C @ 25°C (0.04°F @ 77°F) (See graph)
• Drift: 0.05°C/yr + 0.1°C/1000 hrs above 100°C
• Response time in water (typical to 90%)
   • Internal sensor: <3.5 minutes
   • 5" Probe: 20 seconds
• Response time in air moving 1 m/sec (typical to 90%)
   • Internal sensor: <10 minutes
   • 5" probe: 2.25 minutes
• Time Accuracy: ±2 minutes per month at 25°C (77°F)
• 43,000 12-bit measurements
• Programmable Start time/date
• Construction: 316L Stainless Steel
• Pressure/depth rating: 2200 psi (1500 m/4900 ft) maximum
• Vibration: Tested to NAVMAT P-9492*
• Communications: Direct USB interface
• Battery life: 3 years typical, factory replaceable**
• NIST certification available from –30° to 120°C (-22° to 248°F)

** Operating at 125°C (257°F) for 60 minutes per day.

Required Software

HOBOware™ for Windows® or HOBOware™ for Mac software is required to operate the HOBO^® U12-015 logger. Each starter kit includes software, USB interface cable, and software manual.