Looking to purchase one. Saw these models on ebay. I have a Enviro M55 FS cast. I believe this model would read the range my stove needs 0.15-0.17, but just figured I'd double check with the experts before I do anything just in case. Which one would be better?
http://www.ebay.com/itm/DWYER-MAGNE...981?pt=LH_DefaultDomain_0&hash=item20c3c2c8cd
or this model
http://www.ebay.com/itm/DWYER-INSTR...338?pt=LH_DefaultDomain_0&hash=item1e6b45cc8a
http://www.ebay.com/itm/DWYER-MAGNE...981?pt=LH_DefaultDomain_0&hash=item20c3c2c8cd
or this model
http://www.ebay.com/itm/DWYER-INSTR...338?pt=LH_DefaultDomain_0&hash=item1e6b45cc8a