Reed LM-81HT-NIST Compact Thermo-Hygrometer

Original price was: $394.00.Current price is: $374.30.



Reed LM-81HT-NIST Compact Thermo-Hygrometer

Reed LM-81HT-NIST Datasheet (PDF)

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. It 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


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-NIST

  • Thermo-Hygrometer
  • Wrist Strap
  • Battery
  • Calibration Certificate

Ideal Applications for the REED LM-81HT

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

Additional information

Weight 1 lbs
Dimensions 10 × 7 × 8 in

You may also like…