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SPECIFICATIONS 
 
Temperature measuring range: 

Indoor 

32

°

F to 122

°

F with 0.2

°

resolution  (0

°

C to 50

°

with 0.1

°

C resolution)  

“OFL” displayed if 
outside this range 

Relative humidity 
measuring range 

19% to 95% with 1% 
resolution.  (“- -”  
displayed if outside this 
range 

Indoor temperature 
checking interval 

Every 10 seconds 

Indoor humidity checking 
interval 

Every 1 minute 

 
Power Supply: 

Analog clock 

2 x AA, 1.5V 

Weather LCD 

2 x AAA, 1.5V 

Battery life cycle 

Approximately 12 months 

Recommended battery 
type 

Alkaline 

 

 

Dimensions 

Analog clock 

13 inch diameter 
(330 mm) 
1.75 inch depth 
(44 mm) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

6

Summary of Contents for WT-3131TWC

Page 1: ...y of Contents Additional Equipment 2 About WWVB 2 Detailed Set Up Guide Battery Installation 2 Function Keys 3 Time Zone Setting 3 Daylight Saving Time Setting 3 Features Weather Forecast Icons 4 Indo...

Page 2: ...ignal from the NIST Atomic clock in Boulder Colorado A team of atomic physicists is continually measuring every second of every day to an accuracy of ten billionths of a second per day These physicist...

Page 3: ...r clock d The last button is the SET C F button which is located below the AAA battery compartment Press and release this button to switch between C and F 3 Time Zone Setting Press and release one of...

Page 4: ...be sunny with clouds Clouds with Rain indicates that the weather is expected to get worse not that the weather will be rainy The weather icons change when the unit detects a change in air pressure The...

Page 5: ...it is time to change the battery by advancing the second hand in two second steps The operating voltage range is 1 25 to 1 75 volts Location Try a different location ideally near a window It should b...

Page 6: ...g range 19 to 95 with 1 resolution displayed if outside this range Indoor temperature checking interval Every 10 seconds Indoor humidity checking interval Every 1 minute Power Supply Analog clock 2 x...

Page 7: ...NCIDENTAL CONSEQUENTIAL PUNITIVE OR OTHER SIMILAR DAMAGES ASSOCIATED WITH THE OPERATION OR MALFUNCTION OF THIS INDOOR WEATHER STATION THIS PRODUCT IS NOT TO BE USED FOR MEDICAL PURPOSES OR FOR PUBLIC...

Page 8: ...rights reserved This handbook must not be reproduced in any form even in excerpts or duplicated or processed using electronic mechanical or chemical procedures without written permission of the publi...

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