... function, up to 1000 test records DescriptionSNP3216 Handheld Power Optical Meter is Snapepool newly designed fiber optic tester, it aims at ... .5%)linearity (dB)±0.02Display resolution(dB)0.01Frequency ID(Hz)270,330,1K,2KWave ID(nm)1310,1490,1550,1625Date ... *44.5(231g)Standard Packages MODELINCLUDESAll SNP3216 ModelsSNP3216 Optical Power Meter, 3pcs 1.5V batteries, AC Adaptor, User Manual, Cotton swabs ...