Showing posts with label 2009 amazon frustration-fre e packaging. Show all posts
Showing posts with label 2009 amazon frustration-fre e packaging. Show all posts

12/26/2011

Oregon Scientific THT312 Indoor/Outdoor Thermometer Clock with Wired Probe Review

Oregon Scientific THT312 Indoor/Outdoor Thermometer Clock with Wired Probe
Average Reviews:

(More customer reviews)
I can't begin to tell you the abuse I've subjected this product to.
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.

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Keep track of the time, as well as the temperature, with this straightforward thermometer clock. From Oregon Scientific, the thermometer clock allows users to plan outdoor activities appropriately while monitoring the indoor climate for maximum comfort. Additionally, the clock can serve as an alarm for early morning wake-ups and reminders.
The thermometer clock features preinstalled holes for wall mounting, as well as a plastic stand for tabletop placement. In large, easy to read digits, the thermometer clock relates the time and temperatures on its LCD screen, with a blue LED backlight for nighttime viewing. The user sets the time and alarm clock using the hour, minute, and alarm buttons on the backside of the thermometer clock. The user also can select between 12-hour or 24-hour time format and Fahrenheit or Celsius degree temperature display by flipping the provided switches. Three buttons on the front side of the thermometer clock engage the alarm\'s 8-minute snooze function, switches the mode, and enables the user to view and clear the high/low temperature recordings in the memory function. To evaluate outdoor conditions, an attached, weather-resistant 10-foot cable with a sensitive probe extends outside. The probe assesses outdoor temperatures ranging from -58 to 158 degrees F, and relates the data back to the base unit every 10 seconds. Indoor temperature measurement capabilities range from 32 to 122 degrees F. For the best results, keep the probe out of direct sunlight and heavy rain. The separate purchase of two AAA batteries is required. A limited one-year guarantee covers this item. The thermometer clock measures 2-1/2 inches wide by 3/4 inches deep by 4-1/2 inches high.

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6/03/2011

Honeywell TM005X Wireless Indoor/Outdoor Thermo-Hygrometer Review

Honeywell TM005X Wireless Indoor/Outdoor Thermo-Hygrometer
Average Reviews:

(More customer reviews)
I was most interested in the humidity measurement. I conducted a calibration****(See update at end of review) with a sling psychrometer. A sling psychrometer measures wet bulb/dry bulb temperature and is the least expensive (albeit a bit tedious to use) and most accurate way to determine relative humidity (RH).
I needed to know relative humidity for curiosity indoors and for a chamber in my basement used to dry cure sausage (I needed a 70%RH environment). The Honeywell unit was spot on with the sling psychrometer (and temp. was accurate as well).
The unit is new; I need to check it over time for accuracy. However, it's running very well so far and the price is right. I'll be buying more remote sensors [...] I found the remote sensor part no. is TS33C, can find them on Amazon with that search).
The majority of complaints say the humidity is "off." However, I didn't see a single valid calibration conducted.
Update 01-March-2009
I just took the main unit, the sensor and sling psychrometer. The conditions in my home at time of testing were 68F and 30% relative humidity.
Main unit read 68.4F/30% RH
The Sensor: 68.0F/30% RH
Sling Psychrometer: 68F/31% RH
The sling psychrometer consists of two sealed thermometers and will never need a calibration, it is an accurate standard. This Honeywell Unit is pretty darn good.
Update 13-Dec-2009
Someone contacted me and corrected a big point. I did not calibrate the unit by adjusting it to a known standard, I simply compared the values. My apologies for this rather serious error.

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The Honeywell TM005X Wireless Thermo-Hygrometer is an easy-to-read, economical, accurate and most convenient way to track temperature and humidity in and around your home or office.

The Honeywell TM005X is a Wireless Thermo-Hydrometer. Quickest and most accurate way of keeping track of temperature and humidity.

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