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Sensistor ISH2000

1. Figure 8 Sensistor ISH2000C dimensions Sensistor ISH2000P 69 0 23 275 0 9 wa R o o 140 0 46 i 6666 6 Ys RM gen Figure A 9 Sensistor ISH2000P dimensions EN 27 Sensistor ISH2000 Technical Reference Manual TRM Installation Sensistor ISH2000 Technical Reference Manual Detailed content Safety Storage transportation Connecting the detector to the installation Controlling the detector with the I O interface Controlling the detector with a PC computer through RS 232 Connecting the detector directly to a printer or another device Sensistor ISH2000 Technical Reference Manual TRM EN 28 100 100 Safety instructions The normal risks associated with working with all compressed gases must be considered Indicates a potentially hazardous situation which if not avoided could result in property damage ACAUTON Indicates a potentially hazardous situation which if not avoided could result in moderate or minor injury It may also be used to alert against unsafe practices Indicates a potentially hazardous situation which if not avoided could result in de
2. Printer connection RS232 commands and APC driver installation Figure B 2 Sensistor ISH2000 connections EN 31 Sensistor ISH2000 Technical Reference Manual TRM 210 Sensistor ISH2000C connections Printer connection RS232 commands APC driver installation Battery charger Figure B 3 Sensistor ISH200 C connections Sensistor ISH2000P connections Power input 24V Active Probe Control APC port See B 300 e a ppp OR OR OH OH OH OH HH OH ooo oo Printer connection RS232 commands and APC driver installation Figure B 4 Sensistor ISH2000P connections Sensistor ISH2000 Technical Reference Manual TRM EN 32 300 300 Controlling the detector with the I O interface 1 O Interface The Sensistor ISH2000 is equipped with a parallel Probe Control port This Probe control port can be used for controlling active probes feeding status sig nals to a supervising computer system and for simple test fixture control Note Battery operated model Sensistor ISH2000C does not have a Probe Con trol Port Pin configuration for the different detector models is described under Model Specific Specifications below See Sensistor ISH2000 Technical Specifications on page page 23 for electri cal specifications EN 33 Sensistor ISH2000 Technical Reference Manual TRM Probe C
3. Max 1 5 VDC EN 23 Sensistor ISH2000 Technical Reference Manual TRM 800 MN 288 Short circuit protection Thermal and electronic Thermal and electronic Output high 22 24 VDC gt Supply voltage 2 5 VDC Output low 1 5 VDC 1 5 VDC Serial communication port Connector 9 pol D sub male 9 pol D sub male 9 pol D sub male Standard RS232 RS232 RS232 Probe control Status port Connector 25 pin D sub female 9 pin D sub female Miscellaneous specifications Protection IEC529 IP64 front IP32 back IP63 in carrying case IP64 front IP32 back Net weight 3 9 kg 8 6 Ib 4 0 kg 8 8 Ib 1 8 kg 4 0 Ib 4 9 kg 10 8 incl case probe and charger Overall dimensions 275 155x170 mm 275 x 190 x 170 mm 275 x 140 x 75 mm 11 x 6 x 7 inches 11 x 7 x 7 inches 11 x 6 x 3 inches Environment 0 50 C 0 50 C 0 50 C temperature Environment 10 90 RH 10 90 RH 10 90 RH humidity Gas sensing specification In Detection Mode mbarl s air using 5 H2 4 x 10 7 mbarl s 95 as Tracer Gas R143a using 5 H 0 02 g a 95 as Tracer Gas Sensistor ISH2000 Technical Reference Manual TRM EN 24 900 Gas sensing specification In Analysis Mode Tracer Gas ppm H5 0 5 ppm 0 5 2000 ppm Typ 15 of reading Typ 10 of 0 296 within 0 1 10
4. Probe tip Figure E 2 Connect a hose to the gas regulator d Purge the hose with low flow of reference gas 1 5 cc s If you put the hose in a glass of water it should NOT boil the water but only release a gentle stream of bubbles 2 Preparing the Hydrogen Sensor a Switch power OFF on Sensistor ISH2000 b Connect the probe and probe cable according to Manual c Start Sensistor ISH2000 in service mode by doing the following i Press and hold the right button while switching power ON ii Release button when text screen appears If logo appears you released the button too late try again iii Go to service mode display after warm up period d Remove probe tip protection cap Wait minimum 10 minutes more to stabilize sensor 3 Sensitivity Test with Reference Gas 10 ppm a Make absolutely sure there is no abnormal increase of Hydrogen in the background i e avoid smoking in the room releasing tracer gas in big clouds flatulence etc Make sure you have as normal background of H2 as possible 0 5 ppm b Check that the Signal is 0 00E 00 see See Figure E 3 Service mode screen Diod Wolume Figure E 3 Service mode screen c Open a gas flow of about 1 5 cc s d Wait until you are sure there is only the 10 ppm gas in the hose e Insert the probe tip without protection cap minimum 1 cm into the open end of the hose See See Figure E 2 Connect a hose to the gas reg ulator There
5. rr eder ex rex he bee o due 46 C 201 Menu system eterne derent innen indere eterne enne 48 C210 PasswOId cu E n tun 54 C 211 Operation of the leak detector C 300 Calibration of the leak detector C304 Correlation valu si tct rte p dco dao C 305 Reference values settings sss 63 C 410 Headphoh s oec te t die eee tee de e e eoa 64 C 500 Factory configuration of the leak detector parameters 65 C 570 Date Time Language Unit sssssssssssseeeeem eee 67 C 580 Service mode och debug mode sssssssssseeee 68 D 100 Prevenitiye maintenance aa 73 D 200 General troubleshooting guide ssssssss D 300 Reference leak trouble guide E 100 Maintenance operations introduction E 120 Sending the leak detection for repair to a service center 80 E 130 F nctiorial verificatiOn pae t p Re 81 E 140 Service MON ibn e uta 84 E 160 Software and documentation evolution 85 E230 Sensistor I5H2000 Main board 86 E 410 Instrument maintenance sssssssssssse eene 88 E411 PFODE MAINTENANCE Js edente stet tod e t do hole ote E eve
6. 2 Release the PCB by losing the locknuts on the D Sub connectors and the LEMO connector Figure E 18 D Sub Figure E 20 PCB Sensistor ISH2000 Technical Reference Manual TRM EN 96 410 Removal of speaker Unscrew the speaker Philip Head Screws as shown in the picture to the right Figure E 21 Removal of speaker Removal of display Remove the display by unscrewing the 4 Torx screws as shown in the figure to the right Figure E 22 Removal of display EN 97 Sensistor ISH2000 Technical Reference Manual TRM 410 Removal of panel buttons Unscrew the panel button card Philip Head Screws as shown in the pictures to the right Figure E 24 Panel button card Note When mounted the high buttons shall be mounted in the two middle holes When mounting the Main PCB the lower nut on LEMO connector with washer must be located 6 mm above the PCB surface Sensistor ISH2000 Technical Reference Manual TRM EN 98 411 Probe maintenance Tools needed E 411 598 160 Nut probe tip 10 mm spanner 591 802 Allen key 5655 M4x6 2 mm Allen key steel 591 803 Allen key screw 2 5 mm Allen key MC6S M3x20 fz T B A Spanner for noched DCH 91 161 PA LEMO probe nuts Changing the Probe Tip 1 Turn off the instrument 2 Loosen the safety nut with the appropriate tool from INFI CON AB or with a 10 mm wrench Figure E 25 Loosen the safety nut 3
7. Example 2 5 04 LF This example is a line feed LF R means that the test was above the Reject Level alarm limit and the value was 2 5E 04 For passive probes for example P50 and AP57 data is printed when a signal is detected above Reject Level or when the print button is pressed Activate this under Measure Button menu For active probes e g AP29 data is printed at end of measurement sequence Printing of the current value can also be requested by an RS232 command or ordered manually by pressing PRINT A custom APC program setting the MEAS flag prints as AP55 AP29 and an APC program not using MEAS flag prints as P50 Detection data output The Detection Data Output option is intended for automated scanning of weld seams etc Note The Detection Data is expressed in arbitrary units Detection Mode signal is not affected by calibration Communication specifications Setting Value Data rate 9600 baud Data bits 8 Stop bits 1 Parity None Flow control None The data format for Detection data output contains of ten ASCII characters Nine characters show the value in engineering format and one character shows linefeed LF The print time is 50Hz continuous streaming data Sensistor ISH2000 Technical Reference Manual TRM Sensistor ISH2000 Technical Reference Manual Detailed content Getting started with the leak detector Operating principle o
8. Sensor Temp Diode voltage from the gas sensor out of the range 544 612 mV Check that the sensor is properly connected to the probe If the fault persists replace the sensor No sound in Detection Mode and Analysis Mode Sound set low Press the button repeat edly Broken speaker Replace the speaker No picture on display no sound Fuse broken Check the fuse Broken Main Cable Replace the Main Cable Discharged battery Broken Main PCB Replace the Main PCB No picture but only sound when exposed to gas Display setting may be wrong Watch the display from the side at a low angle and aim a lamp at the screen Try to see the text so that you can enter the Display Settings menu and adjust contrast and brightness Display or Inverter Cable loose Reconnect loose wiring Display Lamp broken Replace the display Loss of spots or black lines on screen Internal contact to LCD broken Replace the display Bad sound out of the speaker Broken speaker Replace the speaker Sensistor ISH2000 Technical Reference Manual TRM EN 74 EN 75 D 200 Short operating time on battery model Old or broken battery Replace the battery The time and dates resets at restart The clock battery is empty Replace the clock battery on the Main PCB Settings lost on restart The main PCB Memories broken Flash Memorie
9. 786 50 591 772 11 591 500 31 591 497 51 598 177 12 591 515 32 591 796 52 591 809 13 598 043 33 591 797 53 591 577 14 591 791 34 591 798 54 591 317 15 591 790 35 591 787 55 598 173 17 591 775 36 598 174 56 591 810 18 591 778 37 591 266 57 591 017 19 591 532 38 591 527 58 591 142 20 591 492 40 591 482 EN 13 Sensistor ISH2000 Technical Reference Manual TRM 700 Sensistor ISH2000C Figure 5 Sensistor ISH2000C components Sensistor ISH2000 Technical Reference Manual TRM EN 14 700 Sensistor ISH2000C components according to Figure 5 on page 14 Position P N Position P N Position P N 1 598 170 19 591 532 36 598 174 2 591 770 20 591 492 37 591 266 3 591 498 21 591 493 38 591 527 4 591 771 22 591 499 39 598 178 5 591 533 23 591 494 40 591 782 6 591 773 24 598 166 41 591 328 7 591 779 25 591 502 42 591 452 8 591 780 26 591 503 43 591 806 9 598 121 27 591 298 44 591 327 10 591 501 28 591 488 45 598 172 11 591 500 29 591 490 46 591 538 12 591 515 30 591 786 48 591 785 13 598 043 31 591 497 49 591 807 14 591 791 32 591 796 50 598 173 15 591 790 33 591 797 51 591 777 17 591 775 34 591 798 52 591 810 18 591 778 35 591 787 53 591 810 EN 15 Sensistor ISH2000 Technical Reference Manual TRM 700 Sensistor ISH2000P Green d
10. COMBOX version 1 05 78 Salli clr Install Select program COM COM1 Figure F 2 Sensistor ISH2000 software installer 4 Choose program and com port 5 Press download EN 105 Sensistor ISH2000 Technical Reference Manual TRM F 800 6 Turn the instrument 7 Wait for download 8 The following windows on next page appears when the installation is com plete 9 Repeat for downloading probe software File Help Installation instructions 1 Turn off the instrument 2 Connect the cable 3 Choose program and com port Sensistor ISH2000 version 6 05 17 4 Press download P50 and COMBOX version 1 05 78 2 ere o ent Install ASH 2000 6004 ver 6 02 00 Waiting for device Programming Instrument Flash RTC set to 2011 09 07 08 53 51 Temp 24C Ome Cini Download Select program File Installation instructions 1 Turn off the instrument 2 Connect the cable 3 Choose program and com port Sensistor ISH2000 version 6 05 17 4 Press download P50 and COMBOX version 1 05 78 Sea eet Install Waiting for device Select program Programming Probe Flash Dore Download Figure F 4 Sensistor ISH2000 installer after installation of the probe software Sensistor ISH2000 Technical Reference Manual TRM EN 106 EN 107 F 800 APC Installer Installation instructions 1 Turn off the instrument 2 Conne
