Extech RHT30 USB Humidity/Temperature Datalogger

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The Extech RHT30 USB Humidity/Temperature Datalogger is an easy-to-use datalogger that records Humidity and Temperature with Date/Time Stamp.

The Extech RHT30 is designed with a rugged housing and a standard USB connector where stored readings (up to 48,000 data) are conveniently transferred to a PC in PDF or Excel® spreadsheet format when plugged in.

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, and temperature reading status.

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pdf_sml    Extech RHT30 Datasheet

pdf_sml    Extech RHT30 User Manual

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    Extech RHT30 USB Humidity/Temperature Datalogger

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    The Extech RHT30 USB Humidity/Temperature Datalogger is similar in size to  a large key fob, and is designed for everyday use in troubleshooting HVAC/R and indoor air quality (IAQ) issues related to temperature, humidity and barometric pressure.

    HVAC/R technicians, commercial facilities managers, IAQ professionals and workplace health managers alike can use the RHT30 to monitor a location for an extended period of time in response to occupant complaints or as part of standard predictive maintenance.

    Users can “set and forget” the dataloggers with a customizable recording rate from once every 30 seconds to once every 2 hours and a capacity of up to 48,000 combined, total readings with date and time stamps. For multi-site logging, readings can be associated with up to 8 locations. Technicians and occupants can quickly check current readings on the large, high visibility LCD. The MAX/MIN button allows quick access to the highest and lowest readings recorded. High and low thresholds can also be configured to trigger a red flashing LED alarm indicator. When reporting is required, the dataloggers can be connected to a PC or laptop to easily output readings in a Microsoft Excel or Adobe PDF format.

    Extech RHT30 USB Humidity/Temperature Datalogger Features:

    • Compact size housing with built-in NTC thermistor and capacitive humidity 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 (24,000 for each parameter: Humidity/Temperature), 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

    Extech RHT30 Specifications:

    Specifications Range Max Resolution Basic Accuracy
    Humidity 0.1 to 99.9%RH 0.1%RH ±3%RH
    Temperature (Air) -30 to 70°C 0.1° ±0.5°C
    Datalogging interval 30 seconds to 2 hours
    Memory Temperature: 24,000 points; Relative Humidity: 24,000 points
    Dimensions/Weight 110 x 40 x 19mm / 90g

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