Type OPTIWAVE 1540 KROHNE Regional directives Europe The device is currently compliant with European (EU) market rules Approval Without Housing Plastic (PVDF) IP rating IP66/IP67/IP68 Features or Options With display Language English Power supply Two wires Output 4 … 20mA- passive (HART) + Bluetooth® Cable entry M20x1.5 Cable gland Plastic cap Measuring range up to 15 m / 49.2 ft Accuracy ± 2 mm / ± 0.08” Process connection G 1 1/2″A (ISO 228-1) Process material PVDF Process pressure -1…5 bar / -14.5…72.5 psi Temperature Min -25°C (-13°F) … Max +70°C (+158°F) Cable length Without cable Adjustement : via SmartPhone Yes (Bluetooth® Enabled) Language English