RT819 Pocket Temperature/Humidity Pen

Model #RT819

Dual display for humidity and temperature
Max/Min memory
°C/°F switchable
Large digit display
Pen shaped design
Pocket clip
3% accuracy
Handy HVAC tool

Limited Time Special:
Now $25 Normally $35
Expires June 30th.

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For everyday home use or as a professional tool, our new RT819 Temperature/Humidity Pen performs. It measures temperature and humidity with a big digit display in a convenient size.

Slide the RT819 into your pocket for quick temperature and humidity checks around home, in the restaurant, or on the factory floor. Record Min and Max with ease so you'll always know where the ambient conditions have been.

You won't find a thermo-hygrometer in a more convenient package. Buy direct from ThermoWorks and we'll ship your order out the same day.

Temp Range 32 to 122°F (0 to 50°C)
Temp Accuracy ±2°F (±1°C)
Temp Resolution 0.1°
Humidity Range 20 to 95% RH in 59 to 122 °F (15 to 50°C)
25 to 95% RH in 41 to 122 °F (5 to 50°C)
30 to 95% RH in 32 to 122 °F (0 to 50°C)
Humidity Accuracy ±3%
Humidity Resolution 1%
Display Update 6 seconds
Display 0.5 H x 2 W inches (13 H x 52 W mm)
Battery 1.5 volt, type AAA x 1 piece
Dimensions 5.4 H x 0.9 W x 0.8 D inches (138 H x 23 W x 20 D mm)
Cal Cert

NIST-Traceable RH Calibration

Model: CAL-RH1PT

  • 1-Point: 40%
  • Lab calibration using certified RH sources
 1-point RH calibration performed in ThermoWork's NIST-Traceable calibration lab. Includes calibration report and actual test data.

Cal Cert

NIST-Traceable RH Calibration

Model: CAL-RH2PT

  • 2-Points: 30%, 60%
  • Lab calibration using certified RH sources
  • Single ambient temperature
 2-point humidity calibration performed in ThermoWork's NIST-Traceable calibration lab. Includes calibration report and actual test data. Includes a single temp at ambient.

Cal Cert

NIST-Traceable RH Calibration

Model: CAL-RH3PT

  • 3-Points: 20%, 50%, 80%
  • Lab calibration using certified RH sources
 3-point humidity calibration performed in ThermoWork's NIST-Traceable calibration lab. Includes single temperature at ambient, calibration report and actual test data.

Batteries

Duracell Procell AAA Batteries

Model: PC2400

  • AAA battery - 4-pack
  • 7-year freshness guarantee
  • Reliable operation in temperature extremes
  • Contains no added mercury
 Package of 4 Duracell AAA Procell batteries. Manufactured to rigid specifications to meet some of the highest standards of durability and longevity that professional users demand and expect. Delivers outstanding performance with a 7-year freshness guarantee backed up with date coding. Rated for reliable operation in temperature extremes from -4 to 129°F (-20 to 54°C).


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