Onset MX1101 Temp/RH Data Logger (-20~70°C, 1~90%RH)

Temperature Sensor

Range: -20 ~ 70°C (-4 ~ 158°F)

Accuracy: ±0.21°C: 0 ~ 50°C (±0.38°F: 32 ~ 122°F)

Resolution: 0.024°C at 25°C (0.04°F at 77°F)

Response time: 7.30 minutes in air moving 1 m/s (2.2 mph)

RH Sensor

Range: 1 ~ 90% (non-condensing)

Resolution: 0.01%

Hysteresis: ±2% RH

Response time: 20 seconds to 90% in air moving of 1 m/s (2.2 mph)

Logging Rate: 1s ~ 18h

Battery Type: Two AAA 1.5 V alkaline batteries

Memory: 128 KB (84,650 measurements, maximum)

Size: 3.66 x 8.48 x 2.29 cm (1.44 x 3.34 x 0.9 in.)

Weight: 56 g (1.98 oz)

Environmental Rating: IP50

Datasheet