... for measuring the air temperature-50-400-58-752TP02TP02ATP03TP03ATP04Suitable for measuring temperature of the air steam liquid etc,probe is stainless steel.- ... 50-700-58-1292To use When the probe of TP02/03/04 measuring temperature is used,,must notice that the length ... it is inserted too shallow,the accuracy rate of measuring temperature would have been effected. Temperature probe/Temperature Senor