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Sensistor ISH2000 Operating Manual

1. 8 13 Combined Mode In Combined Mode the bar and the sound in Locating Mode is combined with the figures in Measuring Mode The loud speaker sound follows the Locating Mode signal Note After a system reset the default mode is Combined Mode When you have located the leak then you can measure its size in the following way 1 Remove the probe from the leak 2 Wait until 0 0 appears on the display 3 Then put the tip of the probe on the leak 8 14 Probe The Hand Probe P50 is a non sniffing probe Gas Measuring takes place in a sensor that is in the tip of the probe The probe is equipped with a function button indicator lamps and lighting The probe can be ordered with a flexible neck During operation the heat of the probe tip is 50 C Note There are a variety of different probes that can be connected to the Sensistor ISH2000 When using an active probe please refer to the respective probe manual Changing the Probe After attaching a probe the Sensistor ISH2000 needs to stabilize and the green LED should blink If it does not then there is a fault in the cable or the hydrogen sensor inside the probe is faulty When the stabilization period is over the green LED should stay on Before using the Sensistor ISH2000 the instrument needs to be calibrated Repeat calibration after one hour to achieve greatest accuracy Changing the Probe Tip 36 The probe tip sensor for P50 is replaceable and is locked with a union
2. Carrying case 5 Battery charger the battery charger are country specific and may differ not shown User manual not shown 7 User manual in electronic form on CD or USB memory stick Product return form not shown 8 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 2 3 Sensistor ISH2000P The panel mount model Sensistor ISH2000P has identical features of the Sensistor ISH2000 The difference is that the Sensistor ISH2000P can be installed in the operator s panel or any other flat surface The instrument operates on an external 24VCD power supply provided by the customer Mounting brackets and a panel rubber seal are delivered with the detector See Sensistor ISH2000P installation on page 45 Fig 2 3 The panel mount model consists of seven parts 1 7INFICON Sensistor ISH2000 Description Detector instrument Brackets not shown Screws not shown O rings seal not shown 5 User manual not shown 6 User manual in electronic form on CD or USB memory stick 7 Product return form not shown OM Sensistor ISH2000 EN 201304 9 Hydrogen leak detector Sensistor ISH2000 Operating Manual 3 Controls and connections The controls and connections are discussed and shown in this chapter Fig 3 1 Sensistor ISH2000 controls and indicators INFICON _ Sensistor IS
3. on page 50 for electrical connections 8 18 Default parameters Table 8 14 Range and default settings of all Sensistor ISH2000 parameters 46 Parameter Range Default APC Time A 0 0 6000 0 s 10 0s APC Time B 0 0 6000 0 s Os APC Time C 0 0 6000 0 s Os APC Time D 0 0 6000 0 s Os Audio Base Frequency Several Choices 400 HZ Auto Range ON OFF ON Audio Ready Pulse ON OFF ON Audio Threshold 0 100 0 Locating Audio Threshold 0 100 0 Measuring Mode OM Sensistor ISH2000 EN 201304 Parameter Hydrogen leak detector Sensistor ISH2000 Operating Manual Default Battery mode ON OFF OFF Brightness 0 21 21 Calibration Time Min Calibra Time 30 s 8s Calibration Tolerance 0 100 10 Calibration Unit Several Choices cc s Calibration Value 1 00E 37 1 00E 37 1 00E 01 Contrast 0 20 10 Correlation Values 1 00E 37 1 00E 37 1 00E 00 Data Output No Data Output Debug Mode ON OFF OFF Detector Signal Level 0 100 20 Direct sensitivity ON OFF ON adjustment Display Threshold 0 100 0 Displayed Gas Several Choices 95 N2 5 H2 LS500 Mode ON OFF OFF nterval 0 255 Days Hours Minutes nvert Colors ON OFF OFF Language Several choices English Leak Gas Several Choices H2N2 Measure Print Button ON OFF OFF Measuring Unit Several Choices cc s Menu Mode Several Choices Combined Mode Min Calibration Time 0 30s 5s
4. RS232 communication specifications i Data Setting No Printer PC Printer Output Data rate 115200 baud 1200 baud 9600 baud Data bits 8 8 8 42 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual EN Setting No Printer PC Printer Stop bits 1 1 1 Parity None None None Flow control None None None RS232 interface commands Table 8 11 Common used functions Action Command Header Calibration Request K None Measure Request M None Print Request N None Stop Measurement Q None Measuring Mode X None Locating Mode Z None Combined Mode Y None K Calibration request Starts calibration if the Sensistor ISH2000 has an active probe driver installed Sensistor ISH2000 answers with a K if an active driver containing a calibration routine was found and F if the calibration APC sequence not found Calibration 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 Measuring value Q Set APC in stand by stop a measurement Returns a Q X Shift State to Measuring Mode Returns nothing Z Shift State to Locating Mode Returns nothing Y Shift State to Combined Mode Return nothi
