› DROs for EDM DROs for EDM DRO 10i for EDM Digital readouts for EDM and Grinders for 1 axis: Innova 10i E +info DRO 20i for EDM Digital readouts for EDM and Grinders for 2 axis: Innova 20i E +info DRO 30i for EDM Digital readouts for EDM and Grinders for 2 and 3 axis: Innova 30i E +info Characteristic differences between models: 10i E 20i E 30i E Display type LEDs LEDs 5.7" color TFT screen Number of axes 1 2 2 and 3 that may be set by parameter
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