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(More customer reviews)Do you remember those old mercury-filled indoor/outdoor thermometers that we used to squint at, wondering if the temperature was really correct? Do you remember how the outdoor sensor used to get broken after a few years, usually by a window being lowered too hard on its sensor wire?
That's not a problem with this La Crosse Technology WS-9121U-IT-CBP Wireless Thermometer, a great little unit that displays the time, along with indoor and outdoor temperature, in either °F or °C. It's LCD digital display is clear and easy to read, and is split into three sections, showing the time, indoor temperature and outdoor temperature. The outdoor temperature display is updated about every 16 seconds via a 915 MHz wireless signal, eliminating the need for wires.
The base unit, or receiver, measures 4.66" high, 2.29" wide and 0.69" deep, and has the option of being mounted in its flat base (see the photos) or wall mounted... and they even include the screws and wall anchors. Setup of the receiver is simple, and takes just a couple of minutes once the AAA batteries (not included) are installed in the base unit.
The smaller outdoor sensor (Model TX27U-IT) is a simple rectangular transmitter, measuring 3.5 x 1.5 x 0.53 inches, and it has a small LCD to allow for viewing temperatures while outdoors. It also has a flat base that can be mounted outdoors in a variety of ways, or with the screws and wall anchors. And the sensor does come with a CR2032 battery, which they say will last about a year. The directions say that this can be placed outdoors up to 330 feet away. I tested it at about 250 feet away, and it works just fine.
During the setup I found one strange quirk: if you set the time to 24-hour mode, the temperature indictor switches to °C, and in 12-hour mode, it automatically goes to °F. I personally didn't find this to be a show-stopper, just a mild curiosity. Did a quick accuracy check to see how much difference there was between the base unit and the outdoor sensor, and after awhile gave up, as they seemed to be at most 0.6 °F apart, which is better than I expected. There's a MIN/MAX button on the indoor receiver unit so that you can see the readings for both indoors and outdoors. Pros:
- It's very accurate.
- Just set it up and forget it - it works.
- Excellent instruction book, in English Spanish & French.
Cons:
- It can't predict the weather.Did you want to monitor the temperature in other areas, such as a baby's room, a greenhouse and your back yard, but all at once? This particular La Crosse Technology Wireless Thermometer already comes with a single TX27U-IT 915 MHz sensor, as previously noted, and will accept a total of three 915 MHz sensors - two in addition to the original. This can be a problem if you're not sure what your looking for, as there are dual-channel transmitters that will not work with this unit -- RTFM!
There are a couple available here that will work with the WS-9121U-IT-CBP receiver. The La Crosse Technology TX27U-IT 915 MHz Wireless Temperature Sensor with LCD is the identical unit to the one that comes with this wireless thermometer. The simpler La Crosse Technology TX37U-IT 915 Mhz Wireless Temperature Sensor has no LCD display, but is weather resistant, and excellent for use in outdoor areas where exposure to the elements might be something to consider. The point is that if you want to monitor the temperature in up to three remote areas plus where the base unit sits, you just need to pick the right sensor/transmitter.
Must admit that it was the quality that I had found in the excellent La Crosse Technology BC-900 AlphaPower Battery Charger that heavily influenced my purchase of this product over others on the market, and it has easily lived up to my expectations.
Had tested a few of these wireless thermometers and temperature stations from various manufacturers, and found some to be complete crap. One of the good ones was the La Crosse Technology WS-9013U-CBP Wireless Temperature Station, which offers the date on the LCD panel and its time is updated by radio signal. On the downside its outdoor wireless (433.92MHz) temperature sensor has a maximum range of "up to 80 feet." And be aware that transmission through walls and/or heavy foliage reduces the range on all of these.
If you're looking for a reliable indoor/outdoor thermometer without getting into a full professional weather station, the La Crosse Technology WS-9121U-IT-CBP wireless thermometer is very hard to beat.
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La Crosse Technology WS-9121U-IT-CBP Wireless Thermometer/Clock with Remote Outdoor Temperature SensorGreat for the kitchen windowsill, the fireplace mantel or the mudroom, this wireless thermometer tells you temperatures indoors and out plus time at a glance. The main console receives temperature data from the included remote thermometer installable up to 330 feet away. The device records high and low temperatures to monitor the day's lows and highs. Being able to monitor temperature from a distance of up to 330 feet lets you stay in tune with conditions not only right outside your door, but inside too: in the baby\'s room, the wine cellar, the greenhouse, woodshop, and more—with 16-second updates from the remote sensor. An easy-to-read clock displays in either 12- or 24-hour time modes. The receiver measures 4.66 by 2.29 by .69 inches, with the sensor measuring 3.5 by 1.5 by .53 inches. The receiver is powered by 2 AAA Alkaline batteries and the sensor by 1 CR2032 battery. And, the main display can receive data from up to 4 sensors (3 others sold separately) to monitor conditions in 4 remote areas from one place in the house. The purchase includes one remote sensor and 1 CR 2032 battery.
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