5. Serial number and Internet contact information 8 12 Service Settings Service Settings contains important settings that the customer should not change without supervisor guidance To enter Service Settings menu a password is required Contact your local supplier for help 34 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Show Password Shows the chosen password in case the customer has forgotten the password _ Contact INFICON AB to have the code sent to you See the web address under the section Info Instrument System Reset Resets all parameters to default settings Contact INFICON AB to have the code sent to you See the web address under the section Info Detector Signal Level The Detector Signal Level is the level which the sensor is considered to have recovered from the last gas signal It decides when the DET_ SIGNAL output 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
6. This example is a line feed LF R means that the test was above the Reject Level limit and the value was 2 5E 04 For passive probes for example P50 AP55 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 probe 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 See Connector pin configuration on page 39 A custom APC program which sets the MEAS flag will print as AP55 AP29 ECO and an APC program not using the MEAS flag prints as P50 Locating data output The Locating Data Output option is intended for automated scanning of weld seams etc Note The Locating Data is expressed in arbitrary units Locating Mode signal is not affected by calibration Table 8 9 Communication specifications Setting Data rate 9600 baud Data bits 8 Stop bits 1 Parity None Flow control None The data format for Locating data output contains of nine ASCII characters Eight characters show the value in engineering format See Engineering format on page 23 and one character shows linefeed LF The print time is 50Hz continuous streaming data RS232 serial communication The most commonly used Sensistor ISH2000 functions can be started configured over the RS232 interface Table 8 10
7. This will reduce contrast of display and lifetime of lamp and electronic circuits NOTICE E After installation verify that ambient temperature is below 50 C Fig 8 7 Panel cut out dimensions Free space horisontally 300 mm 12 inches Free space vertically 127 5 inch 140 mm 5 5 inches mrm a inches 262 mm 10 3 inches Measurements e Panel cut out 262 x 127 mm 5 x 10 3 inches e Maximum panel thickness 8 mm 0 3 inch e Allow an extra 20 mm 0 8 inch on left and right side for mounting brackets Depth of open space in panel is at least 15 cm 6 inches for Sensistor ISH2000 to fit OM Sensistor ISH2000 EN 201304 45 Hydrogen leak detector Sensistor ISH2000 Operating Manual EN Installation process Table 8 13 Install the detector as follows Step Action i Cut hole in panel according to figure above and remove burrs 2 Check that rubber o ring is in correct position in the grove around the edge of the detector 3 Put the detector in place in the panel hole 4 Hold the panel in place while fixing the mounting brackets to the detector See Figure 8 7 5 Align the detector horizontally and lock it by tightening the 4 set screws 6 Lock the set screws with the locking nuts Ja Connect ground terminal to protective ground of cabinet Fig 8 8 Fixing the mounting brackets Bracket to unit Bracket See Sensistor ISH2000 specifications
8. noise gas signals The Detector Signal Level is set as 1 to 100 of the Reject Level Note Increasing the Detector Signal Level may give poorer accuracy Trigg Level Upper Limit setting for Peak hold in Measuring Mode Min Calibration Time Lower limit setting for the timer which is used during calibration Contact INFICON AB to have the code sent to you See the web address under section Info Calibration Tolerance The maximum difference between the different calibration measurements to approve a calibration Battery Mode Selection of battery power Only used to adapt software for the battery model ILS500 Mode This mode is used to adapt the ISH2000 for use into Leak Detector System ILS500 Combine Mode and Printer Port is not available when ILS500 Mode is active ISH2000 always start in Measuring Mode at startup Number of Significant Digits Setting of significant numbers in Measuring and Combined Mode It is used when a more exact measurement is needed A good control of the environment and OM Sensistor ISH2000 EN 201304 35 Hydrogen leak detector Sensistor ISH2000 Operating Manual calibration is required to be useful Contact INFICON AB to have the code sent to you See the web address under section Info Debug Mode This mode is used during service and software development Service Mode This mode contains useful information to analyze the gas sensor behavior and the APC I O s and timers
9. Expose the probe for the Calibration gas leak The probe does not have to be exposed to the calibration gas during the entire 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 Calibration leak Wait until the instrument shows Gas detected and gives a sound signal Repeat until you can save the calibration by pressing Save or probe button If the calibration is not saved the instrument will revert to the previous value after one minute Note You will need to repeat the gas exposure procedures 2 3 times to get Calibration OK after changing setup or probe The text Calibration failed Check leak gas and sensor status or a custom text will appear after 5 attempts e Allow at least 30 seconds between each exposure for best accuracy e If the message No gas or Unstable Signal is displayed repeatedly go back to Locating Mode and check functionality e If Calibration in progress Please repeat again is displayed it means that the measured value deviated more than 10 from the previous calibration Repeat the calibration procedure 7 5 Calibration value with Calibration leak 20 When measuring leak flow you will in normal cases calibrate the detector with a Calibration leak Set the Calibration
