Tender For supply of digital refractometer for ethylene glycol as per rdso specification: rdso/2018/el/smi/0325 or latest revision. test range: 0-100% volume, operating temperature: 0 to 50 deg c, resolution: 0.1%, accuracy: 0.2%, light source: led, with accessories (battery - 03 nos, pipette - 02 nos, instruction manual - 02 nos, carrying case - 01 nos), along with oem calibration/nabl calibration certificate.