Oregon Scientific THT312 Indoor/Outdoor Thermometer Clock with Wired Probe
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- Wired digital indoor and outdoor thermometer and clock from Oregon Scientific
- Easy-to-read LCD display with blue LED backlight; with Celsius or Fahrenheit readings and 12- or 24-hour time for convenience
- Weather-resistant 10-foot cable with probe runs outside to monitor temperature; alarm feature with 8-minute snooze
- Requires separate purchase of 2 AA batteries; wall mount or stand alone
- Measures 2-1/2 inches wide by 3/4 inches deep by 4-1/2 inches high; limited 1-year guarantee
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Top Customer Reviews
1- Used it on my RV. Probe was outside from freezing to desert for 6000 miles.
2- Took it up to Alaska and back, 15,000 miles.
3- Used it to determine the temp. of my developing solution (very caustic chemicals).
4- Now it's being pecked by chickens in my brooder.
I seem to never replace batteries in this. I can only remember doing it twice in 6 years.
Buy this product. Have no worries. It truly is a 5-star product.
2012 Update: Still works in my classroom. I think, after the nuclear armageddon, it will be the only piece of tech surviving.
The LCD display is large enough so that it can be easily read from about 15' away. It has a backlight that you can turn on with the push of a button, which is conveniently located in front of the unit. The LCD screen has three lines for:
2) Indoor Temperature
3) Outdoor Temperature
The unit has a 10' long probe for monitoring outdoor temperature (or the temperature of the location where you chose to place the probe).
- Maximum / Minimum Temperature
The readings don't show the max/min temperature for the day. It only shows the max/min temperature *since these readings have been last reset*.
The Maximum / Minimum Temperature reading can be accessed with the right-most button on the front of the unit.
> When the button is pressed, lines (2) and (3) display the Maximum Indoor Temperature and Maximum Outdoor Temperature, respectively.
> Press the button a second time to access the Minimum Indoor Temperature and Minimum Outdoor Temperature.
> Press the button a third time to revert the display for lines (2) and (3) to the Indoor Temperature and Outdoor Temperature, respectively.
> Press and Hold the button to reset both the Maximum and the Minimum Temperatures.
The alarm is a little soft and chimes for just a minute. The time of the alarm can be accessed with the left-most button.
The backlight is bright and makes the LCD display easy to read in the dark or in dim lighting. The backlight can be accessed with the button in the middle.Read more ›
Indoor temp: 23 to 122 F / -5 to 50 C
Outdoor temp: -58 to 158 F / -50 to 70 C
10 Foot Cable for outdoor sensor
Temperature resolution: 0.2 F
Sampling cycle: 10 seconds
Power: 2 AAA batteries
+/- 2F for 32 to 104 F
+/- 4F for -8 to 122 F
+/- 6F for -58 to 158 F
Weight (excluding batteries): 3.17 oz / 90 grams
The unit is also a clock / alarm, but I us it more for a thermometer. The buttons on the front change the mode (alarm/clock), backlit, and min/max temp. The unit beeps each time a button is pressed.
I tested the unit with the external sensor indoors, located right next to the display. I read 69.6 degrees as the indoor, and 70.3 as outdoors. I compared this to my meat thermometer (which hopefully is fairly accurate, but for $10, who knows), which showed 70.0. I think this is fairly accurate, and it's within the 2F accuracy range. It's also pretty comparable to the range I found on the LaCrosse unit I also have.
The LCD display is a bit light, and can be hard to read from some angles and lighting, but this is a common problem across many LCD displays I've seen. It's easiest to read when it's slightly below eye level.
The LED backlight consists of two diodes on the left side of the unit (NOT a full panel backlight like in the photo). Reading the unit at night can be difficult, and the viewing angle is even more shallow.
The unit can be desk mounted or hung on a wall. The back of the unit has a stand, mounting hole, and several buttons to adjust the clock / alarm / settings.
Most Recent Customer Reviews
It was okay until the battery died but to complicated for me to firgure out how to change or replace battery.Published 1 month ago by Gabby Cat
So far so good! I have had this installed for a couple years now and It seems to work very well.Published 3 months ago by A. Schwieger
We love this, you can view the temperature outside anytime without going out in the weather, also it tells the temperature inside your home.Published 7 months ago by mary watkins
I love having it on the kitchen window sill where I can easily check the temperature in the morning.Published 15 months ago by Mistymfn