1637 Mk II Oxygen & Carbon Dioxide Analyser Operators Manual
Contents
1. N tech Oxygen amp Carbon Dioxide Analyser Model 1637 Mk II Operators Manual UI December 2013 1 Overview amp SPO CHICAIGNS cocos ie ENNEN Eeen 3 1 1 Hardware Specifications nn nnnnnnnnnnn nn nnnnnnnnnnnnnnnnnnnnnnnnnnnnenenennnnnnns 4 1 2 Product amp Logging Specifications cccccccccecessesssseececessesesececeeseeeseauseseeceseeseaeeeeeescessesauaeeeecssseseasaeeeesens 5 1 3 Heater Supply for the Oxygen Sensor ccececessessseceeecssesssaeeeceesecsseseaaeeeceesseseaseeeeeesesssesauaeeeeeesseaaeaeeeesens 5 1 4 Oxygen Sensor lIMPEdaNn Ce EE 5 e A ee 6 MA RR ERD 0 EE H RN ET EE 8 2 QUICK OE A O o steer re 9 2 1 Tuning ON the EE 9 MK INS 9 3 Setting up the Analyser rasa 11 3 1 Operation of the Menu System 11 3 2 Extended Display MOde cccsccccccssssssssseececeesenseaeceeecssseseeaeaeecsscesesaeaecesecesceseaaeseessseeseaeaeeeeeceseeseaeaeess 11 3 3 SETUP TE EE 12 3 4 Configuration Menu assi ad 14 3 5 Product Selection ld dd O nalen dd 19 4 AAN E 21 2 1 S mple Gas Related Alarm iii a I Ai 21 4 2 Hardware Alarms ucesnenanen annahm 21 Si Bluetooth PC IN en 23 5 1 Pairing Bluetooth Devices na EENS EEN EENS EENS 23 5 2 PC Interface SoftWare EE 24 6 COO A 27 AO A 27 6 2 Carbon Dioxide cuidadas 28 7 Troubleshooting ass ERE OE OEE EEE 29 7 1 Analyser Information Screen 29 7 2 Frequently Asked Ouestions corn nnnnnnnnnnnn nn nnnnnnnnnne nn rnnnnnncnnnnnnnns 30 December 20132. The sample log consists of a serial of date stamped Oxygen and CO samples listed chronologically from newest to oldest The check boxes next to each item allows for individual selection and de selection of sample log items To assist in selecting specific samples based on either date or product criterion there are buttons Select Deselect All this day and Select Deselect All this product When you click one of these buttons the program looks at the item currently highlighted item and selects deselects sample items as December 2013 d fffuiesch OperatorsManual 1637 Mk II O amp CO Analyser CONTROLS mm 5 Chapter 5 Bluetooth PC Interface Operators Manual NN tech December 2013 26 RON 1637 Mk II O CO Analyser The 1637 Mk ll analyser is calibrated before leaving the factory and requires minimal ongoing re calibration The analyser itself is self calibrating with no adjustments The analog to digital converter input stages are checked against a precision reference source and calibrated once every minute If an error occurs due to electronic fault then an ADC Calibration Error alarm will be triggered A one off calibration procedure of the precision references is done during factory calibration and should never need to be repeated for the instrument unless it is repaired The two digital to analog output converters are tested for accuracy when the analyser goes through the startup procedure or when they are enabled If the ou
3. 1 part per million ppm to 100 oxygen lt 4 seconds with gas flow of 100cc per minute 1 of actual measured value with repeatability 0 5 of measured value 0 1 0 01 1ppm 0 1ppm O to 100 lt 8 seconds with gas flow of 100cc per minute 2 3 5 1 8 Swagelok Bluetooth Wireless 2 isolated 0 20mA or 4 20mA field selectable active outputs DO NOT loop power 1000 ohm maximum 4 isolated programmable failsafe active open 2A 240VAC 2A 30VDC 85 to 265VAC 50 60Hz 115W continuous 500W maximum instantaneous 5 minutes O to 50 C 32 to 120 F or O to 45 C 32 to 110 F with CO option 5 to 95 non condensing 6Kg 265mm W x 150mm H x 350mm D 10 5 x 6 x 13 75 in continuous mode field selectable from the following Oxygen 0 0 1 oxygen to 0 100 oxygen Carbon Dioxide 0 1 to 0 100 carbon dioxide Oxygen EMF 0 100mV to O 1500mV December 2013 1637 Mk Il O amp CO Analyser NET tech CONTROLS rv up Chapter 1 Overview amp Specifications 1 2 Product Logging Specifications Number of Products Stored 200 maximum Product Name 22 characters alpha numeric and symbols Exact number of characters is limited by the width of the display and will vary Log Memory Capacity 3680 readings Each reading records date time product oxygen carbon dioxide 1 3 Heater Supply for the Oxygen Sensor CAUTION The Oxygen sensor heater is supplied with m
4. Specifications 1 5 Keypad NEEDLE HOLDER PRODUQT PETMCTAS Product Selection amp Edit A short press of the key will bring up the product list to allow the operator to select a product for testing Press and hold for 2 seconds to bring up a product edit menu A short press while in either product list or product edit will take the analyser back to the main screen Display Sample Log A short press on the key will show the data log summary of all the samples that have been taken While in setup mode this key functions as a back key to navigate out of the menu system Change Value Up Down These two keys are used to change a selection or value Enter Accept Enter Setup Mode The enter key is used to confirm a selection A short press of this key from the analyser main screen will enter the Setup Menu For more details see Chapter 3 Display Accept Alarms In the event of an alarm being triggered the alarm LED will flash and the analyser will beep to alert the operator Press this key to acknowledge the alarm If the alarm LED is on not flashing pressing the alarm key will show the list of currently active alarms Product Batch Counter Reset Press and hold for 2 seconds to reset the product batch counter Calibrate Press and hold this key for 2 seconds to bring up the calibration selection menu Use the up down keys to select which calibration to perform press enter to perform calibration o
5. gas Operators Manual NN tech December 2013 28 FEN 1637 Mk Il O amp CO Analyser WARNING Performing maintenance on the 1637 Mk II analyser will be outside of the scope of most operators This information is provided as a reference only The 1637 Mk II is a delicate instrument that incorporates both mains voltage and sensitive electronics and sensors Damage caused to the analyser during unauthorised repairs or modification will not be covered by warranty 7 1 Analyser Information Screen The 1637 Mk II has an information screen that can assist in the preliminary diagnosis of problems or simply provide additional information regarding the analyser It is accessible via the keypad and does not affect the operation of the analyser making it ideal as a first point of reference should you suspect a problem To access the information screen From the main screen press and hold the up amp down keys together for approximately 1 second Once the information screen appears release the two keys Navigate through the information screen using the up down keys and exit back to the main screen by pressing enter The screen displays the following information e Serial number e Software version amp compile date e Calibration date e Current ambient amp maximum ambient temperature e Current CO cell temperature amp maximum CO cell temperature e Current date time e Next oxygen impedance test time e ADC calibration detai
