Features: Fixed: the transformer is fixed on the instrument. Current testing requires no additional purchase of transformer, instrument with a high accuracy transformer. The head of the split-type transformer has a back cover. It is safer, more convenient and more reliable to use. Specification: Measurement accuracy:1% ± 2 digits Measurement speed: about 2 times per second Dimensions: Approx. 70 * 40 * 40 mm / 2.8 x 1.6 x 1.6in Installation Dimensions: Approx. 68 * 38 mm / 2.7 x 1.5in Power supply line, measuring line length: about 150mm / 5.9in "split" transformer lead length: about 100mm / 3.9in 40/5000 Operating temperature: -10 ~ + 50 ℃ Working humidity:10 ~ 80% (without condensation) Working pressure:80 ~ 106 kPa Sunlight exposure: no direct exposure Resolution:1V Current Range:AC 0~50A Resolution:1A Package List: 1*Fixed A/V Meter Note: 2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .