Tender For Supplying, Installation And Demonstration Of Different Equipment And Machineries With Nabl Calibration Certificate At The Laboratory Of The Office Of The Chief Engineer And Director, Rbri, P.W. Roads Directorate, Pailan, Kolkata 700104., kolkata-West Bengal

Supplying, Installation And Demonstration Of Different Equipment And Machineries With Nabl Calibration Certificate At The Laboratory Of The Office Of The Chief Engineer And Director, Rbri, P.W. Roads Directorate, Pailan, Kolkata 700104.- 1 Digital Thermometer – 50 to 550 0C (LC 0.10C) 2 Cannon Manning Vacuum Viscometer Tube (Size: 12 with constant Certificate) Compliance Standards: IS 1206 (Part 2) 3 STANDARD SOLUTION (CRM) FOR ABSOLUTE VISCOSITY (Viscosity Standard : N2700000) standard is related to asphalt viscosity as per ASTM D 2170 and D 2171. Exact viscosity values will be supplied with each standard. All data are traceable to the NIST. Canon USA Make.(For calibration of canon manning vacuum viscometer tube at test temp. 60˚C. & 300 mm of Hg vacuum pressure. Bulb Constant for B& C in Poise should be mention in the certificate.) 4 STANDARD SOLUTION (CRM) FOR KINEMATIC VISCOSITY standard is related to asphalt viscosity as per ASTM D 2170 and D 2171. Exact viscosity values will be supplied with each standard. All data are traceable to the NIST. Canon USA Make.(For calibration of U TUBE REVERSE FLOW VISCOMETER TUBE at test temp. 135˚C. Bulb Constant for B & C in mm2/s (cST) should be mention in the certificate.) 5 Digital RING & BALL APPARATUS (SOFTENING POINT) AS PER IS 1205 & IP-58 ELECTRICALLY HEATED WITH MAGNETIC STIRRER & DIGITAL TIMER.i) Compliance Standards: IS 1205 ii) Integrated thermometer or Digital display for precise monitoring of temperature changes. iii) Includes build-in safety measures such as overheat protection. 6 Gooch Crucibles 100 ml (without lid) i) Compliance standards: IS 1216 7 Digital thermos-hygrometer (Temperature: -10 to 600c, Humidity : 0 to 99% rH) 8 Needle for Bitumen Penetrometer (Compliance Standards : IS 1203, ASTM D5 Diameter of needle : 1.00‑1.02 MM Length approximately : 50 mm (2 in) Made from fully hardened and tampered stainless steel (SS 316) 9 Buoyancy Balance Or Specific Gravity Test Apparatus.(Buoyancy Balance helps in determining the specific gravity and for the water absorption of the aggregate. It is fitted with the 15 kg capacity & LC 0.5 gm of the electronic balance. The frame is supplied with: • Water tank,• Suspension hook • Lever for lifting the water tank manually.) 10 Trichloroethylene (TCE)i) Compliance Standards: IS 245 ii) Including necessary Certificate , Safety Data Sheet (SDS) etc.

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	18-03-2025	Date Corrigendum	Date	22-03-2025

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