FLOAT TYPE 6. Actuation Level Dimensions Type 1 Type 2 Actuation Levels*-Typical Actuation Levels*-Typical L4 L4 A A L3 L3 B LO L2 L2 LO C L1 C L1 D D * Actuation level distances and LO (overall unit length) are measured from inner surfaces of mounting plug or flange. See mounting types on page B-11 for LO reference point. ** Length Overall (LO) = L1 + Dimension D. See Mounting Types for Maximum Length values. Switch actuation levels are determined following the guidelines below. A = Minimum distance to highest actuation level. B = Minimum distance between actuation levels. C = Minimum distance between two actuation levels with one float (Note: One float for two levels can be used only when low level is N.C. dry and high level is N.O. dry). LEVEL SWITCHES - MULTI POINT B D = Minimum distance from end of unit to lowest level. Dimensions Float Type A Type 1 Mount Type 2 Mount Buna N Polysulfone 3/4˝ (19 mm), Min. 1/2˝ (13 mm), Min. 3/4˝ (19 mm) 1/2˝ (13 mm) B C D 1-3/4˝ (45 mm) 1-3/4˝ (45 mm) 1/8˝ (3 mm) Minimum 15/16˝ (24 mm) 1-3/16˝ (30 mm) Notes: 1. Actuation levels are calibrated on ascending fluid level with water, specific gravity 1.0, as the calibrating fluid, unless otherwise specified. 2. Tolerance on actuation levels is ±1/8˝ (3 mm). LS-350 Series / p3of4 / 3-APR-14 Visit www.GemsSensors.com for most current information. B-12http://www.GemsSensors.com