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Extech RHT30 USB Humidity/Temperature Datalogger

Extech RHT30 USB Humidity/Temperature Datalogger is an easy-to-use datalogger that records humidity and temperature with a date/time stamp. The rugged meter can store up to 48,000 readings that can be transferred to a PC in PDF or Excel® spreadsheet format. Other features include an 8-location logger bookmark, 6-language options, programmable sampling interval, adjustable alarm, and password-protected security log-in. A large LCD optimizes viewing and the smart LED provides color-coded humidity/temperature reading status. The RHT datalogger includes 2x CR2032 batteries, a USB cover (which can be used as a stand), a wall mounting screw, and a built-in hanger.

Features

  • Compact size housing with built-in NTC thermistor and capacitive humidity sensor designed with standard USB connectors for easy data downloading to a PC
  • 5-digit LCD with battery life indicator
  • User programmable settings: 6 languages, sample rate, start delay time, alarm delay time, high/low alarm range, and security
  • Status indication via red and green LEDs
  • Start button begins continuous datalogging, which continues until memory is full at 48,000 readings (24,000 for each parameter: Humidity/Temperature), or when the Stop button is pressed
  • Bookmark 8 locations in a data recording log with a press of the Mark button
  • Long battery life (approx. 3 months)
  • Generates a PDF report or Excel® spreadsheet with data and trending graph when plugged into a PC after datalogging is completed (Adobe® Reader® required)
  • Max/Min function
  • Includes 2x CR2032 batteries, a USB cover (can be used as a stand), a wall mounting screw, and a built-in hanger

Specifications

  • Humidity
    • 0.1% to 99.9% relative humidity range
    • 0.1% maximum resolution
    • ±3% basic accuracy
  • 30s to 2 hours datalogging interval
  • 24,000 memory points
  • Temperature (air)
    • -30°C to +70°C (-22°F to +158°F) range
    • 0.1° maximum resolution
    • ±3hPa basic accuracy
  • 110mm x 40mm x 19mm (4.3" x 1.6" x 0.75") in dimension
Published: 2017-09-18 | Updated: 2022-05-31