GESTRA NRGT 26-2s User Manual

Name: GESTRA NRGT 26-2s
Brand: GESTRA
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56 pages

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Original Installation &

Operating Manual

English

Level Transmitter

NRGT 26-2

NRGT 26-2s

819876-00

Table of Contents2
Content of this Manual4
Scope of Delivery/Product Package4
How to Use this Manual5
Illustrations and Symbols Used5
Hazard Symbols in this Manual5
Types of Warning6
Specialist Terms/Abbreviations7
Usage for the Intended Purpose8
- Applicable Directives and Standards8
- Admissible System Components, Dependent on the Required Safety Level9
Improper Use9
Basic Safety Notes10
Required Personnel Qualifications11
Notes on Product Liability11
Functional Safety, Safety Integrity Level (SIL)12
- Check the Secure Current Output Regularly12
Reliability Data to en 6150813
Function14
Technical Data16
Name Plate/Identification of NRGT 26-219
Name Plate/Identification of NRGT 26-2S20
Factory Settings21
Overall View of the NRGT 26-222
Overall View of the NRGT 26-2S23
Dimensions of the NRGT 26-224
Dimensions of the NRGT 26-2S25
Preparing for Installation26
Installation27
- Installing the NRGT 26-228
- Sealing Surface Dimensions of the NRG 26-228
- Example28
- Installing Two Level Electrodes in a Flange29
- Installing the NRGT 26-2S29
Installation Example with Dimensions for the NRGT 26-230
Positioning the Terminal Box35
Functional Elements of the NRGT 26-2 / NRGT 26-2S36
Electrical Connection37
- Notes on Electrical Connection37
- Connecting the 24V DC Power Supply37
- Connecting the Actual Value Output (4 - 20 Ma)37
- Pin Assignment of the M12 Connector for Non Pre-Wired Control Cables37
Bringing into Service38
- Changing the Factory Settings if Necessary38
- Calibration at the Lower Limit of the Active Measuring Range "CAL.L" (0 % Calibration Value)40
- Independent Rapid Calibration at a Water Level of > 25 % of the Active Measuring Range "CAL.P41
- Calibration at the Upper Limit of the Active Measuring Range "CAL.H" (100 % Calibration Value)41
- Setting the Filter Constant "Filt41
- Manually Initiating a Display Test42
- Checking the Level Display by Raising or Reducing the Level42
- Checking the Safety Function by Initiating a Test Function42
Starting, Operation and Testing43
System Malfunctions46
- Causes46
- Indication of System Malfunctions Using Fault Codes47
- Common Application and Usage Errors49
- Checking Installation and Function51
Taking out of Service52
Cleaning the Measuring Electrode of the Level Transmitter53
- Cleaning Interval53
Disposal53
Returning Decontaminated Equipment53
EU Declaration of Conformity54

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GESTRA NRGT 26-2s Specifications

General

Brand	GESTRA
Model	NRGT 26-2s
Category	Transmitter
Language	English

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GESTRA NRGT 26-2s User Manual

Table of Contents

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GESTRA NRGT 26-2s Specifications

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