Field Instruments

General

Liquiphant FTL31 is a point level switch for liquids. The FTL31 is designed for industrial applications in all industries, mainly the machinery industry. The Liquiphant is used for overfill protection or pump dry-run protection in cleaning systems. The IO-Link capability allows easy parameter setting.

Compact:

• Smallest vibronic sensor in the market

Safe:

• Continuous self-monitoring
• Reliable switching independent of media properties

Easy:

• - No calibration
• - Plug & play
• - IO-Link connectivity

Point level switch in compact design with stainless steel housing.

• Process connections: Threads
• Temperature: -40 to +150°C (-40 to +302°F)
• Pressure: -1 to +40bar (-14.5 to 580psi)
• Surface roughness: 3.2µm
• Overfill protection and leakage detection WHG, marine approvals, final inspection report

Features

• Designed according to highest requirements to quality and environmental sustainability. The self-monitoring Liquiphant offers safe switching also in case of power supply loss.
• Independent of changing media properties an accurate switching point is offered. IO-Link reduces costs and complexity due to easy configuration of the devices via engineering tools
• A real plug & play sensor is offered without any need for adjustment even with changing media. Measurement is unaffected by conductivity, build-up, turbulence, flows or air bubbles
• No calibration is required, no specific know-how or tools (e.g. software) necessary
• Robust design made of stainless steel (316L) assures highest durability
• A modular design offers different process temperatures and the widest variety of process connections and accessories in the market to fit every application
• No mechanically moved parts, free of maintenance

Specifications

• Make: Endress+Hauser
• Model: FTL31-AA4U2AAW5J
• Point level detector
• Media: liquid
• Output: PNP/3-wire
• Process connection: G 3/4 (316L)
• Medium density: > 0.7 g/cm³
• Power supply: 10–30 V DC
• Process temperature range: -40–100 °C
• Process pressure range: -1–40 bar
• Enclosure material: stainless steel (316L)
• Protection rating: IP65
• Connection: M16 valve connector ISO4400

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