11. P50 1 2 3 4 6 Counter Flow Hand Probe 1 2 3 4 6 AP57 Sniffer Hand Probe AP55 1 2 4 5 6 Sampling Units AP29 and 1 2 4 5 6 H28 APC driver with active test 1 2 4 5 6 using MEAS flag APC driver not using 1 2 3 4 6 MEAS flag Analysis data output The Analysis Data Output option is intended for transferring test results to a supervising computer system such as for example a PLC system Communication specifications Setting Value Data rate 9600 baud Data bits 8 Stop bits 1 Parity None Flow control None The data format for Analysis data output consists of nine ASCII characters Seven characters show the value in engineering format one character shows the result of the test and one character shows line feed LF The character indicating the result of the test is one of the following Character Result of the test A Accept Previous test was below Reject Level alarm limit R Reject Previous test was above Reject Level alarm limit P Rejected by Purging Previous test was above purge limit and Reject level limit C Calibration approved Previous cycle was calibration Calibration was approved F Calibration failed Previous cycle was calibration E Test interrupted by Error that occurred during cycle probe or sensor error etc Sensistor ISH2000 Technical Reference Manual TRM EN 42 EN 43 B 320
12. Sensistor ISH2000 Technical Reference Manual TRM 110 Supplies and storage The following parts are supplied with your detector B 110 Sensistor ISH2000 Sensistor ISH2000C Sensistor ISH2000P Detector unit Detector unit Detector unit Hand Probe P50 Hand Probe P50 Optional Brackets Optional P50 Flex P50 Flex Probe cable C21 Probe cable C21 Screws Power cable the power Battery charger the bat O rings seal cable is country specific tery charger are country and may differ specific and may differ User manual User manual User manual User manual CD User manual CD User manual CD Product return form Product return form Product return form Sample Kit Probe Tip Prot Sample Kit Probe Tip Prot Phoenix contact Case For prolonged storage factors such as temperature humidity saline atmo sphere etc may damage the detector elements Please call your local representative for further information Sensistor ISH2000 Technical Reference Manual TRM EN 30 210 210 Connecting the detector to the installation Ports and connections Sensistor ISH2000 Mounting plate screw hole Probe control port Power input Printer port Power switch Fuse Figure B 1 Sensistor ISH2000 back panel Sensistor ISH2000 connections Active Probe Control APC port See B 300 I Power input 100 240 VAC I sue i
13. display in Analy sis Mode and Combined Mode The calibration parameters will be stored into the probe There is a possibility to calibrate the detector by Reference Gas or Reference Leak A Reference Gas contains a well defined concentration of Hydrogen gas in ppm mixed by air or some inert gas A Certificate will normal follow the gas bottles Reference Gas can be ordered from local gas suppliers A Reference Leak is a well defined gas leak and should be feed by same gas as using in the detection test and with a gas pressure that is defined in the Refer ence Leak certificate Reference Leak can be ordered from the detector pro vider Choose a calibration reference size as follows recommendations Same or higher than the Reject Level but maximum 10 times higher In one of the following ranges 5 to 1000 ppm H2 1x10 5 to 1x10 2 cc s mbarl s defined for air 3 to 300 g a defined for R134a Please contact the provider of the detector for help to select optimal calibration reference for your application Sensistor ISH2000 Technical Reference Manual TRM Calibration procedure Calibration intervals Low sensitivity warning C 300 Before calibration the Reference Value in the Calibration Menu must be set See With reference gas and With reference leak below When calibrating expose the probe to the background air then do the follow ing steps 1 First Menu then Calibration Calibrate Enter 2
14. disposable wristband To achieve this goal we invite you to order the ESD KIT and install it in your Service Center as soon as possible See B 100 B 100 Safety instructions on page 29 TORX screwdriver x mm Allen key Philips head screwdriver MA Voltmeter Tr NT Screwdriver for slotted Ma Ohmmeter pad head screws Figure E 1 Icons used Sensistor ISH2000 Technical Reference Manual TRM Product return form WEEE standard RoHS E 120 E 120 Sending the leak detection for repair to a service center See How To Contact INFICON on page 103 WEEE directive INFICON products like portable helium leak detectors gauges or vacuum mea surement devices fall within the scope of the WEEE directive INFICON AB provides a collection and recycling service for used electrical and electronic products Any obligation of the manufacturer to take back such equipment shall apply only to complete not amended or modified equipment using Alcatel Vacuum Technology original spare parts delivered by Alcatel Vacuum Technology con taining i e all its components and sub assemblies This obligation will not cover the shipping cost to an INFICON AB take back facility RoHS directive The RoHS directive aims to limite the use of certain substances lead mercury cadmium hexavalent chromium PBDE and PBE commonly used in designing electrical and electronic equipment INFICON products do not fall within the scop
15. high full scale within the first few seconds Set the sensitivity This can be done permanently under the menu Detection Mode Settings or temporarily as a Direct Sensitivity Adjustment on the display unless you have set this function to OFF under the Detection Mode Settings menu There is also an Auto ranging function which can be selected under the Detec tion Mode Settings menu Note If the Detection Mode is used and the alarm function is required to be activated at a particular calibrated level then the unit must be calibrated in accordance with the instructions The reason for this is that the alarm is based on the Analysis Mode when the Detection Mode is displayed Note The Detection Mode or use the detection bar in Combined Mode is used to locate leaks This mode is semi quantitative that is it gives an audio and visual signal which increases as a leak is approached a higher gas concen tration and decreases as you move the probe away from the leak It does not display figures In this mode of operation leaks can easily be detected using a sensitivity which can be preset Leaks can be located very accurately even when there are other leaks nearby If for example you are trying to locate a leak on a product and the product has a major leak then you will get an audio signal as soon as the probe is placed close to the product Sensistor ISH2000 Technical Reference Manual TRM C 211 When the probe is moved around
16. must be no pressure on the sensor f Wait until the signal has stabilized takes a few seconds g Read the Signal and then remove the probe Close gas flow The Signal is given in scientific engineering format Examples e 7 50E 01 7 5 x 10 1 0 75 e 1 40E 0 0 1 4 x 1002 1 4 Sensistor ISH2000 Technical Reference Manual TRM EN 82 130 h Acceptance level for new sensor is minimum 1 2 1 20E 00 i If the Signal is below 1 2 Wait at least 10 minutes leave instrument on and then repeat the test If the Signal after a repeated test is still below 1 2 the sensor is to be considered no good for delivery Sensitivity fault analysis The following questions below are useful to detect a problem i 1 False signals Low sensitivity The Reject level should have been designed to 10 ppm H2 or more For Reject levels it is normal to change sensor 1 2 times per year No explanation No explanation Frequent unexplained Service Mode Signals above 0 18 that can be confirmed at the service center are grounds for warranty replacement Service Mode Signal is read in Service Mode See instructions for Sensitivity Test Figure E 4 Sensitivity fault analysis EN 83 Sensistor ISH2000 Technical Reference Manual TRM Show Password System Reset Detector Signal Level Trigg Level Minimum Calibration Time Battery Mode E 140 E 140 Service menu The Service Mode is reached by starting
17. selected using the and buttons scales for setting numeric values languages etc messages Sensistor ISH2000C A battery status indicator in the upper right corner where 13 5 V indicates discharged state and 16 0 V indicates that the battery is fully charged six main menus Their positions are indicated on a horizontal scale Change from one menu to another using the and buttons The two LEDs indicate the status of the instrument as follows e Green flashing slowly during warming up phase Green fixed light indicates that instrument is ready and hydrogen signal is below Reject Level limit Red fixed light together with Reject on display means the instrument has detected a leak larger than the set alarm limit Red flashing rapidly check mes sage on screen See Trouble shooting on page 74 Sensistor ISH2000 Technical Reference Manual TRM EN 46 Push buttons Demo Mode EN 47 C 200 The functions of the push buttons are shown at the lower edge of the display In this manual the buttons are numbered from left to right 1 2 3 and 4 The push buttons are used to Change from one menu item to another using the and gt buttons Press Enter to move down to the nearest submenu Press Save to save the set value Press Undo to restore the previously set value Press Esc to move up to the nearest higher level s Demo Mode is a demonstration mode special designed for seller
18. the instrument and at the same time hold the right button down on the panel After start a new main menu called Service Settings will appear Shows the chosen password in case the customer has forgotten the password Contact INFICON AB to have the code sent to you Resets all parameters to default settings stored in the detector and the prob if it is connected Contact INFICON AB to have the code sent to you The Detector Signal Level is the level below which the sensor is considered to have recovered from the last gas signal It decides when the DET SIGNAL out put will come on This signal can be used to block the start of a calibration or new test cycle in semi and fully automatic testers If DET SIGNAL is high then this means that the sensor has detected hydrogen and has not yet recovered Detector Signal Level can be adjusted in the Service Settings menu You can increase Detector Signal Level if you have many small disturbing signals A high setting of Detector Signal Level gives better tolerance to noise gas signals at the expense of accuracy A low setting gives best accuracy but lower tolerance for noise gas signals The Detector Signal Level is set as 1 to 10096 of the Reject Level Default is 2096 NOTICE Increasing the Detector Signal Level may give poorer accuracy Upper Limit setting for Peak hold in analysis mode Lower limit setting for the timer which is used during calibration Contact INFI CON AB to have the c
19. to pick up by the detector simply because there is mainly air passing through the leak to start with What they should do is purge the hose from air before attaching it to the leak Also remember to use the purge valve on the leak itself to release any air trapped inside the leak housing and replace it with tracer gas Sensistor ISH2000 Technical Reference Manual TRM EN 76 This page intentionally left blank EN 77 Sensistor ISH2000 Technical Reference Manual TRM Maintenance sheets Sensistor ISH2000 Technical Reference Manual Detailed content Maintenance operations introduction Sending the leak detection for reparation to a service center Functional verification Service Menu Software and documentation evolution Sensistor ISH2000 Main board Sensistor ISH2000 Wiring diagram Instrument maintenance Probe maintenance Sensistor ISH2000 Technical Reference Manual TRM EN 78 Electrostatic discharge ESD protected equipment Safety instructions Icons used EN 79 E 100 E 100 Maintenance operations introduction To a greater or lesser extent all contact between objects separation of one item from another or sliding of one thing on another causes a disturbance of elec trical charge When charge disturbances take place faster than charge redistri bution static charge accumulates Amongst the greatest generators of static electricity are people It can be readily sho
