1735 Operators Manual
Contents
1. Etech CONTROLS rv 110 Water Vapour Transmitter Model 1735 Operators Manual September 2015 TABLE OF CONTENTS 1 IMPORTANT NOTCE S a il croacia MU DES a ete eue 3 T LCAUTIONS A Ay set td een A A ai i e teres a AE a nd ma rene ne a 3 122 WARNING SYMBOLS a A Ent A Sone a a ee St 4 2 INTRODUCTION a dune on sado E E 5 2 1 DRYER MODES OF OPERATION ueccccccccececeecececeseceaueesececeeeeuaeaueesseeeeeuseaueeseseceeeeuauaueeseeeeeeeseaueasadeeeeueuaeaneeseeeeess 5 22 1735 TRANSMITTER HARDWARE iii ia 7 33 DEVICE SPEGIFIGATIONS vii 0 aida 9 3 4 HARDWARE SPECIFICATIONS z 230252 20022082 pvsacccncuncedstvsnccubonbcdddssvsncvcndustgcnvtusheccboubtuadesusaavendasadedutustivensussgedens 9 3 2 OPERATIONAL SP CIFICATIONS 25 2052228 li ne Ne Dane da da den A iii 10 3 2 1 Scaling of Analog Outputs Channel 1 and Channel 2 10 3 2 2 Local Display of Process Variables 10 4 DISPLAY AND KEY PAD aae a e su ceueuoncageurasacedesogeancacasacedgeoudaguu cages and Sects vasucceews dactuecasucedentscas 11 41 RUN MODE DISPLAVE 2 ia man 11 4 2 TOP LINE DIS PLA A a aa aloe aa A eda edad os Fa awe ava Ti 12 43 EN ae 13 4 3 1 Keypad in Aun MOOG iio 13 4 3 2 Keypad in the Setup Menu isi iets Sas nas dave nai payne fat mane ete 14 4 3 3 Transmitter Information SCOCN a aA A a a a raTa 15 5 SETUP MENU erre nn naaras aeaa a aada A eaaa Eare aaa Seada E ada aa aaae aaaea aaa a apaa E anksia aane 17 5 1 SETUP MENU FUNCTION S2. 4 3 1 Keypad in Run Mode After the transmitter is powered on and has completed the initial startup procedure it will enter the Run Mode In this mode the top line of the display will show the selected units of humidity from probe 1 The other button functions are SETUP RUN By pressing this button once from Run Mode the transmitter will enter the Setup Menu system In the Setup Menu the function of each of the buttons is reassigned Pressing the SETUP RUN button a second time while in the Setup Menu will return the transmitter to the Run Mode If the transmitter is left idle in the Setup Menu for more than 60 seconds it will automatically return to Run Mode DISPLAY A DISPLAY V The display buttons are used to scroll the lower line up and down through the variety of measurements that are available on the lower line For a complete list of options see Chapter 5 3 2 Lower Line ltems ALARM If there is either a new alarm or an active alarm the ALARM A button can be pressed to examine the alarm status The Alarm Light will be flashing if there is a new alarm or steady if there is an existing alarm see Chapter 6 Alarms The Setup Light will flash slowly to show that the transmitter is now in the alarm display mode ALARM V When the transmitter is displaying active alarms the ALARM A button has been pressed the ALARM A button and ALARM V button allow the operator to examine the date time of the alarm and the date time that th
3. RUN i Return to Run Mode DISPLAY FUNCTION A DISPLAY FUNCTION V E Last alarm ALARM OPTION A ALARM OPTION V ALARM ACCEPT ENTER E Acknowledge alarm Gas 1 PURGE 1 SENS IMP pe GAS 2 PURGE 2 AUTO CAL SO This button is not used in the Alarm Display Mode When the Alarm Mode has been entered the Setup Light flashes once a second The transmitter will return to Run Mode if the SETUP RUN button is pressed a second time or after 60 seconds of keypad inactivity All relays have fail safe alarm contacts That is When the transmitter is powered off the contacts are open circuit When the transmitter is powered on but there are no alarms the contacts will be closed When there is a current unaccepted alarm event the contacts will be open circuit When there is a current accepted alarm event the state of the contacts will depend on the selection in the Commissioning Menu 56 See chapter 7 2 26 Accepted Alarm Relay Hold All alarms drive the alarm light on the front door The light will be off if there are no alarms current The light will flash if there is a current alarm that has not been acknowledged The light will be on steady if there are current alarm s that have not been cleared The light will flash faster as more alarms occur September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTARE rin 21 6 1 Checking and Accepting an Alarm Alarm Description O POWER WATER V
4. 2 digits after the decimal 0 100 to 0 999 0 3 digits after the decimal lt 0 100ppm scientific notation x 10 The item selected to be shown on the top line will be removed from the list of lower line items Process alarm level thresholds are scaled based on the prime humidity measurement displayed on the top line See Chapter 5 3 6 and 5 3 7 for information on Process Alarms Operators Manual Etech September 2015 12 SE 1735 Water Vapour Transmitter 4 3 Keypad There are 8 buttons built into the label on front panel of the 1735 Transmitter The button functions are written in BLACK and WHITE to identify the function of the button in either Run Mode or the Setup Menu system Setup Light ea Alarm Light Cal Purge Lights Mo Mo 0 FUNCTION OPTION amp ALARM SENS IMP AUTO CA ACCEPT D EN OPTION 6 YO YO Button Text Run Mode white text Setup Menu black blue text 1 SETUP RUN Enter Setup Menu Return to Run Mode 2 DISPLAY FUNCTION A DISPLAY NEXT LOWER LINE ITEM NEXT FUNCTION 3 DISPLAY FUNCTION V Display last Lower line Item Previous function 4 ALARM OPTION A Next alarm Next increment option 5 ALARM OPTION V Previous alarm Previous decrement option 6 ALARM ACCEPT ENTER Acknowledge displayed alarm Save current option 7 GAS 1 PURGE 1 SENS IMP Gas APIs manual Check Probe impedance ecg CAE activate Gas 2 Purge 2 manual Manually perform device deis activate calibration
5. CAUTION 5 The heater is supplied from the mains power directly and the temperature is controlled at 720 C 1330 F The outside of the process end of the probe can get to temperatures that are dangerous to touch Wear insulating gloves when handling a probe that has been on September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTARE rin 3 1 2 Warning Symbols Danger high voltage Risk of electrical shock Caution hot surface Caution risk of danger See additional information in the manual Operators Manual Etech September 2015 4 CONTROLS ras 1735 Water Vapour Transmitter 2 INTRODUCTION The Novatech 1735 Water Vapour Transmitter is designed for measuring water vapour in drying and baking applications where the drying temperature is above the maximum limit of conventional relative humidity sensors which are limited to 130 150 C or a more robust sensor is preferred The transmitter signal can be used with a conventional controller to improve the efficiency of industrial drying or baking applications as well as to optimise the quality of the product being dried or baked 2 1 Dryer Modes of Operation There are several methods that the 1735 Water Vapour Transmitter can use to calculate water vapour 1231 oxygen Second probe probe RGS temp Mode Option in Commissioning Menu 4 installed installed sensor 1 Indirect Fired Single Zone Yes No No 2 Indirect Fi
