Best for NEMA 23 & 34? Differential Output signals? 32 to 1,250 Cycles per Revolution (CPR)? 128 to 5,000 pulses per revolution (PPR)? Positive finger-latching polarized connector? Tracks from 0 to 100,000 cycles/sec? Optional index (3rd channel)? -40 to 100oC operating temperature? 2 year warranty? Through shaft hole option available