I'm getting a HI reading on my Rapid RH® Easy Reader. What does it mean?


If the RH% is 99.1% or higher the reader will read "HI". The LCD screen on the reader does not have room for 3 digits (i.e. 99.1) so it reads "HI".

Please visit www.wagnermeters.com for more information or call 1.800.634.9961 to talk to a professional.

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