6. line Doing so may damage the analyser and any damage caused by contamination will not be covered by warranty 6 The display will show the oxygen and carbon dioxide readings in the large characters the display will say Sampling to indicate that a sample is being taken O CO 2 13 22 4 Sampling Sampling 001 Product 001 1 5 7 On completion of the sample the analyser will notify the operator with one of two noises two clicks if the reading is within the alarm thresholds or one loud beep if not The sample just taken will be shown in small characters below the current reading in larger characters O CO 20 95 0 0 2 13 22 6 001 Product 001 2 5 For more detailed information regarding the operation of this analyser refer to the table of contents and read the specific chapters December 2013 WEN tech OperatorsManual 1637 Mk II O amp CO Analyser A CONTROLS min 9 Chapter 2 Quick Start Operators Manual NN tech December 2013 10 FREE 1637 Mk II O amp CO Analyser 3 1 Operation of the Menu System The analyser is configured via a menu system that is accessible whenever the analyser is idle The device has two separate menus the Setup Menu and the Configuration Menu Each menu is numbered on the top left corner and has a brief description of what functionalities it controls The menu itself will have up to four individual items shown in a
7. list and on the left hand side is a cursor symbol gt which indicates which item is currently selected The keypad uses four keys to navigate through and modify items up down enter and log As a guide the up down keys move the cursor up and down and change the value enter is used to select items pointed to for editing and for saving changes log is used to step backwards un select the currently selected item exit without saving changes and leave the menu system To change an item in the setup menu navigate first to the menu using the up down keys and select the menu by pressing the enter key Next navigate to the sub menu item using the up down keys and select the item by pressing the enter key a second time The item is now selected for modification and will be highlighted Use the up down key to change the value and once finished press the enter key a third time to save changes If you wish to un select the current item or exit without changing the value press the log key Once finished exit the Setup menu by pressing the log key Below is a list of options accessible from the Setup and Configuration Menus The options for each item are listed beneath each heading The factory default setting is indicated in bold type 3 2 Extended Display Mode The analyser has two display modes the first being the Standard Display Mode the second Extended Display Mode When the analyser is first powered on it starts up in Sta
8. scaling options December 2013 WEN Biech Operators Manual 1637 Mk II O amp CO Analyser MA CONTROLS min 13 Chapter 3 Setting up the Analyser 05 Alarm Relays Relay 1 Relay 2 Relay 3 Relay 4 These four field programmable relays can be triggered on hardware or process alarm conditions By default Relays 1 through to 3 are configured to trigger on process related alarms and Relay 4 is configured by default to trigger on hardware related alarms If you wish to use Relay 1 3 to trigger specific hardware alarms then it must be first disabled from Relay 4 after which the de selected hardware alarm will become available as an option in Relay 1 3 Multiple alarm conditions can be configured for any individual Relay the menu system indicates that an alarm has been associated with a Relay by placing an asterisk on the far right side of the line when scrolling through the alarm conditions By default Relay 1 3 are not programmed with any alarm conditions Relay 4 is programmed to trigger on all hardware alarm conditions Options Relay 1 Relay2 Relay3 Relay4 Oxygen Heater Fail Oxygen High Impedance Oxygen TC Open Circuit S CO Sensor Error 2 CO Lamp Error 5 Sample Pump Error Fi Sample Pump Overload Internal BBRAM Error 5 Internal Memory Error ADC Hardware Check Fail Output 1 Failure x Output 2 Failure x Oxygen SSR Failure Bluetooth Error Oxygen High Oxygen Low Carbon Dioxide High Ca
9. 13 13 46 27 Product 001 Wed 6 Nov 2013 13 46 14 Product 001 Wed 6 Nov 2013 13 45 22 Product 001 Backup Selected Items On start up the program automatically begins searching for 1637 Mk II analyser devices and lists the devices in the top box The first analyser discovered is automatically selected and the next two boxes showing Products and Sample log are automatically filled When you select an analyser from the top box the information in the middle and bottom boxes should also automatically update At any time you can manually refresh Products or the Sample Log by right clicking the box and using the popup menu The buttons down the right hand side are used to perform their indicated tasks Products can be created and edited or backed up restored between different devices To edit products either double click the product to be edited or x highlight the item in the list and click the Edit Product button A Product Description EEEN dialog box will be displayed to edit the product details and alarm Te m TestComt 5 2 Low02 i HighO2 Enz thresholds Click OK or Cancel to return to the main screen Low C02 120 0 High CO2 DD The process of creating a new product is almost the same as editing an existing product You can have up to 200 individual products defined on the 1637 Mk II analyser Operators Manual N atech December 2013 24 SE 1637 Mk II O amp CO Analyser Chapter 5 Bluetooth PC Interface
10. 2 Sample Gas Alarms Note Setup Menu 02 is only made available when Product Selection is disabled in Setup Menu 1 For details on how to configure sample gas alarms using Product Selection refer to Chapter 3 5 If Product Selection is disabled use this menu to set the sample gas alarm thresholds Low O Alarm High O Alarm Low CO Alarm High CO Alarm Options Oxygen Disabled 100ppm 100 in graded increments Increments of 100ppm from 100ppm to 1 increments of 0 1 from 1 to 25 then increments of 1 from 25 to 100 Carbon Dioxide Disabled 0 1 100 in 0 1 increments Operators Manual NN tech December 2013 12 FS 1637 Mk Il O amp CO Analyser Chapter 3 Setting up the Analyser Note Setup Menus 03 04 amp 05 are only made available when the analyser is operating in Continuous Mode 03 Transmitter Output 1 Output Var Options Oxygen Carbon Dioxide Oxygen EMF No Output Scale 4mA Scale 20mA Options The scaling options of the 4 20mA outputs depend on the output variable selected Oxygen 0 100 in graded increments Increments of 100ppm for 0 to 1 increments of 0 1 from 1 to 25 increments of 1 from 25 to 100 Carbon Dioxide 0 to 100 in 1 increments Oxygen EMF OmV to 1500mV in 100mV increments 04 Transmitter Output 2 Output Var Options Oxygen Carbon Dioxide Oxygen EMF No Output Scale 4mA Scale 20mA See Setup Menu 03 for detailed explanation of
