Triplett RHT12-NIST Hygro-Thermometer (40 ~ 80%RH, -10 ~ 50°C; With Certificate of Traceability to N.I.S.T.)

Humidity Accuracy: ±5% (40 to 80%RH); ±8% (other ranges)

Humidity Resolution: 1%RH

Temperature Range: 14 to 122°F (-10 to 50°C)

Temperature Accuracy: ±1.8°F / 1°C within 32 to 95°F (0 to 35°C); ±3.6°F / 2°C (other ranges)

Temperature Resolution: 0.1°F/°C

Power: LR44 battery

Dimensions / Weight: 2.2 x 1.3 x 0.5” (57 x 32 x 11.5mm) / 0.8oz (21g)

Datasheet

Manual