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Temperature and Humidity Data Loggers

Triplett temperature and humidity data loggers provide reliable, accurate, and portable monitoring for laboratories, warehouses, greenhouses, and industrial environments. These instruments continuously record temperature and relative humidity, offering professional-grade precision for quality control, regulatory compliance, and environmental monitoring. Whether you need a USB temperature and humidity logger for easy data transfer or a portable data logger for field applications, Triplett offers models designed to meet a wide range of monitoring requirements.

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  • Original price $274.99 - Original price $274.99
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    USB Sound Datalogger - (SLDL20)

    Triplett
    In stock

    The Triplett SLDL20 USB Sound Level Datalogger can be used to test and verify sound levels for worker safety (OSHA), community noise ordinances, ni...

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    Original price $274.99 - Original price $274.99
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    Original price $340.99 - Original price $516.99
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    Light Meter/Datalogger - (LT68)

    Triplett Test Equipment & Tools
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    The Triplett Model LT68 Light Meter/Datalogger measures light intensity (up to 40k Foot candles/400k Lux) and verify OSHA safety requirements from ...

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    Original price $340.99 - Original price $516.99
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    DC Voltage USB Datalogger - (VDL48)

    Triplett Test Equipment & Tools
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    The Triplett Model ACDL100 True RMS AC Voltage/Current Datalogger can datalog up to 100,000 measurements and provides single channel recording of T...

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    Original price $406.99 - Original price $406.99
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    Dual Input True RMS AC Voltage/Current Datalogger (ACDL200)

    Triplett Test Equipment & Tools
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    The Triplett Model ACDL200 Dual Input True RMS AC Voltage(600V) /Current (200A) Datalogger can datalog up to 131,000 measurements (dual input) or 2...

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    Original price $406.99 - Original price $406.99
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    Original price $549.99 - Original price $900.99
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    Sound Datalogger Kit with Calibrator - (SLM600-KIT)

    Triplett
    In stock

    The Triplett SLM600-KIT Sound Level Meter/Datalogger with Calibrator Kit can be used to test and verify sound levels for worker safety (OSHA), comm...

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    Original price $549.99 - Original price $900.99
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    Original price $241.99 - Original price $483.99
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    3-Axis Vibration Datalogger - (VBDL100)

    Triplett
    Low stock

    The Triplett Model VBDL100 Vibration Datalogger records 1-, 2-, or 3-axis shock (±18g range) and vibration (acceleration) data on stationary or tra...

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    Original price $241.99 - Original price $483.99
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    Temperature & Humidity USB-PDF Datalogger - Records 24,000 Readings, 6 Languages , Download Data in PDF, Graph or Excel - (RHDL30)

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    In stock

    The Triplett RHDL30 USB PDF Datalogger records 24,000 readings each for Temperature and Humidity. You can download data in PDF format with a graph ...

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    Original price $131.99 - Original price $258.49
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    Temperature, Humidity, & Barometric Pressure USB-PDF Datalogger - Records 16,000 Readings, 6 Languages , Download Data in PDF, Graph or Excel - (RHDL40)

    Triplett
    In stock

    The Triplett RHDL40 USB PDF Datalogger records 16,000 readings each for Temperature, Humidity and Barometric Pressure. You can download data in PDF...

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    Original price $153.99 - Original price $280.49
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    4 to 20mA DC Current USB Datalogger (ADL20)

    Triplett Test Equipment & Tools
    In stock

    The Triplett Model ACDL100 True RMS AC Voltage/Current Datalogger can datalog up to 100,000 measurements and provides single channel recording of T...

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    Original price $120.99 - Original price $120.99
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  • Original price $279.99 - Original price $428.99
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    Heat Stress Index/ WBGT Datalogger - (HSDL300)

    Triplett Test Equipment & Tools
    In stock

    The Triplett Model HSDL300 Heat Stress WBGT (Wet Bulb Globe Temperature) Meter monitors indoor/outdoor heat stress to help limit the danger of heat...

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    Original price $279.99 - Original price $428.99
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    Temperature and Humidity Datalogger with LCD, USB - (RHDL50)

    Triplett
    In stock

    The Triplett Model RHDL50 USB Temperature and Humidity Datalogger can record up to 16,000 readings each for Temperature and Humidity in virtually a...

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    Original price $142.99 - Original price $269.49
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    Original price $791.99 - Original price $791.99
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    Carbon Monoxide/Carbon Dioxide IAQ Datalogger Meter - (GSM450)

    Triplett Test Equipment & Tools
    In stock

    The Triplett Model GSM450 Carbon Monoxide/Carbon Dioxide IAQ DatMeter measures CO, CO2, Temperature, Humidity, Wet Bulb and Dew Point and can be us...

