Amprobe CR50A Capacitance and Resistance Tester Tests capacitance and resistance to check functionality and compatibility of electrical circuits and devices Zero-adjust pots help eliminate stray resistance and capacitance for more accurate readings Comes with a set of detachable test leads with test probe tips and two alligator clips for a more secure, hands-free connection than probe tips Diode test checks for proper functioning of the circuit's diodes Audible continuity buzzer confirms that a circuit is capable of conducting current Resistance: 20 , 200 , 2 k, 20 k, 200 k, 2 M, 20 M Resolution: 0.01  in 20 Open Circuit Voltage: 20  and 200 All Other Ranges: 0.3 VDC Display Update Rate: 2/sec, nominal