supply of portable digital refractometer for testing antifreeze coolant with display of range 0-100% of r esolution 0.1% and accuracy +/- 0.2% as per the specification attached. note: nabl/oem calibration certificate should be provided with the equipment. [ warranty period: 30 months after the date of deliver y ] ] div. elect. - portable digital refractometer

Northern Railway has invited bids for the supply of portable digital refractometer for testing antifreeze coolant with display of range 0-100% of r esolution 0.1% and accuracy +/- 0.2% as per the specification attached. note: nabl/oem calibration certificate should be provided with the equipment. [ warranty period: 30 months after the date of deliver y ] ] div. elect. - portable digital refractometer.. Please refer to the tender document for project value and EMD details. Interested bidders can submit applications until 30 September 2026, with the technical opening scheduled for 30 September 2026.