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Extech RHT35 Humidity/Temperature/Pressure Datalogger

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  • Measures air temperature from -30˚C to 70˚C and humidity from 0.1% to 99.9%
  • Monitor barometric pressure from 300 to 1100hPa with ±3hPa accuracy
  • Saves up to 48,000 readings, exportable in Excel or PDF format

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  • Description

    Extech RHT35 Humidity/Temperature/Pressure Datalogger

    The Extech RHT35/Temperature/Pressure Datalogger is a clever combination of a USB pen, a thermohygrometer and a barometer, thus allowing the user to monitor several different atmospheric variables. It can measure air temperature between -30˚C and 70˚C, humidity between 0.1% and 99.9%, and barometric pressure between 300 and 1100hPa. It has an NTC thermistor, capacitive humidity sensor, and MEMS pressure sensor.

    Readings are shown on the Extech RHT35’s 5-digit display and adjustable alarms are available. Red and green LEDs indicate the datalogger’s status and it is easy to operate the unit thanks to the simple push-button interface.

    The Extech RHT35 has a 48,000-reading internal memory (16,000 each for temperature, humidity and pressure). The user can save up to 8 different locations in a recording log and reports can be exported to a PC in PDF or Excel formats with raw data and trending graphs. There is a choice of up to six different languages and the user can set a sampling rate of between 30s and 2 hours.

    The Extech RHT35 includes an integrated USB stick and has a battery life of roughly three months. It comes supplied with batteries, a USB cover, a wall mounting screw and a built in hanger.

    Extech part number: RHT35

    Key Features

    • Air temperature: -30˚C to 70˚C
    • Humidity: 0.1% to 99.9%
    • Barometric pressure: 300 to 1100hPa
    • 5-digit display
    • High/low alarms and min/max recording
    • Saves up to 48,000 readings
    • 8 different bookmarked locations
    • Exports data in Excel or PDF format
    • Sampling rate of between 30s and two hours
    • Integrated USB stick
    • One-year warranty
  • Specification

    Humidity

    • Range: 0.1 to 99.9%RH
    • Resolution: 0.1%RH
    • Accuracy: ±3%RH

    Temperature (Air)

    • Range: -22 to 158°F (-30 to 70°C)\
    • Resolution: 0.1°C
    • Accuracy: ±1.0°F (±0.5°C)

    Barometric Pressure

    • Range: 300 to 1100 hPa (8.9 to 32.5 inHg)
    • Resolution: 0.1 hPa (0.1 inHg)
    • Accuracy: ±3 hPa
    • Datalogging interval: 30 seconds to 2 hours
    • Memory: Relative Humidity: 16,000 points, Temperature: 16,000 points, Barometric Pressure: 16,000 points
    • Dimensions/Weight: 4.3x1.6x0.75" (110x40x19mm)/ 1oz (90g)
  • Supplied Accessories

    • Extech RHT35 USB Humidity/Temperature Datalogger
    • 2 x CR2032 batteries
    • USB cover/stand
    • Wall mounting screw
    • Built-in hanger
    • Instructions for Extech RHT35
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