Oregon Scientific THN132N Wireless Temperature Sensor Review

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(More customer reviews)I was prepared to write a bad review for this wireless sensor, but did a little additional troubleshooting before clicking to submit the review.
Yes, I replaced the sensor battery, switched channels, reset the unit and moved the receiver closer to it and it still didn't register on the receiver. Then I decided to check the batteries in the receiver. Not dead, but low. The receiver still showed the inside temperature and the atomic clock was working, but a fresh set of batteries for the receiver did the trick.

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A low-cost sensor with a water-resistant casing and a battery cover that's easy to slip on and off, this Oregon Scientific monitors and transmits accurate temperature data amidst the harshest elements.The unit can be set to one of three different channels without interfering with transmissions from other sensors. A red LED light notifies when data transmission has been sent. Click the product manual link above for weather station compatibility.

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La Crosse Technology TX7U Temperature Sensor Review

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(More customer reviews)I purchased this TX7U sensor as an added measurement zone for a La Crosse/The Weather Channel Weather display that I bought over a year ago to monitor my front and back yards - the system originally used TX4U sensors that read temperature and humidity and relayed the data by UHF telemetry to the base display. Since the TX4U is no longer available, I purchased the TX7U, which is fully compatible. The nice thing about the TX7U is that in addition to sending live data to a base display up to 300 feet away, that it also has a built-in LCD display that shows the actual temperature and relative humidity (no need to go back to the base display to see what is being sent). I use this sensor as my third zone (my base unit displays up to 3 zones) inside my greenhouse, where I overwinter tropical palm specimens that wouldn't survive the rare freezes we see in So. Cal. every 15 to 17 years. Now I can wake up in the middle of a cold night and glance over at the base display and see what the conditions in my greenhouse actually are. I highly recommend this sensor and the LaCrosse product line.

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Monitor outdoor weather conditions from multiple locations of a yard by adding an extra wireless temperature sensor to a household La Crosse Technology weather station. The TX7U thermo-hygro sensor conveys outdoor temperature and humidity readings to a weather station receiver to enable users to plan appropriately for brisk, hot, or muggy weather. Additionally, the sensor benefits from a small LCD screen to display the temperature and relative humidity percentage.
For use with any La Crosse weather stations aside from the Professional Weather Series, or as a replacement for the obsolete TX4U sensor model, the TX7U sensor transmits to the receiver at a 433.92 MHz frequency from a distance of up to 330 feet. The sensor records outdoor relative humidity from 1 to 99 percent, while its outdoor temperature measurement capabilities range from -21.8 to +157.8 degrees F. To ensure the most accurate readings, install the sensor out of direct rain and sunlight. The sensor comes with a mounting bracket and hardware for stand alone or wall mounting. For power the sensor, the separate purchase of two AA batteries is required. A limited one-year warranty covers this item. The sensor measures 1-3/4 inches wide by 1 inch deep by 6-1/5 inches high and weighs 1 pound upon shipping.

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La Crosse Technology TX37U-IT 915MHz Wireless Temperature Sensor Review

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(More customer reviews)The La Crosse Technology TX37U-IT 915 Mhz Wireless Temperature Sensor is a solid weather resistant unit that works as an additional outdoor transmitter for the La Crosse Technology WS-9121U-IT-CBP Wireless Thermometer, which can accept a total of three sensor/transmitters - two in addition to the standard one that come with the wireless thermometer. If you have this particular La Crosse Wireless Thermometer (and other models that function within the 915 MHz wireless range, adding these is an excellent way to monitor the temperature in a back yard, a greenhouse, a garage, a basement or any number of other locations.
The specs note that the TX37U-IT sensor has a range of 330 feet (100 m). I've tested mine at about 250 feet away, and have it mounted outside behind foliage and part of the building about 175 feet away - it works just fine. The 330 feet should be considered as in "open air" with no obstructions and that radio waves like this don't curve around objects. The actual transmission range depends on how many obstructions (walls, floors, the roof, ceilings, outdoor foliage, etc.) are in the way, and could cut the signal range in half.
Please also note that this is NOT a dual channel model with a humidity, rainfall, wind speed, hurricanes, tornadoes, snow, hail or any other function combined. It senses temperature, and that's it, and should only be used with other La Crosse 915 MHz weather instruments. If in doubt, check the La Crosse site on the 'Net for more info, or call their customer support people.
The La Crosse Technology TX27U-IT 915 MHz Wireless Temperature Sensor with LCD is another model that that is similar in function, and it has an LCD panel. It's the same Model TX27U-IT that comes standard with that unit, and is an excellent solution for keeping an eye on the temperature in such places as a baby's bedroom.
In any case, this is an excellent solution if you want to expand the capability of the wireless thermometer mentioned above... and remember, no more than a total of three remote sensor/transmitters can be used with this unit!

