... (F), Slow(S), Impulse (I). Max hold, with AC/DC signal output connectorCan be equipped with filter connectorOverload indicationFull scale +10 ... 1.5v batteries, with external DC voltage input holeWith AC accessories, it can be used to test with external ... correction signal inside, and can be used for calibration referenceDC,AC output portDimensions 290mm×106mm×65mmWeight 0.67kg(without batteries) led ...