Weller-Temperature-Measurement-System-Weller-T0053124399N-p-The-WTT-1-digital-temperature-measuring-system-has-been-specially-designed-for-measuring-the-temperature-of-soldering-iron-tips-The-probe-has-a-double-sensor-system-&-its-own-internal-heat-source-The-measured-temperature-is-fed-to-a-control-system-that-records-the-flow-of-heat-in-the-probe-&-stabilises-it-with-the-aid-of-the-internal-heat-source-This-ensures-that-no-heat-is-drawn-by-the-probe-from-the-object-to-be-measured-