Oregon Scientific RMR500A
Wireless Weather Station & Multi-Room Climate Monitor

The Oregon Scientific RMR500A Wireless Weather Station and Multi-Room Climate Monitor can help to keep your home in check! This device allows you to monitor the temperature and humidity simultaneously in up to four rooms of your house. Each room’s temperature and humidity data is divided into easy-to-read segments on the large LCD display. In addition, a mold alert icon will make you aware of the potential for mold formation and weather forecast icons let you know what the weather has in store for the next 12-24 hours.

The RMR500A can work with up to four remote sensors at any one time to capture temperature and humidity readings in various locations. Two remote temperature and humidity sensors (THGN500 and THGR122N) are included, while two more optional wireless remote sensors can be purchased separately.

Features:

• Radio controlled time/date (can be set manually)
• Hour/minute clock display
• Month/date calendar display
• If optional sensors are installed, “CALENDAR” and “TIME” tags will be replaced
• Indoor temperature (ºF or ºC) and humidity
• Wireless outdoor temperature (ºF or ºC) and humidity
• Display data from up to two additional wireless remote temperature/humidity sensors
• Weather forecast icons (sunny, partly cloudy, cloudy, rain, snow)
• 12-24 hour weather forecast based upon barometric pressure
• Mold alert icon
• Low battery indicators
• 12 or 24 hour time mode
• LED backlight
• Wall mount or free-standing (fold out stand)
• One THGN500 outdoor sensor and one THGR122N remote sensor included

• Temperature range (base unit - indoor):
  23 to 122°F (-5 to 50°C)
• Temperature range: (THGN500 - outdoor):
  –4 to 140°F (-20 to 60°C)
• Temperature range: (THGR122N - remote):
  –4 to 140°F (-20 to 60°C)
• Temperature resolution: 0.2°F (0.1°C)
• Humidity range (all sensors): 25% to 95%
• Humidity resolution: 1%
• Remote sensor measurement interval: 1 min
• Power requirements (base): 4 AAA alkaline batteries (included)
• Power requirements (THGN500): 1 AA alkaline batteries (included)
• Power requirements (THGR122N): 2 AA alkaline batteries (included)
• Transmission frequency band: 433 MHz
• Transmission range: up to 100 feet open air

• Base receiver: 5.3" x 1.1" x 5.3"
  (134mm x 27mm x 134mm)
• THGN500 sensor: 1.9" x 0.9" x 3.8"
  (50mm x 22mm x 96mm)
• THGR122N sensor: 3.6" x 2.4" x 0.79"
  (92mm x 60mm x 20mm)

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Includes Outdoor Temp/Humidity Sensor (THGN500) & Remote Temp/Humidity Sensor (THGR122N)

Additional Sensors
	One THGR122N remote sensor is included with the package, but this unit can receive signals from up to three additional remote sensors. Should you wish to purchase additional sensors, all of the following are compatible. Temperature & Humidity Sensor w/LCD Model THGR122NX $34.95 Add to Cart Ultra-Cold Temperature & Humidity Sensor Model THGN123N $49.95 Add to Cart If you are purchasing one of these sensors for another product, please see our Oregon Scientific Sensor Compatibility Chart to ensure that you are ordering the correct one.