supply of drop melting point apparatusdrop melting point apparatus,poldi hardness tester specification as per annexure [ warranty period: 30 months after the date of delivery ] ] , drop melting point apparatus for petroleum wax (motorised with electrical heating) with acce ssories as per annexure [ warranty period: 24 months after the date of delivery ] ] , abel flash point apparatus intended for determination of closed cup flash poin t of petrolium products,as per is 1448 (p-20) [ warranty period: 24 months after the date of deliver y ] ] , dean stark apparatus for oil with heater as per specification attached [ warranty period: 3 0 months after the date of delivery ] ] , cloud and pour point apparatus use for measuring power point and cloud point of hsd oil, lub e oil and transformer oil. [ warranty period: 24 months after the date of delivery ] ] , digital ph meter technical specification as per specification attached ( microprocessor based ) [ warranty period: 30 months after the date of delivery ] ]