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Lutron Temperature and Humidity DataLogger (MHT-381SD)

Model #: MHT-381SD
$129.95 $99.00

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Lutron Temperature and Humidity DataLogger (MHT-381SD)
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Category Temperature & Humidity

Lutron Air Monitor (MHT-381SD) Relative Humidity & Temperature. DataLogger records onto optional SD card.

  • Records onto optional SD card, which later can be downloaded onto PC or equivalent, to view in most compatible spreadsheets.
  • Display temperature and humidity on large digital display.
  • Low power consumption and long battery life.
  • RS232/USB computer interface available.
  • Integrated hanging unit.
  • Low battery indicator.
  • F or C selectable.


  • Datalogger sampling time interval: 5/10/30/60/120/300/600 seconds or "Auto" (automatic).
    • Default sampling time is 60 seconds.
    • The "Auto" sampling means when the measurement value is changed (by 1% RH or 1 degree), that value will be saved as the data entry.
  • Humidity:
    • Range: 10 to 90% RH.
    • Resolution: 0.1% RH.
    • Accuracy:
      • at 70% RH or greater: within (4% of the reading + 1digit).
      • at less than 70% RH: within 4% of the reading.
  • Temperature:
    • Range: 32 to 122 F.
    • Resolution: 0.1 degree.
    • Accuracy: within 1.5 F.
  • Power: (6) AAA alkaline batteries or optional AP-9V110 power supply.
  • Operating Temperature: 32 F to 122 F (0 to 50 C).
    NOTE most batteries are not rated for below -4 F or above 125 F.
  • Operating Humidity: less than 90% RH non-condensing.
  • Dimensions: 5.2" x 31" x 1.3".
  • Weight: 10 ounces (without batteries installed).
Search Category: Business & Industrial
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Category Temperature & Humidity
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