10. Min Presentation Time 120s 1s Multipoint Measuring Several Choices OFF Multipoint Measuring 0 0 30 0s 5 0 s Time Number of significant 2 3 2 Digits Password Max 12 characters No password Password protected ON OFF OFF calibration Password Protection Standard High Standard Level Probe Button Several Choices No Function Probe Lamp ON OFF OFF Probe Type Several Choices Hand Probe Purge Level 1 00E 37 1 00E 37 1 00E 02 OM Sensistor ISH2000 EN 201304 47 Hydrogen leak detector Sensistor ISH2000 Operating Manual 48 Parameter Default Reject Indicator ON OFF ON Locating Mode Purge Level 1 00E37 1 00E 37 1 00E 02 Reject Indication ON OFF ON Locating Reject Indication ON OFF OFF OFF Measuring Reject Level 1 00 E 37 1 00E 37 1 00E 01 Screen Save Timeout 1 60 min 20 min Sensitivity 1 15 8 Set Clock hh mm ss Set Date YY MM DD Show Reject Level ON OFF ON Trigg Level 1 00E 37 1 00E 37 0 00E 00 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 9 Trouble shooting In case of trouble using the Sensistor ISH2000 try to solve the problem with these simple trouble shooting guidelines If the measures described below do not result in a functioning instrument send or hand in the instrument to an authorized service workshop for repair See Support by INFICON on pag
11. OFF under the Locating Mode Settings menu There is also an Auto ranging function which can be selected under the Locating Mode Settings menu Note If the Locating 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 19 The reason for this is that the alarm is based on the Measuring Mode when the Locating Mode is displayed 6 2 To Locate Leaks Note The Locating Mode or use the Locating 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 concentration 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 See Sensitivity on page 28 and Direct Sensitivity Adjustment on page 28 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 sensitivity setting to bring t
12. The desktop model consists of seven parts TINE INFICON sistor ISH2000 Description Detector instrument 2 Hand Probe P50 shown or Active Probe with sensor 3 Probe cable C21 4 Power cable the power cable is country specific and may differ 5 User manual not shown 6 User manual in electronic form on CD or USB memory stick Product return form not shown OM Sensistor ISH2000 EN 201304 7 Hydrogen leak detector Sensistor ISH2000 Operating Manual 2 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 This is due to power management control The battery a Li ion battery at 14 8 V can not support the current required to operate external probes On the display a symbol in the upper right corner shows the battery charge status Sensistor ISH2000C will operate for 14 hours on a fully charged battery with screensaver and mute function And 9 hours without screensaver and mute function One hour charging will give about one hour of operating time This can be done when necessary but it is important to regularly fully charge the battery Fig 2 2 The battery operated model consists of seven parts Description Detector Instrument Hand Probe P50 shown or P50 Flex 2 3 Probe cable C21 4
13. for electrical specifications See Status signal patterns on page 38 for signal patterns Probe Control Port Connector The control port connector is a 25 pin female D sub Refer to Table 8 2 for the pin configuration Table 8 2 Pin configuration Signal name 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 OM Sensistor ISH2000 EN 201304 37 Hydrogen leak detector Sensistor ISH2000 Operating Manual Signal name 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_O 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 Status signal patterns Table 8 3 Status signals for pin 14 18 38 Function DET_SIGNAL Gas detected Sensor not recovered DET_WAIT High during warm up DET_ON High when detector is on LEAK_ALARM Leak above Reject Level detected 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 operation DET_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 Instru
14. or moving number of measurements with a maximum 25 measurement points can be chosen The instrument must be in Measuring Mode or Combined Mode for this function to be active Standard probe button functions is not available when using Multipoint Measuring only in Locating Mode To use Multipoint Measuring If a fixed number of measurement points is used then measure according to the following steps 1 Push the probe button to begin the first measurement 2 Place the probe on the measurement point during the time the bar moves The instrument registers the results 3 You might need to wait until the next measurement The instrument signals Wait 4 Repeat the procedure for the next measuring point When all measurements are made the sum of all leaks is shown If the sum of all leaks is greater or the same as the Reject Level then REJECT is shown If the sum of all leaks is under the Reject Level then ACCEPT is shown And if the sum of all leaks is greater than Reject Leve before all measurements are made then REJECT is shown Use lt gt to view individual measurements To begin a new measurement action or to stop a current measurement push the probe button and hold the button for a moment It is possible to measure or search in Combined Mode for a leak without registering the measurement The measurement value registers only when the staple moves Multipoint Measuring Time If a dynamic number of measurement points is selected th
