Tender For tender for supply of spare parts for moisture meter : : - supply of generator electrode without diaphragm model tz 1752 , order no. 285216660 generating electrode without junction. , supply of micro double platinum electrode model kf 1150 , order no.285102060 micro-double platinum combination electrode for karlfischertitrations , with fixed cable , double platinum pin and tapper ns 7.5 for coulometric titration vessels tz 1751 and tz 1754. , supply of septum model tz 1761 , order no. 285221224 septum gl 18 for karlfischertitration vessel tz 1751 and tz 1754 (10 pcs.) , supply of titration vessel model tz 1751 , order no. 285216630 karlfischertitration vessel made out of glass for coulometry with 1 opening ns 19 , 1 x ns 7 , 5 x gl 18. , supply of duran moisture trap model tz 1505 , order no. 285213939 colorless , with ns 14 for titration vessel tz 1751 and tz 1754. , supply of power adaptor model tz 1853 , order no. 285212217 , supply of cable for generator electrode model lb 04 nn , order no. 285122510 (coaxial electrode plug , 0.4 m coaxial cable , 2 x 4 mm banana plugs for kf generating electrode).
Tender For supply, installation and trials of laboratory instruments equipment apparatus with training for quality control ii division at siliguri, p.w.(roads) directorate - nomenclature of machine/instrument and work required: supply, of only vacuum pump cum controller required for existing digital 4 station vacuum indicator for absolute viscosity test. the same will have to he installed on the existing machine and after installation, necessary trials are to be carried out. relevant is code: is: 1206: 2022 (part ii). specification: the pump connected with the vacuum system should be capable of maintaining a vacuum within 2 0.05 cm of the desired level up to and including 30 cm of mercury, and should have the capability of holding the desired pressure throughout the period of a particular test. the pump should have both analogue (with divisions of 0.05 cm of hg) and digital pressure gauge (capability of displaying minimum of 0.05 cm of hg). the vacuum pump controller should be supplied with a 4-position manifold to apply vacuum simultaneously up to four positions and perform viscosity determinations. equipped with dedicated on/off switches for each position and supplied with blue silicon tubing. the pump should have the capability of withholding the pressure set for tests and also maintain it throughout the test. vacuum pump should be the part of vacuum system [pump should be inbuilt with in the vacuum system along with analogue and digital display of vacuum). note: 1. calibration certificate will have to be furnished and should be valid for atleast 10 months from the date of supply 2. necessary tests and trials will have to be carried out to the satisfaction of engineers of q.c.-ii division at siliguri. 3. two year comprehensive warranty of total system from the date of satisfactory completion of onsite installation, commissioning and training of the instrument., nomenclature of machine/instrument and work required: supply, installation of u-tube, modified reverse flow viscometer for opaque liquid required for kinematic test of bitumen. details: tube no. 6 & 7 with 01 no. stand each. relevant is code: is 1206 (part 3): 2021 specification: note: 1. calibration certificate will have to be furnished and should be valid for atleast 10 months from the date of supply. 2. necessary tests and trials will have to be carried out to the satisfaction of engineers of qc-ii division at siliguri. 3. two year comprehensive warranty of total system from the date of satisfactory completion of onsite installation, commissioning and training of the instrument., nomenclature of machine/instrument and work required: supply & installation of serological water bath. specification: the bath should have double walled structure, having facility of digital controller cum indicator. the bath should have stirring arrangement. inside wall should be of stainless-steel seamless ss 304 seamless, min. thickness 1.0 mm, with rounded corners for easy cleaning with proper drainage system having ptfe valve and hose pipe (15mm inner dia. min). outer wall to be of ms and properly insulated with cfc-free high-density insulation. minimum temp. range is 5°c to 95°c, 20.2°c. size should be minimum 28 l: -600 w 400d 350 h mm; for 8 standard racks, with adjustable height, compatible with common test tubes (10-50 mm dia.) and other bottles/beakers. note: 1. calibration certificate will have to be furnished and should be valid for atleast 10 months from the date of supply. 2. necessary tests and trials will have to be carried out to the satisfaction, nomenclature of machine/instrument and work required: supply & installation of burette stand with clamp specification: boss head & rod (with stainless steel corrosion resistant rod (length 18") the rod diameter is 1 cm and solid black coated support stand base (6"x4"). should be made of high-quality anti-corrosion & rust-proof stainless steel. the base should be padded to prevent scratches on the surface and better gri