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Bedienungsanleitung Teledyne 212R

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  • Teledyne 212R - page 1

    Teledyne Analytical Instruments 1 Thermal Conductivity Analyzer Model 212R I NSTR UCTION M ANU AL M ODEL 212R T HERMAL C ONDUCTIVITY A NAL YZER HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS MONITORING SYSTEM. PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM. HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONE ...

  • Teledyne 212R - page 2

    Teledyne Analytical Instruments 2 Thermal Conductivity Analyzer Model 212R All Rights Reserved. No part of this manual may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any other language or computer language in whole or in part, in any form or by any means, whether it be electronic, mechanical, magnetic, ...

  • Teledyne 212R - page 3

    Teledyne Analytical Instruments 3 Thermal Conductivity Analyzer Model 212R T ab le of Contents 1 Introduction 1.1 Method of Analysis ....................................................... 5 1. 2 Sensitivity .................................................................... 6 1. 3 Stability ........................................................ ...

  • Teledyne 212R - page 4

    Teledyne Analytical Instruments 4 Thermal Conductivity Analyzer Model 212R 4. 3 Standardization ............................................................ 16 5 P eriodic Maintenance 5. 1 Heater F an ................................................................... 17 6 T roubleshooting 6. 1 Preliminary .......................................... ...

  • Teledyne 212R - page 5

    Teledyne Analytical Instruments 5 Thermal Conductivity Analyzer Model 212R 1 . INTRODUCTION 1.1 Method of Analysis. The Model 212R compares the thermal conductivity of a sample gas to that of a fixed composition reference gas and produces an electrical output signal that is calibrated to represent the difference between the two gases. Due to the no ...

  • Teledyne 212R - page 6

    Teledyne Analytical Instruments 6 Thermal Conductivity Analyzer Model 212R 1.2 Sensitivity. Differences in thermal conductivity that produce a measuring bridge error signal of 0.25 microvolts will be sensed by the analyzer. 1.3 Stability. Internal variables, other than the sample gas, that could produce variations in the output signal are carefully ...

  • Teledyne 212R - page 7

    Teledyne Analytical Instruments 7 Thermal Conductivity Analyzer Model 212R panel, are located immediately behind a hinged front access door. The analyzer is suitable for installation in a sheltered non-hazardous area. A recording and/or indicating device will be required to transduce the electrical output signal into readable information. 2 . INSTA ...

  • Teledyne 212R - page 8

    Teledyne Analytical Instruments 8 Thermal Conductivity Analyzer Model 212R IMPORTANT: The foam lining the interior of the analyzer is an integral part of the environmental temperature control system. Removal or destruction of this lining will result in erratic instrument perfor- mance. 2.2.1 Primary Power. A source of single phase, 105 to 125 volt, ...

  • Teledyne 212R - page 9

    Teledyne Analytical Instruments 9 Thermal Conductivity Analyzer Model 212R Run the cable attached to the transformer unit in through the access hole that is equipped with the cable clamp and terminate it as specified on the interconnection diagram. 2.2.4. Completion and Inspection. After the electrical connections have been completed, slide any exc ...

  • Teledyne 212R - page 10

    Teledyne Analytical Instruments 10 Thermal Conductivity Analyzer Model 212R cause a large fluctuation in output signal. For best results, use electropolished SS tubing Note #4 : Because of the diffusion of air through composition materials, only dual stage SS regulators with metallic diaphragms should be used in conjunction with the sample and supp ...

  • Teledyne 212R - page 11

    Teledyne Analytical Instruments 11 Thermal Conductivity Analyzer Model 212R 2.3.4 Installation of Cylinder Supplies. The reference and standard gas cylinders should be installed as close to the analyzer as possible. Each cylinder should be provided with a dual stage, metallic diaphragm, pressure reducing regulator. When installing the regulators, c ...