20. 2 Sensistor ISH2000C The battery operated model Sensistor ISH2000C has all the Sensistor ISH2000 features apart from the APC system This means that only passive probes for example Hand Probe P50 can be used The battery a Li ion battery at 14 8 V can not support the current required to operate external probes Sensistor ISH2000C will operate for 14 hours on a fully charged battery with screensaver and mute function One hour charging will give about one hour of operating time Sensistor ISH2000P 4 INF ICON Sensor Figure 3 Sensistor ISH2000P The panel mount model Sensistor ISH2000P has identical features of the Sen sistor ISH2000 The difference is that the Sensistor ISH2000 can be installed in EN 5 Sensistor ISH2000 Technical Reference Manual TRM 300 the operator s panel or any other flat surface Also it operates on 24 VDC Mounting brackets and a panel rubber seal are delivered with the detector Sensistor ISH2000 Technical Reference Manual TRM EN 6 Sensor Technology EN 7 A 400 A 300 Sensor Technologies working principle The Sensistor ISH2000 leak detector is using SENSISTOR sensor technology inside SENSISTOR sensor technology uses an extremely sensitive hydrogen gas sensor based on a microelectronic field effect transistor MOS FET The gas sensitivity appears when hydrogen absorbs into the sensor through a metal alloy metal hydride layer Only hydrogen can diffuse into
21. All APC driv ers for standard probes and filler will be selectable The seller can easily swap between the different drivers and won t need to download them To set the Detector in Demo Mode e Select Menu General Settings Change Password e Enter DEMO Confirm New Password DEMO Select driver under menu APC Settings Probe Type The word DEMO will be shown at start up To turn Demo Mode off repeat the list above Sensistor ISH2000 Technical Reference Manual TRM C 201 C 201 Menu system The menu system is designed as a tree structure similar to that used in mobile telephones The display shows all the levels when browsing down through the menus so that you can always see exactly where you are INFICON ISensistor ISH2000 G 6 Figure C 2 Push buttons To enter the menus press Menu button 4 Press and button 2 and button 3 to choose between main menus If no setting is made in a menu or its submenus within 60 seconds the instru ment will revert to the Detection Mode Analysis Mode The buttons may change functions in different menues Always read the text just above the buttons in the display for the button functions All changes in values are valid only when saved using the Save button button 4 Use the Undo button button 1 to delete a change in value and revert to the previous setting Use the Esc button button 1 to browse backwards through the menus to the start position
22. Detection Mode Analysis Mode Combined Mode To change quickly from Detection Mode to Analysis Mode or vice versa press button 3 three times in succession Sensistor ISH2000 Technical Reference Manual TRM EN 48 Sensistor ISH2000 v 6 0 Menu System EN 49 Calib Referenc ration 1 Password Figure C 3 Menu system C 201 Sensistor ISH2000 Technical Reference Manual TRM Change test mode Calibration Detection mode settings Analysis mode settings C 201 Choose the measuring method you will use in the menu Change Test Mode There are three different methods to choose e Analysis Mode Detection Mode e Combined Mode Enter Figure C 4 Change test mode screen example The instrument must be calibrated by using the integral calibration function to ensure it displays the correct values in Analysis Mode Combined Mode After calibration the instrument will show the correct measured values on the display The calibration parameters will be stored into the probe Figure C 5 Calibration screen example In Detection Mode the signal is displayed in the form of a bar The length of the bar varies with the gas concentration Sensitivity Molume Meru Figure C 6 Detection mode screen example In Analysis Mode the measured value is displayed in figures The default unit is in PPM but it is possible to choose other units See C 500 Factory config
23. ERROR HIGH means that there is a problem with the sensor probe or cable DET WAIT is high when instrument is in warm up mode after switching on power Instrument will also go into warm up if there is a temporary fault in the sensor or sensor connection The timing of the status signals in relation to different events is described by the following two examples Example Input signals issued to control the APC system should have a pulse length of at least 40 ms Example Output signals switch with a cycle time of 20 ms 0 02 s This is the Cycle time of the APC system Note Not valid for battery operated version of Sensistor ISH2000 Sensistor ISH2000 Technical Reference Manual TRM 300 Status signal after power on Power off Poweron Warming up Detection or analysis mode No gas detected DET_ERROR DET_ON DET_WAIT DET_SIGNAL LEAK_OUT Figure B 6 Status signals after power on Status signal when detecting a gas signal Gas signal Purge level Reject level Detector signal level PPM DET SIGNAL LEAK OUT PURGE LEVEL Trigger APC Figure B 7 Status signals when detecting a gas signal Sensistor ISH2000 Technical Reference Manual TRM EN 36 B 310 310 Controlling the detector with a PC computer through the RS 232 interface RS 232 interface The RS 232 interface makes it possible to control the leak detector with a PC compat
24. Protection Cap and filter Part No 591 273 Probe Tip Protection Cap set of 50 590 625 Probe Tip Protection Cap set of 500 591 234 EN 19 Sensistor ISH2000 Technical Reference Manual TRM Combox This page intentionally left blank A 701 Probe adapter for AP29ECO H65 AP55 and AP57 Part No 590 820 C 21 Probe Cables In various lengths for comfortable leak detection in every situation Part No 590 161 3m 590 175 6 m 590 165 9 m 590 163 4 m spiral 590 164 6 m spiral Sensistor ISH2000 Technical Reference Manual TRM EN 20 Reference Leaks Part No 590 420 590 421 590 422 590 427 590 429 Type A Type B Type C Type D Type G 5x10 atm ml s 5x10 atm ml s 5x10 atm ml s 10 g a R134a 3 g a R134a Power cables Part No 591 146 Power cable eu 591 147 Power cable uk 591 853 Power cable us Fuse Part No 591 578 EN 21 Sensistor ISH2000 Technical Reference Manual TRM 800 Part No 591 329 Carrying case Battery charger Part No 591 795 Hand Probe sensor Part No 590 292 Mounting kit Part No 590 810 Phoenix connector to Sensistor ISH2000P Part No 591 792 O ring seal Part No 591 528 Sensistor ISH2000 Technical Reference Manual TRM EN 22 800 800 Sensistor ISH2000 Technical specifi
25. Push the Start button or push the probe button 3 Expose the probe for the reference gas leak The probe does not have to be exposed to the to the calibration gas during the whole Calibration Time the time set in the Calibration Menu while the bar is moving The instrument only measures the change as the probe goes from the background air to calibration gas While the calibration time bar is moving the probe should be exposed to the calibration gas or referenece leak Then the display shows Detecting Gas and gives sound signals Save or repeat the calibration routine until you can save the calibration If the calibration is not saved the instrument will revert to the previ ous value after one minute Note You will need to repeat the calibation 2 3 times to get Calibration OK after changing setup or probe Allow at least 30 seconds between each calibration for best accuracy If the message No Gas or Unstable Signal is displayed repeatedly go back to Detetion Mode and check functionality e f Repeat Calibration is displayed then this means that the measured value devated more than 1096 from the previous calibration Repeat the calibration procedure Also set the Analysis Unit to the same as the Reference Value If you want to use another unit you have to put a recalculation number into Correlation Value which describes the relationship between the different units Calibration is a natural part of leak measurement and an
26. Remove the tip by hand The o ring creates some friction 4 Remove the sensor by draw ing it straight out 5 Mount a new sensor Make sure it turns in the correct direc tion 6 Observe the contact area between the probe pipe and the sensor They should contact each other 7 Mount the union nut 8 Tighten with a suitable tool Figure E 26 EN 99 Sensistor ISH2000 Technical Reference Manual TRM 411 Dismantling probe 1 Loosen the LEMO contact nut using a spanner for noched probe nuts Figure E 27 LEMO connector 2 Unscrew the 2 screws at the but tom as shown in the picture to the right Figure E 28 2 screws 3 Gently separate the 2 parts Figure E 29 Separated pars Sensistor ISH2000 Technical Reference Manual TRM EN 100 4 When changing the PCB the cables must be removed by soldering 5 To replace the probe tube release the safety screw by using an Allen key Heat the probe connection with a warm gun lift and loosen the probe tube At assembly the probe tube must be bonded with Loctite Note When mounting ensure that the nut on the Lemo connector on the the PCB is properly adjusted distance shall be 9 mm from LEMO s edge to the nut EN 101 E 411 Figure E 30 Figure E 31 Sensistor ISH2000 Technical Reference Manual TRM Appendix Sensistor ISH2000 Technical Reference Manual Detailed content Service Tools Sensi
27. a non polluted background i e typically 0 5 ppm Hydrogen When using a reference gas this is essential If the background is close to the concentration in the reference gas you will get no signal If the background concentration is higher than the reference you will even get a negative signal i e signal appears when reference gas is removed When using a reference leak the problem is less pronounced as the leak adds gas to the background The calibration will however be significantly affected if background is higher than the resulting concentration added by the leak Calibrating in a high background will however always result in making the detector more sensitive This means quality is not affected Some good prod ucts may be rejected but no bad products will be passed On the following page are detailed instructions for testing the sensor with 10 ppm Reference Gas Using Reference Gas 1 Preparing the Reference Gas a Check the reference gas type must be 10 ppm Hydrogen in synthetic air b Connect pressure regulator to the gas bottle IMPORTANT Never use a regulator that has previously been used for the 596 tracer gas This may contaminate the reference gas bottle and alter the concentration c Connect a hose to the gas regulator complete with mouthpiece or a piece of 11 15 mm inner diameter hose to slide over probe tip Sensistor ISH2000 Technical Reference Manual TRM 130 11 15 mm 5 Gas flow
28. and over the product the signal will increase as the probe approaches the leak If the signal goes out of scale simply reduce the sensitivity setting to bring the signal within the scale Working with the sen sitivity setting this way you will be able to locate multiple leaks that are in close proximity to each other Note Working inside a confined space such as for example a cabinet or a nar row passage on a combustion engine there is a risk that the background con centration accumulates to levels close to the upper detection limit of the detector In such case it will not be possible to locate leaks as easily as in open spaces Hint Do not expose the probe to more gas than is necessary because it will slowly saturate with time It is good practice to detect a leak locate it and immediately remove the probe to avoid saturation The probe is not damaged by the exposure but it will recover more slowly After excessive exposure it will be less sensitive for a short period of time To quantify leaks The Analysis Mode or use the analysis figures in Combined Mode is used for measuring the size of a leak or the concentration of a gas sample To be able to do this measurement and obtain correct values the instrument must first be calibrated using the calibration function In the Analysis Mode the detector determines the gas concentration from the change as the probe goes from being exposed to background to being exposed to a certain
