Model #RT817E

Large digit display for humidity and temperature
Max/Min memory
Ice point alert
Outdoor temperature display
°C/°F switchable
Foldaway stand
Mounting keyhole

5-up: $29.00

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Perfect for home, office, and factory, our new RT817E displays indoor and outdoor temperature as well as indoor humidity. Each unit ships with an external temperature sensor with 10 feet of cable to measure temperature in a remote location.

Mount your new RT817E on the wall or on the desk with its convenient wall mount or fold-out stand. With large 1 inch digits you'll have no trouble reading the current display.

The RT817E records Min and Max temperatures as well as an ice point alarm for use with the remote probe. Set the alarm to ON and you'll be alerted when the outside temperature drops below 32°F (0°C).

Each unit includes a AAA 1.5V battery, wall bracket, remote sensor, and operating instructions. The RT817E is a professional tool at an affordable price.

Range 20 to 99% RH
Indoor: 32 to 122°F (0 to 50°C)
Outdoor: -58 to 158°F (-50 to 70°C)
Accuracy ±3% RH at 77°F (25°C)
±2°F (1°C)
Resolution 1%; 0.1°
Display Update 10 seconds
Ice Point Alert Outdoor reading 32°F (0°C)
Display 1" digits
3.1 H x 2.6 W inches
(79 H x 66 W mm)
Sensor Wire Length 9.8 feet (3m)
Battery Type AAA, 1.5 volts x 1 piece
Dimensions 4.3 H x 3.9 W x 0.8 D inches
(110 H x 98 W x 21 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.
(Please allow 1-2 weeks for cal lab processing)


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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Gift Wrap

Gift Wrapping

We'll wrap your gift in our custom gift paper, trimmed with a bow and gift tag. The rich, graphite and silver combination is suitable for any occasion or anybody.

Enter a custom message for the handwritten tag (Up to 50 characters). Cost for wrapping is $4.99 per item. Each item wrapped separately. Selectable in the order info where available. Some items can not be wrapped.

Ordering more than one of the same item but don't want them all wrapped? Just add each item you want wrapped to your shopping cart individually and select the wrapping option. Add your custom greeting for each wrapped item separately as you add the item to your cart.

Gift wrap orders are shipped in a plain box without packing slips. We're trying our best to keep the surprise.