6. and the cleared time Alarm log mode that keeps the time the alarm occurred the acceptance time and the time the alarm was cleared for the last 4 000 alarms Power Universal mains supply voltage 100 to 240VAC Automatic detection of mains voltage and frequency and set the power control accordingly September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTARE rin 7 This page has been intentionally left blank Operators Manual 8 Etech CONTROLS en uo September 2015 1735 Water Vapour Transmitter 3 DEVICE SPECIFICATIONS 3 1 Hardware Specifications Number of Oxygen Probes 1 or2 Water Vapour Range 0 to 100 Dew Point Range 50 to 100 C Mixing Ratio Range 0 to 10 000 g kg Specific Humidity Range 0 to 1 000 g kg Relative Humidity Range 0 to 100 Absolute Humidity Rate 0 to 1 000g m Oxygen Range 1 x 10 to 100 Oxygen Accuracy 1 of actual measured oxygen value with a repeatability of 0 5 of the measured value Thermocouple Types Type K and J Temperature Accuracy 2 C Analog Outputs 0 20mA or 4 20mA field selectable Active Outputs WARNING DO NOT LOOP POWER OUTPUTS Use only passive receivers for commissioning and testing The use of loop powered receivers will damage the output Output Load 1000 ohm max Alarm Relays 4 Alarm Relay Contacts 2A 240VAC 2A 30VDC Reinforced insulation when used with mains voltage WARNING Do not use both mains voltage and low voltage
7. by 0 1 oxygen If in any doubt about the correct offset value set it to 0 OmV The function Probe 2 Offset will only appear if the transmitter has been configured for 2 oxygen probes 5 3 2 Lower Line Items DO POWER WATER VAPOUR TRANSMITTER 03 Lower Line Items Probe 1 EMF Enabled Setup Menu This function allows the operator to change the items that are available to be displayed on the lower line of the transmitter in Run Mode If the word Enabled appears on the display for a selected lower line option the measurement will be available to be shown on the display in the Run Mode by scrolling through the list using the DISPLAY A and DISPLAY V buttons Each individual lower line measurement can be enabled or disabled by pressing the ENTER button OPTIONS Water Vapour External Dry Oxygen Dew Point Flue Pressure Mixing Ratio Runtime Specific Humidity Service Date Ambient Temperature Probe 1 2 Temperature RGS Sensor Temperature Probe 1 2 EMF Ambient Relative Humidity Probe 1 2 Impedance Dryer Temperature Probe 1 2 Oxygen Relative Humidity Analog Output 1 2 4 20mA Absolute Humidity The items with the asterisk are made available on the lower line when not selected for the top line Operators Manual Etech September 2015 18 CONTROLS ELE 1735 Water Vapour Transmitter 5 3 4 Oxygen Damping o POWER WATER VAPOUR TRANSMITTER Options No Damping 04 oxygen Damping 2 10 Seconds in 1 second incremen
8. connections to adjacent alarm contacts Mains Voltage Supply 100 to 240VAC 50 60 Hz Reinforced insulation Overvoltage Category II IEC60364 4 443 Power 5 Watts for controller plus probe power 530W max 25 duty cycle each probe on 240VAC 110W max 100 duty cycle each probe on 110VAC 576W 2 4A max Environmental Rating Operating Temperature 25 C to 55 C Relative Humidity 5 to 95 non condensing Altitude 2000m Maximum Degree of Protection IP65 IP54 with internal reference air pump Case Size 315mm 12 4 wide 190mm 7 5 high 110mm 4 3 deep Case Weight 3 Kg 6 6 lbs September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTRARRE rim 9 WARNING All signal level connections onto the transmitter must be treated as safety extra low voltage SELV as defined in the standard IEC61140 Double insulation must be used when connecting these terminals to systems that might carry high voltage 3 2 Operational Specifications 3 2 1 Scaling of Analog Outputs Channel 1 and Channel 2 Function Min Range Max Range Water Vapour 20 0 to 100 Dew Point 20 C 50 to 100 C Mixing Ratio 200g Kg 0 to 10 000g kg Specific Humidity 50g Kg 0 to 1 000g kg LE A ET UI T gt Probe 1 Oxygen 1 0 0 0 to 25 0 Probe 2 Oxygen 1 0 0 0 to 25 0 No Output Probe 2 Oxygen is only available if the second oxygen probe is enabled Output Channel 2 is independently isolated and separately sca
9. have the format shown below The operations of the buttons are now the operations written in WHITE on the keypad The menu name is written at the bottom of the display 2 While in the Setup Menu the required function can be selected by using the FUNCTION A and FUNCTION V buttons The options available for that function can be seen by using the OPTION A and OPTION V buttons 3 When the required option is on the display press the ENTER button to save that value When finished press the SETUP RUN button to return to the Run Mode September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTARE rin 17 5 3 Setup Menu Functions 5 3 1 Probe 1 Offset OT WATER VAPOUR TRANSMITTER Options 6 0mV in 0 1mV increments 01 Probe 1 Offset Default 0 0mV 0 0 mV Setup Menu Each Novatech oxygen probe has an offset calibration value printed on a tag that is attached to the probe when it is dispatched To achieve the most accurate measurement of oxygen the offset value must be entered into this setup function with the same polarity as it is printed on the label For a healthy probe the offset value should be within 1 0mV NOTE An offset of 1 0mV will change the oxygen reading by approximately 1 oxygen when the probe is in ambient air However as the process oxygen measurement drops this offset will have a diminishing effect At a process gas oxygen concentration of 2 the 1 0mV offset error will only change the reading
10. 1200 F a Probe 1 2 Heater Fail alarm will occur There will be a flashing T symbol on the bottom left hand corner of the display until the temperature of the probe s is above 650 C 1200 F NOTE The Probe 1 2 Temperature Low function is also used with unheated probes to show that the probe temperature is below 650 C 1200 F when the process temperature falls below this level 29 Cal 1 in Progress 30 Cal 2 in Progress A calibration check is occurring either manual or automatic mode 31 Purge 1 in Progress 32 Purge 2 in Progress A probe purge is occurring either manual or automatic mode September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTHOES rim 25 This page has been intentionally left blank Operators Manual 26 Etech CONTROLS en uo September 2015 1735 Water Vapour Transmitter 7 GAS CALIBRATE AND PURGE The Novatech oxygen sensor that is used in the Novatech oxygen probe is extremely predictable stable and reliable For this reason the calibration of a Novatech oxygen system does not require the use of calibration gases However all Novatech oxygen probes have a built in gas connection that does allow the accuracy of the probe to be checked or the probe filter is fitted to be purged This chapter describes the operation of this gas checking and purging system For further details see the 1735 Technical Manual The 1735 has a tim
