Sper Scientific 800013 RH/Temperature Pen

Displays current RH & temperature readings, and automatically logs: Air Temperature, RH, Dew Point, Wet Bulb. Records up to 32,000 data points that can be downloaded by plugging the pen directly into a USB port, with no cradle or cable necessary. Data logging can be programed to begin immediately, at a predetermined time, activated by the unit's push button, or to continually roll over after a set number of data points. Green and red led lights indicate data logging and alarms. Comes with software, ½ AA battery, tripod screw and a wrist strap. N.I.S.T. traceable certificate of compliance available. Dimensions: 1" × 5¼" (25 × 133 mm) Weight: 1.2 oz (34 g) .

• Sper Scientific 800013 Data logging RH/ Temperature Pen. Displays current RH & temperature readings, and automatically logs: Air Temperature, RH, Dew Point, Wet Bulb. Records up to 32,000 data points that can be downloaded by plugging the pen directly into a USB port. Range: Temp -40 ~ 85°C -40 ~ 185°F| Humidity: 0.1 ~ 99.9%
• Resolution: Air Temp 0.1°C / F| RH: 0.1%
• Accuracy: Temp ±0.6°C / 0.9°F (-20 ~ 50°C) otherwise ±1.2°C, ±2°F| Humidity: ±3% (@25°C & 10 ~ 99% RH) otherwise ±5%
• Records up to 32,000 data points that can be downloaded by plugging the pen directly into a USB port, with no cradle or cable necessary