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list($129.00)
1. Dr. Friedrichs Gruppe 691300 Wireless
list($115.00)
2. Dr. Friedrichs Gruppe 696000 Wireless
list($20.00)
3. Dr.Friedrichs Gruppe 447500 Rain-Gauge

1. Dr. Friedrichs Gruppe 691300 Wireless Thermometer, Plus Clock/Calendar
list price: $129.00
(price subject to change: see help)
Asin: B00005V56L
Catlog: Lawn & Patio
Manufacturer: Torka
Sales Rank: 1322
Average Customer Review: 5 out of 5 stars
US | Canada | United Kingdom | Germany | France | Japan

Amazon.com Review

By combining a main unit that displays the indoor temperature(plus a clock and calendar) and the temperature from a remote, wirelesssensor that can be set up either indoors or outdoors up to 100 feetaway, this battery-operated, radio-wave set monitors conditions at twolocations simultaneously. (The main unit will handle up to threeadditional remote, wireless sensors, though those must be orderedseparately.) The large LCD display has three sections: one showing thetemperature at the remote sensor's location, another showing thetemperature at the main unit's location, and the third showingclock/calendar information. Minimum/maximum temperatures recorded bythe remote sensor for any given period can be recalled, and themeasuring period can be reset at any time. The display can be set foreither Fahrenheit or Celsius.The remote sensor can also be programmed to sound an alarm whentemperatures fall outside or inside programmed parameters (for a baby'sroom or wine cellar) or when the freezing conditions are reached (for agarden or garage). The clock can also be programmed to sound an alarm.The main unit uses two AA batteries and the remote sensor one 9Vbattery (batteries not included), and there are low-battery indicatorsfor each. The main unit has a built-in desktop stand or can be hung bya nail or screw with a wall-mount slot in the back. It measures 3-1/4inches wide, 5-3/4 inches high, and 3/4 inch thick. The remote sensorlies flat or can be wall mounted (mounting tapes included) and measures2-1/8 inches wide, 4 inches high, and 1 inch thick. Because no assemblyis required, the system operates as soon as batteries are installed.--Fred Brack ... Read more

Features

  • Recalls minimum/maximum temperatures; battery operated (batteries not included)
  • Main unit displays indoor temperature (plus clock/calendar) and temperature from
  • remote, wireless sensor up to 100 feet away (indoors or outdoors)
  • Programmable alarm for temperature changes or freezing conditions
  • Main unit can handle up to three additional remote sensors (not included)

Reviews (1)

5-0 out of 5 stars Way to go, Dr. Friedrich!
This is one cool thermometer.

We got this for dad as a gift recently. He's usually not a big fan of things that use batteries, but this is pretty simple to use.

The sensor works up to 100 feet, so its highly functional, too. We tested it out in the freezer tonight (a slow weekend) and it works great.

With cool features like a maximum and minimum daily temperature readout and a freeze alarm, this is a great buy. ... Read more


2. Dr. Friedrichs Gruppe 696000 Wireless Thermometer
list price: $115.00
(price subject to change: see help)
Asin: B00005V56M
Catlog: Lawn & Patio
Manufacturer: Torka
Sales Rank: 1959
Average Customer Review: 1.5 out of 5 stars
US | Canada | United Kingdom | Germany | France | Japan

Amazon.com Review

By combining a main unit that displays the indoor temperatureand the temperature from a remote, wireless sensor that can be set upeither indoors or outdoors up to 100 feet away, this battery-operated,radio-wave set monitors conditions at two locations simultaneously.(The main unit will handle up to two additional remote, wirelesssensors, though those must be ordered separately.) The large LCDdisplay shows the temperature at the main unit's location on the leftand the temperature at the remote sensor's location on the right.Minimum/maximum temperatures recorded for any given period can berecalled, and the measuring period can be reset at any time. Thedisplay can be set for either Fahrenheit or Celsius.The remote sensor also has been preprogrammed to sound an alarm whenthe temperature at its location falls to 38 degrees F--ideal for, say,a garden or garage. The main unit uses two AAA batteries and the remotesensor one 9V battery (batteries not included). The main unit comeswith a desktop stand or can be hung by a nail or screw with awall-mount slot in the back. It measures 5 inches wide, 3 inches high,and 7/8 inch deep. The remote sensor has a built-in desktop stand orcan be wall mounted and measures 2-3/8 inches wide, 3-1/2 inches high,and 1 inch thick. Because no assembly is required, the system operatesas soon as batteries are installed. --Fred Brack ... Read more

Features

  • Recalls minimum/maximum temperatures; battery operated (batteries not included)
  • Main unit displays indoor temperature plus temperature from remote
  • Wireless sensor up to 100 feet away (indoors or outdoors)
  • Automatic ice alarm if temperature at sensor falls to 38 degrees F
  • Main unit can handle up to two additional remote sensors (not included)

Reviews (4)

2-0 out of 5 stars Dr. Friedricks Guppe Wireless Thermometer
I only today received this item so I have no long term experience to report. However, the description refers to the capability to use 3 transmitters but neither the data furnished with my purchase nor anything I have been able to locate gives me enough information to allow me to purchase another transmitter.