29. arphone jack LL 1019 Speaker E 6 Main PCB EN 87 Sensistor ISH2000 Technical Reference Manual TRM E 410 Instrument maintenance Tools needed E 410 P N Sensistor ISH2000 Tools Supplier 591 533 Torx screw MRT Torx TX10 M3x10 591 791 Torx screw MRT Torx TX10 M3x12 591 790 Philips head screw Philips head screw MFX Z 3x6 driver PH1 591 493 Slotted head screw Screw driver for slot MCS M1 6x8 ted head screw 591 499 Hexagonal nuts 6 mm spanner M6M M1 6 591 487 Torx screw MRT4x20 Torx TX20 591 488 Torx screw MFT Torx TX20 M4x8 591 490 Allen Key Screw 4 mm Allen key MC6S M5x55 591 787 Philips head screw Philips head screw RXK Z ST2 2x4 5 driver PH1 591 607 Philips head screw Philips head screw M3x8 svartkrom driver PH1 591 013 Nut M6M M3 A2 6 mm spanner 591 538 Screw Lock G5 4 5 mm spanner mm 5 3mm 591 452 Allen Key Screw K6SF 5 mm Allen key 8 10 10 Purchase from Spanner for noched DCH 91 161 PA LEMO the supplier nuts phoenix prob Sensistor ISH2000 Technical Reference Manual TRM EN 88 410 Dismantling Sensistor ISH2000 1 Turn off the instrument and remove power supply 2 Unscrew the two torx screws T20 on the back side of the unit 3 Open the instrument by pulling out the front as shown in the pic ture to the right Figure E 8 Pull out the front EN 89 Sensistor ISH2000 Technical Refere
30. ath or severe injury DANGER Indicates an imminently hazardous situation that if not avoided will result in death or severe injury extreme situations WARNING A Pure hydrogen is a flammable gas Only use ready made Hydrogen Tracer Gas of 5 Hydrogen in Nitrogen This is a standard industrial gas mixture used in various industrial applications Note Whenever the word Hydrogen is used in this manual it implies that the hydrogen gas is safely mixed with Nitrogen in the proportions 5 H5 95 WARNING A Since the tracer gas mix contains no oxygen releasing large amounts of gas in a confined space may lead to asphyxiation WARNING A Compressed gases contain a great deal of stored energy Always carefully secure gas bottles before connecting pressure regulator Never transport gas bottle with the pressure regulator fitted Before connecting tracer gas confirm that the connectors or test object is designed for working at the test pressure WARNING A Pressurising objects at too high pressures can result in a burst object This in turn can result in serious injury or even death Never pressurise objects that have not previously been burst tested or otherwise approved for the chosen test pressure Leak detector label Located at the back of the Sensistor ISH2000 a label indicates the electrical specifications of the leak detector and its serial number EN 29
31. be modified without prior notice n INFICON AB nipa60el a 1202 All information can Publicatio Sensistor ISH2000 HYDROGEN LEAK DETECTOR Technical Reference Manual 6 INFICON General content A 100 Introduction to the Sensistor ISH2000 series 5 A 300 Sensor Technologies working principle A400 Testing fiethods in er eer etate oret edem tapes ipea eR A401 About Eydrogeri iioii tenter deve to testet gud Led urea qd 9 gstEersi qu T 10 A 700 Sensistor ISH2000 Components ssssssssse eee 11 A 701 Spare parts and accessories ssssssssssssssee eee 17 A 800 Sensistor ISH2000 Technical specifications 22 A900 DIMENSIONS 25 B100 Safety Instructions x ete eee erae Ox I 29 B110 Supplies and Storage inerte ee iode ret tape LR Ll ERR od 30 B 210 Connecting the detector to the installation 31 B 300 Controlling the detector with the interface 33 B 310 Controlling the detector with a PC computer through the RS 232 interface 37 B 320 Connecting the detector directly to a printer or another device 40 100 Getting started with the leak detector 45 C 200 Controlp hel
32. cations Power supply specifications Power Sensistor ISH2000 Sensistor ISH2000C Sensistor ISH2000P AC mains voltage 100 240 V 50 60Hz AC mains voltage to the 100 240 V50 60 Hz charger AC mains current Typically 1 A 2 A pulse at power on AC mains current to the Typically 300 mA charger Fuse 2 slow 250 VAC Nominal battery voltage 16 1 VDC nominal The unit will shutdown at approx 12VDC and will be opera tional at approx 14VDC Operating time 8h Charging time 6 5h Power supply voltage 24 VDC Power supply current Input and output connections Type Sensistor ISH2000 Sensistor ISH2000C Sensistor ISH2000P General Power input connector AC input connector IES 320 Charger input connector 2 1 x 5 5 mm std Positive centre 4 pin Phoenix MC 1 5 5 81 Series Detachable screw ter minal Probe control port inputs Minimum pulse length 40 ms 40 ms Input impedance 50k ohm 50k ohm Input maximum range 34 to 38 VDC 34 to 38 VDC Input high gt 12 0 VDC gt 12 0 VDC Input low lt 8 0 VDC lt 8 0 VDC Probe control port outputs Output current max 0 5 A output max 2 5 A total max 0 5 A output max 2 5 A total Inductive loads External clamp diodes recommended External clamp diodes rec ommended Low stage voltage Max 1 5 VDC
33. ct a a standard RS232 null modem cable between the computer and the instrument 3 Double click the APC Installer file 4 Choose probe language and com port 5 Press download 6 Turn on the instrument 7 Wait for download 8 The following window on next page appears when the installation is complete File Help Installation instructions 1 Turn off the instrument 2 Connect the cable 3 Choose probe language and com port 4 Press download 5 Turn on the instrument APC Installer 6 Wait for download Choose instrument ISH2000 H2000 Calibrate through AP29 v1 9 3 X Reference Port Sample Port Device ASH 2000 6004 ver 6 02 00 Download successful Combox is required Figure F 5 APC Install after installation of software Sensistor ISH2000 Technical Reference Manual TRM 6 INFICON INFICON AB Box 76 SE 581 02 Link ping Sweden Phone 46 0 13 35 59 00 Fax 46 0 13 35 59 01 www inficon com E mail reach sweden inficon com
34. describes the relationship between the different units This might be necessary when you want to display Reject Level unit other than the reference leak rate unit Useful also for correct the value when volume and time affect the measure value result in accumulation test Example To use mbarl s as an calibrate reference unit and mm3 s as a analysis Unit you have to set a Correlation Valus to 1 00E 03 Sensistor ISH2000 Technical Reference Manual TRM EN 62 305 305 Reference values settings Reference value with reference leak When measuring leak flow you will in normal cases calibrate the detector with a reference leak Set the Reference Value equal to the calibrated flow of your reference leak This value can be found on the calibration certificate issued for the leak Also set the Reference Unit to the same unit as that used to express the leak rate of the reference leak Example Reference leak rate is 4 2E 5 mbarl s 1 Set Reference Value 4 2E 05 2 Set Reference Unit mbarl s Reference value with reference gas When measuring hydrogen concentration instead of leak flow in most cases you will calibrate the detector to a reference gas with a known concentration Set the Reference Value equal to the Hydrogen concentation in your reference gas This can be found on the certificate of analyis issued for the gas Also set the Reference Unit to the same unit as that used to express the leak rate of the ref
35. e for this mode could be Sampling Mode It is important to keep this in mind when using the detector in this mode In Analysis Mode the probe should be moved directly from a background situa tion to the test point The size of the leak in PPM or any other selected units is shown on the display The probe can and should be removed from the measur ing point as the measured value steadies and remains on the display The period during which the measured value is displayed can be adjusted in the Analysis Mode Settings menu Sensistor ISH2000 Technical Reference Manual TRM 600 401 About Hydrogen When pure hydrogen gas is released in air its flammability range spans from 4 to 75 of hydrogen in air Below 4 there is insufficient chemical energy avail able for a flame to occur Above 75 hydrogen there is not enough oxygen left to support a flame When for example a mixture of less than 5 5 hydrogen in nitrogen mixes with air there is not sufficient energy to support a flame irre spective of the ratio of air to gas When a mixture of more than 5 5 hydro gen in nitrogen is released into air there is a region of ratios of air to gas where the mixture is flammable When for example a mixture of 10 hydrogen in nitrogen mixes with air there is still very little energy available Only in excep tional circumstances can a flame be self supporting However such mixtures cannot detonate Hydrogen can be stored and transported as eith
36. e of the RoHS directive but as we wish to protect the environment many actions have already been launched e Inventory of all items which include these substances Action to eliminate these substances Qualification of new materials new parts etc All INFICON products are RoHS compliant since December 2007 Sensistor ISH2000 Technical Reference Manual TRM EN 80 Sensitivity Test EN 81 E 130 E 130 Functional verification Sensitivity Test has been designed to help to double check Hand Probe sensors and H65 sensors for Sensistor ISH2000 before delivery to end customers Every sensor has been tested thoroughly before delivery from the factory It happens however that sensors lose sensitivity while kept in stock By following these instructions the user will get the information you need to accept or reject a new sensor before delivery The test is done using a reference gas containing 10 ppm H2 in synthetic air You need the following equipment Leak Detector Sensistor ISH2000 with probe cable and hand probe Reference gas 10 ppm H2 in synthetic air IMPORTANT A sensor can be calibrated using reference gas or a reference leak There are some fundamental differences between these two methods When using a reference leak you add Hydrogen to the background When exposing the sensor to reference gas you replace the background ambient with the reference gas It is important in both cases to calibrate in
37. ection Mode Returns nothing Y Shift State to Combined Mode Return nothing Supported parameters The following parameters can be downloaded to Sensistor ISH2000 in Analysis and Detection mode Where Header returns the a value from the instrument This value is presented as A B and so on Parameter Header Data Reject Level A n nnE nn Correlation Value B n anE nn Analysis Unit C Text string max 12 char acters Analysis Unit Default list CUx x 1 to 10 1 PPM 2 CC unit S up to 10 Timer A D nnn Timer B E nnn Timer C F nnn Timer D G nnn Purge Level H n nnE nn Reference Value n nnE nn Reference Unit J Text string max 12 char acters Reference Unit Program JUx x 1 to 10 1 PPM 2 CC settings S up to 10 entered as integer in 10 s of seconds 1 0 15 100 10s 60000 6000s Default listed unit PPM cc s cc min SCCM g a oz yr mbarl s mm3 s mm3 min m3 s Transfer of parameters Send parameters one by one send the specific header and then send the data for example 1 00E 01 String must be ended with a carriage return charac ter chr13 dec Example CPPM or C PPM Carriage Return chr 13 This sets Reject Level Rate Unit to PPM Sensistor ISH2000 Technical Reference Manual TRM EN 38 APC driver installation EN 39 B 310 Parameters can be sent in any order you like If your data was
