Float level sensor

for liquidsfor corrosive liquidsfor aggressive liquids

Description
The TUBA 150 C is a tubular float level sensor designed for extremely aggressive liquids and high-temperature applications. It is supplied with a TEFLON/FEP cable and a PTFE-design housing (as stated in marketing materials). Its small diameter (Ø55 mm) enables installation through small tank wall openings.

Principle of operation
A ball inside a sealed cylinder actuates a microswitch according to its position. The cable contains three conductors (COM, NO, NC) allowing wiring for filling or emptying control. When used in pairs, units can regulate minimum and maximum levels.

Installation modes

• Ballasted on the cable
• Fixed to a vertical guide rod inside the tank
• Wall-mounted using a cable gland

Advantages

• Economic
• Ecologic
• Reliable
• Waterproof (sealed)
• Chemical resistant

Technical specifications

• Switching angle: +/- 20°
• Allowed fluid density: 0.75 to 1.50
• Electrical ratings: 24–250 VAC/DC, max 60 VA
• Cut out power: Max. 1 A, 60 VA
• Housing material: PVDF (noted in some datasheets) / PTFE (marketing)
• Cable: 3 x 0.22 mm² PTFE
• Weight: 80 g
• Dimensions: Height 130 mm — Diameter 55 mm
• Ballast: none (standard)
• Cable length options: 5, 10, 15, 20, 25 m

Notes from product sheet

• Commercial text indicates resistance up to 150 °C, while some technical tables specify a maximum of 85 °C. Verify temperature rating for your application.
• Enclosure material is variously reported as PTFE, PVDF and polypropylene copolymer across documents; confirm the exact material with the manufacturer.
• Some sources list different operating angles, densities, weights and cable types. Consult the detailed technical datasheet before specification and installation.