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  • Internal sensor
  • Measures in both Fahrenheit and Celsius

Unique unit simultaneously displays time of day, temperature, and humidity. Individually serial-numbered Traceable® Certificates in the areas of time, temperature and humidity are provided from our ISO 17025 calibration laboratory accredited by A2LA. These certificates indicate traceability to standards provided by NIST (National Institute of Standards and Technology).

Clock displays A.M./P.M. or 24-hour military time to the exact minute with 0.01% accuracy. Noting changes is easy with triple display. Internal sensors make it ideal for use in hoods, storerooms, clean rooms, incubators, drying chambers, and environmental cabinets. Place on your desk or lab bench.

Temperature range is 32.0 to 122.0°F and 0.0 to 50.0°C.
Resolution is 0.1°
Accuracy is ±1°C.
RH Range: 20-90%
RH Accuracy: ±5% RH mid-range; ±8% RH otherwise
RH Resolution: 1%

At the touch of a button, memory recalls highest and lowest temperature and humidity readings. Permits monitoring conditions overnight, on weekends, or any time period. Supplied with Traceable® Certificate, 1-year AAA battery, built-in stand, and wall mount. Size is 4 1/4 x 2 1/4 x 1/2 inches and weight is 2 1/2 ounces.

Please note: The aforementioned A2LA accreditation belongs to the manufacturer, not Thomas Scientific.

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Product Detail
Thomas No.
Also known as: 4040
Thermometer / Clock
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