Measurement Temperature Measuring range -10 ... 60°C / 14 ... 140°F Resolution 0.01°C / 0.018°F Accuracy at 20°C / 68°F -10 ... 50°C / 14 ... 122°F: ± 0.3°C / 0.5°F Measurement Relative humidity Measuring range 0 ... 100% Resolution 0.01% Accuracy at 20°C / 68°F < 5%: ± (0.025% + 17.5% of mv) > 5%: ± (1% + 5% of mv) > 15%: ± (2% + 3% of mv) Measurement Dew point* Measuring range -50 ... 30°C / -58 ... 86°F Resolution 0.01°C / 0.018°F Accuracy -40 ... 20°C / -40 ... 68°F: ± 2°C / 3.6°F -50 ... -40°C / -58 ... -40°F: ± 2.5°C / 4.5°F *The accuracy of the dew point relates to an ambient temperature of 16 ... 25°C / 61 ... 77°F Measurement H2O Measuring range 40 ... 20,000 ppm Resolution 1 ppm Accuracy at 20°C / 68°F ± (7.3 ppm + 8.3%) Environmental conditions -10 ... 60°C / 14 ... 140°F 0 ... 20 bar (absolute) Response time at: 0.2 m / s, 1 bar, 0 ... 40°C / 32 ... 104°F: 20s [120s] 20°C / 68°F, 63% RH [90%] -40 ... 0°C / -40 ... 32°F: 10s [20s] Data storage For approx. 50,000 measuring points Adjustable storage rates 10 seconds 1, 5, 10, 20, minutes Adjustable recording time 1, 5, 12, 24, 48 hours File format CSV Cable length Approx. 1.5 m / 4.9 ft Thread G1 / 2" Thread length 1.2 cm Probe length 5.2 cm Probe width 1.2 cm Display 2.3" LCD Power supply Battery 3.7V DC, 3000-mAh Power supply power pack Primary: 100 ... 240V AC, 0.25 A Secondary: 5V DC, 1 A Interface 7 mains connection Micro USB Weight Approx. 610 g / 1.3 lbs