11. APOUR TRANSMITTER Time title Time Activated Probe 2 TC Open Ct Time Activated Time Accepted Time Cleared 08 Mar 2006 03 45 29 Status Active Time of the event Alarm Status Active Accepted Self Cleared When a new alarm occurs either a process alarm or an alarm that will appear in the common alarm list the Alarm Light will flash quickly The more new alarms there are the faster the light will flash To check the cause of the alarm 1 wm 5 6 Press the ALARM A button This will put the transmitter into the current alarm mode The Setup Light will flash The alarm screen will appear displaying the cause of the alarm on the top line Press the ALARM ACCEPT button to accept the alarm Press the OPTION A button to see the next active alarm or the OPTION V button to see the previous active alarm When all the new alarms have been ACCEPTED the Alarm Light will stop flashing Accept each alarm and then press the SETUP RUN button to return to the Run Mode 6 1 1 Current Alarms To view the alarms that are still current press the ALARM A button from the Run Mode and then use the ALARM A and ALARM V buttons to view all alarms Use the DISPLAY A and DISPLAY V buttons to view the Time Activated and the Time Accepted of each alarm 6 1 2 Alarm Log The alarm log keeps a record of the alarm events after the cause of the alarm has been cleared It will hold a record of up to 4000 alarm events and w
12. DC calibration Oz Oxygen T flashing One or more oxygen probes is MR Mixing Ratio Z S Lowerline secondary process variable below operating temperature 650 C 1200 F SH Specific Humidity The Transmitter is performing a Probe Impedance Check Indicates that the Transmitter is currently performing Spike Suppression September 2015 Etech Operators Manual 1735 Water Vapour Transmitter ii 11 In Setup Menu the display is replaced with an interactive menu driven interface While in the Setup Menu all other functions of the transmitter including reading inputs calculation of process variables checking of alarm conditions and retransmitting will continue to operate as normal 4 2 Top Line Display The top line of the display shows the Prime Humidity Measurement in large writing The units are selectable from the following Zone 1 items Process Variable Display format Water Vapour WV 4 Dew Point DP C F er a SR CS Mixing Ratio MR g Kg or Kg Kg Specific Humidity SH g Kg The selection is made in the Commissioning Menu which is not covered in this manual Refer to the 1735 Technical Manual If oxygen is selected for the top line the transmitter will show the oxygen in format between 100 down to 0 1 Below of this range the oxygen will be shown in scientific format Range Display format 30 0 to 100 0 1 digit after the decimal 1 00 to 29 99 _ HH
13. Purge and Gas check Number of mode probes Gas option Automatic Pressing the GAS 1 PURGE 1 button will start the timed gas check cycle on solenoid 1 to probe 1 Pressing the GAS 2 PURGE 2 button will start the timed filter purge cycle on solenoid 2 to probe 1 Automatic Gas 1 amp Gas 2 Pressing the GAS 1 PURGE 1 button will start the timed gas check cycle on solenoid 1 to probe 1 Pressing the GAS 2 PURGE 2 button will start the timed gas check cycle on solenoid 2 to probe 1 Automatic Pressing the GAS 1 PURGE 1 button will start the timed filter purge cycle on solenoid 1 to probe 1 Pressing the GAS 2 PURGE 2 button will start the timed filter purge cycle on solenoid 2 to probe 2 Automatic Gas 1 amp Gas 2 Pressing the GAS 1 PURGE 1 button will start the timed gas check cycle on solenoid 1 to probe 1 Pressing the GAS 2 PURGE 2 button will start the timed gas check cycle on solenoid 2 to probe 2 Manual Pressing the GAS 1 PURGE 1 button will turn on solenoid 1 to purge probe 1 for as long as the button is pressed Pressing the GAS 2 PURGE 2 button will turn on solenoid 2 to purge probe 1 for as long as the button is pressed Manual Gas 1 amp Gas 2 Pressing the GAS 1 PURGE 1 button will turn on solenoid 1 to pass calibration gas to probe 1 for as long as the button is pressed Pressing the GAS 2 PURGE 2 button will turn on solenoid 2 to pass calibration gas to probe 1 for as long as t
14. SETUP button is pressed again or after 60 seconds of keypad inactivity 5 1 Setup Menu Function Summary When the transmitter is in the Setup Menu the SETUP light will be lit The following table shows the Setup Menu menu functions Menu Function Description Range Default Value 01 Probe 1 Offset 6 0mV 0 0mV 02 Probe 2 Offset 6 0mV 0 0mV 03 Lower Line Items Refer to Chapter 5 3 2 Lower Line Items 04 Oxygen Damping No Damping to 5 Minutes 5 seconds 05 Spike Suppression Disabled to 5 minutes Disabled 06 Spike Trip Level 5mV to 100mV 10mV 5 2 Setup Menu Display indi Function Name eorne WATER VAPOUR TRANSMITTER Function Number 01 ee robe se Selected Option sani 0 0 m Activity Indicator A Autocal active Verification that the selected option has been saved Menu name A Setup Menu Z Probe impedance check active 5 3 Changing Menu Options The purpose of having an interactive Setup Menu is to allow for configuration of the transmitter using the graphical display and keypad Once an option is changed and entered using the ENTER button that value immediately becomes active The device configuration and calibration is stored into the non volatile memory and will be retained permanently even if the device does not have power To change an option in the Setup Menu system 1 Enter the Setup Menu by pressing the SETUP RUN button once The Setup Light will come on and the display will