11. 5 for details The oxygen sensor carbon dioxide sensor is reading high or low Check that the sample line being used is not blocked or leaking Ensure the Swagelok fitting is correctly tightened and that the inline filter and hypodermic needle are securely attached Also check for any cracks in the filter or blockages in the sample line filter and needle It may be useful to replace the entire sample line and see whether this fixes the problem Regarding hardware related alarms If a hardware related alarm triggers it is unlikely the analyser can be repaired on site by the operator The device contains high temperatures mains voltage as well as delicate sensors and electronics For specific information on faults and for repairs please contact the reseller of the analyser or Novatech Controls directly Operators Manual NN tech December 2013 30 FREED 1637 Mk Il O amp CO Analyser
12. Etech Operators Manual 1637 Mk II O amp CO Analyser CONTROLS m m 1 Copyright NOVATECH CONTROLS PTY LTD 2013 This manual describes firmware version 1 04 December 2013 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 Website http www novatech com au Novatech Controls or their authorised dealers should carry out all maintenance and service on the product Novatech Controls can accept no liability whatsoever for any loss or damage caused by service o
13. ains voltage This supply has electrical shock danger to maintenance personnel Always isolate the analyser before working with the oxygen sensor The sensor assembly must always be connected to earth The heater is supplied from the mains power directly and the temperature is controlled to a set point of 720 C 1320 F after turn on 1 4 Oxygen Sensor Impedance The oxygen sensor impedance is an indication of the reliability of the oxygen reading An oxygen sensor with a high impedance value will eventually produce unstable erroneous signals The analyser will check the oxygen sensor impedance five minutes after the oxygen sensor reaches operating temperature If the analyser remains switched on it will repeat this check every 24 hours If the impedance is above 8kQ then the impedance alarm will be triggered December 2013 WEN Biech OperatorsManual 1637 Mk II O amp CO Analyser A CONTROLS mn 5 Chapter 1 Overview amp Specifications 1 3 Case Display The 1637 Mk II display is a 192x64 pixel monochrome graphical LCD In standard operation it shows the current oxygen and carbon dioxide readings also previous sample readings alarm status product selected date amp time Keypad User interface for interacting with the analyser Sample Gas Inlet Sample line is attached to this 1 8 Swagelok coupling Needle Holder Safe storage for the hypodermic needle when it s not in use Mains Power Socket External mains po
14. ation at low oxygen readings It will not affect the measurement at ambient It is advised that you do not alter this value Damping Options No Damping through to 10x Sampling Default is 2x Sampling The oxygen measurement can be damped by averaging successive readings from the sensor This will smooth out any fluctuations in the sample gas level but will also slow down the reaction time of the analyser The larger the number selected here the more successive readings that are averaged Operators Manual NN tech December 2013 16 FEN 1637 Mk Il O amp CO Analyser Chapter 3 Setting up the Analyser 08 CO Signal Tuning NOTE All values in this menu are set using the automatic Carbon Dioxide calibration process described in Chapter 6 Altering these values directly is not advised and doing so will alter the device calibration CO Gain CO Offset The Carbon Dioxide analog circuitry needs to be correctly configured to maximise input range and accuracy The Gain amp Offset alter this signal accordingly Lamp Duty Cycle The CO signal lamp is switched with a fixed duty cycle that can be altered using this menu It is not advised that you alter this value manually Lamp Cycle Time The cycle time of the CO signal can be adjusted to increase or decrease sample time It is not advised that you alter this value manually 09 CO Calibration NOTE All values in this menu are set using the automatic Carbon D
15. ech OperatorsManual 1637 Mk II O amp CO Analyser SS CONTROLS min 17 Chapter 3 Setting up the Analyser 11 Products Log NOTE Clearing internal log or resetting Products is not reversible Reset Internal Log The analyser has an internal log that automatically records information on all samples taken using the device This log can be reviewed or downloaded via Bluetooth for review and archiving To clear the internal log select this item and press enter Reset Products The analyser has a Product Selection system for configuring process gas thresholds and alarms The products as shipped from the factory are designed to be altered to the end users specification To reset the Product descriptions and sample gas alarm thresholds to factory defaults select this menu and press enter 12 Mains Detection NOTE It is not advisable to alter any values in this menu without being explicitly instructed to by the manufacturer or supplier Mains Voltage Options Automatic 100 127V 220 240V Mains Frequency Options Automatic 50Hz 60Hz The oxygen sensor inside the analyser uses mains power to run the heater The default setting for the analyser is to automatically detect mains voltage and frequency If the mains detection system fails for whatever reason then it can be manually overridden and the known voltage or frequency can be set SSR Fail Protection Options Enabled Disabled Inthe event of the solid sta
