KROHNE OPTIFLUX 4000 User Manual

Electromagnetic flow sensor
OPTIFLUX 4000
OPTIFLUX 4000OPTIFLUX 4000
OPTIFLUX 4000
Quick Start
Quick StartQuick Start
Quick Start
© KROHNE 10/2021 - 4003872405 - QS OPTIFLUX 4000 R08 en
The documentation is only complete when used in combination with the relevant
documentation for the signal converter.

KROHNE OPTIFLUX 4000 Specifications

General

Measurement Principle	Electromagnetic
Process Pressure	Up to 40 bar
Output Signal	4...20 mA, pulse, frequency
Power Supply	24 V DC
Protection Class	IP67
Material	Housing: Stainless steel; Lining: PTFE; Electrodes: Stainless steel, Hastelloy
Certifications	ATEX, IECEx, CSA, FM
Accuracy	±0.2% of measured value ±1 mm/s

Summary

Safety Instructions

Operator Safety Guidelines

Outlines essential safety instructions for personnel performing installation, assembly, and maintenance.

Installation Guide

General Installation Precautions

Covers essential precautions like space, environmental factors, and avoiding interference.

Environmental Factors: Vibrations & Magnetic Fields

Inlet and Outlet Straight Pipe Runs

Specifies the necessary straight pipe lengths for accurate flow measurement.

Pipe Bend Requirements

Details requirements for pipe bends upstream of the sensor to ensure flow profile.

Installation in Bending Pipes

Air Venting and Vacuum Management

Flange Alignment Tolerances

Specifies flange alignment tolerances to ensure proper sealing.

Recommended Mounting Orientations

Mounting and Assembly

Procedures and guidelines for mounting the flow sensor.

Bolt Tightening and Torque Specifications

Details the correct sequence and torque values for securing the flowmeter with bolts.

Operating Temperature Limits

Specifies the operating temperature ranges for the device and its converters.

Electrical Connections

Electrical Safety Precautions

Critical safety warnings and directives for electrical work on the device.

Device Grounding Procedures

Essential guidelines for properly grounding the device to prevent electric shock.