15. values are valid only when saved using the Save or Enter button button 4 All changes is saved into the instrument Only Trigg Level is stored into the probe Use the Undo or Esc 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 Locating Mode Measuring Mode To change quickly from Locating Mode to Measuring Mode or vice versa press button 4 three times in succession 8 3 Stored values and setups All values and instrument setups is saved into the instruments memory Only the Trig Level is stored into the hand probes memory That mean that you easily can change the probe to another one and still keep your setup 8 4 Engineering format Some of the parameters of the detector are written in engineering format This format can represent a very wide range of numbers from very small to very large numbers The following examples describes the format used in the detector 1 00E 01 1 00 x 10 10 1 00E 00 1 00 x 10 1 1 25E 02 1 25 x 10 0 0125 8 5 Change Test Mode Choose the test method you will use in the menu Change Test Mode There are three different methods to choose e Measuring Mode e Locating Mode e Combined Mode Not in ILS500 Mode See Reference section for a description of the functions 8 6 Calibration Calibrate The instrument must be calibrated by using the integr
16. H200 N Combined Mode 0 0 Sens 1 00E 01 Volume ooo DOO ooo Description Display Loudspeaker Control push buttons Earphone socket Probe connector LEDs 3 1 Display The display shows e Indicator bar in Locating Mode and the figures in Measuring Mode e Eight main menus Their positions are indicated on a horizontal scale Change from one menu to another using the lt and gt buttons e Main menus have sub menus which are also indicated by horizontal scales and can be selected using the lt and gt buttons e Scales for setting numeric values languages etc e Messages Sensistor ISH2000C e A battery status indicator in the upper right corner 10 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 3 2 Push buttons The functions of the push buttons are shown at the lower edge of the display In this a 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 lt and gt buttons Press Enter to move down to the nearest sub menu 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 Shortcut to reach functions as Volume Sensitivity Sens Calibration Cal and Menu 3 3 LEDs The two LEDs indicate the status of the instrument as fo
17. KOPING SWEDEN 57 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
18. Probe Button This is for setting the different functions with the probe button These functions are as follows e Toggle Mode makes it possible to switch between Measuring mode and Locating mode e Zero Locating signal in Locating mode e Measure Print makes it possible to initiate sample cycles or send the values from the hand probe measurement to the printer port e 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 means that no password is needed to modify the critical parameters The default is no password P Contact INFICON AB if you have lost your user password If the Password Protected 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 password is set Note APC controlled calibration can be started from the bus in both cases Password Protection Level Password Protection Level sets the protection level Standard is used when the main parameters shall be protected High is used to protect all settings such as sound and display properties Description of the different Password Protection Level Bac
19. Value equal to the calibrated flow of your Calibration leak Also set the Calibration Unit to the same unit as that used to express the leak rate of the Calibration leak Finally set the Leak Gas that the leak is defined for These values can be found on the calibration certificate issued for the leak Finally set the Leak Gas that the leak is defined for These values can be found on the calibration certificate issued for the leak Example Calibration leak rate is defined to 4 2E 5 mbarl s for Helium 1 Set Calibration Value 4 2E 05 2 Set Calibration Unit mbarl s OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 3 Set Leak Gas Helium Note Feed the Calibration leak with hydrogen tracer gas at the pressure stated on a the Calibration certificate If another pressure is used you must correlate the resulting flow and use this value as Calibration Value Note The resulted concentration from the Calibration leak should be within the concentration range of 5 ppm 400 ppm H3 7 6 Calibration value with Calibration gas When measuring hydrogen concentration instead of leak flow in most cases you will calibrate the detector to a Calibration gas with a known concentration Set the Calibration Value equal to the Hydrogen concentration in your Calibration gas This can be found on the certificate of analysis issued for the gas Also set the Calibration Unit to ppm Example Calibra
