tender for n type thermocouple duplex mineral insulated for working temperatureof 1200 deg.continous. hot junction ungrounded the length of the themocouple 650mm. with adjustable flange. the inner and outer sheath of the thermocouple shallbe inconel 600. the dimension of the outer sheath id 12+/- 1mm, od 21+/- 1mm.thermocouple element size shall be not less than 1mm. the thermocuple shall besuitable to use in oil fired furnace (hsd). the accuracy of the thermocuple shall be+/- 3 deg.c upto 400 deg.c, +/- 0.75 above 400 deg.c. the thermocouple shall besupplied along with calibration certificate from the laboratory accredited to thenational standards and the calibration point shall be at 700 deg.c, 800 deg.c, 900deg.c, 1000 deg.c, and 1100 deg.c. warranty 6 (six) months from the date ofinstallation or 12 months from the date of supply against any manufacturingdefects.