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Measurement & Control

Moisture

916-095 Rev. D

March 2015

VeriDri™

Moisture Transmitter

User’s Manual

Содержание VeriDri

Страница 1: ...GE Measurement Control Moisture 916 095 Rev D March 2015 VeriDri Moisture Transmitter User s Manual ...

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Страница 3: ...w ge mcs com 2015 General Electric Company All rights reserved Technical content subject to change without notice GE Measurement Control VeriDri Moisture Transmitter User s Manual 916 095 Rev D March 2015 ...

Страница 4: ...ii no content intended for this page ...

Страница 5: ...dards The user must make sure that he operates all auxiliary equipment in accordance with local codes standards regulations or laws applicable to safety WARNING Indicates a potentially hazardous situation which can result in serious personal injury or death if it is not avoided CAUTION Indicates a potentially hazardous situation which can result in minor or moderate injury to personnel or damage t...

Страница 6: ...es include safety glasses protective headgear safety shoes etc Unauthorized Operation Make sure that unauthorized personnel cannot gain access to the operation of the equipment WARNING It is the responsibility of the user to make sure all local county state and national codes regulations rules and laws related to safety and safe operating conditions are met for each installation WARNING Make sure ...

Страница 7: ...onment In order to avoid the dissemination of those substances in our environment and to diminish the pressure on the natural resources we encourage you to use the appropriate take back systems Those systems will reuse or recycle most of the materials of your end life equipment in a sound way The crossed out wheeled bin symbol invites you to use those systems If you need more information on the co...

Страница 8: ...Preface vi VeriDri User s Manual no content intended for this page ...

Страница 9: ...nections 6 5 Operating the Transmitter 8 5 1 Powering Up 8 5 2 Error Handling 8 6 Cleaning the Transmitter Probe 9 6 1 Removing the Transmitter 10 6 2 Soaking the Sensor and Shield 11 6 3 Evaluating the Probe 12 7 Specifications 13 7 1 General Specifications 13 7 2 Electronics 14 7 3 Mechanical Specifications 15 7 4 Moisture Sensor Specifications 16 ...

Страница 10: ...Contents viii VeriDri User s Manual no content intended for this page ...

Страница 11: ... moisture ranges from 0 to 10 000 PPMv The VeriDri is supplied with one 4 to 20 mA analog output that is factory configured for a specified range The VeriDri is easy to install operate and maintain This manual includes the following sections Sample System Guidelines on page 2 Inserting the Transmitter into the System on page 4 Making the Wiring Connections on page 6 Operating the Transmitter on pa...

Страница 12: ...iDri dimensions and other requirements Sample systems should be kept very simple The transmitter should be installed so it is perpendicular to the sample inlet The sample system should contain as few components as possible and all or most of those components should be located downstream from the measurement location If possible you should use stainless steel components for all wetted parts Sample ...

Страница 13: ...Operating Instructions VeriDri User s Manual 3 2 Sample System Guidelines cont Figure 1 Sample System Example Sample Cell Sample Inlet Sample Outlet Vent ...

Страница 14: ... from damaging elements in the process 2 The probe is mounted into the process via the 3 4 16 straight male thread located on the probe Thread the probe end of the transmitter into the process sample system fitting making sure not to cross thread it CAUTION If you are mounting the VeriDri directly into the process line you must consult GE for proper installation instructions and precautions before...

Страница 15: ...5 3 Inserting the Transmitter into the System cont 3 Using a 1 1 8 in wrench tighten the probe securely into the system using the probe hex nut CAUTION Do not apply force on the transmitter module to tighten the unit into its fitting Probe Hex Nut ...

Страница 16: ...en secure the connectors together by sliding the metal sleeve on the cable over the connectors and turning it clockwise until it is tight 2 Using the flying leads at the other end of the transmitter cable connect the transmitter to your power supply and data acquisition system DAS as shown in Figure 2 on page 7 Refer to Table 1 below for a description of the leads on the factory supplied cable 3 T...

Страница 17: ...iDri User s Manual 7 4 Making Wiring Connections cont Figure 2 Wiring Connections Power and Measurement Circuits 7 28 VDC 7 28 VDC Blue Brown Note The blue and brown leads also generate a current output equivalent to 4 to 20 mA ...

Страница 18: ...ed cleaning intervals If a problem should arise with the probe see Error Handling below for the transmitter reactions to various error conditions 5 1 Powering Up After the VeriDri is wired as described in the previous section you may apply power to the unit The transmitter takes approximately 20 seconds to initialize and begin normal operation The unit will meet specified accuracy in about 3 minut...

