RHT20 Temperature & Humidity Data Logger

• USB interface for easy setup and data download
• Selectable data sampling rate: 1second to 24 hours
• User-programmable alarm thresholds for RH and Temperature
• LCD displays current readings, Min/Max, and alarm status
• Long battery life (approx. 1 year)
• Complete with 3.6V Lithium battery, mounting bracket with combination lock, and Windows® 2000, XP, and Vista compatible analysis software
• 1-year warranty

Specifications of the Extech RHT20 Temperature Humidity Data Logger

                                  Range             Resolution             Accuracy         

• 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 interval 1 second to 24 hours
• Memory Temperature: 16,000 points; Relative Humidity: 16,000 points
• Dimensions 3.7 x 1.9 x 1.2" (94.4 x 48.9 x 31.2mm)
• Weight 3.2oz (90.7g)