purchase of instrument spares : , guage vaccum 760 0-760 mmwg, dial 150 mm, connection size 3 / 8, ss bourden tube , ss body, make baumer / h guru , pressure guage  2kg dial 150mm, conection 3 / 8, ss bourden tube, ss body, , guage temp 0-400c dial 150mm, conection 1 / 2, lenghth 300 mm, o.d 6 mm , temp indicutor j type temperature indicator universal type, make- masibus temp-0 to 1100 c, model lc5296 , control d.c. 1040 input 4-20 , air filter regulator make. jaraeics / abb , thermocouple with s.s thermowell 6mm o.d, with thermowell o.d 12mm, length1600mm,  temp-1100c, make alpha / thomson , rpm sensor rpm transmitter with sensor o.p 4 -20 ma 230 volt, make - nrpm2100 ( nest ) , temperature controller double channel temp<0-200 c> max, supply 220volt ac , make- masibus , copper tube 1 / 4 with ferrul 50 nos, size 1 / 4. , k-type thermocouple calble as per sample , draft gauge for s.a fan, 1000 mmwc , thermocouple duplex k-type 750 mm with thermowell, connection 1 / 2 , thermocouple duplex k-type 300 mm with thermowell, connection 1 / 2 , pressure & temprature recorder on graph 2 kg for 24 hours, with pen & 200 nos of graph, make- techcal , pressure & temperature recorder on graph 30 kg for 24 hours, with pen & 200 nos of graph, make techcal , presser guage 4kg 0-4kg+psi, dial 150 mm, make micro / mass , r.t.d with indicator 0-200 c pt 100 ( make- aes ) , o.d- 6 mm, length- 6mm, make of indicator - autonix pp45 , silicon oil for gauges