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Extech 445815 Hygro-Thermometer Humidity Alert with Dew Point Programmable Alarm warns of High Humidity Conditions

Extech 445815 Hygro-Thermometer Humidity Alert with Dew Point Programmable Alarm warns of High Humidity Conditions

Q: Is two degrees hotter normal for this thermometer. The humidity is good but checkiing normal for the product.

Not normal. Accurate to within a half-degree when calibrated.

Q: How do we select either of the 2 Certificate of Traceablitity options? Or is this already in the box?

The product does not come with a certificate & it's a hassle to obtain. The Extech website notes the following:Is my meter calibrated out of the box? How often should it be calibrated? Does it come with a calibration certificate? How & where can I get my meter calibrated?All Extech products are factory calibrated prior to shipment. This calibration is valid for one year. An annual factory calibration is recommended. Extech does not include calibration certificates with our products. NIST calibrations with data can be purchased for an additional charge for most products. To send your meter to be NIST calibrated please contact our return department for a return authorization number and other return information.

Q: Can it display the temperature in Celsius unit?

Yes! Good question, and I did not know, so I dug out my instructions. I am now looking at those and my unit and there is a switch in the battery compartment below the battery for degrees F and degrees C. Using this, I have 78.6 F showing as 25.9 C. BTW, I'm actually considering getting another one for my car and work. It will need some protection, like a plastic sandwich box with some paper towel padding, but that will do it for me. Hope you enjoy yours as much as I like mine.

Q: May i know does this item come together with a calibration certificate?

The calibration certificate is not included; it can be ordered together with 17030-28 calibration.

Product ID: 2166671

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Details

Color
White
Brand
Extech
Product Dimensions
0.78"W x 4.3"H
Item Weight
0.19 Kilograms
Battery Description
Alkaline

📏18" remote probe for hidden spots

🔔Programmable audible & visual alarm

🌡️Triple display: humidity, temp, dew point

Frequently Bought Together

Extech Digit Thermometer

Extech 445580 Humidity and Temperature Pen Sized Meter with Pocket Clip

Description

🌬️ Don’t just measure—master your air quality with Extech’s smart humidity alert!

REMOTE PROBE ACCESS - Measure hard-to-reach areas behind walls with an 18-inch extendable probe.
MAX MIN DATA STORAGE - Track environmental extremes effortlessly to optimize your space.
PRECISION TRIPLE DISPLAY - Simultaneously monitor humidity, temperature, and dew point with crystal-clear readings.
STAY AHEAD OF MOLD RISKS - Instant alerts keep your environment safe and dry.
FLEXIBLE PLACEMENT OPTIONS - Use the built-in stand or wall mount bracket to fit your workspace perfectly.

The Extech 445815 Hygro-Thermometer combines a large triple display of relative humidity, temperature, and dew point with a programmable audible and visual alarm to warn of high or low humidity conditions. Featuring an 18-inch remote probe for hidden measurements, it offers flexible mounting options and stores max/min readings, making it ideal for professionals managing indoor air quality and preventing mold in sensitive environments.

Specifications

Color	White
Brand	Extech Instruments
Product Dimensions	0.78"W x 4.3"H
Item Weight	0.19 Kilograms
Battery Description	Alkaline
Lower Temperature Rating	1E+1 Degrees Celsius
Mounting Type	Wall Mount
Operating Humidity	10% to 99%
Upper Temperature Rating	1.4E+2 Degrees Fahrenheit
Voltage	1.5 Volts
Temperature Accuracy	1 degree Celsius
Manufacturer	Extech
UPC	885866191235 793950458150
Global Trade Identification Number	00793950458150, 04016138375534
Part Number	445815
Item Weight	6.7 ounces
Item model number	445815
Batteries	1 AAA batteries required. (included)
Is Discontinued By Manufacturer	No
Size	Humidity
Style	With Alarm
Shape	Rectangular
Power Source	Battery Powered
Item Package Quantity	1
Number Of Pieces	1
Included Components	Built-in Stand, Wall Mount Bracket, 1 AAA battery
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Description Pile	Alkaline
Warranty Description	1 Year Parts and Labor

Have a Question? See What Others Asked

Is two degrees hotter normal for this thermometer. The humidity is good but checkiing normal for the product.

How do we select either of the 2 Certificate of Traceablitity options? Or is this already in the box?

Can it display the temperature in Celsius unit?

May i know does this item come together with a calibration certificate?

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