... 1.5", 2", 2.5", 3", 3.5", 4", 6" 2)Connection size: 1/8" 1/4" 1/2" 3)CE ... as commercial and industrial equipments.CASE SIZES:1.5", 2", 2.5", 3.5", 4", 4.5", and 6 ... as commercial and industrial equipments.CASE SIZES:1.5", 2", 2.5", 3.5", 4", 4.5", and 6 ... 2-1-2%)OPTIONS&ACCESSORIES:Custom dial, metric scale, DIN 2.5%,1% accuracy, recalibrators,restrictors, special connections and more. Back Connection ...