- Vertical level indicators with external aluminium guard, standard center-to-center distance 300-400-500 mm; consult our technical office for custom length. - Polyamide PA 66 black end caps, transparent Polycarbonate tube; behind the tube is a graduated contrast screen for a visual check of the fluid level. - Aluminium guard can be turned 90 degrees where necessary for side viewing - Zinc plated M12 bolts and nuts (available on request in Stainless steel AISI 303), Buna seals 70 durometer; Max tighnening torque suggested = 5 Nm (3.7 ft lbs). - Suggested for applications with mineral oils, hydraulic fluids, diesel and fluid containing glycole. Avoid contact with gasoline, hydrocarbons and solvents (contact our technical office for compatibilty with other chemical agents). - The mounting can be made externally by providing 2 threaded holes M12 on the center-to-center distance, (tolerance ±0,5 mm) or they can be secured internally through 2 plain holes 12,2 MM ±0,2), using the flanged nuts. - Max working temperature 80°C/176 F (with hydraulic fluid), max pressure suggested 1 bar/14,5 PSI (for use on pressure tanks contact our technical office). - Max temperature electrical sensor (80°C). Zinc plated bolts M12 with sensor built-in (IP65 protection degree), temperature of intervention 80°C/176 F, with DIN swivel connector. - Standard executions: XLV-ST-NO (electical contact normally open) – XLV-ST-NC (electrical contact normally closed).