38. ensitivity setting to bring the signal within the scale Working with the sen sitivity setting this way you will be able to locate multiple leaks that are in close proximity to each other Note Working inside a confined space such as for example a cabinet or a nar row passage on a combustion engine there is a risk that the background con centration accumulates to levels close to the upper detection limit of the detector In such case it will not be possible to locate leaks as easily as in open spaces Sensistor ISH2000 Technical Reference Manual TRM EN 8 To Quantify Leaks EN 9 A 401 Hint It is good practice to detect a leak locate it and immediately remove the probe to avoid saturation The probe is not damaged by the exposure but it will recover more slowly After excessive exposure it will be less sensitive for a short period of time The Analysis Mode or use the analysis figures in Combined Mode is used for measuring the size of a leak or the concentration of a gas sample To be able to do this measurement and obtain correct values the instrument must first be calibrated using the calibration function In the Analysis Mode the detector determines the gas concentration from the change as the probe goes from being exposed to background to being exposed to a certain gas concentration The detector does not continuously monitor the gas concentration but takes just one reading instead Another suit able alternative nam
39. er a gas a cryogenic liquid The tracer gas is standard welding gas of industry quality easy to obtain at low cost The generic name is Forming Gas Sensistor ISH2000 Technical Reference Manual TRM EN 10 700 600 Options Which options for which model Ula e Ce M gt N N N ag ar Way 51515 Nn va n c c c AA d Table model Portable model Panel model Hand probe P50 3m C21 cable di Power supply cable xd Battery recharger Cary case bd Probe control port EN 11 Sensistor ISH2000 Technical Reference Manual TRM 700 A 700 Sensistor ISH2000 Components Sensistor ISH2000 Figure A 4 Sensistor ISH2000 components Sensistor ISH2000 Technical Reference Manual TRM EN 12 700 Sensistor ISH2000 components according to Figure 4 on page 12 Position P N Position P N Position P N 1 598 170 21 591 493 41 591 812 2 591 770 22 591 499 42 591 607 3 591 496 23 591 494 43 598 167 4 591 771 24 598 166 44 591 578 5 591 533 25 591 502 45 591 774 6 591 773 26 591 503 46 591 013 7 591 779 27 591 487 47 591 777 8 591 780 28 591 488 48 591 538 9 598 121 29 591 490 49 591 781 10 591 501 30 591
40. erence leak Example Reference gas contains 10 PPM Hydrogen in synthetic air 1 Set the Reference Value 10 2 Set the Reference Unit 2 PPM EN 63 Sensistor ISH2000 Technical Reference Manual TRM 410 410 Headphones The operator can connect a headphone to the detector Accessories Headphone INFICON does not sell headphones The specifications are Jack plug mono 3 5 mm Sensistor ISH2000 Technical Reference Manual TRM EN 64 Default parameters EN 65 C 500 C 500 Factory configuration of the leak detector parameters Range and default settings of all Sensistor ISH2000 parameters Configuration Parameter Range Factory default Customer modification Analysis Unit Several Choices PPM APC Time A 0 0 6000 0 s 10 0 APC Time B 0 0 6000 0 s 0 APC Time C 0 0 6000 0 s 0 APC Time D 0 0 6000 0 s 0 Audio Base Frequency Several Choices 400 Hz Auto Range ON OFF ON Audio Ready Pulse ON OFF ON Audio Threshold 0 100 0 96 Detection Audio Threshold 0 100 96 4 96 Analysis Brightness 0 21 21 Calibration Time Min Calibra Time 30 s 10s Clock hh mm ss Contrast 0 20 10 Correlation Values 1 00E 37 1 00E 37 1 00 00 1 Date YY MM DD Debug Mode ON OFF OFF Detector Signal Level 0 100 96 20 96 Direct sensitivity ON OFF ON adjustment Display Threshold 0 100 96 4 Invert Colors ON OFF OFF Language Several choic
41. es English Measure Print Button ON OFF OFF Min Calibration Time 0 305 5s Min Presentation Time 120s 1s Multipoint Analysis Several Choices OFF Multipoint Analysis Time 0 0 30 05 5 05 Sensistor ISH2000 Technical Reference Manual Number of significant Digits 2 3 C 500 Password Max 12 characters No password Password protected ON OFF OFF calibration Printer Port Several choices No printer Probe Button Several choices No Function Probe Lamp ON OFF OFF Probe Type Several choices No probe Reject Indicator ON OFF ON Purge Level 1 00E37 1 00E 37 1 00E 02 100 Reference Unit Several choices PPM Reference Value 1 00E 37 1 00E 37 10 Reject Indication ON OFF OFF OFF Reject Level 1 00E 37 1 00E37 1 00E 01 10 Screen Save Timeout 1 60 min 20 min Sensitivity 1 15 8 Show Reject Level ON OFF ON Trigg Level 42 Menu Mode Several choices Combined Mode Sensistor ISH2000 Technical Reference Manual TRM EN 66 Set Date Set Clock Set Language EN 67 C 570 C 570 Date Time Language Unit Real Time Clock date set as YY MM DD Clock runs even when detector is dis connected from the power supply Real time set as hh mm ss Hours and minutes can be adjusted Seconds will automatically be set to 00 when hours and minutes have been set Clock runs even when detector is disconnected from the power supply T
42. etection Mode Settings or temporarily as a Direct Sensitivity Adjustment on the display unless you have set this function to OFF under the Detection Mode Settings menu There is also an Auto ranging function which can be selected under the Detec tion Mode Settings menu Note If the Detection Mode is used and the alarm function is required to be activated at a particular calibrated level then the unit must be calibrated in accordance with the instructions see Calibrate the leak detector on page 17 The reason for this is that the alarm is based on the Analysis Mode when the Detection Mode is displayed Note The Detection Mode or use the detection bar in Combined Mode is used to locate leaks This mode is semi quantitative that is it gives an audio and visual signal which increases as a leak is approached a higher gas concen tration and decreases as you move the probe away from the leak It does not display figures In this mode of operation leaks can easily be detected using a sensitivity which can be preset Leaks can be located very accurately even when there are other leaks nearby If for example you are trying to locate a leak on a product and the product has a major leak then you will get an audio signal as soon as the probe is placed close to the product When the probe is moved around and over the product the signal will increase as the probe approaches the leak If the signal goes out of scale simply reduce the s
43. f external output 6 OUT 6 Detector ON W Wait during the detector starts up period WAIT S Sensor signal detected SIGNAL R Reject REJECT Calibration confirmed CAL_CONF E Error ERROR Sensistor ISH2000 Technical Reference Manual TRM 580 EN 70 Debug Mode EN 71 580 Do not enter this mode Debug mode is for the manufacturer s use only Enter ing debug mode will set the detector to continuously dump debugging data on the printer port IMPORTANT Setting the detector in debug mode will inhibit normal use of the printer port If you have accidentally entered the debug mode you can exit by choosing the Debug Mode menu option again Debug Mode get to Debug Mode Choose Menu Service Settings Debug Mode Enter the code SEN Print Port output Time ms counted from power up Raw Sensor Signal mV Numeric value of the Detection Mode signal Analysis Value All values are presented with three digits and tabs between Printer rate 50 Hz 20 ms Sensistor ISH2000 Technical Reference Manual TRM Maintenance troubleshooting Sensistor ISH2000 Technical Reference Manual Detailed content D 100 Preventive maintenance D 200 General troubleshooting guide D 300 Reference Leak Trouble Guide Sensistor ISH2000 Technical Reference Manual TRM EN 72 D 100 D 100 Preventive maintenance As the Sensistor ISH2000 d
44. f sensor is too Check reference Gas Reject level low to guarantee correct valve may be shut response to a gas flow Check that probe tip is concentration equal to not clogged the Reject level The most Check setting of Reject likely reason is that sen Level Sor is too old Replace sensor if problem remains Sensistor ISH2000 Technical Reference Manual TRM Reference Value Reference Unit Calibration Time C 300 Message Explanation Remedy High signal Check Reference signal is abnor Check that reference gas reference mally high mix is not replaced with tracer gas mix Check condition of refer ence Check that reference leak connections has no leaks Note If calibration fails you can still use the instrument Last valid calibration parameters will be used You should however check that the instrument reacts to the reference Your reference should have a concentration or flow equal to or slightly above what you want to measure See the examples below for specific recommenda tions Example for reference gas Reject Level is set at 8 PPM For good accuracy use a reference gas between 8 80 ppm hydrogen 8 PPM hydrogen in synthetic air will give best results Example for reference leak Reject Level level is set at 2 0E 4 atm cc s e For best accuracy reference leak within 2 0E 4 2 0E 3 atm A reference leak calibrated to 2 0E 4 atm cc s will
45. f the control panel Control panel Menu system Password Operation of the leak detector Calibration of the leak detector Correlation Value Calibrated leak values programming Headphone and loudspeaker Factory configuration of the leak detector parameters Date Time Language Unit Service mode och debug mode Sensistor ISH2000 Technical Reference Manual TRM EN 44 Starting up switching off the leak detector To familiarize oneself with the control panel EN 45 C 100 C 100 Getting started with the leak detector 1 Connect power 2 Connect the probe 3 Start the unit and wait approximately 1 minute 4 Select probe in the menu Refer to C 211 C 211 Operation of the leak detector on page 55 Refer to C 200 Control panel on page 46 for the control panel description Sensistor ISH2000 Technical Reference Manual TRM Description INFICON Sensistor ISH2000 C 200 C 200 Control panel 55 5 0 Graphic interface LEDs Control push buttons Earphone socket Probe connector LEDs Figure C 1 Sensistor ISH2000 control panel The display shows indicator bar in Detection Mode and the figures in Analysis Mode seven main menus Their positions are indicated on a horizontal scale Change from one menu to another using the and buttons main menus have submenus which are also indicated by horizontal scales and can be
46. ga d pun d shone 99 F 100 code eh 103 F 110 Disposal of product when taken out of service 104 F800 TOONS 105 Sensistor ISH2000 Technical Reference Manual EN 2 3 Sensistor ISH2000 Technical Reference Manual Introduction Sensistor ISH2000 Technical Reference Manual Detailed content Introduction to the Sensistor ISH2000 series Sensor Technologies working principle Testing methods Options Accessories Sensistor ISH2000 Technical specifications Dimensions Sensistor ISH2000 Technical Reference Manual TRM EN 4 100 100 Introduction to the Sensistor ISH2000 series Sensistor ISH2000 can be purchased in one of three versions A desktop model Sensistor ISH2000 a battery operated model Sensistor ISH2000C and a panel mount model Sensistor ISH2000P Sensistor ISH2000 Figure A 1 Sensistor ISH2000 Sensistor ISH2000 is equipped with a number of powerful functions making it very easy to integrate in a semi or fully automatic test system The functions range from output of all necessary status signals and printer communication port to an advanced Active Probe Control system APC This makes the detec tor capable of controlling advanced sample collecting devices down to simple test fixtures Sensistor ISH2000C Figure A
