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I just bought 2 of these 00325W units . Neither would display an odd fahrenheit temperature reading. For example, while the device would display 66,68,70,72 degrees it would not display 67,69,71,73 degrees. It just moves in 2 degree increments. I contacted the manufacturer twice. The first time by phone they said the device was defective. The second time by email they indicated that the device was made to measure centigrade degrees, and that its software was the problem in not displaying the odd digits in fahrenheit. I've owned both cheap and expensive measuring devices previously, but even the cheapest could display all the fahrenheit digits, which this unit cannot.
Unlike the temperature readings, the humidity readings do display all digits.
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This 'Home Comfort Monitor' was exactly what I was looking for when I recently purchased my new Honeywell HCM-6009 QuietCare 9-Gallon Output Console Humidifier with Air Washing Technology. My initial objective was to establish a baseline humidity level prior to running the humidifier. the Acu-Rite did a great job. It had sat on my (cold) porch for a few hours prior to being unpacked. It took about 2 hours for the temperature and humidity readings to settle down. Once they did, it provided a steady reading.
With batteries installed, the devices weights in at just under 4oz. It is about 3.5" tall at the highest point (the top of the device slants towards the front). The device is just under 3" wide, and is roughly 1.5" thick. It certainly isn't large, but is slightly bigger than I had imagined from the pictures. The Acu-Rite has a fairly strong magnet on the back of the battery door. The magnet is strong enough to easily hold the devices own weight on my refrigerator. I found the magnet to be pretty useful when obtaining humidity level readings from various locations in my home.
The unit's 2.5" diagonal screen is split into two functional areas: INDOOR HUMIDITY and TEMPERATURE. Humidity is on the top, and displays the current humidity reading, the trend (displayed as an arrow heading up or down) and the hi/lo for the last 24 hours. The hi/lo reset seems to be tied to the time the batteries are inserted. Meaning, if you initially powered up the device at 7:23 PM, it will reset each night at 7:23 PM. The humidity section also includes a house icon that indicates status of the humidity level on a three tier scale (High, OK, Low).
The unit's temperature section has a similar but slightly simpler layout. The current temp in numbers just over 1/2in in height on the left. A small trend arrow just to the right of the current temp. The hi/lo for the last 24hr period (as described in the humidity section).
I can't imagine expecting much more from a small/inexpensive temperature and humidity monitor. A safe bet.
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I purchased this to monitor the temperature and humidity in the basement, and it seems accurate. The readout is clear and easy to read. The only drawback is that you can't mount it to a wall as it's slightly curved on the back, which isn't apparent from the photograph.
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Since it's nearing around winter time I bought this locally so I'd have a way to monitor the humidity of my computer room.
There isn't much to it in that it simply displays the current humidity, current temperature, whether or not the humidity level is OK an the recorded high and low temperatures. The casing is nice and has a magnet on the battery cover.
As for the high and low memory...It's not stated in the manual so I browsed Acurite's forums (which I'd give a huge plus in that each product has its own little forum) for an answer. Apparently it resets every day at the time when the battery is installed. Can't complain although then again mine is set to roughly 2PM.
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I purchased a thermometer for the simple purpose of wanting to know the temperature. I took the unit out of the box and inserted a battery. It told me that my office temperature was 77f. I didn't believe it, as it felt much colder. I then took it outside where it was known to be 46f, however the unit continued to read 77f! Later in my office, the readout fluctuated between 73 and 75 f, both completely inaccurate numbers.