15. UMMARY ccccececcceseeeseeeececeesceaeeeeececceeeueeaueeseseseseseaueasesseeeeeeaeauaaseeeeeseeaneneess 17 5 2 SETUP MENWIDIS PLAY 28 2 tent sn aiii 17 5 3 GHANGING MENUIORTIONS a acid 17 5 3 SETUP MENU VFUNCTIONS ves 2252282008 een oc net a eine en onde den t een tant tee ee sad 18 DOT POD MOS RATES PR A oN tee SN A aE E TR neat ne 18 592 LOWER LING A a CR LEE nn one 18 5 3 4 Oxygen Dambing seen une rune donne nus ria adi nn nent rente Dana de dev etes ii 19 5 3 5 Spike SUPOIOSSION 5 sn one A A ai Eada a a Tiaia aeaa 19 5 3 6 Spike Trip Level un rte AA EL A A AAA 20 6 ALARMS cias 21 6 1 CHECKING AND ACCEPTING AN ALARM 00c0c0ccccccceeeeececcceceeeaeeeeeeceeeeeceaueeseseseeeeuaueuseseeeeseuaeaueaseeseeeseeananeess 22 O24 I CUENCA ANS abund 22 BLAR OG vita io ia pta a o taa titi 22 6 2ACARMIRELAYS un tacto da 23 6 3 COMMON ALARMS a ra a a e ees aae ra a a a a ia aa a ara a ra faaea aa Saaana 23 6 4 SELECTABLE PROCESS ALARMS ccccccccceecececceeeeceeeeeseceseeeeuaueaeesseceseuueaueeseeeeeueuauaasesseeeesuseaueaseeseeeeeeananeess 24 6 5 WARNING MESSAGES cccccccccceeccccceecceeeecceeaueeceeseusueeeuauseeuaueuseeuauaeeeeaaseeuauaaceeeausueueeauseesaueaeeeeaaeuseeanseeeaa 25 7 GAS CALIBRATE AND PURGE ccccccsscscesscccccsssssseseeececennnseseeeeeceonansneeseeseucensanssseseeuaeaeananessessenseosanes 27 7 1 ACTIONS THAT OCCUR WHEN THE GAS SOLENOID BUTTONS ARE PRESSED ess 28 8 INDEX AAA vsdvesenndensst
16. ativecanadeudesscebusuedadstassasesudcaesdsitaueddendeasdouussssisvasaaddauiadchsstvassiadatddadveteds 29 Copyright NOVATECH CONTROLS PTY LTD 2015 Edition September 2015 This manual describes the transmitter firmware version 1 26 September 2015 Neither the whole nor any part of the information contained in or the product described in this manual may be adapted or reproduced in any material form except with the prior written approval of Novatech Controls Pty Ltd Novatech The product described in this manual and products for use with it are subject to continuous developments and improvement All information of a technical nature and particulars of the product and its use including the information in this manual are given by Novatech in good faith However it is acknowledged that there may be errors or omissions in this manual A list of details of any amendments or revisions to this manual can be obtained upon request from Novatech Controls Technical Enquiries Novatech Controls welcome comments and suggestions relating to the product and this manual All correspondence should be addressed to Technical Enquiries Novatech Controls Pty Ltd 309 Reserve Road Tel 61 3 9585 2833 Cheltenham Fax 61 3 9585 2844 Victoria 3192 Email info novatech com au Australia Web site http www novatech com au Novatech Controls or their authorised dealers should carry out all maintenance and service on the product Novatech Controls
17. between the wet process gas in the dryer and the cooled process gas By measuring the process gas temperature the water vapour percentage of the process can be calculated 5 Directly Heated Dryers and Ovens Single Probe Differential Measurement Using Extracted and Refrigerated Process Gas Used in a system where a single in situ oxygen probe is used to calculate water vapour by simultaneously extracting process gas from the dryer and actively refrigerating this to OC to produce a reference gas The same as the previous method this reference gas is used in place of ambient air as the oxygen probe reference gas to measure the difference in oxygen concentration between the wet process gas in the dryer and the cooled process gas By cooling to a known temperature a separate temperature sensor is not required and by knowing the water vapour concentration in the reference gas it is possible to calculate the water vapour in the dryer 6 Directly Heated Dryers and Ovens Two Oxygen Sensors to Measure Wet And Dry Oxygen Concentration The recommend method for measuring water vapour where dryers or ovens use direct fired combustion Because the combustion oxygen can vary two oxygen sensors are required to calculate water vapour In this mode the transmitter uses an in situ 1231 oxygen probe to measure the wet gas oxygen level in the dryer and a second RGS 17 Reference Gas Sensor to read the dry gas The dry measurement of oxygen in the dryer or oven is
18. can accept no liability whatsoever for any loss or damage caused by service or maintenance by unauthorised personnel This manual is intended only to assist the reader in the use of the product and therefore Novatech Controls shall not be liable for any loss or damage whatsoever arising from the use of any information or particulars in or any error or omission in this manual or any incorrect use of the product Operators Manual Etech September 2015 2 nn SSNS 1735 Water Vapour Transmitter 1 IMPORTANT NOTICES This manual is a shortened version of the 1735 Water Vapour Transmitter product manual to be used by the operator It does not cover the commissioning calibration or servicing of the 1735 Water Vapour If more detailed information is required than what is provided in this manual please refer to the more detailed 1735 Water Vapour Transmitter Technical Manual Both manuals are supplied with each transmitter and are also available to download at the Novatech Controls website http www novatech com au 1735 It is assumed in this manual that the transmitter has been installed by qualified personal and that the wiring to the main power supply the oxygen probe and all the associated signal devices comply with the local safety codes and regulations 1 1 Cautions Please read the safety information below before connecting power to the transmitter CAUTION 1 The probe heater is supplied with MAINS VOLTAGE This supply has electrical
19. e alarm was acknowledged September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTACES rim 13 ALARM ACCEPT Press this button to acknowledge the currently displayed alarm Refer to Chapter 6 Alarms GAS 1 PURGE 1 GAS 2 PURGE 2 These two buttons are used to turn on the gas purge solenoids When the transmitter is in the manual cal purge mode Commissioning Menu function 22 31 the solenoid will be activated for as long as the button is pressed When the transmitter is in the auto cal purge mode the automatic cal purge cycle is started The cycle can be stopped by pressing the same button again See chapter 7 Gas Calibrate and Purge 4 3 2 Keypad in the Setup Menu From Run Mode if the SETUP RUN button is pressed once the transmitter will display the Setup Menu For information about accessing the Commissioning Menu or Calibration Menu see the 1735 Technical Manual The following functions are then available in the Setup Menu SETUP RUN Pressing this button while in the Setup Menu will return the transmitter to the Run Mode FUNCTION A FUNCTION V These two buttons allow the selection of the Setup Menu function A function summary table is found at the start of Chapter 5 1 Setup Menu OPTION A OPTION V These two buttons allow for modifying the option for the selected function A list range of options for each function is found in Chapter 5 3 ENTER This button applies updates the currently dis