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Monitor outdoor weather conditions from multiple locations of a yard by adding an extra wireless temperature sensor to a household La Crosse Technology weather system. The TX37U-IT wireless sensor transmits outdoor temperature readings to a base unit to enable users to plan appropriately for brisk or hot weather. With any La Crosse 915 MHz weather receivers, the sensor communicates from a distance of up to 330 feet. Outdoor temperature measurement capabilities range from –31.9 to +139 degrees F. To ensure the most accurate readings, install the sensor out of direct rain and sunlight. This sensor also can be employed for indoor temperature monitoring. For power, the sensor requires the separate purchase of two AA batteries. A limited one-year warranty covers this item. The sensor measures 1-1/2 inches wide by 4/5 inches deep by 5 inches high.

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La Crosse Technology TX29U-IT 915 MHz Wireless Temperature Sensor Review

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(More customer reviews)First off, heed the warnings from the manufacturer: don't put these in locations where they can get heavily rained on, and don't put them in direct sunlight.
I purchased this sensor as an add-on to a LaCrosse Weather Station so I can monitor an additional location. I've had it for a number of months now. This sensor is located in the backyard, attached to a deck underneath an overhang so it doesn't get too wet.
I live in a part of the country where the winters are long and harsh. We've had temperatures below freezing for almost two months straight now, with a low of -15F so far this season, and this sensor is still working. If it makes it through May (the end of our winter) I'll be surprised. I'll post an update if I have any problems!
UPDATE: Sept 28, 2009 (9 months after original review above): This sensor lasted all winter and summer, despite having snow accumulate on the top during the winter and lows of -15F and winds of 80mph... amazing. Keeping my fingers crossed that I'll have as good of luck this winter too!
UPDATE 2: April 24, 2010 (16 months after original review): Sensor still going strong, and still using the original battery! Made it through another long and harsh winter. For the price and considering the weather this sensor has endured, it is an AMAZING value. If I wish to replace the indoor weather station in the future, I will definitely look for one that is compatible with these sensors.
UPDATE 3: November 17, 2010 (23 months after original review): I almost feel ridiculous coming back here to update on this product again, but this thing is still working. I just don't understand it! I noticed that the top sometimes has snow on top of it (yes, we just got 20" over the past week), so it isn't as well-protected from the elements as I originally thought... yet it is still working and still accurate! I can't believe that I am gushing over a $15 temperature sensor LOL
UPDATE 4: January 28, 2010 (25 months after original review): Well, the batteries in one sensor finally died last month. I replaced the batteries (old and new ones are Duracell Ultras) in both sensors and everything is working great again. On a side note: we had temperatures of -20F over New Year's weekend with wind chills of -51F (its ridiculous and true). Guess what? Outdoor sensor worked fine and was within 1-2 degrees of actual temperatures registered by others in the area using their much more expensive equipment. :)

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A wireless way to gauge and transmit temperatures indoors or out, this sensor from La Crosse Technology works seamlessly with a range of La Crosse weather stations and clocks. Trim and weather-resistant, the piece continuously monitors changes in temperature and communicates them via a powerful 915 MHz transmission. Easy to set up, the unit works great for making sure temperature is the right level in greenhouses, workshops, and other outbuildings, or for checking temp info for a second outdoor spot like a garden. Measuring approximately 5 by 1 by 1-1/2 inches, the unit comes with a stand and takes two AA batteries, not included.

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