supply of j type thermocouple , j type thermocouple simplex mineral insulated for working temperature of 500 deg c,ungrounded as per drawing no:rwf/el/wsc/tc/a4-2008 008 r.1.the thermocoupl e shall be suitable to use in electrically heated pads as per is 2057 latest.the thermocouple shallbe supplied along with calibration certificate from the laboratory accredited to the national standards and the calibration point shall be at 250 deg c,3 25deg c &400 degc. warranty:6 months from the date installation or 12 months from t he date of supply against any manufacturing defects. [ warranty period: 12 months after t he date of delivery ] ]