16. essurised sample gas forced into the sample line Continue to follow the prompts and remove the needle when requested You may be asked to insert the needle into the 100 gas source a second time Calibration will take a few minutes to complete and following a successful calibration number for CO sensor span and offset are displayed on the LCD and the analyser returns to the main screen Mid Gas Calibration Mid Gas Calibration is performed to increase accuracy of the CO sensor in the specific region of the test gas It is a single step calibration procedure which requires a certified CO test gas in the range of 20 60 CO in nitrogen Before starting the calibration process ensure that the Mid Cal CO gas content of the calibration gas has been correctly entered in the Calibration Menu Using a regulator set the mid cal gas source to approximately 300cc min and place the sample needle inside the gas tube 2cm so that the sample pump is able to pull gas rather than having pressurised sample gas forced into the sample line Wait 30 seconds to ensure the CO sensor has a stable reading Press and hold the calibrate key for 2 seconds to display the Calibration Menu and select the second option Calibrate CO x x where x x is the oxygen value of the certified gas Once complete the mid gas calibration will immediately become active It is recommended to test the calibration by immediately taking a fresh sample from the certified
17. he calibration accordingly AmA Trim Options 2 50mA to 6 50mA in 0 01mA increments default 4 00mA 20mA Trim Options 18 00mA to 22 00mA in 0 01mA increments default 20 00mA The menu item 4mA Trim appears when Calibrate 4mA is selected in Mode above likewise 20mA Trim appears when Calibrate 20mA is selected in Mode above The default value 4 00mA or 20 00mA indicates that no manual calibration has been performed In order to manually calibrate a particular level set this value to default then read the output using external hardware Whatever value is seen on the external hardware enter this value into the Trim menu and press enter The analog output level should immediately adjust towards the calibrated 4mA or 20mA level December 2013 WEN Biech OperatorsManual 1637 Mk II O amp CO Analyser A CONTROLS m m 15 Chapter 3 Setting up the Analyser If the uncalibrated 4mA or 20mA levels are significantly out it may require some fine tuning once the Trim value has been entered When fine tuning the analog output if you wish to increase the analog output by a small step decrease the trim value by one increment and press enter Likewise if you wish to decease the analog output by a small step increase the trim value by one increment and press enter Make sure that you press enter after each incremental change to the Trim value as the analog output will not be updated to reflect changes until you have done this ste
18. ioxide calibration process described in Chapter 6 Altering these values directly is not advised and doing so will alter the device calibration Zero Counts Span Counts The Zero Counts value correlates to the number of counts sampled via the internal ADC when the CO cell is reading 0 Carbon Dioxide ambient air The Span Counts correlates to the number of counts samples when the CO cell is reading 100 Carbon Dioxide These values are both set automatically during the automatic calibration process and should not be altered Cal Temperature The temperature at which the CO cell is calibrated is used to fine tune the Carbon Dioxide readings This value is set automatically during the automatic calibration process and should not be altered 10 CO Mid Gas Calibration Mid Cal Gas Options 20 0 to 60 0 in 0 1 increments Default 30 0 To fine tune the calibration of the Carbon Dioxide a Mid Gas Calibration is recommended using a certified gas bottle with CO concentration close to that being measured The concentration of the CO gas to be used for this Mid Gas Calibration should be manually entered into this menu Mid Cal Adjust Options 7 0 in 0 1 increments Default is 0 0 This number shows the fine tune trim factor applied to the CO calculations at the Mid Cal Gas concentration entered in the menu above This value is set during the automatic CO calibration process described in Chapter 6 December 2013 WEN Bi
19. is designed to be easily customised to the requirements of the end user The analyser is designed with the primary use of sampling modified atmospheres in enclosed spaces but can also be used for continuous monitoring To improve the use as a sample and hold device a Product Selection system was created in which a number of Products can be predefined These products can be as simple as a meaningful description for what is being sampled or can be more detailed to include alarm thresholds for both oxygen and carbon dioxide and batch sample counting to allow for grouping of samples in the internal log Once configured the Product Selection system can be used to quickly switch between items being tested and remove human error from the process of correctly setting up alarm thresholds Samples taken are also logged with product information attached so that review of samples taken is more informative To enable this feature Product Selection must be enabled in Setup Menu 1 Selecting a Product Once enabled the operator can press the product key on the keypad to bring up a list of available products To select a product from the list use the up down keys to highlight the desired Product and press enter to select the highlighted product and return to the main screen To return to the main screen without making any changes press the log key Creating and Editing Products By default five basic products are made available with Product Selecti
20. ish to close the wizard and close the Bluetooth Devices Control Panel December 2013 ABRRhtech Operstors Manual 1637 Mk II O amp CO Analyser MA CONTROLS me 23 Chapter 5 Bluetooth PC Interface 5 2 PC Interface Software The PC Interface software does not require any installation and consists of a single small Windows NET executable file The program is designed to be as straightforward as possible in its job to allow easy PC based editing of products used in the Product Selection system and for transferring the contents of the sample log There is one main screen consisting of three boxes some basic device information and a single row of buttons along the right hand side The top box lists all available analyser devices the middle box the products that are defined the bottom box lists sample log items el W Novatech Controls 1737 amp 1637 MK2 Interface ex File Help Select Device 1637 MK2 Device SN 65188 Serial Number 65188 Last Calibrated 27 06 2013 Software Version a Search for Devices Ttems in Sample Log D Description Low02 HighO2 New Product 1 Product 001 0 10 2 00 2 Product 002 0 10 2 00 3 Product 003 0 10 2 00 0 T Show All Products 4 Product 004 0 10 2 00 5 Product 005 0 10 2 00 Edit Product Backup Products Restore Products Date amp Time Select All Wed 6 Nov 2013 13 47 07 Product 001 Wed 6 Nov 2013 13 46 39 Product 001 Wed 6 Nov 20
