Meco MC_27T Auto 400A AC Auto Ranging 3½ Digit 2000 Counts Temp Digital Clampmeter Meco 27T- auto, 400A AC, auto ranging, 3 Â½ digit 2000 counts, temperature, data hold, maximum, NCV, APO AC current 2A, 20A, 200A, 400A (auto ranging). AC voltage 2V, 20V, 200V, 600V (auto ranging) DC voltage 200mV, 2V, 20V, 200V, 600V (auto ranging). Temperature -200 degree Celsius to 7500 degree Celsius. Resistance 200, 2k, 20K, 200k, 2M, 20M (auto ranging) Sp. Functions data hold, audible continuity, diode test, APO jaw opening 25 millimeter (maximum). Accessories one pair of test leads, instruction manual, carrying case, battery (installed) K type thermocouple (upto 2600 degree Celsius).