  • Teledyne 212R - page 12

    Teledyne Analytical Instruments 12 Thermal Conductivity Analyzer Model 212R 2.3.7 Vent Lines. The sample path, reference path, and an integral bypass system vent from separate ports at the rear of the analyzer. Wherever possible, TAI recommends that the gases be permitted to vent directly to the atmosphere. If it is necessary to carry these gases t ...

  • Teledyne 212R - page 13

    Teledyne Analytical Instruments 13 Thermal Conductivity Analyzer Model 212R 4. Determine what the sample pressure is and set the output pressure of the cylinder gas supplies to agree with the sample pressure. This procedure, although not absolutely necessary, will minimize flow adjustments when the sample path is switched to the various inputs. 5. ...

  • Teledyne 212R - page 14

    Teledyne Analytical Instruments 14 Thermal Conductivity Analyzer Model 212R After the analyzer stabilizes adjust the "ZERO" control until the recorder indicates the impurity concentration of the zero gas composition. Be sure that the range switch is on position #1 and that the sample path flowrate is 0.3 scfh. NOTE if the"ZERO" ...

  • Teledyne 212R - page 15

    Teledyne Analytical Instruments 15 Thermal Conductivity Analyzer Model 212R virtually instantaneous. Recovery is a function of how long it takes to purge the sampling system upstream from the cell. Accelerating the sample path flowrate will speed the response. NOTE: TAI recommends that some bypass flow be permitted at all times. The bypass throttle ...

  • Teledyne 212R - page 16

    Teledyne Analytical Instruments 16 Thermal Conductivity Analyzer Model 212R The reference and sample flowrates should be checked daily. The instru- ment is somewhat flow sensitive. Operating on Range #1 a change in flowrate of 0.1 scfh will cause a corresponding change in sensitivity of from 1 to 20% of scale. On the coarser ranges, the change in s ...

  • Teledyne 212R - page 17

    Teledyne Analytical Instruments 17 Thermal Conductivity Analyzer Model 212R Due to the delicate balance of the thermal conductivity cell employed in the analyzer, exposure to the atmosphere in an uncontrolled temperature environ- ment is undesirable. After extended shutdown periods many days of operation may be required for the analyzer to re-stabi ...

  • Teledyne 212R - page 18

    Teledyne Analytical Instruments 18 Thermal Conductivity Analyzer Model 212R Check to see that both the analyzer and recorder are being furnished electrical power. Check to see that the analyzer and recorder fuses are intact. Check all electrical connections outside of the analyzer. 6.1.2 Sampling System Checks. Be sure that there is an adequate sup ...

  • Teledyne 212R - page 19

    Teledyne Analytical Instruments 19 Thermal Conductivity Analyzer Model 212R 6.2.1 Dynamic Balance Procedure. The measuring bridge circuit (see schematic) incorporates two 10 turn potentiometers that are utilized to compensate for minute differences in the resistive and reactive properties of the hot wire elements and the center tapped secondary of ...

  • Teledyne 212R - page 20

    Teledyne Analytical Instruments 20 Thermal Conductivity Analyzer Model 212R 5) Using a screwdriver that has a shaft diameter of 1/8” and a shaft length of at least 6”, turn the “Reactive” balance adjustment all the way counterclockwise (CCW) until the potentiometer stop point is reached. Turn the adjustment back clockwise (CW) 5 full turns ...

  • Teledyne 212R - page 21

    Teledyne Analytical Instruments 21 Thermal Conductivity Analyzer Model 212R or incorrect instrument installation. The following conditions can produce an erratic output from the analyzer: 1) Installation in an area that is subject to large changes in ambient temperature, direct sunlight, drafts from wind, blowers, or air condi- tioners. Any of the ...

  • Teledyne 212R - page 22

    Teledyne Analytical Instruments 22 Thermal Conductivity Analyzer Model 212R Check as previously stated, the analyzers entire sampling system has been checked under pressure with a leak detector. However, if the external system checks out and the instrument is displaying a large diurnal or uni- directional drift, the interior sampling system should ...