20. e assumed as a fixed value and entered into the transmitter during commissioning The water vapour percentage is measured by gravimetric methods to calculate the correct initial setting September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTARE rin 5 NOTE The next two methods for calculating water vapour utilize gas extracted from the dryer which is conditioned and used as the reference gas for the oxygen probe While these two methods reduce the number of oxygen probes required to obtain a water vapour measurement in a direct fired application the process of extracting gas requires sampling and conditioning equipment additional to the 1735 Transmitter It is not recommended that process gas be used as reference gas for the 1231 in situ oxygen probe unless it has been cleaned of any process related residue otherwise it may adversely affect the accuracy of readings and significantly reduce the operational life of the probe 4 Directly Heated Dryers and Ovens Single Probe Differential Measurement Using Extracted and Ambient Cooled Process Gas Used in a system where a single in situ oxygen probe is used to calculate water vapour by simultaneously extracting process gas from the dryer and cooling this to ambient temperature to produce a cool but saturated reference gas This cooled gas is used in place of ambient air as the oxygen probe reference gas allowing the probe to measure the difference in oxygen concentration
21. er and solenoid driving system that can be configured to admit a certified calibration gas into the probe or an air supply to purge the probe filters through the gas connection Both the calibration gas and the filter purge gas must be piped to the port on the probe labelled CAL PURGE There are two solenoids drivers in the 1735 transmitter They can be used for a variety of combinations of gas checking and probe purging functions The available options depend on the way that the transmitter has been configured Single Probe Configuration Solenoid 1 should be connected to calibration gas and Gas 1 amp Purge 2 Solenoid 2 should be connected to the purge gas Solenoid 1 should be connected to calibration gas 1 and PATE ees Solenoid 2 should be connected to calibration gas 2 Dual Probe Configuration Solenoid 1 should be connected to the purge gas on probe 1 and ds Solenoid 2 should be connected to the purge gas on probe 2 Solenoid 1 should be connected to calibration gas 1 and e Lee Solenoid 2 should be connected to calibration gas 2 The transmitter can also be configured to be in a MANUAL or AUTOMATIC purge and gas check mode The information on configuring the transmitter is contained in the 1735 Technical Manual September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTARE rin 27 7 1 Actions that Occur when the Gas Solenoid buttons are Pressed
22. er selectable functions They are simple to use because each selection is menu driven For options you are not sure about read the manual on that particular item in Chapter 5 Setup Menu Features include Inputs Two zirconia oxygen probe heated or unheated Furnace kiln or flue thermocouple field selectable as type K or J Reference gas sensor RGS temperature Solid state sensor Main flame established safety interlock for heated probes only Purge flow switch Outputs Two linearised 4 20mA or 0 20mA DC isolated outputs maximum load 1000Q The output function and the range are field selectable Common alarm relay programmable Three other alarm relays with selectable functions Computer RS 232 or RS 485 terminals for connection of a computer terminal or printer for diagnostics of the transmitter probe or drying process This connection is intended for network connection to a computer DCS or PLC using MODBUS protocol Display Multi font graphical display Large characters for the top line Selectable top line function Water Vapour range from 0 to 100 Dew point from 50 C to 100 C 58 F to 212 F Mixing Ratio from 0 to 10 000 g kg water vapour dry process gas Specific Humidity 0 to 1000 g kg water vapour process gas Oxygen from 1x 10 to 100 Multiple lower line items for the secondary functions eg Probe temperature Dew point probe 2 Alarm display mode that shows the time the alarm occurred acceptance time
23. he button is pressed Manual Pressing the GAS 1 PURGE 1 button will turn on solenoid 1 to purge probe 1 for as long as the button is pressed Pressing the GAS 2 PURGE 2 button will turn on solenoid 2 to purge probe 2 for as long as the button is pressed Gas 1 amp Gas 2 Pressing the GAS 1 PURGE 1 button will turn on solenoid 1 to pass calibration gas to probe 1 for as long as the button is pressed Pressing the GAS 2 PURGE 2 button will turn on solenoid 2 to pass calibration gas to probe 2 for as long as the button is pressed Refer to the person responsible for the commissioning to find out how the transmitter has been configured Operators Manual NEW tech September 2015 28 CONTROLS ELE 1735 Water Vapour Transmitter 8 INDEX Alan S cunda data 21 NE A de A O 22 ANAIS COMMON EE EE cee sensecnvasesediahandsdasensdedenteasscelleenandeuhshdesn cstsaasunglecdentasaaancell gtcpaianceeddeeaewsuatenceastenas 23 Alarms process enabliNgi iicion sisi ira 19 Alarmas Selectable ii ia aia 24 Alarms Warning messages cima ee Re sli EASGE ara pira 25 Galibration Gas Check sasenspaabaaabacsbaazepsabesisaseuseasnazadeasaceeaxes 27 COMPUTER Asco ae vetide 7 Damping OXVgen codicia eaaa iaaea a ae aa eaaa a a a aaa a a a SDL iio 19 Display RUN MOJ Eccine aanas erain a a E Erai EEE TEE EEOAE E deis aire 11 Displays Setup MENU seso nE AE EE E E EER O EEE EON Ee as ETE AEAN A EE 17 e E A E A E EE T T 7 A N E AE E E E E 13 Lo
24. hereby declare that the equipment specified herein conforms to the above directive s and standards s in 2014 Full Name Douglas Rice Position R amp D Manager
25. ill be retained even with the transmitter power off To view all the alarms that have occurred in the alarm log press the ALARM V button from the Run Mode The display will look like this DO POWER WATER VAPOUR TRANSMITTER Alarm Description Time title Time Activated Probe 2 TC Open Ct Time Activated Time Accepted Time Cleared 08 Mar 2006 03 45 29 Alarm Log 0002 0057 Number of the alarm being viewed Total number of alarms logged Operators Manual Etech September 2015 22 CONTROLS EL 1735 Water Vapour Transmitter Use the OPTION A and OPTION V to scroll through the alarm events that have been saved in the alarm log The alarm event will be transferred to the alarm log when the alarm has been cleared The alarms are stored in the alarm log in chronological order However it may be seen that the current alarm number will skip some numbers These numbers have been reserved for alarm events that are still current When the alarm cause has been removed these alarm events will be transferred to the alarm log 6 2 Alarm Relays The common alarm relay is used to monitor faults within the transmitter and the probe The list of events that will cause the common alarm relay to be activated is shown in chapter 6 3 Common Alarms The relay contacts will be open circuit if there is a current alarm condition The contacts will close again when the alarm has been acknowledged The other three alarm relays are user defined a
