VeriDri - GE Measurement & Control
Contents
1. be completed 1 Notify GE Sensing Inc giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE Sensing Inc will issue a RETURN AUTHORIZATION NUMBER RAN and shipping instructions for the return of the instrument to a service center will be provided 2 If GE Sensing Inc instructs 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 Inc will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken fthe damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned e If GE Sensing Inc determines that the damage is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the instrument will be repaired and returned GE S DECLARATION ensing OF CONFORMITY We GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA declare under our sole responsibility that the VeriDri Moisture Transmitter to which this declaration relates is in conformity with the following standards e EN 61326 19982. readings contact the factory for assistance 12 VeriDri Moisture Transmitter January 2009 Specifications Moisture Ranges e 110 to 20 C e 110 to 50 C e 90 C to 10 C e 80 C to 30 C e 80 to 20 C e 30 to 20 C e 130 to 70 F e 130 to 40 F e 409 to 70 F e 50 to 50 F e 100 to O F Oto 10 PPMv e Oto 100 PPMv e 0 to 1000 PPMv e 0 to 10 000 PPMv Note PPMv ranges based on constant pressure provided at time of order placement Operating Temperature 40 to 60 C 40 to 140 F Storage Temperature 70 C 158 F maximum The probe should be stored with the plastic cover and desiccant packet threaded onto the probe Store in acool dry environment VeriDri Moisture Transmitter 13 January 2009 Warm up Time Meets specified accuracy in 3 minutes Calibrated Accuracy 77 F 25 C e 3 6 F 2 C from 85 F to 50 F 65 C to 10 C dew frost point e 5 4 F 43 C from 112 F to 86 F 80 C to 66 C dew frost point Repeatability e 0 9 F 0 5 C from 85 F to 50 F 65 C to 10 C dew frost point e 1 8 F 41 0 C from 112 F to 86 F 80 C to 66 C dew frost point Response Time Less than 5 seconds for 63 of a step change in moisture content in either wet up or dry down cycle Electronics Power Supply voltage 7 to 28 VDC loop powered customer supplied e Output 4 to 20 mA e Output Resolution 0 01 mA e Max
3. that will affect measurement Most common filters and pressure regulators are not suitable for sample systems because they have wetted parts that may absorb or release components such as moisture into the sample system They may also allow ambient contamination to enter the sample system 2 VeriDri Moisture Transmitter January 2009 Sample System Guidelines cont oe oe N Sample P f W Cell O N N NN r si Ie at maar 2 EN p S BAR 6 9 7 N aa A KU 5 o NA Sample Sample i ar Gites Inlet Figure 1 Example of a Sample System VeriDri Moisture Transmitter 3 January 2009 Inserting the Transmitter in the Sample System Process ICAUTION If you are mounting the VeriDri directly into the process line you must consult the factory for proper installation instructions and precautions before beginning the following procedure Use the steps below to install the VeriDri 1 Make sure the sintered or sheet stainless steel shield is in place The shield protects the aluminum oxide sensor from damaging elements in the process a rar 2 The probe is mounted into the process via the 3 4 16 straight male thread located on the pro
4. Class A Annex A Continuous Unmonitored Operation For EN 61000 4 3 the above units meet performance Criteria A and in a limited number of freguencies performance Criteria B per EN 61326 e EN 60529 1991 A1 2000 P67 following the provisions of the 2004 108 EC EMC Directive The units listed above and any ancillary sample handling systems supplied with them 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 97 23 EC for DN lt 25 5 2 A Aa January 8 2009 oyla Date of Issue Mr Gary Kozinski Certification amp Standards Lead Engineer M CE mm CERT DOC H1 August 2004 GE S DECLARATION ensing DE CONFORMITE Nous GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA d clarons comme tant de notre seule responsabilit que le Transmetteur d humidite VeriDri sur lequel porte ce document est conforme aux sp cifications suivantes e EN 61326 1998 Classe A Annexe A Fonctionnement continu sans surveillance Pour EN 61000 4 3 les appareils ci dessus sont conformes au crit re A de performance et dans un nombre limit de freguences au critere B de performance selon EN 61326 e EN 60529 1991 A1 2000 IP67 conformement aux dispositions de la directive 2004 108 EC compatibilite lectromagn tique Les appareils i
