The ir 260 8s is a device for non contact temperature measurement which uses the infrared energy emitted by an object to determine the temperature the ir 260 8s thermometer is ideal for measuring the temperature of hot hard to reach or moving objects it measures the surface temperature of an object however it cannot make measurements through transparent surfaces such as glass or plastic the thermometer has a temperature range of 30c to 260c power is supplied by a 9 v battery