Sper Scientific 800013C Datalogging RH / Temperature Pen, NIST Certificate of Calibration
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. Datalogging 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 datalogging 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)
Comes with a NIST certificate of calibration. The NIST certificate specifies that the standards against which the product has been certified or calibrated were themselves calibrated by the National Institute of Standards and Technology (N.I.S.T.), or with N.I.S.T. calibrated equipment under conditions specified by N.I.S.T. 