E3 Modulevel liquid level transmitter

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E3 Modulevel® liquid level transmitter

The Digital E3 Modulevel® is an advanced, intrinsically safe two-wire instrument utilizing simple buoyancy principle to detect and convert liquid level changes into a stable output signal. The linkage between the level sensing element and output electronics provides a simple mechanical design and construction. The vertical in-line design of the transmitter results in low instrument weight and simplified installation. The instrument comes in a variety of configurations and pressure ratings for varied applications.

The Digital E3 MODULEVEL transmitter has microprocessor-based electronics with HART® compatible output, in addition to the standard 4-20 mA output. The E3 MODULEVEL unit supports the FDT/DTM standard and a PACTware™ PC software package allows for additional configuration and trending capabilities.

Displacer transmitter

Technology

Electronic displacer level transmitter technology operates by detecting changes in buoyancy force caused by liquid level change. These forces act upon the spring supported displacer causing vertical motion of the core within a linear variable differential transformer.

SIL Certified, SFF value of 90.6%
No calibration required; configuration only
Available with 4–20 mA and HART® 6.x with PACTware™ PC software and the Field Device Tool (FDT); AMS ready
Foundation fieldbus™ option with PID block and Link Active Scheduler (LAS) capability
Comprehensive diagnostics with faults, warnings and status history
Range spring suppresses effects of turbulence to produce stable output signal
Suitable for process pressures up to 5150 psig (355 bar)
For use in process temperatures up to +850° F (+450° C) in non-steam applications
Explosion-proof, intrinsically-safe and non-incendive approvals from FM, CSA, ATEX and IEC
Specific gravity adjustment without stopping process
Transmitter head rotatable through 360° and removable without interruption of process
Suitable for interface measurement and density detection
Electromagnetic compatibility per CE requirement EN 61326
Shock and vibration suitable per ANSI/ISA-S71.03 Class SA1 and VC2

Options

PACTware PC software
Flanged top, cage side/bottom and cage side/side designs
Integral or remote mount
Process connections from 1 1/2″ to 6″
ASME flanges rated from 150# to 2500# RF
FM/CSA XP, IS and NI approvals / ATEX/IEC XP and IS approvals
Consult factory for B31.1/B31.3/NACE construction

Chemical

Catalysis vessels
Distillation columns
Distillation towers
Heat Recovery Steam Generator (HRSG) – Power/Utilities
Reboiler
Reflux drum
Scrubber vessels

Common applications

Level: Lubrication oils & hydraulic fluids

Crude oil

Crude dehydration
Crude desalting
Crude Dewatering
Crude stabilization – degassing
Gun-barrel separators
Horizontal separators
Process & Field storage tanks
Production Fluid Storage
Vapor recovery unit
Wellstream separation

Natural gas

Compressor Scrubber
Compressor Waste Liquid
Flare Knock-out Drum
Natural gas separators
NGL recovery & Storage
Separators
Sour gas treatment
Sulfur Recovery
Vapor recovery unit

Nuclear power

Turbine steam generators

Petroleum refining

Catalysis vessels
Catalytic crackers
Catalytic strippers
Crude desalting
Crude Dewatering
Distillation columns
Distillation towers
Gun-barrel separators
Horizontal separators
Hydrocracking
Hydrodesulfurization
Isomerization
Reboiler
Solvent extraction

Power generation

Boiler blowdown tanks
Condensate receiver tanks
Condenser hotwells
Deaerators
Demineralization tanks
Feedwater heaters
Heat Recovery Steam Generator (HRSG) – Power/Utilities
Reboiler
Reflux drum
Steam drums for power generation
Water services

Pulp & paper

Chlorine Dioxide Generators
Condensate receiver tanks
Mill water storage

Renewable energy

Biofuel
Biogas
Geothermal
Solar

Water & wastewater

Water services
Water storage tanks

Changing buoyancy forces caused by liquid level change act upon the spring-supported displacer causing vertical motion of the core within a linear variable differential transformer.

As the core position changes with liquid level, voltages are induced across the secondary windings of the LVDT. These signals are processed in the electronic circuitry and used to control the current in the 4-20 mA current loop. The enclosing tube acts as a static isolation barrier between the LVDT and the process media.

ATEX	Ex d, Ex ia
CCOE	Ex d
CSA	XP, IS, NI
FM	XP, IS, NI
EAC (GOST)	Ex d, Ex ia, Metrology
IEC	Ex d, Ex ia
Inmetro	Ex d, Ex ia
Korea	EX d, Ex ia
NEPSI	CPA
SIL	SIL 2 (1oo1)
Marine	Lloyd’s Register of Shipping (LRS)

Other approvals are available.

Features

SIL Certified, SFF value of 90.6%
No calibration required; configuration only
Available with 4–20 mA and HART® 6.x with PACTware™ PC software and the Field Device Tool (FDT); AMS ready
Foundation fieldbus™ option with PID block and Link Active Scheduler (LAS) capability
Comprehensive diagnostics with faults, warnings and status history
Range spring suppresses effects of turbulence to produce stable output signal
Suitable for process pressures up to 5150 psig (355 bar)
For use in process temperatures up to +850° F (+450° C) in non-steam applications
Explosion-proof, intrinsically-safe and non-incendive approvals from FM, CSA, ATEX and IEC
Specific gravity adjustment without stopping process
Transmitter head rotatable through 360° and removable without interruption of process
Suitable for interface measurement and density detection
Electromagnetic compatibility per CE requirement EN 61326
Shock and vibration suitable per ANSI/ISA-S71.03 Class SA1 and VC2