47. gas concentration The detector does not continuously monitor the gas concentration but takes just one reading instead Another suit able alternative name for this mode could be Sampling Mode It is important to keep this in mind when using the detector in this mode In Analysis Mode the probe should be moved directly from a background situ ation to the test point The size of the leak in PPM or any other selected units is shown on the display The probe can and should be removed from the mea suring point as the measured value steadies and remains on the display The period during which the measured value is displayed can be adjusted in the Analysis Mode Settings menu The leak detector operates in the range 0 5 2000 ppm H2 giving linearity between 0 5 and 500 ppm To obtain greatest accuracy over this range follow the calibration recommendation See Calibration of the leak detector on page page 57 Sensistor ISH2000 Technical Reference Manual TRM EN 56 Introduction Calibration reference EN 57 C 300 C 300 Calibration of the leak detector The leak detector is the instrument and the probe together This section consists of step by step examples about how to calibrate the detector in the most com man cases The instrument must be calibrated by using the integrated calibration function to make sure it displays the correct values in Analysis Mode After calibration the instrument will show the correct measured values on the
48. give best accuracy The Reference Unit is set in the Calibration menu Select PPM cc s cc min SCCM g a oz yr mbarl s mm3 min Pa m3 s or Custom When you select Cus tom you can enter any unit as long as it contains a maximun of 12 characters Calibration can be performed with a known hydrogen concentration a known flow leak The following characters can be used Upper and lower case Roman letters the numbers A O a 4 0 and dash Note The space is not supported The leak rate unit string will be cut short at the first space found The calibration time decides how long time the detector looks for a reference signal before giving up If the calibration is set to for example 6 seconds the detector will record the maximum signal during 6 seconds after that the opera tor or external hardware orders a calibration It is very important that all delays in gas exposure as well as reaction time of sensor are taken into consideration when setting the calibration time Calibra tion will not be correct if the maximum signal comes after that the calibration time has terminated Sensistor ISH2000 Technical Reference Manual TRM EN 60 Minimum calibration time C 300 This parameter sets the lowest possible Calibration Time that can be set under the Calibration menu Default is 5 seconds Minimum calibration time should be set to safeguard so that the following two requirements are fulfilled 1 The h
49. he Sensistor ISH2000 user interface contains the following languages English French German e Italian Spanish Swedish Sensistor ISH2000 Technical Reference Manual TRM Service settings C 580 C 580 Service mode och debug mode The detector is equipped with a service setting to help in trouble shooting and diagnostics IMPORTANT The normal operator should not enter this mode The service mode menu option is therefore normally not shown in the menu system and most of the functions in the service mode are protected by a special password IMPORTANT We strongly recommend that the service mode log in procedure is kept secret from all personnel not fully trained in the details of all functions of the detector Logging in to Service settings Service mode Service Mode Log In Procedure 1 Switch power OFF 2 Press and hold the right display button 3 Switch power ON 4 Release right button when text appears During warm up the display will show software revision numbers and date and time of the real time clock When in service mode the display will show a service info screen as shown below To get to Service Mode Choose Menu Service Settings Service Mode The Service Menu has two screens Toggle between them by using APC and Back e First screen Service Mode show electrical parameters and sensor signals WoL une Figure C 8 Sevice mode screeen example e Second screen APC I O show APC
50. ible computer it is installed on all leak detectors Commands available for your leak detector RS232 interface commands Setting No printer PC printer Data output Data rate 115200 baud 1200 baud 9600 baud Data bits 8 8 8 Stop bits 1 1 1 Parity None None None Flow control None None None Common used functions Command Header Calibrate K Measure M Print Request N Stop Measurement Q Hand Probe R Active Probe Installed AP S Analysis Mode X Detection Mode Z Combined Mode Calibration request Starts calibration if the Sensistor ISH2000 has an active probe driver installed Sensistor ISH2000 answers with a if an active driver containing a calibra tion routine was found and F if the calibration APC sequence not found Cal ibration doesn t start if Purge level is reached M Measure Request The active test cycle defined by the APC driver starts M is returned if the selected driver supports active test F failed is returned otherwise N Print Request Returns current analysis value EN 37 Sensistor ISH2000 Technical Reference Manual TRM B 310 Set APC in stand by stop a measurement Returns a R Activates probe 0 built in P50 driver Returns an R S Activates probe 1 Installed probe driver Returns an S X Shift State to Analysis Mode Returns nothing Z Shift State to Det
51. important factor in quality assurance It is impossible to specify an exact requirement for the inter val between the calibrations becase the applications for which the instrument is used can vary considerably There will be some oxidation of the probe sensor which reduces the sensitivity if the probe sensor is not subjected to gas for a lengthly period or is exposed to a very small gas concentration less than 10 PPM with long intervals between exposure If the instrument is subjected to a very large gas concentration over a long period a certain amount of insensitivity can occur directly afterwards This satu ration can make it difficult to detectvery small leaks Therefore make it a habit of removingthe probe from the measurig point as soon as the measured value is displayed This gives the detector an opportunity to recover The Detector will warn if sensitivity of sensor is too low to safely detect a leak equal to the set Reject Level limit The warning can be ignored and calibration updated but the CAL CONF output will not be set Sensistor ISH2000 Technical Reference Manual TRM EN 58 Irregular reference warning Sensor condition indicator Calibration messages EN 59 C 300 The Detector will warn if the calibration signal is unreasonably high This can occur for example if 5 tracer gas mix has been used instead of proper refer ence gas or if the reference leak has an extra non intentional leak The warn
52. ing can be ignored and the calibration updated but the CAL_CONF output will not be set The indicator bar extends in length when the sensor is detecting reference gas This indicator can be used for an early warning as to when a sensor replace ment will be needed The length of the bar shows the condition of the sensor The bar will become shorter if the sensor has lost some in sensitivity The scaling of the indicator is not precise enough to say at exactly what length the sensor must be replaced You will learn when this happens for your particular application The instrument will also tell you in clear text when sensitivity is too low Message Explanation Remedy Expose to background Prepare the probe for calibration by holding it in hydrogen free background Detecting gas Gas signal is detected Normal operation gas exposure can be interrupted Repeat calibration Calibration was not Wait 30 s and calibrate within 2096 of last again Calibration OK Calibration was within Press Save button 4 to acceptable limit store calibration in memory No gas or unstable signal No gas signal or no stable Check reference Gas signal detected during valve may be shut calibration Check that probe tip is not clogged Signal when reference gas Background is higher is shut off Happens for than reference gas reference gas only concentration Improve ventilation Sensitivity too low for Sensitivity o
53. iode Red diode 204 98 OH HHHE H H H Figure 6 Sensistor ISH2000P components Sensistor ISH2000 Technical Reference Manual TRM EN 16 701 Sensistor ISH2000P components according to Figure 6 on page 16 Position P N Position P N Position P N 1 598 170 4 591 791 29 591 490 2 591 770 15 591 790 31 591 497 3 591 498 6 591 808 32 591 796 4 591 771 18 591 778 33 591 797 6 591 773 9 591 532 34 591 798 7 591 779 20 591 492 35 591 787 8 591 780 21 591 493 36 598 174 9 598 121 22 591 499 37 591 538 10 591 501 23 591 494 38 591 527 11 591 500 24 598 166 39 591 810 12 591 515 25 591 776 13 598 043 26 591 298 EN 17 Sensistor ISH2000 Technical Reference Manual TRM 701 Spare parts and accessories AP29ECO Sampling Probe A 701 Part No 590 035 AP55 Sniffer Probe Part No 590 550 AP57 Counter Flow Probe Part No 590 555 Sensistor ISH2000 Technical Reference Manual TRM EN 18 701 P50 Hand Probes Part No 590 780 Part No 590 790 H65 Insert Sensor Part No 590 250 Probe Tip
54. mated as the sensor is purged before full signal has developed Reset Signal Reset the sensor level in Analysis mode and Detection mode Sensistor ISH2000 Technical Reference Manual TRM Display settings General settings C 201 This section describes the different display settings of the Sensistor ISH2000 Contrast Contrast level of display Higher value gives higher contrast The contrast may need adjustment if ambient temperature changes Brightness Brightness of the display lamp A lower brightness value saves energy and pro longes the lamp Invert Colors Change the black to white and white to black Useful in a dark environment to keep a high readability Screen Save Timeout Display lamp will dim to half brightness if instrument is left idle for the number of minutes set by this parameter The screen save timeout can be set between 1 and 60 minutes the function is deactivated if set to OFF The display lamp will return to the set brightness if any of the display buttons are pressed if a gas signal is detected or an instrument error is detected This part describes the general settings of the Sensistor ISH2000 Language The Sensistor ISH2000 user interface contains the following languages English French German Italian Spanish Swedish Measure Print Button Setting this parameter to ON displays Measure or Print above the button 1 Measure will be displayed for an APC Probe or Print f
55. mponent locations on board Cable connections to MAIN PCB rev 02 Production files 02B INFICON AB 2010 09 10 DJ aCe as 0000S E Cen acie ros EB n 2 29 HAEE e es es Cel O Dg Oz Dz D 0 E S s R33 D 31 8 8008 RI R102 Ro2 RO R R76 RIS R74 R73 RS REI RAP RBI ET el G G E o VELEI EI E n n nnunnnnnmnunmnnn nnunnannmnmn ESI o 15 io Jle le o ji ro ru ru rou ou ro ro ro ru mau ru C58 LIC Lb Ed Gl EP ET g g Ros Ros R s R72 AIT R R REO RES R RED Z Sag i5 19909 Gud arrage CER JO Jeb annnn 5 714 5 3 v 2 amp Sp z 8 a 2 E a pi 2 m a E 5 g amp 2 4 3 28 z m Figure E 5 Main board Sensistor ISH2000 Technical Reference Manual TRM EN 86 240 240 Wiring diagram Sensistor ISH2000 Main PCB 17 KB1016 probe J12 14 1017 LEDS KB 1015 16 Keyboard J2 KB 1020 Display LCD data KB 1021 J14 Inverter J5 J13 KB1018 E
56. nce Manual TRM 410 4 Unscrew the four torx screws and remove the power supply Figure E 9 Remove power supply Dismantling Sensistor ISH2000C 1 Unscrew the two torx screws on the back side of the unit Figure E 10 Turn off the instrument and start dismantling Sensistor ISH2000 Technical Reference Manual TRM EN 90 410 2 Open the instrument by pulling out the front as shown in the picture to the right EN 91 Sensistor ISH2000 Technical Reference Manual TRM 410 3 Pull out the front enough to loosen the three connectors Figure E 11 Pull out the front Figure E 12 Connectors Sensistor ISH2000 Technical Reference Manual TRM EN 92 410 4 Remove the battery as shown in the figures to the right Figure E 13 Remove screws Figure E 14 Battery EN 93 Sensistor ISH2000 Technical Reference Manual TRM 410 Dismantling Sensistor ISH2000P 1 Turn off the instrument and remove power supply 2 Unscrew the two Allen Key Screw M6 on the back side of the unit Figure E 15 Unscrew the two Allen Key Screws 3 Open the instrument by lifting the inner housing Figure E 16 Open instrument Sensistor ISH2000 Technical Reference Manual TRM EN 94 410 Replacement of main PCB 1 Separate the cables as shown in the picture to the right Figure E 17 Separate cables EN 95 Sensistor ISH2000 Technical Reference Manual TRM 410