26. led with the same options as analog Output Channel 1 For configurations in which one zone Water Vapour is calculated both channels transmit Water Vapour Dew Point Mixing Ratio and Specific Humidity based on that single zone For configurations where two zone water vapour is calculated Channel 1 outputs process variables related to zone 1 and Channel 2 outputs process variables related to zone 2 3 2 2 Local Display of Process Variables Process Variable Range Notes Water Vapour 0 to 100 ET errar Mixing Ratio 0 to 10 000g Kg is configured for dual zone Specific Humidity 0 to 1 000g kg aie iene in Relative Humidity Oto 100 0 Requires a Dryer TC Absolute Humidity 0 to 1 0009 m Ambient Temperature 25 to 80 C Ambient Relative Humidity 5 to 95 RGS Temperature 25 to 100 C Requires a RGS Sensor Runtime gt 10 years hours and minutes Service Date Day Month Year Se ete AA Doae EOD a Probe EMF 40 to 1350mV Probe 2 also displayed if the Probe Impedance 0 0 to 300 0kohm transmitter is configured with two Probe Oxygen 1x10 to 100 oxygen probes External Dry Oxygen 0 to 25 Modes that use Ext Dry Oxygen Operators Manual Etech September 2015 10 CENTRON as 1735 Water Vapour Transmitter 4 DISPLAY AND KEYPAD The 1735 Water Vapour Transmitter has a graphic display 8 buttons and 5 LED indicators to show the status of the transmitter All of the buttons have a multiple functions depending on what is cur
27. mage to the analyser 10 BBRAM Fail The BBRAM is an internal component that maintains the clock If this device fails then the device loses its ability to accurately set and maintain time This will affect time related functions such as automatic purges which will no longer trigger at the set time 11 Alarm Log Fail The internal memory device responsible for storing both the device calibration and alarm log has failed If this occurs then the device will run using default settings If this alarm appears contact your supplier to arrange for the device to be repaired 12 ADC Calibration Fail The analog to digital converter has been found to fall outside the normal calibration specifications In this case the probe heaters will automatically be turned off and the device will have very limited functionality September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTARE rin 23 13 Output 1 Failure 14 Output 2 Failure The digital to analog and voltage isolator circuit has been found to fall outside the normal calibration specifications This check is only performed when the AUTO CAL button is pressed Refer to chapter 4 2 2 15 Heater 1 SSR Failure 16 Heater 2 SSR Failure 17 Heater SSR Leakage The 1735 has the ability to monitor the power output to both the heaters and purge cal solenoids As a result the transmitter will give an alarm within 1 second of a heater p
28. measured after removing most of the water vapour A temperature sensor is used to measure the temperature of the gas as it enters the RGS 17 to compensate for the moisture remaining in the gas stream 7 Directly Heated Dryers and Ovens Using an External Dry Oxygen Measurement by Means of a Scaled 4 20mA Signal In this method two oxygen sensors are still used to calculate water vapour similar to the previous method however it may be preferred to use a separate technology or system to measure the dry oxygen content in the dryer or oven rather than the RGS 17 Reference Gas Sensor A 1231 in situ oxygen probe is still used read the wet gas oxygen level in the dryer and a third party oxygen sensor is used to read the dry gas which is scaled 0 25 dry oxygen and fed into the transmitter as a 4 20mA signal 8 Directly Heated Dryers and Ovens Using an External Dry Oxygen Measurement by Means of a Scaled 4 20ma Signal Two Zones This method is identical to the above method but extends the functionality to use a second 1231 in situ oxygen probe for a second independent zone The dry oxygen reading which is fed into the transmitter as a 4 20mA signal is used for both zones Each zone can be independently displayed and retransmitted on separate channels for comparison or redundancy Operators Manual Etech September 2015 6 em GI 1735 Water Vapour Transmitter 2 2 1735 Transmitter Hardware The 1735 Water Vapour Transmitter has a variety of us
29. nd are used to monitor the process The function of the process alarm relays is user selectable See chapter 6 4 Selectable Process Alarms and the 1735 Technical Manual for further information 6 3 Common Alarms The events that drive the common alarm relay are 1 Probe 1 Heater Fail 2 Probe 2 Heater Fail In the first 20 minutes of power being applied to the heater after being switched on this alarm will not occur but a T display will be shown on the bottom of the display If an ADC alarm occurs the heaters will automatically be turned off If the probe has not reached 650 C 1200 F in 20 minutes the Probe 1 2 Heater Fail alarm will be raised 3 Probe 1 High Impedance 4 Probe 2 High Impedance Oxygen probe or electrode failure high impedance This alarm is inhibited when the probe temperature is under 650 C 1200 F 5 Probe 1 TC Open Circuit 6 Probe 2 TC Open Circuit Probe thermocouple is open circuit The heater in heated probes will switch off 7 Dryer TC Open Circuit Stack thermocouple is open circuit If the thermocouple is not needed select NO T C for Aux TC Type or place a short circuit between terminals 7 amp 8 8 Reference Air Pump Fail The reference air pump in the transmitter has failed 9 Reference Air Pump Overload The reference air pump in the transmitter is drawing excessive power and has been disabled to prevent da
30. out the running of the transmitter to be easily read by the user The information available is 1 Model and version of the current firmware The date time that the firmware was compiled The maximum temperature that the transmitter has measured inside the cabinet Current date and time The time of all the next timed events Impedance test cal purge 1 cal purge 2 ADC calibration data analogue input calibration DAC calibration data analogue output calibration Probe temperature record probe 1 and 2 NO UE The information screen is accessed from the Run Mode by pressing and holding the ALARM ACCEPT button and then pressing the SETUP RUN button The first data appears at the top of the screen and there is a scroll bar down the left hand side The data can be scrolled through by using the DISPLAY A and DISPLAY V buttons The data is for reference only and cannot be changed September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTHOES rim 15 This page has been intentionally left blank Operators Manual 16 Etech CONTROLS en uo September 2015 1735 Water Vapour Transmitter 5 SETUP MENU This chapter describes the functions available in the Setup Menu on the 1735 Water Vapour Transmitter The Setup Menu is mode is accessed from Run Mode by pressing the SETUP button momentarily so the words Setup Menu appear at the bottom of the display The transmitter will return to the Run Mode when the
