Optical fibre loss test set, the set consist of optical power metre with 1030 st- pc fibre optics connector adaptor and led source with built- in st- pc connector interface. detailed specification are as follows., optical power metre: [ a ] calibration wavelengths: 850nm, 1300nm, 1310nm and 1550nm., [ b ] power range: + 3 dbm to- 60 dbm. [ c ] accuracy: plus or minus 0. 25db. [ d ] resolutions: 0. 01db. [ e ] power requirements: two aa size 1. 5v batteries [ approx. 100 hours continuous operation ]. [ f ] connector interface: fc, sc or st. [ g ] ce: en61010; en50081- 1: 1992; en55011, group1, class a en50082- 1: 1992 iec 801- 2,- 3,- 4. [ h ] accessories: 1030 st- pc., fibre optics connector adaptor light source: [ a ] centre wavelength: 850nm/ 1300nm. [ b ] range [ typical ]: 840nm to 880nm/ 1270nm to 1345nm. [ c ] stability [ 1hour ]: plus or minus 0. 05db. [ d ] modular frequency: 270 khz, 1 khz and 2 khz. [ e ] power requirements: two aa size 1. 5v batteries [ approx. 40hours continuous operation ]. [ f ] connector interface: fc, sc or st. [ g ] ce: en61010; en50081- 1: 1992; en55011, class a en50082- 1: 1992 iec 801- 2,- 4., optical power metre to Model: KI 2600/ nGaAs & Light source to model no KI2803 of King Fisher make or its similar along with ST, SC, FC adapters.