57. nnector 7 and 8 connections are necessary only if RTS and CTS are used in an user software Connector pin configuration Pin Signal Comment 1 Not used 2 RX Received data 3 TX Transmitted data 4 DTR Not used 5 SG Signal ground 6 DSR Not used 7 RTS Not used 8 CTS Not used 9 RI Not used Only pin 2 Received data pin 3 Transmitted data and pin 5 Signal ground are used D9 Female CD RxD TxD DTR SG DSR RTS CTS RI Figure B 8 D9 Sensistor ISH2000 Technical Reference Manual TRM J 4 Null modem cable wiring diagram RxD TxD DTR SG DSR RTS CTS RI D9 Female EN 40 320 Connecting the detector to a computer Selectable printer types EN 41 For example the user can communicate easily with the detector using the Ter minal or Hyper Terminal program in Windows Most PC printers with serial interface can be connected to the 9 pin printer port Parallel Centronics interface printer can be used if connected through a serial to parallel converter The port can be set up for the following printer types PC Printer and Data Dump No printer Printer output disabled Incoming communication is enabled Sensistor ISH2000 listens for incoming data but will not print
58. not to the factory Sensistor ISH2000 Technical Reference Manual TRM RoHS and WEEE F 110 F 110 Disposal of product when taken out of service According to EU legislation this product must be recovered for separation of materials and may not be disposed of as unsorted municipal waste If you wish you can return this INFICON AB product to the manufacturer for recovery The manufacturer has the right to refuse taking back products that are inad equately packaged and thereby presents safety and or health risks to the Staff The manufacturer will not reimburse you for the shipping cost Shipping address INFICON AB Westmansgatan 49 582 16 LINK PING SWEDEN For information regarding RoHS and WEEE directives please contact INFICON AB Sensistor ISH2000 Technical Reference Manual TRM EN 104 F 800 F 800 Tools Sensistor ISH2000 software Sensistor ISH2000 Installer Sensistor ISH2000 Installer file contains the software for instrument and probe as well as several service functions Installation instructions 1 Turn off the Sensistor ISH2000 2 Connect a a standard 5232 Null Modem cable between the computer and the instrument Figure F 1 PC and instrument 3 Double click the Sensistor ISH2000 Installer file File Help Installation instructions 1 Turn off the instrument 2 Connect the cable 3 Choose program and com port Sensistor ISH2000 version 6 05 17 4 Press download P50 and
59. ode sent to you Selection of battery power Only used to adapt software for the battery model Number of Significant Digits Debug Mode Choice of a number of significant numbers in Analysis and Combined Mode It is used when a more exact measurement is needed A good control of the envi ronment and calibration is required to be useful Contact INFICON AB to have the code sent to you This mode is used during service and software development Service Mode This mode contains useful information to analyse the gas sensor behavor If the instrument starts in the Service Mode then it is possible to reach APC Service Mode Under Service Mode is useful information to check timers on the Probe Control Port and other Sensistor ISH2000 Technical Reference Manual TRM EN 84 160 E 160 Software and documentation evolution 6 01 1 01 2010 09 30 First release 6 02 1 02 2010 10 28 At probe upgrade errors appeared because of use of too short variable type at timeout control Result print format using Analysis Data Output corrected Log a Leak works now n nnE ee Probe connection and reconnection approved user inter face quicker respons at disconnect and con nect of probe RS232 command C and J works now 6 02 1 03 2011 01 14 Temp error limits ajusted EN 85 Sensistor ISH2000 Technical Reference Manual TRM 230 E 230 Sensistor ISH2000 Main board Co
60. oes not contain any mechanical parts there is no need for preventive maintenance However it is recommended to keep some spare parts ready EN 73 Item Part number Hand Probe sensor 590 292 O ring seal 591 528 Fuse 591 578 C21 cable 3m 590 161 Power cable EU 591 146 Power cable UK 591 147 Power cable US 591 853 Probe Tip Protection Cap See Which options for which model on page 11 Probe Tip Filter See Which options for which model on page 11 Battery clock battery 591 780 Sensistor ISH2000 Technical Reference Manual TRM Symptoms description D 200 D 200 General troubleshooting guide Fault symptoms Fault Measures Error messages Check Probe and Cable Red LED flashes quickly Broken connection between probe and instrument Check that the probe cable is properly con nected to the probe and the instrument If the fault persists replace the probe cable Software problems Install the software Broken Main PCB Replace Main PCB Broken Probe PCB Replace Probe PCB Error messages Error Error in Active Probe See Probe Manual Error messages Check Sensor Voltage Error Sensor voltage from the gas sensor out of the range 300 3500 mV Check that the sensor is properly connected to the probe If the fault persists replace the sensor Error messages Check
61. ontrol Port Connector The control port connector is a 25 pin female D sub B 300 Pin Type Signal name 1 GND 2 GND 3 GND 4 In In_O 5 In In 1 6 In In 2 7 In In 3 8 In In 4 9 Out CAL CONF 10 Out OUT 6 11 GND 12 GND 13 GND 14 OUT DET ERROR 15 OUT LEAK OUT 16 OUT DET ON 17 OUT DET SIGNAL 18 OUT DET WAIT 19 OUT OUT 0 20 OUT OUT 1 21 OUT OUT 2 22 OUT OUT 3 23 OUT OUT 4 24 OUT OUT 5 25 OUT 24 VDC OUT Sensistor ISH2000 Technical Reference Manual TRM EN 34 Status signal patterns EN 35 Status signals for pin 14 18 B 300 Qutputs Status 8125456 OWSRCE 1 1 Togale B B 1 T A Figure B 5 Example screen Where I 0 name on the screen Signal Name on the pins Function Inputs O to 4 In_O to In_4 Input signal Outputs 0 to 6 Out 0 to Out 6 Output signal Status O DET ON When detector is on Status W WAIT High during warm up Status S DET SIGNAL Gas detected Sensor not recovered Status R LEAK ALARM Leak above Reject Level detected Status C CAL CONF Calibration preformed and ok Status E DET ERROR High if Probe Sensor or Cable is broken DET ERROR will go high for a short time 1 5 seconds when the detector is Switched on It will go low when the sensor has been checked In normal oper ation DET
62. or a Hand Probe Pressing Measure will initiate a sample cycle Pressing Print will send the values from the hand probe measurement to the printer port Probe Button This is for setting the different functions with the probe button These functions are as follows Toggle Mode makes it possible to switch between Analysis mode and Detec tion mode Zero detection signal in Analysis mode and Detection mode Measure Print makes it possible to initiate sample cycles or send the values from the hand probe measurement to the printer port Probe Lamp makes it possible to turn on and off the Probe Lamp Probe Lamp Makes it possible to have the Probe Lamp on even if the other Probe Button function is chosen Change Password The user password is a text string max 12 alphanumerical characters used to lock critical parameters Setting password to an empty string no characters Sensistor ISH2000 Technical Reference Manual TRM EN 52 Service settings EN 53 C 201 means that no password is needed to modify the critical parameters The default is no password Contact INFICON AB if you have lost your user password If the Password Pro tected Calibration parameter is set to ON you will be prompted for a password when starting a calibration Note Setting Password Protected Calibration to ON has no effect if no pass word 15 set Note APC controlled calibration can be started from the bus in both cases Audio Ba
63. program status APC l O s input outputs and some internal flags Eine Quteuts Status IC 4123456 OWSRCE 1666868 uma Det Ana jack lt Togale J n iN Figure C 9 APC I O screen example Sensistor ISH2000 Technical Reference Manual TRM EN 68 ADC Detect Analys Battery Signal Diode Row Time ADC mV Det Ana EN 69 In Service Mode the following information accessible Raw Sensor Signal mV Numeric value of the Detection Mode sig nal Analysis Value Battery voltage if portable model V Sensor signal when the probe expose Temperature voltage from probe mV In APC I O the following information accessible Executing APC program row Executing time for the row Raw Sensor Signal mV Numeric value of the Detection Mode sig nal Analysis Value Inputs 0 Status of external input O IN O 1 Status of external input 1 IN 1 2 Status of external input 2 IN 2 3 Status of external input 3 IN 3 4 Status of external input 4 IN 4 Outputs 0 Status of external output O OUT 0 1 Status of external output 1 OUT 1 2 Status of external output 2 OUT 2 3 Status of external output 3 OUT 3 C 580 Sensistor ISH2000 Technical Reference Manual TRM Status of external output 4 OUT 4 Status of external output 5 OUT 5 Status o
64. received and correct Sensistor ISH2000 immediately echoes sends back the data If you send a non existing header you will not receive anything e f the data could not be converted in the Sensistor ISH2000 you will receive the string CoEr Conversion Error Note Remember to use capitals for the header APC drivers are installed in the detector from a PC All active probes need a driver to be installed before they can be used Note Battery operated model Sensistor ISH2000 does not incorporate the APC feature For driver installation you will need the following APC Driver software Delivered with the probe File transfer cable Delivered with the probe PC computer with Windows XP with NET Framework 2 0 or later Refer to chapter F 800 on page 105 Sensistor ISH2000 Technical Reference Manual TRM Printer port B 320 B 320 Connecting the detector directly to a printer or another device For detailed information please refer to document RS 232 for leak detectors users manual The Sensistor ISH2000 is equipped with a serial printer port This is the 9 pin D type connector It is used for printer connection RS232 commands and APC driver installation Note Always switch power off before disconnecting or connecting any cable Preparing the RS 232 link cable Use INFICON cable P N 103616 or make your own by following the pin con nections specified below Use a Sub D9 pin female co
65. s Replace the Main PCB Low or no gas sensitivity Old or broken gas sensor Replace the gas sensor Probe PCB broken Replace Probe PCB Sensistor ISH2000 Technical Reference Manual TRM D 300 D 300 Reference leak trouble guide It is very important that we advice the end user to carefully study the manuals for how to take best care and handle the reference leaks Here are a couple of mistakes a user can make 1 The small leaks with a gas container E F and G are delivered at atmospheric pressure due to transportation limitations This means that the end user has to start by filling the gas container to the indicated pressure This filling MUST be conducted according to the included instructions to ensure you get as close as possible to a 596H2 9596N2 gas mix inside the container Otherwise you risk having an undefined gas mix in the container and what is on the certificate is in that case no longer valid 2 The smaller leaks that have a gas container are sometimes emptied by the new user simply because he sees the fill valve and have to try what it is for This way you empty the container quite effectively After this you need to refill the container See above in point 1 for possible problems 3 When users connect leak A B C to the gas line they sometimes forget that the hose from the bottle may be full of air to start with If they do this the leak will appear to be very difficult or impossible
