Thermowells Electrical Design: 2-wire Probe Temperature range: -50°C~420°C (at the tip of the probe) Material: Stainless steel 304 Size: 20mm*7.5mm*3.6mm Cable Temperature range: -50°C~150°C Length: 0.5mm/1m/1.5/2m/ /4m/5m/6m/7m/8m/9m/10m