20. al calibration function to ensure it displays the correct values in Measuring Mode Combined Mode After calibration the instrument will show the correct measured values on the display If the probe is replaced with another probe a new calibration must be performed OM Sensistor ISH2000 EN 201304 23 Hydrogen leak detector Sensistor ISH2000 Operating Manual 24 Sensitivity too low for reject level 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 and the CAL_CONF output will be set High signal Check calibration leak gas 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 Calibration gas or if the Calibration leak has an extra non intentional leak The warning can be ignored and the calibration updated and the CAL_CONF output will be set Sensor condition indicator The indicator bar extends in length when the sensor is detecting Calibration gas This indicator can be used for an early warning as to when a sensor replacement will be needed Fig 8 3 Sensor condition indicator Calibration Expose to calibration gas Calibration Value 1 00 01 PPM Gas detected ESC p The length of the bar shows the condition of the sensor The bar will become shorter if the sensor has lost some in sensitivity Th
21. and Probe AP55 1 2 4 5 6 Sampling Probe AP29 ECO 1 2 4 5 6 Measuring data output The Measuring Data Output option is intended for transferring test results to a supervising computer system such as for example a PLC system Table 8 7 Communication specifications Data rate 9600 baud Data bits 8 Stop bits 1 Parity None Flow control None The data format for Measure data output consists of nine ASCII characters ten if three significant digits are used Seven characters or eight if three significant digits are used show the value in engineering format See Engineering format on page 23 One character shows the result of the test and one character shows the line feed LF Table 8 8 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 limit R Reject Previous test was above Reject Level 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 OM Sensistor ISH2000 EN 201304 41 Hydrogen leak detector Sensistor ISH2000 Operating Manual Character Result of the test F Calibration failed Previous cycle was calibration E Test interrupted by Error that occurred during cycle probe or sensor error etc Example 2 5E O4R LF
22. are several active probes available Choose correct probe under the menu Probe Type Customized APC drivers can be downloaded from a PC There is a possibility to adapt how to measure by adjusting the timers and Purge Level Not in Battery Mode Probe Type Select the connected probe When a custom driver is downloaded it will replace No driver installed APC Time A D Adjustable timer used by the APC system APC timer can be used for general purposes in a custom APC program Purge Level Standard probes that support active sampling use the Purge Level for fast interruption of sampling Setting Purge Level equal to or just above Reject Level will give the fastest possible cycle times for those probes OM Sensistor ISH2000 EN 201304 31 Hydrogen leak detector Sensistor ISH2000 Operating Manual Quick purging also enhances signal repeatability Note Purge level interrupts active sampling of APC probes This means that higher signals will be underestimated as the sensor is purged before full signal has developed Reset Signal Reset the sensor signal in Measuring mode and Locating mode 8 10 Display Settings 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 Invert Colors Change the black to
23. ate the leak detector EN 7 1 Introduction The leak detector is the instrument and the probe together This section of the operating manual consists of step by step examples on how to calibrate the detector in the most common cases For more about the calibration routine see the reference section The instrument must be calibrated by using the integrated calibration function to make sure it displays the correct values in Measuring Mode After calibration the instrument will show the correct measured values on the display in Measuring Mode and in Combined Mode The calibration parameters will be stored in the probe 7 2 Calibration Leak or Calibration Gas There is a possibility to calibrate the detector by using Calibration Gas or a Calibration Leak A Calibration Gas contains a well defined concentration of Hydrogen gas mixed with air A Certificate will normally follow the gas bottles Calibration Gas can be ordered from local gas suppliers A Calibration Leak is a well defined gas leak The Calibration Leak should be fed by the same gas used in the detection test and with a gas pressure defined in the Calibration Leak certificate Calibration Leak can be ordered from the detector provider Choose a calibration leak or calibration gas size as follows e Same or higher than the Reject Level but maximum 10 times higher e In one of the following ranges 5 to 400 ppm H2 1x10 to 4x10 3 cc s mbarl s defined for air 3
24. be approaches the leak If the signal goes off the scale simply reduce the sensitivity setting to bring the signal within the scale By working with the sensitivity setting in this way you will be able to locate multiple leaks that are in close proximity to each other 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 Background Compensation There is always some hydrogen gas in the background In fresh air this is as low as 0 5 ppm parts per million Sensistor ISH2000 actively adjusts itself to the background This is done automatically at start up and thereafter it slowly adapts itself to slow variations in the background concentration By adjusting slowly minutes it avoids mistaking an actual leak for an increased background and vice versa Therefore a sudden rise in background concentration will be detected However if the concentration remains constant it will be gradually canceled out over a period of several minutes For example if the background concentration for some reason should suddenly rise to 10 ppm H then the detector will give a corresponding signal which will very slowly decline to zero If you thereafter expose the probe
