bids are invited for temperature tips, s-type with branded cartridge, 900 mm long - temperature tips, s-type with branded cartridge, 900 mm long paper tube. clear indication mark for s-type must be present on the paper tube. details as below.1. nomenclature expendable thermocouple (t/c) tips/probes complete with paper tube cardboard sleeve for measurement of molten steel temperature.2. element to be used & characteristics, make of the thermocouple sensor insert. platinum / rhodium (10%) vs platinum (type-s) as per bs en 60584-1,part-1 (1996), complete with protective steel cap of minimum thickness 0.5 mm. thermocouple insert/cartridge shall be from the manufacturer of international repute, having the required calibration/ testing facilities viz. palladium bath etc. 3. calibration & accuracy calibration as per is-2055-1962/bs en60584-2 : 1993/ din 43710based on its-90 temperature scale, with tolerance as per iec 584- class-2 :1989the accuracy shall be 0 to + 4 °c at pd. melting point (1554 °c).4. wire diameter thermocouple element wire diameter shall be minimum 0.05 +/- 0.005 mm. the same shall be certified by the oem of the insert for each consignment. 5. card board protection tube the thermocouple shall be fitted to a lap/parallel wound paper tube impregnated with heat resistant binding material of 18.0 +/- 0.2 mm id with minimum paper tube thickness of 7 mm, which will fit on a steel pipe of 16 mm dia.nominal paper tube lengths: 900 mm.6. compatibility of accessories the thermocouple tips shall be compatible with the standard accessories viz. contact blocks, front pipes, mi cables etc. of positherm tips of m/s heraeuselectronite, belgium. total quantity : 1