HOBO 5-Inch Probe Temperature Data Logger

Specifications

Logger

Measurement Range:-40° to 125°C (-40° to 257°F)
Accuracy: ±0.25°C from 0° to 50°C (±0.45°F from 32° to 122°F)
Resolution: 0.03°C at 25°C (0.05°F at 77°F)
Drift: 0.09°F/year + 0.2°F/1000 hrs above 212°F
Response Time in 1 m/s (2.2 mph) airflow: U12-015: <10 minutes, typical to 90%
U12-015-02: 2.25 minutes, typical to 90%
Response Time in Water: U12-015: <3.5 minutes, typical to 90%
U12-015-02: 20 seconds, typical to 90%
Time Accuracy: ±2 minute per month at 25°C (77°F)
Operating Environment: Air, water, steam, 0 to 100% RH
Operating Temperature: Logging: -40° to 125°C (-40° to 257°F)
Launch/readout: 0° to 50°C (32° to 122°F), per USB specification
Battery Life: 3 year typical use, factory replaceable
Memory: 64K bytes (43,000 12-bit measurements)
Construction: 316 series stainless steel, EPDM or Viton O-ring; see Food-Grade Compliance section for additional details
Weight: U12-015: 72 g (2.5 oz) (U12-015-02: 82 g (2.9 oz))
Logger Dimensions:17.5 x 101.6 mm (0.69 x 4.00 inches)
Probe Dimensions (U12-015-02 4 x 124 mm (0.16 x 4.90 inches)
Pressure/Depth Rating: 2200 psi maximum (1500 m/4900 ft maximum)
NIST Certificate: -22° to 248°F