Etech RHT35 USB Humidity/Temperature/Barometric Pressure Datalogger View larger

Extech RHT35 USB Humidity/Temperature/Barometric Pressure Datalogger


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Easy-to-use Datalogger Records Humidity, Temperature and Barometric Pressure with Date/Time Stamp

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$197.00 tax excl.

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RHT35 uses a standard USB connection to transfer up to 48,000 readings to a PC with data/time stamp in PDF or spreadsheet format. Additional features include an 8-location logger bookmark, 6-language options, programmable sampling interval, adjustable alarm, and password-protected security log-in. Large LCD optimizes viewing and the smart LED provides color-coded humidity, temperature, and barometric pressure reading status.

  • Compact size housing with built-in NTC thermistor, capacitive humidity sensor, and barometric pressure MEMS sensor designed with standard USB connector for easy data downloading to a PC
  • 5-digit LCD display with battery life indicator
  • User programmable settings: 6 languages, sample rate, start delay time, alarm delay time, high/low alarm range, and security feature
  • Status Indication via Red and Green LEDs
  • Start button begins continuous datalogging, which continues until memory is full at 48,000 readings (16K for each parameter), or when 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 2 CR2032 batteries, USB cover (can be used as a stand), wall mounting screw, and built-in hanger

SpecificationsRangeMax ResolutionBasic Accuracy
Humidity0.1 to 99.9% RH0.1% RH±3% RH
Temperature (Air)-22 to 158°F (-30 to 70°C)0.1°±1.0°F (±0.5°C)
Barometric Pressure300 to 1100 hPa (8.9 to 32.5 inHg)0.1 hPa (0.1 inHg)±3 hPa
Datalogging interval30 seconds to 2 hours  
MemoryRelative Humidity: 16,000 points, Temperature: 16,000 points, Barometric Pressure: 16,000 points  
Dimensions/Weight4.3x1.6x0.75" (110x40x19mm)/ 1oz (90g)