The ABB TTH300 Head-Mounted Temperature Transmitter (
TTH300-E1-H) is a dual-channel, two-wire temperature transmitter designed for industrial applications to convert various sensor signals into a standardized output. Key Specifications & Breakdown
- Model (TTH300): Head-mounted temperature transmitter supporting Pt100 (RTD), thermocouples, resistance (Ω), and millivolt (mV) inputs.
- Explosion Protection (E1): Features ATEX intrinsic safety protection (Zone 0, Zone 1, and Zone 20/21 ratings).
- Communication Protocol (H): Uses HART communication protocol (4 to 20 mA output).
- Inputs: Two universal sensor channels allowing for sensor redundancy, sensor backup, and drift monitoring.
- Diagnostics: Complies with NAMUR recommendations including NE 89 (wire break/corrosion monitoring) and NE 107 (extended diagnostics).
- Safety: Functional safety rated up to SIL 2 / SIL 3 in accordance with IEC 61508