25. be modified without prior notice All information can nina60e1 d 1304 Publication INFICON AB Hydrogen Leak Detector Sensistor ISH2000 Instrument SW version 6 22 Probe SW version 1 08 6 INEI O N 000 Operating Manual 6 INFICON Hydrogen leak detector Sensistor ISH2000 Operating Manual Contents 1 UserinftormatloMe sron felsic peeve A a a sued 6 1 1 Notes and safety NOTICES inea a a aa erea A A E 6 1 2 Document outline 6 10 11 12 1 3 Conventions used in this book Description of equipment Zi SSEMSIStOMIST ZOO O anis E R e E E AE E TE 2 2 Sensistor ISH2000C 2 3 Sensistor ISH2000P Controls and connections 30 DISPLAY seeen e antag Uakdae E ERA E E EES 3 2 Push buttons a E D cate cht eateries Senate sarc EEE E S AA E A T E A TAN T meen ana imma aes 3 4 Ports and connections Precautions cc ccceeeeeeeeee 4 1 When working with gas 4 2 Hydrogen Tracer Gas for leak detection AS terrere S cheers N nage areas tasted aae es aa Gan tsa A eke Working Prime ple iaisivesccsisccetecediscprieviniscdeedss tectinecus iecdied a E AREA EAO a A E a Bul Gas Sensor Technology cuine a E i a aaa 5 2 Condition for leak d tection oorr a ea A E S AE e EA EEEE AES 53 Leak Detection MOE chs ane issi ai eaa eiaa oianean Operating the detectors puisina Gal TO Detect LEAKS osrernsaranenaa ena a a a i e a dati jauynauaesbtenuees 6 2 To Locate Leaks 000 6 3 To Quanti
26. could be Sampling Mode It is important to keep this in mind when using the detector in this mode In Measuring Mode the probe should be moved directly from a background situation to the test point The size of the leak in cc s or any other selected units is shown on the display The probe can and should be removed from the measuring point as the measured value steady and remains on the display The period during which the measured value is displayed can be adjusted in the Measuring Mode Settings menu The leak detector operates in the range 0 5 2000 ppm H3 giving linearity between 0 5 and 500 ppm To obtain greatest accuracy over this range follow the calibration recommendation See Calibrate the leak detector on page 19 CAUTION Q e Do not open detector Service of this equipment may only be carried out by ser vice organizations authorized therefore by INFICON Sweden e If the detector gets outer damage it must be controlled and repaired by service organization authorized by INFICON e 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 e When the instrument is put into operation the sensor withstands temporary exposure to hydrogen concentration up to 100 Avoid long exposures to high concentrations OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 7 Calibr
27. d PC printer with serial interface Parallel interface printers can be used if connected through a serial to parallel converter see below 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 Table 8 5 Communication specifications Setting Data rate 1200 baud Data bits Stop bits Flow control OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Note Due to the large variety of printers available on the market INFICON does not et p EN take responsibility for the operation of a particular type of printer Printed data The detector can print the following information Date and Time for Power on of detector Time of print Value of all gas signals above the Reject Level Test result Accept or Reject Value of signal Result of calibration OK or Calibration Not saved Date and Time Parameter settings Au BWN Printing of the current value can also be requested by an RS232 command or ordered manually by pressing PRINT Table 8 6 Probe type determines information printed Probe type PELCE LALE Hand Probe P50 1 2 3 4 6 Counter Flow Hand Probe AP57 1 2 3 4 6 Sniffer H
28. e 53 WARNING Opening or dismantling a Sensistor ISH2000 that is powered up can cause serious personal injury or danger to life The instrument contains no parts that can be repaired by the user and may only be dismantled by an authorised service technician Table 9 1 Fault symptoms and measures Fault symptoms Measures No sound in Locating Mode and Press the button repeatedly Measuring Mode No picture on display no sound Check the fuse No picture but only sound when Display setting may be wrong Watch exposed to gas 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 If this doesn t help send in the instrument for replacement of display lamp Table 9 2 Error messages and measures Error messages Measure OBS Check Probe and Cable Red LED flashes Check that the probe cable is properly quickly connected to the probe and the instrument If the fault persists replace the probe cable Error Probe Type Error in Active Probe See Probe Manual Check Sensor Voltage Error Check that the sensor is properly connected to the probe If the fault persists replace the sensor Check Sensor Temp Check that the sensor is properly connected to the probe If the fault persists replace the sensor Probe not upgraded Upgrade probe to lat
