All Watlow time/temperature profiling controllers are designed and manufactured to withstand harsh industrial environments, and come with three-year warranty for Control Confidence®. SERIES SD3R Controller: 1/32 DIN Panel, ±0.10% accuracy, -18 to 65°C (0 to 150ºF) operating environment SERIES SD6R Controller: 1/16 DIN Panel, ±0.10% accuracy, -18 to 65°C (0 to 150ºF) operating environment

SERIES SD8R Controller: 1/8 DIN Panel, ±0.10% accuracy, -18 to 65°C (0 to 150ºF) operating environment

SERIES SD4R Controller: 1/4 DIN Panel, ±0.10% accuracy, -18 to 65°C (0 to 150ºF) operating environment

SERIES 96 Controller: 1/16 DIN Panel, ±0.10% accuracy, 0 to 65°C (32 to 150ºF) operating environment

SERIES 981/982 Controller: 1/8 DIN Panel, ±0.10% accuracy, 0 to 55°C (32 to 130ºF) operating environment

SERIES F4S Controller: 1/4 DIN Panel, ±0.10% accuracy, 0 to 55°C (32 to 130ºF) operating environment

SERIES F4D Controller: 1/4 DIN Panel, ±0.10% accuracy, 0 to 55°C (32 to 130ºF) operating environment

Applications: • Environmental chambers • Complex process furnaces • Any process that changes variables over time • Semiconductor manufacturing • Processes needing data logging • Processes requiring slidewire control of valves or positions