There is a bit of "If all else fails read the instructions" about this thread.
I have been using one of these thermometers for years and never had a problem with it though I have had to change the battery once in that time.
They are particularly useful for quickly determining temperature gradients in enclosures... particularly for goannas with particularly hot
hot spots. Other types of thermometers just do not cut it in these circumstances.
If products such as these were generally faulty "out of the box" the suppliers, in this instance the Herp Shop, would go broke very quickly. Poor quality products are the death of businesses that do the bulk of their trade via mail order.
If you think you have a problem item (from the Herp Shop or anywhere else for that matter):
- Read the instructions to make sure you are operating it correctly.
- If that fails contact the supplier and ask them. (email and the phone work particularly well here.)
- (You should not get this far.) Seek solutions from wider sources such as your mates, Google, APS etc.
So, Snakelover, give Brian at the Herp Shop a call if you think there is an issue or you need some help getting it to operate correctly. You will find him very helpful and that he stands by the products he sells and in the rare instances where there are genuine defects the situation is quickly corrected.