Extech RHT20 Humidity and Temperature Datalogger The Extech RHT20 Humidity & Temperature USB Datalogger can records up to 16,000 Humidity and 16,000 Temperature readings with selectable sampling rates of 2s, 5s, 10s, 30s, 1min, 5min, 10min, 30min, 1hr, 2hr, 3hr, 6hr, 12hr and 24hr. Additional Features Featuring user-programmable alarm thresholds for RH and Temperature, the RHT20 displays current temperature and humidity readings, Min/Max, and alarm status. It has a Humidity range of 0 to 100 percent RH, a Temperature range of -40 to 158 degrees F (-40 to 70 degrees C) and an accuracy of ±3 percent RH and ±1 degrees C/1.8 degrees F. USB connector easily plugs in to a PC for data analysis. Technical Data Range Resolution Accuracy (%rdg digits) Temperature: -40 to 158°F 0.1°F/°C ±1.8°F (14 to 104°F) ±3.6°F (all other ranges) -40 to 70°C ±1.0°C (-10 to 40°C) ±2.0°C (all other ranges) Humidity: 0 to 100%RH 0.1%RH ±3%RH (40 to 60%) ±3.5%RH (20 to 40 & 60 to 80%) ±5%RH (0 to 20 & 80 to 100%) Datalogging intervaly: 1 second to 24 hours Memory: Temperature: 16,000 points; Relative Humidity: 16,000 points Dimensions: 94.4 x 48.9 x 31.2mm Weight: 90.7g
