SICK GTE6-P7212 Photoelectric sensors. SICK GTE6-P7212 is a photoelectric sensors in the G6 family. SICK identifies this exact configuration as manufacturer article 1053628. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Energetic; Sensing range max.: 10 mm ... 300 mm 1); Sensing range: 15 mm ... 250 mm; Light source: PinPoint LED 2); Type of light: Visible red light. The linked SICK data sheet is specific to GTE6-P7212.