2-0 out of 5 stars Infernal Beeping
If you live in a tropical climate than you are ok, but if you live where the temperature dropps below 40'F don't buy this product. The ice warning is a infernal high pitched beeping which sets off the glass break alarms on my security system. There is no stopping the beep. It is a "built in feature". You have to "destroy" the speeker to get it to stop. Don't get this product. I would suggest the other version that doesn't beep. Other than this it is a pretty accurate (sometimes off a little) but other than that it works well.

1-0 out of 5 stars frustrating design
Neat idea, but frustrating design. When freeze alarm beeps you must press a certain button to stop it. When it sounds in middle of night it is difficult to find that specific button. Be nice if it had a "silent" mode. If you do press the wrong button, you have reset it--which is not a simple button click. You have to unscrew the back and reset the transmitter unit as well. Not worth it.

1-0 out of 5 stars If you want to be awaken at 2:00 a.m. by an ice alarm buy
this product. That's what happened to my girlfriend and her 2 year. We didn't realize the alarm was a piercing beep that was pre-set to sound when the temp dropped below 40 degrees. And guess what, you can't turn off this "feature" That's what their customer service told me. They said that opening the back and cutting the speaker wire was the only way. How's that for a design? Also I noticed that when the remote was in the house next to the base, it was reading 2 degrees warmer than the base unit--not very accurate. ... Read more


3. Dr.Friedrichs Gruppe 447500 Rain-Gauge
list price: $20.00
(price subject to change: see help)
Asin: B00004TTTG
Catlog: Lawn & Patio
Manufacturer: Torka
Sales Rank: 1705
Average Customer Review: 2.67 out of 5 stars
US | Canada | United Kingdom | Germany | France | Japan

Amazon.com Review

Now there's a decorative way to gauge rainfall. The Dr. Friedrichs Gruppe 31-1/2-inch plastic rain gauge measures 1 millimeter of precipitation per square meter, or one liter, up to 1-1/2 inches, or up to 40 millimeters. Not only is it functional, it's an attractive addition to your garden or lawn. The deep green metal pole can be easily inserted into the ground. Attached to the pole is a curved, plastic holder designed to embrace the softer green-tinted plastic gauge perfectly, all the while adding grace to your outside environment. Large white numbers make the gauge easy to read, and white markings in between the numbers give you the perfect reading, no matter if it's misting or raining cats and dogs. ... Read more

Features

  • 31-1/2 by 3 inches
  • Made of clear, green-tinted plastic
  • Tall style allows for easy readability
  • Just lift the cup out of the stand and empty each day
  • Measures rainfall in inches

Reviews (6)

3-0 out of 5 stars REPLACEMENT
I like the rain gauge. My only disappointment is that I cannot find a replacement gauge. It has broken, but I would like to continue using it. I have tried stores around where I live, but no such luck. Does anyone now how to find them?

1-0 out of 5 stars Shoddy rain gauge
This rain gauge was a disappointment all the way around. First, it arrived broken. Second, it was made of plastic when I had thought (judging by the photo) that it was wought iron. And third, it was marked in meters instead of inches. It was made in Germany and should have stayed there.

3-0 out of 5 stars Plastic
The plastic rain container is good in a warm climate but feels rather delicate. The support rod is somewhat flimsy and doesn't appear to be durable. It is attractive but appears low quality for the $$.

3-0 out of 5 stars Dr.Friedrich Rain Gauge
I used the Friedrich rain gauge for 9 months. That is until it broke. That was by thermal expansion of the condensate (i.e. the water). The collected rain had frozen. In short, the material of the gauge should have a thermal expansion coefficient greater than that of ice, and not smaller (as it is).

The gauge's diameters (collection area versus collecting cylinder cross-section) are chosen so as to provide useful magnification for reading. That is approximately 2-to-1. The calibration is in l/m² (i.e. litre per metre squared, which equals mm [millimetre] of water depth, as if one were to measure it), and also in inches (as if one were to measure water depth).

In summary good instrument, also suitable for precision measurement, however unsuitable for use at temperatures much below freezing. I wish this problem will soon be corrected as indicated.

1-0 out of 5 stars Disappointing
I ordered this guage because it has a more elegant design than its counterparts, and I thought it would harmonize nicely with my herb garden. Although the Amazon packers did an excellent job of protecting its fragile frame in transit, it arrived with the curved portion holding the guage at an angle rather than upright. When I pushed--VERY gently--to see if it could be adjusted, one of the curved pieces broke from the supporting ring. The curved frame appears to be much too fragile to hold the guage if there is rain in quantities of the upper range of measurement, especially since the guage leans to one side. This item would be great if the curved piece were wire or wire-reinforced or even made with a more durable plastic. ... Read more


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