66. se Frequency This sets the lowest audio base frequency tone in Search and Detection Mode Set Clock Real time set as hh mm ss Hours and minutes can be adjusted Seconds will automatically be set to 00 when hours and minutes have been set Clock runs even when detector is disconnected from the power supply Set Date Real Time Clock date set as YY MM DD Clock runs even when detector is dis connected from the power supply Printer Port The Sensistor ISH2000 is equipped with a serial RS232 printer port See Printer port on page 35 Info Contains information about software versions Serial number and Internet con tact information The Service Mode is reached by starting the instrument and at the same time hold the right button down on the panel After start a new main menu called Service Settings will appear See E 140 Service menu on page 84 Sensistor ISH2000 Technical Reference Manual TRM Change Password C 210 C 210 Password The user password is a text string max 12 alphanumerical characters used to lock critical parameters Setting password to an empty string no characters means that no password is needed to modify the critical parameters The default is no password Contact INFICON AB if you have lost your user password If the Password Pro tected Calibration parameter is set to ON you will be prompted for a password when starting a calibration Note Setting Password Protected Calibra
67. send test results PC printer with serial interface The PC Printer option can be used to print data on most standard PC printer with serial interface Parallel interface printers can be used if connected through a serial to parallel converter Note The output format has been chosen to be as simple as possible to ensure that most printers will accept it Therefore the printer output does not use any flow control This means that some printers may delay printing until the input buffer is full or a pre defined timeout has elapsed Figure B 9 Setting Value Data rate 1200 baud Data bits 8 Stop bits 1 Parity None Flow control None Note Due to the large variety of printers available on the market INFICON AB does not take responsibility for the operation of a particular type of printer Printed data The detector can print the following information 1 Date and Time for Power on of detector 2 Time of print 3 Value of all gas signals above the Reject Level 4 Test result Accept or Reject 5 Value of signal obtained during active test 6 Result of calibration OK or Calibration Not saved Date and Time Parameter settings Printing of the current value can also be requested by an R 232 command or ordered manually by pressing PRINT Sensistor ISH2000 Technical Reference Manual TRM 320 Probe type determines information printed Probe type Data printed Hand Probe
68. stor ISH2000 Technical Reference Manual TRM EN 102 How To Contact INFICON F 100 F 100 Support by INFICON For Sales and Customer Service contact nearest INFICON Service Center The address is found on the website www inficon com If you are experiencing a problem with your instrument please have the follow ing information readily available The serial number and firmware version for your instrument A description of your problem An explanation of any corrective action that you may have already attempted and the exact wording of any error messages that you may have received Returning you instrument to INFICON EN 103 Please use the Product Return Form which was included with the product at delivery Do not return any component of your instrument to INFICON without first speaking with a Customer Support Representative You must obtain a Return Material Authorization RMA number from the Customer Support Representa tive If you deliver a package to INFICON without an RMA number your package will be held and you will be contacted This will result in delays in servicing your instrument Prior to being given an RMA number you may be required to complete a Decla ration Of Contamination DOC form if your instrument has been exposed to process materials DOC forms must be approved by INFICON before an RMA number is issued INFICON may require that the instrument be sent to a desig nated decontamination facility
69. the metal and this makes the sensors practically insensitive to other substances that do not contain free hydrogen molecules The signals from the sensors are processed by a microprocessor which also con trols the sensor temperature with high accuracy and other sensor diagnostics in order to ensure perfect functionality It also automatically compensates for background gas Sensistor ISH2000 Technical Reference Manual TRM To Detect leaks To Locate Leaks A 400 A 400 Testing methods If all you wish to do is to detect the presence of a leak that is find out whether there is a leak or not then use the Detection Mode or use the detection bar in Combined Mode The definition of Leak No Leak will then simply be A leak is a leak when it can be detected by the detector set to a specific sensitivity To set up The operation in Detection Mode is not quantitative The audio and visual sig nal will increase and decrease with the gas concentration Therefore there is no actual calibration to be done but rather a setting of the sensitivity to a desired level A typical set up procedure for Detection Mode is Set up a reference leak which corresponds to the smallest leak you wish to detect e Put the probe close to the reference leak and note approximately what reac tion you get no reaction small medium high full scale within the first few seconds Set the sensitivity This can be done permanently under the menu D
70. tion to ON has no effect if no pass word 15 set Note APC controlled calibration can be started from the bus in both cases Sensistor ISH2000 Technical Reference Manual TRM EN 54 To detect leaks To locate leaks EN 55 C 211 C 211 Operation of the leak detector Do not expose the probe to a hydrogen concentration higher than 0 1 when the instrument is not put into operation this might damage or destroy the probe sensor When the instrument is put into operation the sensor withstands tem porary exposure to hydrogen concentration up to 100 Avoid long exposures to high concentrations If all you wish to do is to detect the presence of a leak that is find out whether there is a leak or not then use the Detection Mode or use the detection bar in Combined Mode The definition of Leak No Leak will then simply be A leak is a leak when it can be detected by the detector set to a specific sensitivity To set up The operation in Detection Mode is not quantitative The audio and visual sig nal will increase and decrease with the gas concentration Therefore there is no actual calibration to be done but rather a setting of the sensitivity to a desired level A typical set up procedure for Detection Mode is Set up a reference leak which corresponds to the smallest leak you wish to detect Put the probe close to the reference leak and note approximately what reac tion you get no reaction small medium
71. ura tion of the leak detector parameters on page 65 0 oh FFH Uolunme Figure C 7 Analysis mode screen example Sensistor ISH2000 Technical Reference Manual TRM EN 50 APC settings EN 51 C 201 APC is an abbreviation for Active Probe Control The APC function is for the control of an active probe that has a built in alarm valves or pumps via Probe Control Port Different probes require controls therefore it is possible to download different drive routines for the instrument from a PC There is a possibility to adapt how to measure by adjusting the timers and Purge Level Probe Type Select the connected probe Choose between Hand Probe and another probe driver installed from the disc delivered with active probe if ordered APC Time A D Adjustable timer used by the APC system Select a APC timer and press Enter to display specific use of this timer APC timer can be used for general purposes in a custom APC program Purge Level Signal level controlling the Purge_Level APC Triggers Standard probes that sup port active sampling use the Purge Level for fast interruption of sampling that result in high gas signals Setting Purge Level equal to or just above Reject Level will give the fastest pos sible cycle times for those probes Quick purging also enhances signal repeatability Note Purge level interrupts active sampling of APC probes This means that higher signals will be underesti
72. wn how in ordinary ambient conditions a person s electrical charge mea sured in Volt is constantly changing It can move up or down at every step as they sit or rise when they touch things or as another person passes nearby Consequently if people handle electrostatic discharge sensitive devices ESD without appropriate precautions there is a real risk they will unwittingly damage them Electrostatic discharge ESD has been recognized as a potential hazard for semi conductors and integrated circuits To protect devices from the unwanted effects of ESD two key measures must be taken and applied at all times 1 devices must be handled exclusively in an ESD Protected Area EPA In essence an EPA is a defined space within which all surfaces objects people and devices are kept at the same potential 2 devices must be transported from one EPA to another only in ESD shielding packages The issue is to save defects on customer sites for the integrated electronic boards in leak detector drytels controllers and accessories The ESD reduce the useful life of the electronic boards There is no immediate consequences during the assembly of the electronic devices but there is a pre mature aging of components All the Service Centers must be equipped to protect the INFICON products against the ESD during repair process On Customers site during exchange or maintenance of electronic card the engineer must wear the ESD coat and use
73. x reading 0 3 ppm calibration point in range 0 5 100 ppm mbarl s air 5 x 10 7 mbarl s 5 107 4 102 15 of reading 10 of using 5 H mbarl s within 0 1 10 x reading 3 x 107 95 as calibration point in mbarl s range 1 x 10 2x 10 3 mbarl s g a R143a using 596 H5 9596 as Tracer Gas 0 2 g a 0 2 8300 g a Typ 15 of reading within 0 1 10 x calibration point in range 0 2 420 g a Typ x 1096 of reading 0 1 g a EN 25 Sensistor ISH2000 Technical Reference Manual TRM 900 A 900 Dimensions Sensistor ISH2000 165 0 54 DP 275 0 9 ci Hydrogen Leek Detektor z z J o o 52 22 0090 L Lf Y I CO 3 inu 5 cnm Y mmm i S e d Figure A 7 Sensistor ISH2000 dimensions Sensistor ISH2000 Technical Reference Manual TRM EN 26 This page intentionally left blank 165 0 54 d 275 0 9
74. ydrogen from the reference leak or gas line must reach the sensor before end of calibration time 2 The sensor must have time to reach its maximum signal before end of calibra tion time Setting Min Calibration Time too low will have the following effects Calibration will fail if calibration time is set too low e Calibration might pass but be incorrect Setting a high Min Calibration Time will have the following effects Calibration takes longer time than necessary Calibration gas consumption is higher than necessary Note Correct calibration is an essential parameter in quality testing We there fore recommend that careful consideration is paid to setting an appropriate Min Calibration Time This will inhibit personnel lacking detailed knowledge about calibration from jeopardising quality by setting a too short Calibration Time Password protected calibration EN 61 If desired the calibration can be set under the general password to prevent the operator from calibrating by mistake In this case you will have to enter the password to start the calibration routine Setting password protection on cali bration is done in the General Settings menu Note that you must also set a password The instrument is delivered with no password set Sensistor ISH2000 Technical Reference Manual TRM C 304 C 304 Correlation value If you want to use another unit you have to put a recalculation number into Correlation Value which

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