Voltcraft ir 550 12sip ir thermometer 12 1 voltcraft ir 550 12sip p the voltcraft ir 550 12sip is an infrared thermometer that will allow contactless measurement of surface temperatures it measures the temperature by means of the infrared energy emitted by each object due to the contactless measurement the thermometer is ideal for dangerous objects objects that are difficult to access moving objects or objects supplied with electrical voltage p p the thermometer always measures the s