The idea of cheaper better is a hard one. Better,Faster, Cheaper. You can get any two but not all 3.
Anyway as long as you understand that the readout is not accurate and you understand the limitations of an off/on unit they are ok.
Amon Ra Reptiles FYI I have tested a fleet of herpstat probes (15 now) and all of them were well better than 0.6ºF incorrect. (I have a very accurate traceable scientific thermometer to test against) I have tested a couple of helix and an ecozone and found them all to be very good as well. Better in fact than most digital thermometers there are accurate units on the market if you want to pay for them.
OP IR guns are all about the same. The DS ratio is the big difference most only need 1:1-1:8 is likely all you need and check the accuracy range if it is worse than +/-2ºF (1ºC) I'd look at something else.
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