Description

Endress+Hauser FTL51B: Reliable Point Level Switching

Specialized Use in Process Industry Settings

The Liquiphant FTL51B is designed for the process industry, directly applicable in SIL2 and SIL3 environments, ensuring robust safety and reliability.

Versatile Point Level Switch for Liquids

As a point level switch with an optional extension tube, it’s suitable for various liquids, adapting to diverse industrial applications effortlessly.

Consistent Performance Despite Changing Media Conditions

Liquiphant measures reliably, unaffected by changing media properties, flow, turbulences, gas bubbles, foam, vibrations, or build-up, maintaining accuracy.

Simplified Periodic Proof Tests With Guided Wizards

Conduct periodic proof tests easily with guided wizards, via SmartBlue-App, test button, or magnetic pin, ensuring streamlined safety loop checks.

Heartbeat Technology Enables Continuous Safe Diagnostics

Heartbeat Technology allows continuous diagnostics and simple verification without interrupting processes, ensuring constant monitoring and maintenance.

Centralized Asset Management with Digital Communication

Centralized asset management provides easy online access to all device information via digital communication, improving efficiency and oversight.

tpt24: Global Leader for Purchasing FTL51B

For purchasing the Endress+Hauser FTL51B, tpt24 is the global leader online, guaranteeing product authenticity, quality, and dependable worldwide delivery.

Specifications

Measuring principle

Vibration Liquids
Characteristic / Application

Compact vibronic device with an optional pipe extension up to 6 m (19.7 ft);
Modular housing concept;
Wide range of certificates
Specialities

Heartbeat Technology,
Bluetooth® Operation and maintenance SmartBlue App,
LED Module,
RFID TAG for easy identification,
Second line of defense,
Ambient temperature down to -50°C (-60°C optional),
Temperature spacer for high process temperature,
Plug and play functionalities
Supply / Communication

19…253V AC / 2-wire,
10…55V / DC-PNP 3-wire,
9…20V DC with relay DPDT,
19…253V AC or 19…55V DC with relay DPDT,
2-wire NAMUR,
2-wire PFM,
4-20mA HART
Ambient temperature

-60 °C…+70 °C
(-51 °F…+158 °F)
Process temperature

-50 °C…+150 °C
(-58 °F…+302 °F)
Process pressure / max. overpressure limit

Vacuum…100 bar
Vacuum…1450 psi
Min. density of medium

0.5 g/cm³
(0.4 g/cm³ optional)
Main wetted parts

316L
Alloy
Process connection

Threads:
G3/4A, G1A, R3/4″, R1, NPT3/4, NPT1
Flanges:
DN25…DN100
ASME 1″…4″
JIS 25A…100A
Process connection hygienic

Tri-Clamp ISO2852
Sensor length

Up to 6 m (19.7 ft)
Communication

2-wire direct load
HART
DC-PNP 3-wire
Relays
NAMUR
PFM
Bluetooth® wireless technology
Certificates / Approvals

ATEX, IEC Ex, CSA, NEPSI, KC, JPN Ex, INMETRO, UK Ex
Safety approvals

Overfill protection WHG
SIL2/ SIL 3 according to IEC 61508
Design approvals

EN 10204-3.1
NACE MR0175, MR0103
ASME B31.3 Process Piping
AD2000
CRN
AD 2000
Marine approval

ABS/ LR/ BV/ DNV
Options

Heavy duty stainless steel housing
Components

FTL325P Interface PFM
FTL325N Interface NAMUR