21. istrator privileges to perform Bluetooth Devices xl Devices Options COM Ports Hardware e Turn on the Bluetooth enabled analyser you wish to pair e From Windows open the Control Panels locate and open Bluetooth Devices e Click the Add button to add a new Bluetooth device Check the box on the next windows stating My device is set up and ready to be found Click next e After a brief delay a box will appear showing all nearby Bluetooth devices If the analyser does not appear in the box check that Bluetooth is enabled and click search again to repeat the process The Novatech Controls 1637 Mk II analysers should be recognisable as blue icons with the name NTC1637_SN xxxxx where x is replaced with the device serial number x e Select the analyser and click next Select the Bluetooth device that you want to add D e In the next window asking for a passkey select the second radio button from the top Use the passkey found D NTC1737_SN 11111 NTC1737_SN 13279 New device New device in the documentation The passkey for analysers is novatech all lower case Click next e If successful Windows will now complete the process of Au If you don t see the device that you want to add make sure that it is pairing your Bluetooth devices and setting up taraa Fok a e a appropriate RFCOMM serial port connections to allow Next gt Cancel the software to communicate with the analyser e Click fin
22. lay logs to memory and checks sample gas alarms if they are enabled In Continuous Mode the device reads oxygen amp carbon dioxide continuously It checks the sampled gas against the alarm thresholds continuously and triggers alarms if they go outside of the set levels In Continuous Mode the 4 20mA analog outputs and alarm relays are used to transmit alarm states and gas levels Pump Power Off Options Always On 15 secs 30 secs 60 secs 2 mins 5 mins 15 mins 30 mins The analyser can turn the sample pump off in Sample amp Hold mode if there has been no sample activity or keys pressed for a specified period of time Enabling this option will prolong the life of the sample pump When the analyser is in Continuous Mode the pump will never power off due to inactivity Product Selection Options Enabled Disabled The product description and selection system can be used to quickly select alarm thresholds when in Sample amp Hold mode When product selection is enabled the alarm thresholds are set using the product edit function See chapter 3 5 for further details on using Product Selection Temperature Units Options Celsius Fahrenheit This option sets the units of display for temperature Note Temperature for the oxygen amp carbon dioxide cells are not displayed as standard The display of temperature can be useful in some troubleshooting scenarios Refer to the troubleshooting chapter of this manual for more details 0
23. ls e DAC calibration details e Mains Power detection information e Oxygen heater power output information e Oxygen stability e Sample log information e Bluetooth device address amp status e CO detection information e Analog output levels December 2013 WEN Biech OperatorsManual 1637 Mk II O amp CO Analyser SSS CONTROLS mein 29 Chapter 7 Troubleshooting 7 2 Frequently Asked Questions What does it mean when there is a symbol instead of the Oxygen or CO reading The Oxygen or CO sensor inside the analyser is not ready for taking readings It takes up to 5 minutes for the oxygen sensor to reach operational temperature once powered up less for the CO sensor Allow the device time warm up before attempting to take readings How often should calibrate the analyser The oxygen and CO sensors require re calibration every 12 months Between calibrations the device can automatically compensate for changes in environmental conditions If you believe the analyser is not reading accurately then it will require a known calibration source such as certified content gas bottles to check the calibration Why can t connect to the device via Bluetooth If you are unable to find the analyser using the 1637 Mk II Bluetooth interface then you should try moving the analyser and Bluetooth radio closer together If this still does not work then try removing and re pairing the Bluetooth device with the PC Refer to Chapter
24. nalyser constantly monitors many aspects of its operation and will quickly detect any faults These alarms are related to the operation of the hardware and will vary from being easily fixed by the operator through to a serious hardware failure requiring technical assistance or repair Oxygen Heater Fail The oxygen sensor has not been able to reach operational temperature after 20 minutes This indicates problems with the oxygen heater and may require replacement Oxygen High Impedance The oxygen sensor measures high impedance in normal operation once it has reached the end of its operational life This should take several years and will require replacement of the oxygen sensor Oxygen TC Open Circuit The oxygen sensor thermocouple is registering as being open circuit This may be caused by a break in the wire inside the sensor or if the sensor wires have come loose in the plug December 2013 WEN Biech Operators Manual 1637 Mk II O amp CO Analyser A CONTROLS mn 21 Chapter 4 Alarms CO Sensor Error This error occurs when the CO cell is unable to detect a signal within range It will occur either when the CO sensor physically fails or if the calibration of the CO cell has been affected and is reading saturated readings If re calibrating the CO cell does not fix the problem then the CO sensor may require replacement CO Lamp Error The CO lamp has failed The CO cell will require replacement Sample Pump Error Ver
25. ndard Display Mode In this mode the oxygen is displayed in large writing on the left hand side of the display and likewise Carbon Dioxide is displayed on the right hand side The Standard Display is ideal for standard operation however for troubleshooting or extracting more detailed operational information then Extended Display Mode may be preferred To toggle between the two display modes while idle from the main screen press and hold the Change Value Up key for approximately 5 seconds After this the analyser will beep and the display mode will be changed In Extended Display Mode in addition to Oxygen amp Carbon Dioxide being shown the operator can also see information such as Oxygen probe EMF amp Impedance and Carbon Dioxide cell temperature December 2013 WEN Biech Operators Manual 1637 Mk II O amp CO Analyser SSS CONTROLS mein 11 Chapter 3 Setting up the Analyser 3 3 Setup Menu To access the Setup Menu while the analyser is idle press enter from the main screen 01 Analyser Options Analyser Mode Options Sample amp Hold Continuous The two options here are Sample Hold and Continuous mode In Sample Hold mode the device automatically detects when the hypodermic needle has been inserted into a package It draws the sample gas out of the package and continuously samples until the readings have stabilised or started returning to ambient On completion it locks in the sample reading on the disp