29. e 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 See further in the next section below Calibration messages Table 8 1 Different messages that can be displayed during calibration Message Explanation Expose to background Prepare the probe for calibration Hold the probe in hydrogen free background Gas detected Gas signal is detected The probe has had enough gas exposure Remove the probe from the calibration gas or leak Calibration in progress Please Repeat again Calibration was not within 10 of last Wait 30 s and calibrate again Calibration OK Calibration was within acceptable limit Press Save button 4 to store calibration in memory OM Sensistor ISH2000 EN 201304 Message No gas or unstable signal Explanation No gas signal or no stable signal detected during calibration Action Check if Calibration leak gas valve is shut Check that probe tip is not clogged Signal when Calibration gas is shut off Happens for Calibration gas only Check the calibrate gas valve Background is higher than Calibration gas concentration Improve ventilation Sensitivity too low for Reject level Sensitivity of sensor is too low to guara
30. en do the measurement in the following steps 1 Push the probe button to begin the first measurement 2 Place the probe near the measurement point during the time the staples move Multipoint Measuring Time 3 You might need to wait until the next measurement The instrument signals Wait 4 Repeat the procedure for the next measuring point 5 To sum up all the measurements push and hold the probe button a short time Multipoint Measuring Time Set the time for each measurement 30 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Min Presentation Time Signal values in Measuring Mode will never be presented shorter than this time Values are however always presented until the signal has recovered The default value is 1 second but values from 0 120 seconds can be used Display Threshold Hides all measurements under a set of Reject Level Audio Threshold Instrument is silent under a set of Reject Level Reject Indications There are three choices of Reject Level indications except the LEDs indication e Flashing screen e Chopped audio signal e Combination of indication 1 and 2 Show Reject Level Shows the Reject Level value on the display Audio Ready Pulse This sets the standby sound to a silent or pulsating tone 8 9 APC Settings APC is an abbreviation for Active Probe Control APC is used to control an active probe via the Probe Control Port There
31. eond Standard High rotected Non y z Sai T No password has Standard Password Password NAA been set Protected Protected Calibration Calibration Change Test Mode Yes Yes Calibration Yes Yes function OM Sensistor ISH2000 EN 201304 33 Hydrogen leak detector Sensistor ISH2000 Operating Manual Standard High Password Non R k g rotected apres s No password has Standard Password Password P been set Protected Protected Calibration Calibration Calibration Yes Yes Yes Yes settings Locating Mode Yes Yes Settings Measuring Mode Yes Yes Yes Yes Settings Display Settings Yes Yes General Settings Yes Yes Yes Yes Service Settings Yes Yes Yes Yes Yes For password to access Service Setting please contact INFICON Audio Base Frequency This sets the lowest audio base frequency tone in Measuring and Locating 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 disconnected from the power supply Data Output The Sensistor ISH2000 is equipped with a serial RS232 printer port for data output See Printer port on page 39 Not in ILS500 Mode Info Contains information about software versions
32. est version OM Sensistor ISH2000 EN 201304 49 Hydrogen leak detector Sensistor ISH2000 Operating Manual EN 10 Sensistor ISH2000 specifications 50 Table 10 1 Power supply specifications AC mains voltage Sensistor Sensistor Sensistor ISH2000 ISH2000C ISH2000P 100 240 V 50 100 240 V 60Hz 50 60 Hz AC mains current Typically 1 A 2 A pulse at power on Typically 300 mA Fuse 2 A slow 250 VAC Nominal battery voltage 16 1 VDC Operating time h without screen saver at 20 C Charging time 6 5 h Power supply 24 VDC voltage Power supply 3 A max current Table 10 2 Input and output connections input output Power input connector Sensistor ISH2000 AC input connector IES 320 Sensistor ISH2000C Charger input connector 2 1 x 5 5 mm std Positive centre Sensistor ISH2000P 4 pin Phoenix MC 1 5 5 81 Series Detachable screw terminal Probe control Status port 25 pin D sub female 25 pin D sub female 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 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 External cla
33. free and optimal use of the Sensistor ISH2000 1 2 Document outline The document is divided in two main parts e Getting started e Reference section The Getting started part consists of step by step case examples explaining how to use the Sensistor ISH2000 in a variety common situations The Reference section consists of in depth explanation and additional information which completes the user manual with all relevant information 1 3 Conventions used in this book In this user manual the following text style hardware command is used for references to hardware commands or button labels while this text style software command is used for references to software commands and menu choices 6 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 2 Description of equipment EN 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 2 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 detector capable of controlling advanced sample collecting devices down to simple test fixtures Fig 2 1