5. GE Sensing amp Inspection Technologies VeriDri Moisture Transmitter User s Manual GE Sensing amp Inspection Technologies VeriDri Moisture Transmitter C User s Manual 916 095B January 2009 January 2009 Table of Contents VEE ROISTON een ee 1 Sample System Guidelines n nuunuu nunana seta 2 Inserting the Transmitter in the Sample System Process 4 Making Wiring Connections eng 6 Operating the Transmitter ars aan 8 P werng Uorren e E Re en 8 ERROR FARO ee e a ee en 8 Cleaning the Transmitter Proben dee 9 Removing the Transmitten vssssaassssa massaa eee 10 Soaking the Sensor and Shield 11 Evaluating the Probe 2 Na sn 12 SPEEITIEALIORS a a ie 13 Moisture Ranges seen 13 Operating Temperature 13 Storage Temperature 13 Warm Up NING cs ct Paes RA Pist t kx 14 Calibrated Accuracy 77 F 252 Casi ee 14 REIT 8 13 emma topes ae tn ET ED aes me ee 14 Response Time 14 Bleetrones years 14 Mechanical enirere ete are et pn en eT rene Ne EOE 15 Moisture SENSOR orci coroner en 16 lii January 2009 Introduction The GE Sensing amp Inspection Technologies VeriDri is a low cost loop powered transmitter that provides accurate dew frost point measurements covering an overall range of 110 to 40 C 166 to 104 F It can also be provided to cover a nu
6. Loop R 50 Q x PSV 7 where PSV Power Supply Voltage Example Given a 24 VDC Power Supply Max Loop R 50 Q x 24 7 850 Q e Cable 2 m 6 ft standard consult factory for custom lengths 14 VeriDri Moisture Transmitter January 2009 Mechanical Sample Connection 3 4 in 16 mm 16 straight male thread with O ring G 1 2 in with optional adapter Operating Pressure 5 uHg to 5 000 psig 345 bar Enclosure Type 4X IP67 European Compliance Complies with the following EMC Directive 2004 108 EC and PED 97 23 EC for DN lt 25 e EN 61326 1998 Class A Annex A Continuous Unmonitored Operation For EN 61000 4 3 transmitter meets performance criteria A and in a number of frequencies criteria B per EN 61326 Dimensions e Overall 6 76 x 1 13 in 17 17 x 2 87 cm Electronics with cable 4 08 x 1 13 in diameter 10 36 x 2 87 cm e Weight 5 oz 140 grams E 3 4 16 UNF 2A 1 50 Minimal Cable Bend Allowance VeriDri Moisture Transmitter 15 January 2009 Moisture Sensor Sensor Type Thin film aluminum oxide moisture sensor probe Calibration Each sensor is individually computer calibrated against known moisture concentrations traceable to NIST Calibration Interval Sensor recalibration at GE Sensing is recommended every six to 12 months depending on application Calibration Data Factory calibrated stored in FLASH Flow Rate Gases Static to 10 000 c
7. be Thread the probe end of the transmitter into the process sample system fitting Make sure not to cross thread it 3 4 16 UNF 2A 4 VeriDri Moisture Transmitter January 2009 Inserting the Transmitter in the Sample System Process cont 3 Using a 1 1 8 in wrench tighten the probe securely into the process using the probe hex nut ICAUTION Do not apply force to the transmitter module to tighten the unit into its fitting Probe Hex Nut N me TE aeo o o ro VeriDri Moisture Transmitter 5 January 2009 Making Wiring Connections You must wire the transmitter using the factory supplied cable which is available in a variety of lengths Note If you need to lengthen cables refer to Table 1 below to splice an extension onto the existing cable Connect positive to positive and negative to negative Use the following steps to wire the transmitter to your system 1 Push the female connector end on the transmitter cable into the mating male connector on the transmitter module Make sure the pins are properly aligned Once inserted 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 acguisition system DAS as shown in F
