Furnace Crown Thermocouple

R Type Thermocouple

Parameter	Specification
Make	Aavad
Model	ARIS
Element	Pt. Rh (13%)/Pt
Element diameter	0.3 mm.
Calibration std.	As per ANSI mc 96.1
Configuration	Simplex
Insulation	Twin hole ceramic Ker-610
Hot junction	Un-grounded
Terminal block	Ceramic with nickel-plated brass terminals
Head	Die-cast aluminum weather-proof ANSI color-coded ‘Blue’ painted with threaded cover & chain
Protection class	IP-67
Cable entry	1/2″ (F) NPT
Holding tube moc	SS 310
Holding tube diameter	21 mm
Holding tube length	150 mm
Ceramic tube length	450 mm
No. of protection	Single protection
Outer ceramic diameter	15 X 10 mm. Id of ceramic Ker-610
Joints	Between holding tube & outer tube assembly by high temp. alumina compound bonding.
Range	Up to 1450°C

Glass Melting Furnace includes a melting chamber in which solid batch materials are heated to produce molten glass. The arch of this melting chamber is known as crown. To measure and control the temperature of furnace crown is important, because with the correct temperatures one can improve the service life of crown, as the overheating of the crown may cause of early erosion of crown refractory and on the other side if the temperatures are low, it can affect the melting efficiency and will increase the fuel consumption. The highest temperature in melting furnace is at crown.