7i/p impd 10000 ohms line to line; ckt impd 10000 ohms approx; range 2 degrees through 360 deg; accuracy within porm 20 sec of arc at 5 degrees incr starting at 0 degrees and within porm 30 sec of arc at intervening ang; readabili type 3.6 sec at 0.001 deg; 60 hz
