Mitutoyo 500 171 30 4 Way Digital Caliper 0 in to 6 in 0 to 150 mm Range, ±0.001 in Accuracy, Cabled, 4 Way 1006239489 Water and Wastewater Minimum Operating Water and Wastewater Minimum Operating Temperature 50 Degrees F Bolt Hole Threading Threaded Maximum Operating Pressure 225 psi Maximum Off Center Angle 15 Degrees Expansion Joint Material EPDM Reinforcement Material Synthetic Fiber Maximum Vacuum Pressure 26 in Hg @ 72F Expansion Distance 3 8 in For Use On Pipe Application Gases Item Water Hose Hose Color Red Standards Lead Free Standard Under The Federal Safe Drinking Water Act Data Output The Mitutoyo 500 171 30 4 Way Digital Caliper offers precise measurements from 0 to 6 inches (0 to 150 mm) with an accuracy of ±0