Thermohygrometers at a glance
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Product Humidity Accuracy Humidity Range Power Temperature Accuracy Temperature Range Type (Wall mount or portable) Low-Cost Wall Mount Thermohygrometer ±5% RH from 15 to 25°C 10 to 90% RH none required ±2°C -20 to 40°C wall mount Handheld Thermohygrometer with dew point ±2% 0 to 100% two AA batteries ±1°F (±0.5°C) –40 to 140°F (–40 to 60°C) Portable Large Dial Wall Mount Thermohygrometer ±5% RH from 15 to 25°C 20 to 100% RH none required ±2°C / ±3.6°F -30 to 40°C / -22 to 122°F wall mount Basic Wall Mount Thermohygrometer ±3% RH from 20 to 50°C, ±5% RH beyond 20 to 99% RH none required ±5°C / ±10°F -20 to 50°C / -4 to 120°F wall mount Wall Mount Thermohygrometer with Digital Thermometer ±4% from 20 to 90% RH; ±8% from 90 to 100% RH 20 to 100% RH one 1.5 V AA battery (included) ±1°C / ±1.8°F -18 to 72°C / 0 to 160°F wall mount Thermohygrometer Kits ±2% from 0 to 95% RH at room temp., ±3% from 95 to 100% RH 0 to 99.9% RH 4 x 1.5 V AAA batteries, 50 hours continuous use ±0.6°C (±1.0°F) 0.0 to 50.0°C (32.0 to 122.0°F) Portable