Страница 19: ...OT deionized water Rubber or latex gloves An oven set at 50 C 2 C 122 F 3 6 F for drying the probe A 1 1 8 in wrench Refer to the following sections to properly clean the probe CAUTION Be sure to perform the probe cleaning procedure in a well ventilated area Observe all necessary safety precautions when handling cleaning solvents CAUTION Make sure the containers are deep enough to submerge the pro...

Страница 20: ...ench unthread the transmitter from the fitting on the sample system process using the probe hex nut as indicated below 2 Record the dew point of the ambient air 3 Disconnect the cable from the transmitter module 4 Unscrew the stainless steel shield from the probe mount and carefully remove it without touching the sensor CAUTION Any attempt to open the module or remove the probe from the module wil...

Страница 21: ... shield has completed its cleaning cycle 5 Clean the shield by repeating steps 1 to 3 above To ensure the removal of any contaminants that may have become embedded in the porous walls of the shield swirl the shield in the solvents during the soaking procedures 6 Remove the shield from the hexane or toluene 7 Carefully replace the shield over the exposed sensor without touching the sensor 8 Place t...

Страница 22: ...f the new ambient air reading is within 2 C 3 6 F of the first reading the cleaned probe is properly calibrated and may be reinstalled If the two readings not within that tolerance proceed to step 3 below 3 If the probe is still not reading the ambient air accurately repeat the cleaning procedure using soaking times that are 5 times the previous cleaning sequence until two consecutive ambient air ...

Страница 23: ...nges 110o to 20 C 110o to 50 C 80o to 20 C 80o to 30 C 30o to 20 C 60o to 40 C 150o to 70 F 150o to 40 F 40o to 70 F 100o to 0 F 50o to 50 F 0o to 100 F 0 to 10 PPMv 0 to 100 PPMv 0 to 1000 PPMv 0 to 10 000 PPMv Note PPMv ranges are based on a constant pressure which was provided at the time of the order ...

Страница 24: ...ified accuracy in 3 minutes Calibrated Accuracy at 25 C 77 F 2 C 3 6 F from 65o to 10 C 85o to 50o F 3 C 5 4 F from 80o to 66 C 112o to 87oF Repeatability 0 5 C 0 9 F from 65o to 10 C 85o to 50oF 1 0 C 1 8 F from 80o to 66 C 112o to 87o F 7 2 Electronics Power Supply Voltage 7 to 28 VDC loop powered customer supplied Output 4 to 20 mA Output Resolution 0 01 mA Max Loop Resistance R 50 Ω PSV 7 wher...

Страница 25: ...Pressure 5 μm Hg to 5 000 psig 345 bar Enclosure Type 4X IP67 European Compliance See the EC Declaration of Conformity at the end of this manual Dimensions Overall 8 51 1 125 in 21 62 2 86 cm Electronics Module w cable 5 93 1 125 in 15 06 2 86 cm Weight 5 oz 140 g 3 4 16 UNF 2A 2 58 65 53 2 58 65 53 1 125 28 58 3 35 85 10 MIN CABLE BEND ALLOWANCE ...

Страница 26: ...calibrated against known moisture concentrations traceable to NIST Calibration Interval Factory sensor recalibration by GE Sensing is recommended every 6 12 months depending on the application Calibration Data Factory calibrated stored in FLASH memory Flow Rate Gases Static to 10 000 cm s linear velocity at a pressure of 1 atm Liquids Static to 10 cm s linear velocity at a density of 1 g cc ...

Страница 27: ... that the equipment was defective the warranty period is one year from delivery for electronic or mechanical failures one year from delivery for sensor shelf life If GE Sensing determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE Sensing the repairs are not covered under th...

Страница 28: ...ts you to send your instrument to a service center it must be shipped prepaid to the authorized repair station indicated in the shipping instructions 3 Upon receipt GE Sensing will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken If the damage is covered under the terms of the warranty the instrument will be repaired a...

Страница 29: ... 2 Industrial Locations EN 61326 2 3 2006 EN 60529 2001 IP67 following the provisions of the 2004 108 EC EMC Directive The unit listed above and any ancillary equipment supplied with it do not bear CE marking for the Pressure Equipment Directive as they are supplied in accordance with Article 3 Section 3 sound engineering practices and codes of good workmanship of the Pressure Equipment Directive ...

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Страница 32: ...cal content subject to change without notice 916 095 Rev D Customer Support Centers U S A The Boston Center 1100 Technology Park Drive Billerica MA 01821 U S A Tel 800 833 9438 toll free 978 437 1000 E mail sensing ge com Ireland Sensing House Shannon Free Zone East Shannon County Clare Ireland Tel 35 361 470200 E mail gesensingsnnservices ge com ...

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