AC/DC 저저항계 (마이크로옴미터)
			Resistance measurement ranges include 10n ohm -100M ohm 
Resistance measurement sensitivity of 1µ ohm or 100n ohm 
3-1/2 digit to 7-1/2 digit resolution 
Difference conductance measurements (622x/2182A) 
Delta mode for low noise measurements (622x/2182A)