High-precision, low-drift field transmitter for petroleum, chemical, power and metallurgy industries: 1. 0.1-level accuracy, PT100 drift down to ±0.003℃/℃, supports -55℃ ultra-low temperature operation 2. Dual-chamber anti-corrosion aluminum housing, SIL/IECEx certified for explosion-proof hazardous areas 3. Complies with IEC61326 EMC standard, features sensor drift detection for higher data reliability