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HOBO U12 Stainless Steel Temp Logger w/ 5" Probe


The stainless steel temperature data logger with probe has a wide temperature recording range of -40°C to 125°C with a food-grade stainless steel housing. The logger features a glass bead thermistor, data storage up to 43,000 Samples, programmable start time and date, 3 year battery life and pressure rating up to 2200 psi. at a maximum depth of 1500 ft.

Required with the Temperature Data Logger
>> HOBOware™ Software Kit

NOTE: For deployment in saltwater see 316 stainless steel and possible corrosion in saltwater or contact us to discuss your application
NIST Calibration is available.

Description Part Number
HOBO U12 Temp Logger w/ 5in Stainless Probe U12-015-02
Required Software Kits - 1 Required (Compare HOBOWare Versions)
HOBOware Lite Software Kit for Windows/Mac (includes Software and Cable) BHW-LITE-CD
HOBOware Pro Software Kit for Windows/Mac (includes Software and Cable) BHW-PRO-CD
Standard NIST Calibration Service
Standard NIST Temperature Calibration (1 Point) Note: 3 to 5 Day Lead Time for All Calibration Orders CAL-NIST-TEMP
Optional Accessories
Onset U-Shuttle Data Transporter (Requires HOBOware Pro Software) U-DT-1
Custom USB Interface Cable CABLE-USBMB-HS

Stainless Steel Temp Logger Features

  • 5" probe allows for 20 second response time
  • Extended Temperature Range: -40°C to 125°C (-40°F to 257°F)
  • Glass bead thermistor for highly stable readings
  • Rugged food-grade 316L stainless steel housing
  • Fits in standard beverage bottle necks
  • 43,000 temperature readings logged in non-volatile EEPROM memory
  • Complete data readout in less than 1 1/2 minutes via direct USB interface
  • Pressure housing for autoclaves and underwater to 2200 psi (1500 meters or 4900 feet)
  • Requires HOBOware Software and USB Kit (PC and MAC Versions)

Stainless Steel Temp Logger Specifications

Measurement Range -40°C to 125°C (-40°F to 257°F)
Accuracy ±0.22°C at 25°C (±0.4°F at 77°F) see Diagram
Resolution 0.02°C @ 25°C (0.04°F @ 77°F)
Drift 0.05°C/yr + 0.1°C/1000 hrs above 100°C
Response Time Water: 20 Seconds to 90%
Air: 2.25 minutes to 90% ( Moving at 1m/sec)
Time Accuracy ±2 Minutes per Month at 25°C (77°F)
Sampling Rate 1 Second to 18 Hours
Data Storage Capacity 43,000 12-bit Samples/Readings
Housing Construction 316L Stainless Steel with O-ring seal
Pressure/Depth Rating 2200 psi (1500 m/4900 ft) maximum
Modes Programmable Start Time/Date
Operating Temperature Logging: -40°C to 125°C (-40°F to 257°F)
Launch/Readout: 0°C to 50°C (32°F to 122°F)
Operating Environment Air, Water, Steam (0 to 100% RH)
Battery Life 3 Years, Operating at 125°C for 60 Minutes/Day
Battery Factory Replaceable
Standards Compliance CE
Weight 82 g (2.9 oz)
Logger Dimensions 10.1cm long x 1.75cm diameter
Probe Dimensions .04cm x 1.25cm (0.16" x 4.90")