Onset MX2204 HOBO TidbiT MX Temperature 5000' Data Logger (-20°~70°C)

Logger Operating Range: -20° to 70°C (-4° to 158°F)

Logging Rate: 1 second to 18 hours

Time Accuracy: ±1 minute per month at 25°C (77°F)

Battery: CR2477 3V lithium, non-replaceable

Memory: 96,000 measurements 

Dimensions: 4.06 x 6.99 x 3.51 cm (1.6 x 2.75 x 1.38 inches)

Weight: 32.8 g (1.16 oz) 

Temperature Sensor: 

  Range: -20° to 70°C (-4° to 158°F) in air; -20° to 50°C (-4° to 122°F) in water, maximum sustained temperature in water 30°C (86°F)

  Accuracy: ±0.25°C from -20° to 0°C (±.45°F from -4° to 32°F); ±0.2°C from 0° to 70°C (±0.36°F from 32° to 158°F) 

  Resolution: 0.01°C (0.018°F) 

  Response Time: 15 minutes typical to 90% in air moving 1 m/s, unmounted; 4 minutes typical to 90% in stirred water, unmounted