supply of portable hli and connecting cable (part no.: 2ed-254-4774) for checking air flow reading of aspiration type automatic smoke and fire detection with alarm system installed in ac coaches as per rdso spec. no. rdso/2008/cg-04 (rev.5) dated aug-2019. [qty 1 set consists of portable hli- 1 no. and connecting cable (2ed-254-4774)- 1 no. or similarportable hli and connecting cable (part no.: 2ed-254-4774) for checking air flow reading of aspiration type automatic smoke and fire detection with alarm system installed in ac coaches as per rdso spec. no. rdso/2008/cg-04 (rev.5) dated aug-2019. [qty 1 set consists of portable hli- 1 no. and connecting cable (2ed-254-4774)- 1 no. or similar,portable hli and connecting cable (part no.: 2ed-254-4774) for checking air flo w reading of aspiration type automatic smoke and fire detection with alarm system installe d in ac coaches as per rdso spec. no. rdso/2008/cg-04 (rev.5) dated aug-2019. [qty 1 set consi sts of portable hli- 1 no. and connecting cable (2ed-254-4774)- 1 no. or similar [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]