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REED LM-81HT Thermo-Hygrometer

Model: LM-81HT | UPC: 800837000750

REED LM-81HT Thermo-Hygrometer

Model: LM-81HT | UPC: 800837000750

Dual LCD display shows ambient temperature and relative humidity simultaneously.

REED LM-81HT Offers

This compact thermo-hygrometer measures temperature and humidity and features Data Hold and Min/Max functions. The LM-81HT is easy-to-use and comes with a wrist strap for one handed field operation.


  • Compact and lightweight
  • Dual LCD display
  • User selectable °F/°C
  • Data Hold and Min/Max function
  • Low battery indicator and auto shut-off

REED LM-81HT Specifications

Measuring Range 32 to 122°F (0 to 50°C)
Accuracy ±2.5°F (1.2°C)
Resolution 0.1°F/°C
Measuring Range 10-95% RH
Accuracy ±5% RH
Resolution 0.1% RH
General Specifications
Display Dual Display, LCD
Data Hold Yes
Min Yes
Max Yes
Auto Shut-off Yes (after 10 mins)
Low Battery Indicator Yes
Power Supply 9V battery
Product Certifications CE
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature 14 to 140°F (-10 to 60°C)
Operating Humidity Range 10-80%
Dimensions 6.1 x 2.4 x 1.3" (156 x 60 x 33mm)
Weight 5.6 oz (160g)

What's included with the REED LM-81HT

  • Thermo-Hygrometer
  • Wrist Strap
  • Battery

Ideal Applications for the REED LM-81HT

  • Environmental studies
  • Food distribution
  • HVAC/R system installation
  • Greenhouses and industrial spaces
  • Saunas
  • Humidors
  • Museums
  • Lab Monitoring

Click on a category to view a selection of compatible accessories with the REED LM-81HT Thermo-Hygrometer.

REED CA-52A Small Soft Carrying Case

Model: CA-52A

Features a main instrument compartment and a side pouch for accessories.