Oregon Scientific RMR203HG User Manual
Page 7

EN
6
•
Do not tamper with the unit’s internal components. This 
invalidates the warranty.
•
Only use fresh batteries. Do not mix new and old 
batteries.
•
Images shown in this manual may differ from the actual 
display.
•
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 (THGN132N)
L x W x H
50 x 22 x 96 mm
(1.97 x 0.87 x 3.78 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)
Humidity range
25% - 95%
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.asp 
OR 
Call 1-800-853-8883. 
For international inquiries, please visit: 
RMR203HG IM EN R5.indd 6
2007.8.9 5:27:47 PM
