The starting temperature of the food itself and its density or ability to retain heat factor in as well.
Food heat lamp temperature.
After 30 minutes the thermometer in the container with the halogen lamp gave a reading 20 f higher than the other box 135 f vs 115 f and the heat from the halogen lamp had actually.
If both lamps put out roughly the same amount of heat these two lamps should have effectively raised the temperature in both boxes to the same degree.
Ultimately the reason why people buy heat lamps is that they can help keep the food warm for longer.
A food heat lamp can be used in a wide range of applications from carving stations to buffet lines.
You can also choose from online support video technical support and free spare parts food heat lamp temperature there are 244 suppliers who sells food heat lamp.
Generally for a standard 250w bulb lamps should hang about 8 in.
Upgrading to a 375w bulb allows the distance to stretch to about 12 in.
Free standing units are perfect for catering operations as you can easily transport them from place to place while lighted display stations let you hold warm bags of french fries and other sides at concession stands and carnivals.
Above the plate to keep the food at about 140 f.
It won t be hot enough to start cooking your food but it will be warm enough to make sure that the food stays that way as well.