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    Original price $791.99 - Original price $791.99
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    Original price $329.99 - Original price $329.99
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    True RMS AC Voltage/Current Datalogger (ACDL100)

    Triplett Test Equipment & Tools
    In stock

    The Triplett Model ACDL100 True RMS AC Voltage/Current Datalogger can datalog up to 100,000 measurements and provides single channel recording of T...

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    Original price $329.99 - Original price $329.99
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    Original price $340.99 - Original price $340.99
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    4 Channel Type K Thermocouple Datalogger (SD) - (TMDL400)

    Triplett
    In stock

    The Triplett Model TMDL400 4-Channel Type K Thermocouple Datalogger is a precision instrument for comprehensive temperature monitoring.. Read More ...

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    Original price $340.99 - Original price $340.99
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  • Original price $186.99 - Original price $313.49
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    Humidity and Temperature Datalogger - (RHDL60)

    Triplett
    In stock

    The Triplett RHDL60 Temperature and Humidity Datalogger can record up to 16,000 readings each for Temperature and Humidity in virtually any indoor ...

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    Original price $186.99 - Original price $313.49
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    Original price $449.99 - Original price $449.99
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    Environmental Sound/Temperature/Humidity Datalogger - (EMDL700)

    Triplett Test Equipment & Tools
    In stock

    The Triplett EMDL700 Temperature/Humidity/Sound Datalogger records up to 20,000 data points. The 7" high-resolution touch screen color LCD display ...

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    Original price $449.99 - Original price $449.99
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    Original price $748.99 - Original price $893.44
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    Noise Dosimeter/Sound Datalogger (SLM850)

    Triplett
    In stock

    The Triplett Model SLM850 Dosimeter measures total noise exposure (%dose) in the work place over an 8 hour period. Fast and easy on-site surveys he...

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    Original price $748.99 - Original price $893.44
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    Single-Use USB Dry Ice Temperature Datalogger (-112°F/-80°C)- (TMDL20)

    Triplett
    In stock

    The Triplett Model TMDL20 Single Use USB Dry Ice(-112°F/-80°C) Datalogger is a specialized instrument designed for monitoring temperature under str...

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    Original price $120.99 - Original price $120.99
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    Original price $449.99
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    OPEN BOX - Environmental Sound/Temperature/Humidity Datalogger - (EMDL700-OB)

    Triplett Test Equipment & Tools
    In stock

    The Triplett EMDL700 Temperature/Humidity/Sound Datalogger records up to 20,000 data points. The 7" high-resolution touch screen color LCD display ...

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    Original price $449.99
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  • Original price $142.99
    Original price $142.99 - Original price $142.99
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    OPEN BOX - Temperature and Humidity Datalogger with LCD, USB - (RHDL50-OB)

    Triplett
    Low stock

    The Triplett Model RHDL50 USB Temperature and Humidity Datalogger can record up to 16,000 readings each for Temperature and Humidity in virtually a...

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    Original price $142.99
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    Original price $369.99 - Original price $519.99
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    4 Channel Thermocouple Datalogger plus IR Thermometer - (TMP74)

    Triplett
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    Original price $369.99 - Original price $519.99
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  • Original price $296.99 - Original price $445.49
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    Humidity/Temperature/Dew Point SD Datalogger- (RHDL95)

    Triplett
    In stock

    The Triplett RHDL60 Temperature and Humidity Datalogger can record up to 16,000 readings each for Temperature and Humidity in virtually any indoor ...

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    Original price $296.99 - Original price $445.49
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What Is a Temperature and Humidity Data Logger?

A temperature and humidity data logger is a compact, self-contained device that records temperature and humidity measurements at defined intervals. Unlike traditional thermometers or hygrometers, these loggers provide continuous, automated monitoring, storing thousands of readings for analysis. Many models, such as the USB temperature and humidity logger, allow data to be easily downloaded to a computer for trend analysis, reporting, and compliance verification.

Triplett loggers are designed for both laboratory and field use, offering accurate readings in a variety of environmental conditions. These portable data loggers enable professionals to monitor critical areas without constant manual checks, ensuring consistent product quality and environmental control.