8. distilled water for 10 minutes 3 Remove the sensor from the distilled water and soak it in the second clean container of hexane or toluene for 10 minutes 4 Remove the sensor from the hexane or toluene and set it aside until the shield has completed the cleaning cycle 5 Repeat steps 1 to 3 above to clean the shield 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 procedure 6 Remove the shield from the hexane or toluene 7 Carefully replace the shield over the exposed sensor without touching it 8 Place the sensor with the shield in an oven set at 50 C 2 C 122 F 3 6 F for 24 hours VeriDri Moisture Transmitter 11 January 2009 Evaluating the Probe 1 Re connect the cable to the transmitter module and measure the dew point Make sure you measure the same ambient air as measured in step 2 on page 10 2 Compare the two ambient air readings If 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 it is not 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 seguence until two consecutive ambient air readings are identical If the above cleaning procedure does not result in accurate
9. igure 2 on the next page Refer to Table 1 below for a description of the leads in the factory supplied cable Table 1 Cable Lead Descriptions Lead Color Connection Description Blue 7 to 28 VDC Brown 7 to 28 VDC Connect the shield to ground if desired The blue and brown leads also produce a current output eguivalent to 4 to 20 mA 3 Trim any unused leads back to the outer cable jacket in order to remove the bare tinned wire and prevent accidental short circuits The VeriDri is now ready for operation 6 VeriDri Moisture Transmitter January 2009 Making Wiring Connections cont VW 02 0 7 01 JUa DAINba 1Nd1No Juano D 310 13U36 osjo SPDa UMOJG puo anjq au SION Se DGA 82 1 se JUDUIDSINSPIN pup 13mog DGA 82 2 Figure 2 Wiring Connections VeriDri Moisture Transmitter January 2009 Operating the Transmitter After proper installation the VeriDri Transmitter is very easy to use simply power the unit up and you are ready to begin taking measurements Since the VeriDri stores moisture calibration data in non volatile FLASH memory you do not have to enter data manually or worry about losing data during a power loss Probes may need to be cleaned occasionally depending on the application Consult a GE Applications Engineer for reguired cleaning intervals If a problem should ari
10. m s linear velocity at a pressure of 1 atm e Liquids Static to 10 cm s linear velocity at density of 1 g cc 16 VeriDri Moisture Transmitter January 2009 Warranty Each instrument manufactured by GE Sensing Inc is warranted to be free from defects in material and workmanship Liability under this warranty is limited to restoring the instrument to normal operation or replacing the instrument at the sole discretion of GE Sensing Inc Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE Sensing Inc determines 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 Inc 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 Inc the repairs are not covered under this warranty The warranties set forth herein are exclusive and are in lieu of all other warranties whether statutory express or implied including warranties or merchantability and fitness for a particular purpose and warranties arising from course of dealing or usage or trade January 2009 Return Policy If a GE Sensing Inc instrument malfunctions within the warranty period the following procedure must
11. mber of 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 contains the following sections e Sample System Guidelines Inserting the Transmitter in the Sample System Process e Making Wiring Connections e Operating the Transmitter e Cleaning the Transmitter Probe e Specifications VeriDri Moisture Transmitter 1 January 2009 Sample System Guidelines You can install the VeriDri transmitter into a sample system or directly into the process GE recommends that the unit be installed in a sample system to protect the probe from coming into contact with damaging elements in the process Before constructing a sample system you should consult a GE Applications Engineer and adhere to the guidelines below See Figure 1 on the next page for an example of a sample system e Consult Specifications on page 13 for dimensions and other reguirements 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 of the measurement location e If possible you should use stainless steel material for all wetted parts Sample system components should not be made of any material
