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               Originally Posted by 
               marques 
                
               
             
              So around 102c is the upper limit of safe. Does the thermometer come with an alarm which is configurable?
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         No. But there are other brands that do. Have a look at what KOSO offer - they do some good waterproof gauges.
         
         
        
http://digitalspeedos.co.uk/
         
         Bit more money than the Trailtech and need hard wiring for 12v supply.