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Traceable 4155 RH/Temperature Monitoring Hygrometer, 5 to 95% RH, 32 to 140°F

Model: 4155 | Order No: 4155/B

This hygrometer measures both humidity and temperature. A memory feature, flip-open stand and alarm alerts make it well-suited for a variety of critical applications.

Your Price $63.25 USD
Availability 2 to 3 Weeks

Add In-House Traceable Calibration to your 4155

Traceable 4155 Offers

Taking lab measurements is faster and more convenient with the Traceable 4155 RH/Temperature Monitoring Hygrometer. You can set the accepted range, and the hygrometer will sound an alarm should the reading go beyond those parameters, making it ideal for everything from routine measurements to critical experiments. The device is designed for easy viewing, even from a distance, and can be set up on the lab bench or mounted to a wall for more permanent monitoring.


  • Features an internal ambient sensor that can accurately measure temperature and humidity
  • Display shows 3 sets of numbers: minimum, maximum and current temperature or humidity
  • Digits can be seen as far away as 10' (3 m)
  • Memory feature comes in handy for overnight and extended monitoring
  • Alarm alerts you every time the reading gets higher or lower than the set parameters
  • Housed in a rugged, chemical-resistant ABS plastic case for durability
  • Flip-open stand keeps it steady on a lab bench
  • Built-in slot for optional wall mounting
  • Battery provides up to 1 year of continuous monitoring
  • Traceable® Certificate ensures greater accuracy
  • Applications Routine Measurements, Round-The-Clock Monitoring, Quality Control, Experimental Applications

Traceable 4155 Specifications

Humidity Range5 to 95% RH
Humidity Resolution0.1% RH
Humidity Accuracy±3% from 25 to 75%, ±5% otherwise
Temperature Range32 to 140°F (0 to 60°C)
Temperature Resolution0.1°
Temperature Accuracy±0.5°C
Digit Size0.5" (1.27 cm)
Cable Length7' (2.13 m)
Product Length4.25" (10.8 cm)
Product Width0.75" (1.9 cm)
Product Height2.75" (6.98 cm)
Product Weight4 oz (113.4 g)
Click here for complete specifications on the Traceable 4155

What's included with the Traceable 4155

  • Hygrometer
  • Traceable® Certificate
  • 1 x AAA battery
Waring Laboratory Equipment Supplies

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Customer Reviews for the Traceable 4155