12. ndiqu s plus haut et tous les accessoires d chantillonnage fournis avec ne portent pas la marque CE pour la directive concernant les amp quipements de pression dans la mesure ou ils sont fournis conform ment l article 3 section 3 pratiques d ing nierie s res et codes de bienfacture de la directive concernant les amp quipements de pression 97 23 EC pour DN lt 25 A 4 Kakon 8 janvier 2009 hay Date d mission Mr Gary Kozinski Certification et normes ing nieur de fil M CE mm CERT DOC H1 August 2004 GE Sensing KONFORMIT TS ERKL RUNG Wir GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA erkl ren unter alleiniger Eigenverantwortlichkeit dass die Produkte VeriDri Feuchtigkeitsmesswandler auf das sich diese Deklaration bezieht die folgenden Normen erf llen e EN 61326 1998 Class A Annex A kontinuierlicher Uberwachungsfreier Betrieb F r EN 61000 4 3 erf llen die obigen Ger te die Leistungskriterien A und in bei einer begrenzten Anzahl von Frequenzen die Leistungskriterien Bgem EN 61326 e EN 60529 1991 A1 2000 P67 und dass sie die Anforderungen der EMC Direktive 2004 108 EC einhalten Die oben aufgef hrten Ger te und zugeh rige mitgelieferte Schallwandler Messrohre werden in einer separaten Konformit tserkl rung behandelt tragen keine CE Kennzeichnung gem der Druckger te Richtlinie da sie in bereinstimmung mit Artikel 3 Absatz 3 gute Inge
13. nieurpraxis der Druckger te Richtlinie 97 23 EG f r DN lt 25 geliefert werden 4 es Kona 8 Januar 2009 Au tellungsdatum Hr Gary Kozinski Bescheinigung und Normen Leitungsingenieur M CE mm CERT DOC H1 August 2004 USA 1100 Technology Park Drive Billerica MA 01821 4111 Web www gesensinginspection com Ireland Shannon Industrial Estate Shannon County Clare Ireland
14. or drying probe 1 1 8 in wrench Use the sections that follow to properly clean the probe VeriDri Moisture Transmitter 9 January 2009 Removing the Transmitter Use the following steps to remove the transmitter from the installation site Note Once the probe is cleaned it must dry in the oven for 24 hours 1 Using a 1 1 8 in wrench unthread the transmitter from the fitting on the sample system process using the probe hex nut as shown below Probe Hex Nut 2 Record the dew point of the ambient air 3 Disconnect the cable from the module 4 Unscrew the stainless steel shield from the probe mount and carefully remove it without touching the sensor ICAUTION Any attempt to open the module or remove the probe from the module will void the warranty Shield 10 VeriDri Moisture Transmitter January 2009 Soaking the Sensor and Shield ICAUTION Do not place the transmitter module into the solvents You should only insert the sensor portion of the transmitter into the solvents Also do not allow the sensor to come into contact with the surfaces of the cleaning containers or any other hard surface 1 Wearing gloves place the sensor in the first container of hexane or toluene and allow it to soak for 10 minutes 2 Remove the sensor from the hexane or toluene and soak it in the container of
15. se with the probe see Error Handling below for how the transmitter reacts to error conditions ICAUTION Any attempt to open the module or remove the sensor probe will void the warranty 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 3 minutes Error Handling In the event of an error condition the analog output reading is forced to the following values e gt 22 mA to indicate a shorted probe lt 3 5 mA to indicate an open probe 8 VeriDri Moisture Transmitter January 2009 Cleaning the Transmitter Probe ICAUTION Be sure to perform the probe cleaning procedure in a well ventilated area Observe all necessary safety precautions when handling cleaning solvents To clean the moisture probe you will need the following Three glass NOT metal containers containing the following solvents 2containers of approximately 300 ml of reagent grade hexane or toluene each container of approximately 300 ml of distilled NOT deionized water IMPORTANT Make sure the containers are deep enough to submerge the probe Do not place the transmitter module into the solvents You should only insert the sensor portion of the transmitter into the solvents Rubber or latex gloves e Oven set at 50 C 2 C 122 F 3 6 F f
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