31. ower control switch Solid State Relay failure If either of the SSR s are found to be faulty both heaters will be turned off immediately and the alarm will be raised The SSR must be replaced The SSR Leakage alarm will occur if one of the heater SSR s are partly shorted If probe 1 SSR has failed and only one probe is being used the 1735 Technical Manual describes how the SSR for probe 2 can be selected instead If 2 probes are being used but neither of the solenoid outputs are being used consult the 1735 Technical Manual 18 RGS Sensor Failed The transmitter has determined that a RGS temperature sensor is required for operation but has failed to detect a valid input 19 Probe 1 Filter Blocked 20 Probe 2 Filter Blocked Blocked probe filter This test is only performed when automatic purging of the probe is selected Refer to the Technical Manual for further details This alarm will not reset until the next purge cycle that can be initiated manually or automatically or the power to the transmitter is turned off and back on 21 Gas 1 Calibration Error 22 Gas 2 Calibration Error This alarm will only be raised if the oxygen measurement during an automatic gas calibration check falls outside the set gas limits This alarm will not reset until the next purge cycle that can be initiated manually or automatically or the power to the transmitter is turned off and back on 6 4 Selectable Process Ala
32. played option and stores the value in non volatile memory to be retrieved on device start up If this button is not pressed before changing to a new function then the previous option will be retained SENS IMP When this button is pressed the transmitter will measure the impedance of oxygen probe s attached to the transmitter If the burner is not enabled terminals 10 amp 11 or the probe temperature is below 700 C 1292 F impedance checking will not be performed During impedance checking a Z will be seen in the bottom left hand corner of the display AUTO CAL When this button is pressed the transmitter will calibrate the analog output channels that are set to auto calibration This is performed by directing the output current away from the output terminals terminals 12 amp 13 and 14 amp 15 and back the current back into the transmitter input The transmitter will then calculate a zero and a span calibration factor for each of the output channels The output calibration will only happen if the channel is not set to manual output calibration see 1735 Technical Manual for more details During this process normal output to the analog channels will be interrupted sending the outputs open circuit Operators Manual NE hitech September 2015 14 Re 1735 Water Vapour Transmitter 4 3 3 Transmitter Information Screen The 1735 Water Vapour Transmitter has an information screen available to the user to allow more detailed information ab
33. red Two Zones Yes o o 1231 No 3 Direct Fired Fixed Combustion Yes No No ooo 4 Direct Fired Single Probe Yes No Yes 5 Direct Fired Refrigerated Gas Yes No No 6 DirectFired Probe RGS Yes RGS 17 Yes 7 Directly Fired External Dry Oxygen Yes No No 8 Directly Fired Two Zone External Dry Oxygen Yes 1231 No o 1 Indirectly Heated Dryers and Ovens Single Zone The in situ 1231 probe measures the oxygen content within the drying chamber and calculations are performed to determine how much of the air space is taken up by water vapour For indirectly heated dryers or ovens an oxygen probe and transmitter are all that is required The oxygen probe uses ambient air as a reference gas 2 Indirectly Heated Dryers and Ovens Two Zones Two independent in situ 1232 probes measure oxygen content at two points within the drying chamber to calculate water vapour for each zone The 1735 Transmitter can be configured to independently display and retransmit water vapour for each individual zone on separate channels for comparison or redundancy Both oxygen probes use ambient air as a reference gas 3 Directly Heated Dryers and Ovens with Constant Combustion If the dryer or oven has a fixed combustion system fixed firing rate where the reduction of oxygen due to combustion is constant In this application a reference gas sensor may not be necessary to condition reference gas from within the dryer The dryer or oven oxygen level can b
34. rently on the display As a general starting point the larger white text on the button is the function while the transmitter is in the Run Mode and the smaller black text on the button is the function in the Setup Menu When the transmitter is sitting idle it will revert to Run Mode in which standard information relating to the process appears on the screen In order to configure the transmitter the operator must access Setup Menu This is achieved by pressing the SETUP button The transmitter will return back to the Run Mode when the SETUP button is pressed again or after a period of 60 seconds of inactivity WATER VAPOUR TRANSMITTER ALARM be ACCEPT The front panel of the 1735 Water Vapour Transmitter 4 1 Run Mode Display In Run Mode the 1735 Transmitter shows the prime measurement in large characters at the top of the display and a user selectable lower line in smaller characters below Other items on the display include the activity heartbeat indicator in the top right corner a row of single letter action indicators in the bottom left corner and the current time in the bottom right corner Power Indicator gt OPE WATER VAPOUR TRANSMITTER Prime Humidity 2 5 2 a A Heartbeat Indicator Measurement user Z Water Vapour 3 7 selectable Activity Information Indicators Prime humidity measurement indicator B Burner input enabled terminals 11 amp 12 WV Water Vapour A The transmitter is performing an automatic DP Dew Point A
