Nutech Engineers manufactures Noble Metal High Temperature Thermocouple Elements. Nutech Engineers is an ISO 9001:2000 accredited company. The Noble Metal [High Temperature] Thermocouple Elements comes with Black Steel Mounting Sleeve, [Not available with Silicon Carbide Secondary or Third, or Inconel Secondary Tube. The Noble Metal [High Temperature] Thermocouple Elements has adjustable Flange for only Inconel or Silicon Carbide Tube. The Noble Metal High Temperature Thermocouple Elements has 304 SS Mounting Sleeve, not available with Silicon Carbide Secondary or Third, or Inconel Secondary tube.