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GESTRA NRGT 26-2 User Manual

GESTRA NRGT 26-2
56 pages
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Original Installation &
Operating Manual
EN
English
Level Transmitter
NRGT 26-2
NRGT 26-2s
819876-00

Table of Contents

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GESTRA NRGT 26-2 Specifications

General IconGeneral
BrandGESTRA
ModelNRGT 26-2
CategoryTransmitter
LanguageEnglish

Summary

Hazard Symbols in Manual

Hazardous Situation Symbols

Describes hazard symbols indicating dangerous situations or zones.

Types of Warning Messages

DANGER Warning Details

Details warnings for hazardous situations that could result in death or serious injury.

WARNING Message Details

Details warnings for hazardous situations that may result in death or serious injury.

CAUTION Message Details

Details warnings for hazardous situations that may result in minor or moderate injury.

ATTENTION Message Details

Details warnings for hazardous situations that may result in damage to property or the environment.

Improper Use Warnings

Explosion Risk in Explosive Atmospheres

Warning about explosion risk in potentially explosive atmospheres.

Prohibition of Equipment without Nameplate

Warning against using equipment without a proper nameplate.

Fundamental Safety Precautions

Scalding Danger During Electrode Removal

Warns of scalding danger when removing the level electrode under pressure.

Burn Risk from Hot Electrodes

Warns of burn risk from hot level electrodes during maintenance.

Electric Shock Hazard During Work

Warns of electric shock risk when working on electrical systems.

Steam/Water Escape from Faulty Electrodes

Warns of danger from hot steam/water escape due to faulty electrodes.

Unauthorized Repair Safety Risk

Warns that unauthorized repairs can compromise plant safety.

Functional Safety and SIL

Operational Behavior and Settings

Measuring Range Adaptation Procedure

Explains how to adapt the measuring range during commissioning.

Parameter and Factory Setting Changes

Details how to set parameters and modify factory configurations.

Device Identification - NRGT 26-2

Device Identification - NRGT 26-2s

Factory Configuration Settings

Installation Preparation

Installation Procedures and Safety

Installation Safety - DANGER

Critical safety warning regarding scalding danger during installation.

Installation Safety - WARNING

Critical safety warning about burn hazards from hot electrodes during installation.

Installation Malfunction - ATTENTION

Warning about potential malfunctions due to incorrect installation.

Installation Steps (Part 1)

NRGT 26-2 Installation Guide

Step-by-step guide for installing the NRGT 26-2 model.

Installation Steps (Part 2)

NRGT 26-2s Installation Guide

Step-by-step guide for installing the NRGT 26-2s model.

Installation Diagram Key and Warnings

Terminal Box Rotation Warning

Critical warning about potential damage from rotating the terminal box improperly.

Electrical Connections

Electrical Connection Notes

Important notes regarding the electrical connection of the device.

Connecting 24V DC Power Supply

Instructions for connecting the 24V DC power supply to the transmitter.

Connecting Analogue Output (4-20mA)

Details on how to connect the 4-20 mA analogue output.

M12 Connector Pin Assignment

Pin assignment details for the M12 connector when using non-pre-wired cables.

Commissioning Procedures (Part 1)

Pre-Commissioning Checks

Pre-commissioning check of the level transmitter's connection.

Switching on Supply Voltage

The step to switch on the supply voltage during commissioning.

Factory Setting Adjustments

Instructions for modifying factory settings if required.

First-Time Commissioning Notes

Important notes for the initial commissioning of the device.

Commissioning Procedures (Part 2)

Parameter Selection Guide

Step-by-step guide on selecting and setting parameters on the device.

Calibration Procedures (Part 1)

Calibration Best Practices

Notes and best practices for calibrating the level transmitter.

Lower Limit Calibration (CAL.L)

Procedure for calibrating the lower limit (0%) of the measuring range.

Calibration Procedures (Part 2)

Rapid Calibration at 25% Level (CAL.P)

Procedure for independent rapid calibration at a specific water level (> 25%).

Testing and Verification

Operation and Indicators

Operating States and Malfunctions (Part 1)

Operating States and Malfunctions (Part 2)

Faulty Equipment Safety Hazard Warning

Warning that faulty equipment compromises system safety.

System Malfunctions and Troubleshooting (Part 1)

4-20mA Loop Circuit Warning

Critical warning about open circuits in the 4-20 mA current loop.

System Malfunctions and Troubleshooting (Part 2)

System Malfunctions and Troubleshooting (Part 3)

Application and Usage Error Resolution

Specific Malfunction Troubleshooting

Post-Malfunction Checks

Taking the Unit Out of Service

Service Removal Safety - DANGER

Critical safety warning regarding scalding danger when taking the unit out of service.

Service Removal Safety - WARNING

Critical safety warning about burn hazards from hot electrodes during removal.

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