Extech RHT20 Humidity and Temperature Datalogger View larger

Extech RHT20 Humidity and Temperature Datalogger


New product

Records up to 16,000 readings for each parameter

More details

Call 1300 556 601 For Price

$187.00 tax excl.

More info


  • USB interface for easy setup and data download
  • Selectable data sampling rate: 1 second to 24 hours
  • User-programmable alarm thresholds for RH and Temperature
  • LCD displays current readings, Min/Max, and alarm status
  • Complete with 3.6V Lithium battery, mounting bracket with combination lock, and Windows® 2000, XP, Vista, and 7 compatible analysis software




  • Display Multi-function LCD
  • Measurement ranges 0 to 100% RH, -40 to 158°F, -40 to 70°C
  • Resolution 0.1°, 0.1RH
  • Maximum data points 16,350 Temperature and 16,350 Humidity values
  • Sample rate 1s to 24h selectable
  • Analysis software Check the software download page of the extech.com website for the latest version of the PC software and its operating system compatibility.
  • Open input indication "LO" appears on the LCD
  • Low battery indication Empty battery symbol appears on the LCD
  • Power supply 3.6V Lithium Battery
  • Battery life 3 months (approximately)
  • Operating Temperature -40 to 158°F, -40 to 70°C
  • Operating Humidity 0 to 100% RH
  • LCD Operating Temperature -13°F to 158°F (-25°C to 70°C)
  • Dimensions 3.7x1.9x1.2") (94.4x48.9x31.2mm)
  • Weight 3.2oz (90.7g)