26. ng the internal clock When enabled the clock is moved forwards one hour 03 Installation Options CO Cell Options Enabled Disabled If there is no CO cell installed in the analyser then Carbon Dioxide is disabled automatically and this menu is of no use If however the analyser does have a CO cell installed and you wish to manually disable Carbon Dioxide without physically removing the cell then this menu can be used Bluetooth Options Enabled Disabled Bluetooth communications is achieved using an optional Bluetooth module If the module is not installed then this menu should be set to disabled otherwise the analyser will trigger Bluetooth fail alarms 04 Analog Ch 1 Calibration 05 Analog Ch 2 Calibration Note Both Calibration Menu 04 and 05 are only accessible if the analyser is configured in Continuous Sampling Mode See Chapter 3 3 for further details Mode Options Auto Calibrated Manually Calibrated Calibrate 4mA Calibrate 20mA The two 4 20mA analog output channels can be calibrated automatically using on board circuitry or manually using a DMM or other external hardware Menu items Auto Calibrated and Manually Calibrated indicate the analyser is currently transmitting using the selected calibration If you select either of the next options then the analyser will transmit a fixed manually calibrated 4mA or 20mA level on the selected channel allowing the operator to measure this level and to adjust t
27. on is enabled however to make proper use of the Product Selection functionality the products should be altered to be more meaningful To access the Product Edit menu press and hold the product key for 2 seconds until the analyser makes a second beep and the words Editing Products appears on the display The Product Edit Menu operates similarly to the Product Selection Menu using the up down keys to move through the list and enter to select the highlighted product On selection of a product a new editing screen is shown where the up down log and enter keys are used the same as in the Setup Menu system Editing of the product description requires the use of the alarm and batch reset keys to move the cursor backwards and forwards respectively The up down keys change the underlined character and the number of characters available in the description is bound by a maximum of 22 characters or the edge of the display To return to the list of edit products and to return to the main screen once product editing is complete press the log key December 2013 WEN Biech Operators Manual 1637 Mk II O amp CO Analyser SSS CONTROLS mein 19 Chapter 3 Setting up the Analyser Operators Manual NN tech December 2013 20 FREE 1637 Mk II O amp CO Analyser The 1637 Mk Il alarm system incorporates both hardware and sample gas alarms and uses the display a flashing alarm LED and the internal beeper to alert the operator when it requires at
28. p 06 Sample Pump Sample Pump Options Internal External The sample pump used to draw the sample into the analyser is in most cases located inside the analyser however in some special cases it may be required that the pump be located externally By setting this option to External the internal pump drive circuitry and associated hardware alarms are disabled Pump Voltage Options 2 50V to 5 00V in 0 25V increments This option is only available if the sample pump is set to internal in the previous menu item The voltage to the pump is directly proportional to the pump speed and volumetric sample rate 07 Oxygen Calibration Offset Options 6 00mV or Automatic The zirconia based Oxygen sensor used by the analyser will have some fixed offset associated to it This value corresponds to the probe EMF reading when sampling ambient air If the device is configured as Sample amp Hold then the offset can automatically be adjusted by the analyser when it detects that it s sampling ambient air If the device is being commissioned for Continuous monitoring then it is important to correctly set this value In this case the offset value entered here should be the Oxygen probe EMF reading at ambient air in the same polarity as shown on the display in Extended Display Mode Low O2 Calibration Options 80 0 to 120 0 in 0 1 increments Default value is 100 0 The low oxygen calibration factor can be used to fine tune the oxygen calcul
29. r 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 NN tech December 2013 2 FEN 1637 Mk Il O amp CO Analyser The Novatech model 1637 Mk II analyser is an instrument for measuring oxygen and carbon dioxide concentration in a sample of gas It has been designed for use in the food packaging industry where products are packaged in a modified atmosphere of nitrogen and or carbon dioxide The two modes of operation for the 1637 MK II device are Sample amp Hold and Continuous Sampling In Sample amp Hold Mode gas is extracted from the packaging via a sample line fitted with a hypodermic needle The needle penetrates the food packaging and the internal pump draws the package atmosphere into the analyser for measurement At the completion of each sample the oxygen and carbon dioxide levels are shown on the display as well as an indication of whether these values are within the pre determined range In Continuous Mode gas is either drawn into the analyser using the internal pump or pushed through the analyser using process pressure The oxygen and carbon dioxide content is continuously sampled and displayed on the device LCD For
30. r calibrate again to exit without making any changes Operators Manual NN tech December 2013 8 ENTE 1637 Mk II O amp CO Analyser 2 1 Turning on the 1637 Mk II 1 Plug the power lead into the analyser and the mains socket 2 Turn on the power noting there is a separate power switch on the side of the analyser where the power lead socket is located The display will light up and show the Novatech company logo along with software version serial number and last calibration date 3 Screw the sample line onto the 1 8 Swagelok tube connector above the mains socket on the right hand side of the analyser The oxygen amp carbon dioxide sensors inside the analyser take approximately 5 minutes to stabilise ready for sampling During this time there will be no readings displayed on the device 4 When the analyser is ready to sample it will alert the operator with a single loud beep the display should look like the below picture if there is no Carbon Dioxide then it will only have oxygen in the centre of the display O CO 20 95 0 0 001 Product 001 1 5 2 2 Taking a Reading 5 Insert the hypodermic through a piece of septum into a food pack to commence a gas reading The numbers on the display should start changing immediately Leave the needle in the pack for 5 to 10 seconds or until the head space is nearly all evacuated Take care not to suck any food product or liquid into the sample
