LUTRON CM9940 is a small clamp multimeter. LUTRON CM-9940 measures AC / DC current and voltage, resistance, frequency. It offers current measurement by clamp, diode and continuity test, automatic range switching, Data Hold, front panel protection against splashing water, overload protection on all ranges. The maximum diameter of the measured conductor is 30 mm.
The Lutron CM9930 is a digital clamp multimeter. Lutron CM 9930 measures AC / DC current and voltage, resistance, duty cycle, capacity, frequency. Offers True RMS, diode and continuity test, Relative measurement, Data Hold, auto-off, battery voltage measurement, zero setting, overload protection on all ranges, splash protection. Max. diameter of measured conductor is 51mm. Complies with IEC 1010-1 / Cat III 1000V.