Oregon Scientific RMR203HGA User Manual
Page 2

•
When disposing of this product, ensure it is collected 
separately for special treatment.
•
Placement of this product on certain types of wood 
may result in damage to its finish for which Oregon 
Scientific will not be responsible. Consult the furniture 
manufacturer's care instructions for information.
•
The contents of this manual may not be reproduced 
without the permission of the manufacturer.
•
Do not dispose old batteries as unsorted municipal 
waste. Collection of such waste separately for special 
treatment is necessary.
•
Please note that some units are equipped with a 
battery safety strip. Remove the strip from the battery 
compartment before first use.
The technical specifications for this product and the
contents of the user manual are subject to change without 
notice.
SPECIFICATIONS
TYPE
DESCRIPTION
MAIN UNIT
L x W x H
73 x 47 x 132.5 mm
(2.87 x 1.85 x 5.22 in)
Weight
241 g (8.5 oz)
without battery
Temperature range
-5°C to 50°C (23°F to 122°F)
Resolution
0.1°C (0.2°F)
Signal frequency
433 MHz
Humidity range
25% - 95%
Humidity resolution
1%
Power
2 x UM-3 (AA) 1.5 V batteries
REMOTE UNIT (THN132N)
L x W x H
96 x 50 x 22 mm
(3.78 x 1.97 x 0.87 in)
Weight
62 g (2.22 ounces)
Transmission range
30 m (98 ft) unobstructed
Temperature range
-20°C to 60°C (-4°F to 140°F)
Power
1 x UM-3 (AA) 1.5 V batteries
ABOUT OREGON SCIENTIFIC
Visit our website (www.oregonscientific.com) to learn more 
about Oregon Scientific products. If you’re in the US and 
would like to contact our Customer Care department directly, 
please visit: www2.oregonscientific.com/service/support 
OR
Call 1-800-853-8883.
For international inquiries, please visit: www2.oregonscientific.
com/about/international
FCC STATEMENT
This device complies with Part 15 of the FCC Rules. 
Operation is subject to the following two conditions: (1) This 
device may not cause harmful interference, and (2) This 
device must accept any interference received, including 
interference that may cause undesired operation.
 WARNING Changes or modifications not expressly 
approved by the party responsible for compliance could void 
the user’s authority to operate the equipment.
 NOTE This equipment has been tested and found to 
comply with the limits for a Class B digital device, pursuant 
to Part 15 of the FCC Rules. These limits are designed to 
provide reasonable protection against harmful interference 
in a residential installation.
This equipment generates, uses and can radiate radio 
frequency energy and, if not installed and used in accordance 
with the instructions, may cause harmful interference to 
radio communications. However, there is no guarantee 
that interference will not occur in a particular installation. If 
this equipment does cause harmful interference to radio or 
television reception, which can be determined by turning the 
equipment off and on, the user is encouraged to try to correct 
the interference by one or more of the following measures:
• 
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and 
receiver.
•
Connect the equipment into an outlet on a circuit different 
from that to which the receiver is connected.
•
Consult the dealer or an experienced radio / TV 
technician for help.
DECLARATION OF CONFORMITY
The following information is not to be used as contact for 
support or sales. Please call our customer service number 
(listed on our website at www.oregonscientific.com, or on the 
warranty card for this product) for all inquiries instead.
We
Name:
Oregon Scientific, Inc.
Address:
19861 SW 95
th
Ave.,Tualatin,
Oregon 97062 USA
Telephone No.:
1-800-853-8883
declare that the product
Product No.:
RMR203HGA
Product Name:
Temperature and Humidity
Station with Atomic Time
Manufacturer:
IDT Technology Limited
Address:
Block C, 9/F, Kaiser Estate,
Phase 1,41 Man Yue St.,
Hung Hom, Kowloon,
Hong Kong
is in conformity with Part 15 of the FCC Rules. Operation is 
subject to the following two conditions: 1) This device may 
not cause harmful interference. 2) This device must accept 
any interference received, including interference that may 
cause undesired operation.
© 2007 Oregon Scientific. All rights reserved.
P/N: 086L004999-013
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