Traceable® Memory-Card Humidity/Temperature/Dew Point

Catalog No. 6404


  • Integrated Data Logger uses removable SD memory cards
  • Captures 5.9 million readings with the supplied 256 mb SD card
  • Min/Max memories and Hi/Lo Alarms
  • Unit captures 5.9 million readings (over 10 years of  minute by minute readings)with 256 mb removable SD memory card
  • Portable card reader with USB connector plugs into any computer—no software to install
  • Memory card text file shows date, time-of-day, and all sensor readings in a single line
  • Minimum/Maximum feature displays highest/lowest readings for any time period
  • Alarm features beeps and flashes a bright red LED when temperature, humidity, and dew point rise above or fall below user-set trip points, alarm sets in 0.1 increments
  • Unique 4-line display simultaneously shows ambient temperature, humidity, dew point and time-of-day
  • Operates using supplied batteries or supplied adaptor (batteries last one year with no data capture and one month with sampling rate of one per minute) (if adaptor receives no current battery provides automatic backup)
  • Temperature Range: 32 to 122.0°F (0 to 50.0°C)
  • Resolution: 0.1°
  • Temperature accuracy: ±1°C
  • Humidity Range: 0.0 to 90.0%RH
  • Resolution 0.1
  • Humidity accuracy: ±5%RH at 25°C in range of 20 to 85%RH; ±7%RH elsewhere
  • Size: 4-1/4 x 3-1/2 x 1-1/4 inches
  • Weight: 7 ounces

To assure accuracy an individually serial-numbered Traceable® Certificate is provided from Control Company ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology).


For more model options, please download HUMIDITY METERS brochure.