Triplett temperature and humidity data loggers Key Features and Benefits

Triplett temperature and humidity data loggers combine precision, durability, and usability. Key features include:

  • High-accuracy sensors: Ensure precise temperature and humidity readings for laboratory, storage, and industrial applications.
  • USB connectivity: Enables easy data download from a USB temperature and humidity logger.
  • Portable design: Compact, lightweight, and durable, ideal for fieldwork and on-site monitoring.
  • Large memory capacity: Stores thousands of readings, allowing long-term monitoring without frequent data transfers.
  • Automatic logging: Set sampling intervals from seconds to hours, capturing environmental trends accurately.
  • Advanced functionality: Select models monitor additional parameters, including dew point, barometric pressure, or sound levels.
  • User-friendly interface: LCD or touchscreen displays for easy reading, with high/low alarms for immediate alerts.

These features ensure that Triplett loggers deliver consistent, reliable data for professional use.

How USB Temperature and Humidity Loggers Work

A USB temperature and humidity logger operates by continuously recording environmental conditions at pre-set intervals. Measurements are stored in internal memory and can be downloaded via USB for analysis. This automated approach reduces human error, provides clear trend visualization, and supports compliance with quality standards.

Professionals can use these loggers to monitor critical environments such as cold storage, laboratories, greenhouses, or industrial facilities. The USB connection allows quick access to data for reports, graphs, and historical records, making monitoring efficient and reliable.

Applications of Temperature and Humidity Data Loggers

Triplett temperature and humidity data loggers are suitable for a wide range of industries and applications:

  • Laboratories: Maintain stable conditions for experiments, sensitive materials, and quality testing.
  • Warehouses & Cold Storage: Ensure perishable products, pharmaceuticals, and chemicals remain within safe temperature and humidity ranges.
  • Greenhouses & Agriculture: Monitor environmental conditions to optimize plant growth, crop quality, and harvest timing.
  • Food & Beverage Industry: Maintain consistent product quality during storage, transport, and production.
  • Industrial & Manufacturing Facilities: Protect equipment, materials, and products from environmental fluctuations.

Using a portable data logger allows for spot-checks in the field or continuous monitoring in critical locations.

Why Choose Triplett Temperature and Humidity Loggers?

Triplett is a trusted name in professional-grade measurement instruments. Their temperature and humidity data loggers offer:

  • Reliability: Accurate readings with minimal drift over time.
  • Durability: Designed for demanding environments, including field use and industrial facilities.
  • Ease of Use: Simple setup, intuitive displays, and USB temperature and humidity logger connectivity for easy data management.
  • Versatility: Models are available for standard temperature/humidity logging, dew point, barometric pressure, or sound monitoring.
  • Compliance Support: Some models include NIST-traceable calibration for regulated environments.

Triplett loggers provide peace of mind, ensuring that critical products, materials, and environments are monitored and maintained under optimal conditions.

Tips for Using Temperature and Humidity Loggers

  • Placement: Avoid direct sunlight, airflow vents, or heat sources for accurate readings.
  • Calibration: Periodically calibrate your logger to maintain precision.
  • Sampling intervals: Set appropriate intervals based on the environment and monitoring requirements.
  • Data management: Regularly download readings using the USB temperature and humidity logger or store on an SD card for long-term tracking.
  • Maintenance: Keep sensors clean and monitor battery levels to ensure continuous operation.

Proper use of these loggers ensures reliable data, supporting quality control, compliance, and environmental management.

Choosing the Right Data Logger

Triplett offers multiple Data Logger models to meet specific needs:

  • RHDL30: Advanced USB temperature and humidity logger with PDF/Excel output, perfect for labs or storage monitoring that requires immediate reporting.
  • RHDL40: Measures temperature, humidity, and barometric pressure; includes USB connectivity for easy data analysis and trend tracking.
  • RHDL50: Standard USB temperature and humidity logger with large memory, ideal for laboratories, cold storage, and general environmental monitoring.
  • RHDL60: Similar to RHDL50, designed for reliable USB-based data logging with high accuracy and easy data download.
  • RHDL95: Monitors temperature, humidity, and dew point; features SD card storage for long-term environmental monitoring and field use.
  • EMDL700: Multifunctional logger that records sound, temperature, and humidity; equipped with a touchscreen display for easy visualization and analysis.

Selecting the right Triplett data logger depends on your application, environment, and monitoring requirements.

A temperature and humidity data logger is essential for professionals who need accurate, reliable, and continuous environmental monitoring. Triplett’s loggers, including USB temperature and humidity loggers and portable data loggers, provide precision, ease of use, and durability across laboratories, warehouses, greenhouses, and industrial facilities.

With a variety of models to suit every application, Triplett ensures you can monitor critical conditions confidently, maintain compliance, and protect sensitive products and materials. Investing in a Triplett temperature and humidity logger guarantees consistent data, streamlined monitoring, and professional-grade performance.


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