Standard_Parts_Catalogue

Page 319 | 1.4 Adjusting, Positioning, Locking with and without Position Indication GN 2278 Bull´s Eye Spirit Levels for Insertion into Bore Holes 1 Material / Finish 2 d 1 3 Filling 4 Sensitivity How to order 1 2 3 4 GN2278-ALS-25-K-30 4 Sensitivity 30 Angle minutes, bubble move by 2 mm 2 d 1 d 2 d 3 −0,2 h 1 h 2 20 12 18 10  8 25 14 20 12  9 30 20 28 13 10 Bull´s eye spirit levels GN 2278 are used to check the horizontal position of jigs, machines, devices, appliances and instruments. The housing is grooved at its lower diameter d 3 , making it easier to mount in place, e.g. by gluing. The spirit levels are aligned in relation to the reference or contact surface, so that the bubble is located inside the marking ring once the horizontal position of the contact surface is reached. see also... • General Information on Bull´s Eye, Screw-On and Cross Spirit Levels → Page 315 • Bull´s Eye Spirits Levels GN 2281 (for Installation in Plates and Housings) → Page 322 • Bull´s Eye Spirit Levels GN 2279 (for Surface Mounting) → Page 320 • Bull´s Eye Spirit Levels GN 2280 (Adjustable) → Page 321 • Screw-On Spirit Levels GN 2282 (for Mounting with Screws) → Page 323 Information • Housing Aluminum Anodized, natural color ALN Anodized, black ALS • Spirit level element Glass plastic body Filling Colorless-transparent K • Casting compound Mineral-based • RoHS Specification 1 3 • Filling, green-transparent • Other sensitivities • Housing in brass or stainless steel On request