... for 1min when testing.2. Insulation ResistanceBetween meter circuit and meter shell, between the two voltage input terminals:≥ ... measuring phase, 100~220V, 0.5A~1.5A(7) External reference frequency electromagnetic interference, Should be avoided2 ... DimensionMeter shell, 192x95x55mmNipper shell, 140×42×20mmNipper jaw, Φ7×9mm5. WeightMeter body, 280gMeasuring pliers, 2×200g6. Storage ...