Infrared Thermometers are useless
1. The Department of Legal Metrology GOI has allowed import of these witnout required certificates (with a condition that all unauthorized importers will have to get the samples passed after 3 months!!). This has resulted in lot of toys being imported at cheap price from China. Before purchasing, consumer must insist on model approval certificate from GOI (which is available with some genuine medical suppliers).
2. All these work at an ambient temperature of 10-40C. That has to be adhered to to get best results.
3. These work best when temperature is taken within 5 cm from forehead and there must not be any perspiration on forehead.
There are genuine and good quality brands available in the market at a slightly high price which are worth it. more