31. r power control device to the oxygen sensor has been found to have failed Bluetooth Error The Bluetooth module on the main PCB has failed Wireless communications will be unavailable Operators Manual NN tech December 2013 22 FREE 1637 Mk Il O amp CO Analyser BLUETO The 1637 Mk ll analyser has an optional Bluetooth communications module allowing it to wirelessly link with Bluetooth enabled devices Using Bluetooth the analyser is able to perform tasks such as configuration of Products amp Alarm thresholds as well as exporting the contents of its internal sample log for easy viewing and manipulation The PC Interface software supplied by Novatech is compatible with Microsoft Windows and can be freely downloaded from the Novatech Controls website http www novatech com au Operating System Requirements e Microsoft Windows XP or newer e Bluetooth enabled PC At this stage there is no intention on the behalf of the manufacturer to produce software for any other operating systems or devices If you wish to produce your own software for use on other platforms details of the communications stack and protocols will be made available on request 5 1 Pairing Bluetooth Devices Before starting the program and communicating with your analyser for the first time you must first pair the analyser and the computer The procedure for this varies slightly for different operating systems Some steps below may require Admin
32. rbon Dioxide Low Process Alarms 3 4 Configuration Menu To Access the Configuration Menu the analyser must first be set to Extended Display Mode See Chapter 3 2 above on instructions on how to access this feature Once in Extended Display Mode to access the Configuration Menu while the analyser is idle press and hold the enter key for approximately 3 seconds from the main screen 01 Input Calibration Reference 1 Reference 2 Reference 3 Reference 4 These four options set the analog calibration for the analyser The analog reference points are located inside the analyser on the main PCB near the centre top During calibration these analog reference voltages are read using a digital multimeter and the respective values are entered into these four menus For further information on Analyser calibration refer to Chapter 6 Operators Manual N tech December 2013 14 PONER ES ds 1637 Mk Il O amp CO Analyser Chapter 3 Setting up the Analyser 02 Internal Clock Date amp Time Date Time Use the keypad to set the internal clock on the analyser This information is used as a timestamp on samples recorded in the product sample log As an alternative to this method for setting the date time the Bluetooth PC Interface can be used to sync the analyser internal clock to the connected PC Daylight Savings Options Enabled Disabled This flag can be used to adjust the time for daylight savings without adjusti
33. remote monitoring two isolated and fully programmable 4 20mA outputs and 4 programmable relays can be configured to give indication of whether the gas levels are within range and that the device is functioning correctly The 1637 Mk II has several key features that offer the user flexibility and ease of operation e Sample amp Hold or Continuous live monitoring of both Oxygen and Carbon Dioxide e Oxygen sensitivity down to 0 1ppm e Carbon Dioxide display resolution of 0 1 e Automatic calibration of oxygen amp carbon dioxide in Sample amp Hold Mode e 2x fully programmable isolated 4 20mA outputs for remote monitoring in Continuous Mode e Internal sample log which can be reviewed or downloaded to a PC e Large LCD display with local indication of Oxygen Carbon Dioxide during use December 2013 WEN Biech OperatorsManual 1637 Mk II O amp CO Analyser A CONTROLS m m 3 Chapter 1 Overview amp Specifications 1 1 Hardware Specifications Oxygen Range Oxygen Response Time Oxygen Accuracy Oxygen Display Resolution 30 0 to 100 1 00 to 29 99 100 to 10 000ppm 0 1 to 99 9ppm CO Range CO Response Time CO Accuracy 0 to 40 40 to 80 80 to 100 Gas Connection Communications Analog Outputs Analog Output Load Alarm Relays Mains Voltage Supply Mains Power Warm Up Time Environmental Rating Operating Temperature Relative Humidity Weight Dimensions Range of Analog Outputs Operators Manual 4
34. te relay SSR that controls the oxygen heater failing and short circuiting on then the device can automatically detect this and protect the oxygen sensor from being damaged If the SSR fail system is causing errors then it can be manually disabled This is not advisable 13 Transmit Options This menu is only visible if the analyser is set to Continuous Mode See Chapter 3 3 for details Output Range Options 4 20mA 0 20mA 4 20mA Restricted 0 20mA Restricted The two analog outputs can be scaled 4 20mA or 0 20mA The outputs are active powered and capable of driving 20mA 1000 ohms or 24mA 850 ohms By default the outputs once configured will transmit the process variable at alltimes Ifthe process variable is over or under scale then the output will likewise transmit out of range where possible The outputs can also be Restricted meaning they cannot transmit out of range and will saturate low or high if the process variable goes out of range Variable Invalid Options Hold OmA Hold 4mA Hold 20mA The analog outputs are always actively transmitting and cannot be switched off For instances that the process variable they are transmitting is invalid the output needs to have a hold level that will indicate that there is no valid value Operators Manual N tech December 2013 18 FEN 1637 Mk Il O amp CO Analyser Chapter 3 Setting up the Analyser 3 5 Product Selection Overview The 1637 Mk ll analyser
