Product type designation AI 4xRTD/TC 2-/3-/4-wire HF. SIPLUS ET 200SP AI 4xRTD/TC high feature based on 6ES7134-6JD00-0CA1. Thermocouple (TC). based on 6ES7134-6JD00-0CA1. Class 3B3 on request. Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on.