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Elster Instromet TRZ2 User Manual

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Instruction Manual
Turbine Gas Meter and Quantometers
Type TRZ TRZ2 TRZ-IFS Q
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Elster Instromet TRZ2 Specifications

General IconGeneral
CategoryMeasuring Instruments
Nominal SizesDN50 - DN300
Temperature Range-40°C to +60°C
Housing MaterialStainless Steel
Measurement Range (Velocity)0.04 - 65 m/s
Accuracy±1% of reading
Operating Temperature Range-40°C to +60°C
Output SignalPulse
MaterialStainless Steel
Process ConnectionFlanged

Summary

Intended Use and Field of Application

Product Intended Use

Specifies intended use for calibratable and non-calibratable volumetric metering of flammable and non-flammable gases.

Product Not Intended Use

Lists gases for which the product is not intended, such as aggressive gases or oxygen.

Technical Data

Pulse Generators Specifications

Details technical specifications for LF and HF pulse generators, including voltage, current, and resistance.

Absolut ENCODER S1 Specifications

Lists technical specifications for the Absolut ENCODER S1, including digit rollers and safety class.

Operating Location Requirements

Installation and Connection

Safety Warning: Electrostatic Discharge

Warns against cleaning plastic covers with dry cloth due to electrostatic discharge risk.

Pre-installation Checks

Ensures protective caps are removed, meter/accessories inspected for damage, and completeness checked.

Pulse Generators

LF Pulse Generator Connection

Describes how LF pulse generators (Type IN-S) are connected to the counter cover for volume pulse output.

Pulse Generator Safety for Explosive Atmospheres

Warns that pulse generators are intrinsically safe and require compliant safety barriers for explosive atmospheres.

Temperature Measurement Points

Absolut Encoder S1

Encoder Connection to External Devices

Explains encoder suitability for connecting to external devices in potentially explosive atmospheres.

Encoder to Meter Connection

Provides instructions for connecting the Absolut ENCODER S1 unit to the meter's mechanical index drive.

Meter Installation and Encoder Connection

Commissioning Procedure

System Filling and Pressure Test

Guides on slowly filling the system to operating pressure, pressure rise limits, and conducting tightness tests.

Maintenance and Lubrication

Annex A: Pulse Generator ATEX Approvals

LF Pulse Generator Approvals

Lists ATEX approvals for LF pulse generators (IN-S, PCB E1, IN-W11) and their respective sensor designations.

HF Pulse Generator Approvals

Details ATEX approvals for HF pulse generators (A1 R, A1 S) and their associated inductive proximity switches.

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