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Traceable 4189 Hygrometer/Thermometer with RS-232 Output

Model: 4189 | Order No: 4189/A

This meter functions as both a hygrometer and a thermometer. It can also identify dew point.

Your Price $298.00 USD
Availability 2 to 3 Weeks

Add In-House Traceable Calibration to your 4189

Traceable 4189 Offers

Whether you're trying to find out humidity, temperature, dew point or all 3, the Traceable 4189 Hygrometer/Thermometer with RS-232 Output can help. With every measurement you capture, the data logger will keep it saved so you can look back on it later. Since it comes with an RS-232 output, this device is computer-ready.


  • Measures humidity, temperature and dew point
  • Data logger stores your readings for later reference
  • RS-232 output gives you the option to download data to a PC
  • Provides accurate readings thanks to the included NIST-traceable calibration

Traceable 4189 Specifications

RH Range 10.0 to 95.0% RH
RH Resolution 0.01% RH
RH Accuracy ±3% RH
Probe Temperature Range 32 to 122°F (0 to 50°C)
Temperature Resolution 0.01°
Temperature Accuracy ±1°C
# of Probes 1 External Humidity/Temperature probe
Export Data (output method) 4136
LCD Digit Size ½"
Dimensions 7 x 2¾ x 1-1/8"
Weight 9.5 oz

What's included with the Traceable 4189

  • Thermometer
  • Traceable® Certificate
  • Computer Output
  • 40" cable
  • Probe
  • Carrying Case
  • Battery
Waring Laboratory Equipment Supplies

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Customer Reviews for the Traceable 4189