Corning 6795PR External Temperature Controller for Digital Display Hot Plate, 5 to 200 Degree C: Science Lab Hot Plates: Amazon.com: Industrial & Scientific
Intelli-Stirrer MSH-300i, Magnetic Stirrer with hot plate| Biosan
Programmable Stirring Hot Plate with External Temperature Probe, 7.25" x 7.25" Ceramic Plate Max. 450 °C - EQ-SP-19-LD
EchoTherm Programmable Digital Hot Plates - Cole-Parmer