35. tention When an alarm is triggered the alarm LED on the front of the case will flash a single beep will be emitted and a short description of the alarm will appear on the display If the reason for the alarm is a sample gas reading outside of the defined alarm conditions then the operator acknowledges the alarm by pressing the alarm key to clear the alarm and ready the analyser for any new samples Sample gas alarm checks occur at the completion of a gas sample Hardware related alarms will trigger any time the analyser detects a problem The difference however is that hardware alarms do not clear once acknowledged by the operator and will remain active until the condition causing the alarm is resolved When a hardware alarm is acknowledged the alarm LED stops flashing but remains lit By pressing the alarm key again a list of active hardware alarms is displayed 4 1 Sample Gas Related Alarms The alarm parameters for the sample gas alarms are either set in the setup menu when product selection is disabled or via the product editing features described in Chapter 3 5 When a sample is completed and the oxygen amp CO readings have been recorded the new sample readings are checked against the alarm parameters High Oxygen Low Oxygen The oxygen measurement in the last sample is above or below the high oxygen alarm threshold The CO measurement in the last sample is above or below the high CO alarm threshold 4 2 Hardware Alarms The a
36. tioning in under a minute although it will not reach full stability and repeatability until the temperature has stabilised which takes approximately 15 minutes Before performing a calibration of the CO it is recommended to allow the device to stand in air for 60 minutes to allow the analyser to reach a steady operating temperature The CO calibration has two parts that can be selected individually from the calibration menu e Zero and Span Calibration e Mid Gas Calibration Zero and Span Calibration The Zero and Span calibration is an automated process requiring a 100 CO test gas It requires the cell to sample both 0 CO and 100 CO so that it can adjust the gain of its internal sensing circuitry to maximise reading resolution and accuracy Whilst doing this it also performs a zero and span calibration To perform a Zero and Span calibration start by preparing a 100 CO test gas bottle and regulator Press and hold the calibrate key for 2 seconds to display the calibration menu and select the first option Set CO Zero amp Span The display will prompt the operator to remove the needle from any CO source allowing the analyser to sample ambient air To continue press any key When prompted to insert the needle into a 100 CO source Use the regulator to set the 100 CO gas bottle to approximately 300cc min and place the sample needle inside the gas tube 2cm so that the sample pump is able to pull gas rather than having pr
37. tput calibration factors are found to be out of range then a Output x Error alarm is triggered During this calibration process the output signals will go open circuit for approximately 2 seconds each 6 1 Oxygen There is only one calibration adjustment necessary for the oxygen sensor Sensor Offset An incorrect value for the Sensor Offset will affect an oxygen reading at 21 by 1 for every 1mV error but will have very little effect on oxygen readings below 2 When in Sample amp Hold mode the Sensor Offset can be set to Automatic which allows the analyser to automatically detect when there is no sample gas present With no sample gas present the zirconia sensor should have no oxygen partial pressure difference across the cell and the analyser can trim the Sensor Offset accordingly When in Continuous mode the analyser is unable to automatically trim the Sensor Offset value To calibrate the oxygen Sensor Offset manually first set the analyser to Extended Display Mode Remove the sample line from any process or sample gas so that the analyser is sampling ambient air The oxygen sensor EMF should drop down to a steady reading of lt 2mV This mV value should be entered into the Calibration Menu 05 December 2013 WEN Biech Operators Manual 1637 Mk II O amp CO Analyser SSS CONTROLS mein 27 Chapter 6 Calibration 6 2 Carbon Dioxide After power is turned on to the analyser the carbon dioxide sensor will begin func
38. wer input uses a standard IEC type connector Operators Manual A Etech December 2013 6 SS 1637 Mk II O amp CO Analyser Chapter 1 Overview Specifications 1 4 LCD Display CO 2 03 31 5 20 95 0 0 001 Product 001 1 5 PRODUCT PETAT Oxygen current reading The large number on the left hand side of the display shows the current oxygen reading Oxygen sample reading The small number on the left hand side of the display will show the last oxygen sample taken When a new sample is being taken the previous sample will be removed and the oxygen sample remains hidden until the sample is complete Carbon Dioxide current reading The large number on the right hand side of the display shows the current carbon dioxide reading Carbon Dioxide sample reading The small number on the right hand side of the display will show the last carbon dioxide sample taken Refer to oxygen sample reading above for further information during sampling Product Number This is the index number of the currently selected product Product Name A brief description of the product that is currently selected Product Batch Count This is a counter that can be used when testing in multiple sample batches The first number is the current sample the second is the total number of samples to be testing in the batch December 2013 NS Etech Operators Manual 1637 Mk II O amp CO Analyser SORAD 7 Chapter 1 Overview amp
39. y low or no current is being drawn by the sample pump This alarm most likely means the physical connection to the sample pump has been broken or the sample pump itself has ceased working The pump may require replacement to resume operation Sample Pump Overload Excessively high current is being drawn by the sample pump and it has been disabled to prevent any serious damage to the analyser hardware Replacement of the sample pump will be necessary to resume operation Internal BBRAM Error The real time clock on the main PCB is backed up by a lithium battery to keep time while the system is powered down This alarm indicates that the battery backed RTC module has failed Internal Memory Error The internal flash memory for storing the sample log and device configuration has failed This will instantly render the device un calibrated and it should be returned for service and re calibration The data logging functionality will not be working ADC Hardware Check Fail The analogue to digital signal converter has failed to calibrate correctly In the event of this alarm the analyser will be rendered un useable and will require service and re calibration Output 1 Failure Output 2 Failure The two analog outputs have internal calibration and diagnostic abilities The two respective alarms will be triggered if the ADC cannot check calibration is within normal specifications or cannot detect any output signal Oxygen SSR Failure The heate
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