Bullseye level 21800

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Bullseye levels in frame, to screw on Material: Frame brass. Bullseye level body polyamide. Version: Nickel-plated and high-gloss polished. Note: Bubble levels are used as a type of zero indicator instrument for checking horizontal inclination in e.g. spirit levels, inclinometers, metrology instruments and machine constructions. These bullseye levels can either be screwed down using the three holes (Form A) or recessed (Form B). - Form A: calibrated to the ground bottom face - Form B: calibrated to the underside of the flange - Sensitivity in angular minutes for 2 mm bubble travel - Clear filling - Black contrast ring - White level base Temperature range: -35 °C up to +55 °C.