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LEYBOLD THERMOVAC TTR 91 R User Manual

LEYBOLD THERMOVAC TTR 91 R
24 pages
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1 300710168_002_C1 - 01/2018 - © Leybold
THERMOVAC Transmitter
TTR 91 R
Operating Manual 300710168_002_C1
Part Number:
230049V01
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LEYBOLD THERMOVAC TTR 91 R Specifications

General IconGeneral
Supply Voltage15 to 30 V DC
Output Signal0 to 10 V DC
Process ConnectionDN 16 ISO-KF
Housing MaterialStainless steel
Sensor TypePirani
Accuracy+/- 15% of reading
Measurement PrincipleThermal conductivity

Summary

Safety Information

Symbols Used

Defines safety symbols and their meanings within the manual.

Personnel Qualifications

Specifies the required technical training and experience for users.

General Safety Information

Provides overarching safety guidelines and precautions for installation and operation.

Liability and Warranty

Details manufacturer's liability and warranty conditions, voiding clauses.

Unpacking

Product Description

Technical Data

Lists detailed specifications, dimensions, electrical, and material properties.

Accessories and Replacement Part Numbers

Enlists compatible accessories, cables, and spare parts with their part numbers.

Calibration Service

Outlines the availability and process of calibration services for Leybold gauges.

Mechanical Installation

Electrical Installation

Recommended Electrical Connections

Provides specific wiring diagrams and pinout details for optimal electrical setup.

Operation

Pressure Measurement

Explains pressure reading, output voltage scaling, and conversion formulae.

Gas Dependency

Details how different gases affect pressure readings and provides correction factors.

Set-Point Adjustment

Guides on configuring and using the set-point output for process control.

Error Monitoring

Covers error detection, status LED indications, and error voltage outputs.

Bakeout

Instructions for preparing the device for high-temperature bakeout to achieve lower base pressure.

Maintenance

Atmosphere and Vacuum Adjustment

Explains drift and the need for recalibrating atmosphere and vacuum settings.

Atmosphere Adjustment

Step-by-step guide for calibrating the gauge at atmospheric pressure.

Vacuum Adjustment

Steps for adjusting the gauge to read correctly at low vacuum pressures.

Remote Adjustment

How to perform atmosphere and vacuum adjustments using an external switch.

Adjustment for New Tube

Procedure for recalibrating the gauge after replacing the sensor tube.

Replace the Gauge Tube

Instructions for safely removing and fitting a replacement sensor tube.

FAQ and Troubleshooting

Storage and Disposal

Declaration of Contamination

EU Declaration of Conformity

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