35. rms There are four user configurable alarm relays Any or all of the following functions can be selected for each relay The description of how the trip levels and the delay times are set is in the 1735 Technical Manual NOTE Description of how to configure the process alarms is covered in the technical manual NOTE The process alarms can be configured to trigger either when the process variable exceeds a threshold or when the process variable drops below a threshold The process variable used for all process alarms is the same as the one selected on the top line display of the display 23 Process Alarm 1 Zone 1 27 Process Alarm 1 Zone 2 24 Process Alarm 2 Zone 1 28 Process Alarm 2 Zone 2 25 Process Alarm 3 Zone 1 29 Process Alarm 3 Zone 2 26 Process Alarm 4 Zone 1 30 Process Alarm 4 Zone 2 The precise message for each process alarm will change to reflect the condition and threshold of the alarm Example Z Water Vap gt 4 would indicate that the process alarm has been triggered by water vapour exceeding 4 in zone 2 Operators Manual Etech September 2015 24 nn SSNS 1735 Water Vapour Transmitter 6 5 Warning Messages 26 Probe 1 Temperature Low 27 Probe 2 Temperature Low The probe temperature is under 650 C 1200 The oxygen and water vapour readings are therefore invalid If the probe heater has been on for more than 20 minutes and the temperature is less than 650 C
36. sation build up on the inner and outer sheath of the probe When this occurs the condensation will often drip back onto the hot sensing area of the probe causing rapid thermal expansion which causes the probe to read incorrect levels for some period of time This menu allows the operator to set the maximum duration of time that the analyser can automatically suppress these condensation related spikes In normal operation a value of 2 minutes is acceptable September 2015 WN Operators Manual 1735 Water Vapour Transmitter CONTROLS rm 19 5 3 6 Spike Trip Level NOTE This menu is only visible if spike suppression is enabled in the previous menu POWER WATER VAPOUR TRANSMITTER Options 5mV to 100mV in 1mV increments 06 spike Trip Level Default 10mV 10 mV Setup Menu This function sets the instantaneous jump in Probe EMF that indicates that a condensation related spike is potentially interfering with actual readings Operators Manual Etech September 2015 20 CONTO 1735 Water Vapour Transmitter 6 ALARMS The 1735 Water Vapour Transmitter has 4 alarm relays a built in alarm annunciator and an alarm log When an alarm occurs the Alarm Light will flash To find out what the alarm is press the ALARM A button When the ALARM A button has been pressed the transmitter goes into the Alarm Display Mode In this mode some of the buttons take on a different function Button text Run Mode Alarm Mode SETUP
37. shock danger to maintenance personnel Always isolate the transmitter before working with the probe The EARTH wire green from a heated probe must ALWAYS be connected to earth CAUTION 2 Combustion or atmosphere control systems can be dangerous Burners must be mechanically set up so that in the worst case of equipment failure the system cannot generate explosive atmospheres This danger is normally avoided with flue gas trim systems by adjustment so that in the case of failure the appliance will not generate CO in excess of 400 ppm in the flue The CO level in the flue should be measured with a separate CO instrument normally an infrared or fuel cell type CAUTION 3 The oxygen probe is heated to over 700 C 1300 F and is a source of ignition Since raw fuel leaks can occur during burner shutdown the transmitter has an interlocking relay that removes power from the probe heater when the main fuel shut off valve power is off If this configuration does not suit or if it is possible for raw fuel to come into contact with a hot oxygen probe then the Model 1735 Transmitter with a heated probe will not be safe in your application An unheated probe can be utilised in such applications however the oxygen readings are valid only above 650 C 1200 F CAUTION 4 FIL 3 filter If the optional FIL 3 has been fitted to the 1231 probe in this installation please read the Important Notice in the Technical Manual
38. ts 10 30 Seconds in 5 second increments 5 Seconds 30 45 60 90 Seconds 2 3 4 5 Minutes Setup Menu Default 5 Seconds The Oxygen measurement can be damped by averaging successive readings from the probe This can be used to smooth out minor fluctuations in the process gas level and should improve the stability of the readings of the system The larger the number selected here the more successive readings are averaged and the smoother the measurement will be The damping factor is not applied to the Probe EMF and Probe Temperature values used to calculate oxygen but to the oxygen value itself The pre damped oxygen value is not displayed or retransmitted via digital or analog outputs when damping is enabled the damped oxygen value is shown on the local display as well as being retransmitted via digital or analog outputs The damped Oxygen value is also used in the calculations of all other process variables including Water Vapour Dew Point Mixing Ratio and Specific Humidity By enabling damping on oxygen all process variables will be similarly damped 5 3 5 Spike Suppression O POWER WATER VAPOUR TRANSMITTER Options Disabled 2 3 4 5 Minutes Disabled Default Disabled Setup Menu This function allows the operator to automatically suppress the spikes in EMF caused by moisture condensing inside the probe in high humidity processes Due to the high levels of moisture in some environments it is not unusual to experience conden
39. wer line changes eenen aa UA eh A bi 18 A a ee a ed te te CS 7 An sedges Gtadsucaansanses i OTA ER eTa AAE EAO ERARA 18 Setup MenU siii er tiran e N E EEE eE An SNe dangle IA E A EEES 17 Specifications Hardwale ii a a cad re 9 Specifications Operational sise 10 Voltage mains Supply is siiiiseieseeesreeeeneeenneeeeeneeeneeneeeneeneeenineeneneense 9 A A ER RTE D PURE PE EE T I M TU 3 September 2015 Etech Operators Manual 1735 Water Vapour Transmitter CONTHOES rim 29 DECLARATION OF CONFORMITY Application of Council Directives 2004 108 EC 2006 95 EC Standards to which conformity is declared EN61010 1 2010 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN50270 1999 Electromagnetic Compatibility Electrical Apparatus for the Detection and Measurement of Combustible Gases Toxic Gases or Oxygen CFR47 FCC Part 15 Subpart B Class A Electromagnetic Compatibility Radiated and Conducted Emissions AS60529 2004 Degree of Protection Provided By Enclosures IP Code This product is manufactured in Australia under ISO9001 2008 quality systems and 1S014001 2004 environmental certification Manufacturer s name Novatech Controls Pty Ltd Manufacturer s address 309 Reserve Road Cheltenham VIC 3192 AUSTRALIA Type of equipment Oxygen Transmitter Model Number 1730 Series Transmitter 1231 Oxygen Probe 1232 Oxygen Probe 1234 Oxygen Sensor
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