  • Teledyne 212R - page 23

    Teledyne Analytical Instruments 23 Thermal Conductivity Analyzer Model 212R tom must be evident with zero gas flowing. If this symptom is displayed only when the sample is flowing, the problem is related to one (or more) of the five (5) points outlined in section 7.3. To check the temperature control circuit, use the following procedures: 1 ) With ...

  • Teledyne 212R - page 24

    Teledyne Analytical Instruments 24 Thermal Conductivity Analyzer Model 212R CAUTION: Do not touch the thermistor probe with the iron. The end of the probe is tied and taped to the sample tubing below the cell cover. If the meter reading suddenly drops to zero, remove the soldering iron immediately. After the area around the thermistor cools, the vo ...

  • Teledyne 212R - page 25

    Teledyne Analytical Instruments 25 Thermal Conductivity Analyzer Model 212R 7. 2 Output Signal: Output coincides with 100% analysis. 4 m A = 0 ppm N 2 in H 2 20mA = 50,000 ppm N 2 in H 2 - Range #1 = 5000 ppm N 2 in H 2 - Range #2 = 500 ppm N 2 in H 2 - Range #3 7.3 Span Setting: 555 7.4 Recommended Accessory Gases. H 2 Purity Zero Gas 99.999 H 2 P ...

  • Teledyne 212R - page 26

    Teledyne Analytical Instruments 26 Thermal Conductivity Analyzer Model 212R 7.4.3 Span Gas. Containing an equivalent impurity. Again, the span gas must be procured from a supplier who will certify its composition. The range switch must be in range 3 when the span gas is introduced. IMPORTANT: The accuracy of the analysis is directly related to the ...

  • Teledyne 212R - page 27

    Teledyne Analytical Instruments 27 Thermal Conductivity Analyzer Model 212R Orders should be sent to: TELEDYNE Analytical Instruments 16830 Chestnut Street City of Industry, CA 91749-1580 Phone (626) 934-1500, Fax (626) 961-2538 TWX (910) 584-1887 TDYANYL COID Web: www.teledyne-ai.com or your local representative. Drawing List B-73356 Outline Diagr ...

  • Teledyne 212R - page 28

    Teledyne Analytical Instruments 28 Thermal Conductivity Analyzer Model 212R APPENDIX Specifications : Ranges: Three decade ranges: Minimum Full scale(ppm) 20 ppm Hydrogen balance Argon 25 ppm Hydrogen balance Nitrogen, Air 100 ppm Nitrogen balance Argon, Helium 100 ppm Helium balance Air 150 ppm Nitrogen, Carbon Monoxide balance Hydrogen 200 ppm Ox ...

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1. Einführung und Hinweise, wie man sich in einer Bedienungsanleitung von Teledyne 212R bewegt - Am Anfang jeder Bedienungsanleitung sollten wir Hinweise bezüglich der Nutzungsart eines bestimmten Ratgebers finden. In ihr sollten sich Informationen über die Lokalisierung des Inhaltsverzeichnisses von Teledyne 212R befinden, FAQ oder über oft auftretende Probleme – also Stellen, die von den Benutzern in jeder Bedienungsanleitung am meisten gesucht werden
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3. Ratschläge zur Nutzung der Grundfunktionen des Geräts Teledyne 212R - die uns die ersten Schritte während der Nutzung von Teledyne 212R erleichtern sollten
4. Troubleshooting - geordneter Tätigkeitslauf, der uns bei der Diagnose und als nächstes bei der Lösung wichtiger Probleme mit Teledyne 212R hilft
5. FAQ - häufig gestellte Fragen
6. Kontaktdaten Informationen darüber, wo man Kontakt zum Produzenten / Service von Teledyne 212R im bestimmten Land suchen kann, wenn es nicht gelingt, das Problem selbst zu lösen.

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