34. fy Leaks Calibrate the leak detector LAM WARTODW CHO iiaiiaaaeaiue ai aE ANT aa e EE E ea AAAS 7 2 Calibration Leak or Calibration Gas 7 3 Unit COnNverSIOn eeeeereereen 7 4 Calibration procedure 7 5 Calibration value with Calibration leak 7 6 Calibration value with Calibration QaS ccccecceeeceeceeeeeeeeeeeceeeeeeecneesteesieeeneesieeenteeeneeeeees Reference Sectors a aaa Ea ea as eaa aa aa Orly MIGTURSYSTON siasa haee raita eines a e i EEEE E E E E a e E 8 2 BUttOMTUNCHONS eiei aetna a a eai EA a e iea Syeun 8 3 Storedvalugs and Setups neicsrreicne ei e e AE E E A E nul REE 8 4 Engineering format 8 5 Change Test Mode 8 6 Calibra HOr miseen oa dedaseraentamncciandes gees EERE EEEE NEA EE gacehedas bendopinacadagannaies 8 7 Locating Mode Settings 8 8 Measuring Mode Settings 8 9 APC Settings 8 10 Display Settings 8 11 General Settings sindsdien a a a a Ea O aE ENA 8 12 Service Settings 8 13 Combined Mode 8 14 Probe arrori 81S PODS Control POR eean E E ae N EE EE EER 8 16 Printer portarea a Aa seen O EE EAE O E E AE N 8 17 Sensistor ISH2000P installation 8 18 Default parameters n A a A Trouble SHootih girne naiao aia Eanan eE aLaaa araea aE a Naani n as Eada Sensistor ISH2000 specifications z cccccscices ccescesscessccctestesteesieenieste chiveeedatezeevaidesctestsseteieeneestviiees Spareparts and Accessories Sorser urio e desc rates Raped uaea sO Ea aa Sediaan Vias ie
35. gy available Only in exceptional circumstances can a flame be self supporting However such mixtures cannot detonate WARNING A Hydrogen nitrogen mixtures containing approximately more than 15 hydrogen can detonate when mixed in certain proportions with air NOTICE El Never make your own mixtures Only use ready made mixtures or use a certified hydrogen nitrogen mixture mixer installed by your gas supplier 4 3 Interferences Most tracer gas methods suffer from some sort of interference Either the detector is sensitive to other gases or vapors or there are other sources of the gas present to which the detector is sensitive Some examples of possible hydrogen sources Engine exhaust Battery charging stations Cigarette smoke Breathing air Human flatulence Scratching on aluminum surfaces OM Sensistor ISH2000 EN 201304 15 Hydrogen leak detector Sensistor ISH2000 Operating Manual 5 Working principle 5 1 Gas Sensor Technology The Sensistor ISH2000 leak detector is using an extremely sensitive hydrogen gas sensor based on a metal oxide semiconductor 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 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 proces
36. he 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 calibration is done in the General Settings menu Note that you must also set a password The instrument is delivered with no password set 8 7 Locating Mode Settings In Locating Mode the signal is displayed in the form of a bar The length of the bar varies with the gas concentration To Detect Leaks If all you wish to do is to detect the presence of a leak that is to find out whether there is a leak or not then use the Locating Mode The definition of Leak No Leak will 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 Locating Mode is not quantitative No figures are given but the signal is still increasing and decreasing with 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 the Locating Mode is e Set up a Calibration leak which corresponds to the smallest leak you wish to detect e Put the probe close to the Calibration leak and note approximately what reaction you get no reaction small medium high full scale within the first few seconds e Set the sensitivity This can be done permanently under the menu Locating Mode o
37. he moving bar on the display is set manually or automatically see below When using the instrument in Measuring Mode it must be calibrated as described See Calibrate the leak detector on page 19 in order to give correct figures 16 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 6 Operating the detector 6 1 To Detect Leaks 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 Locating Mode or use the Locating 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 Locating Mode is not quantitative The audio and visual signal 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 Locating Mode is e Set up a Calibration leak which corresponds to the smallest leak you wish to detect e Put the probe close to the Calibration leak and note approximately what reaction you get no reaction small medium high full scale within the first few seconds e Set the sensitivity This can be done permanently under the menu Locating Mode Settings or temporarily as a Direct Sensitivity Adjustment on the display unless you have set this function to
38. he signal within the scale Working with the sensitivity 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 narrow passage on a combustion engine there is a risk that the background concentration 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 OM Sensistor ISH2000 EN 201304 17 Hydrogen leak detector Sensistor ISH2000 Operating Manual 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 6 3 To Quantify Leaks The Measuring Mode or use the 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 Measuring 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 suitable alternative name for this mode
39. ie saci Support by INFICON 12 1 How To Contact INFICON 12 2 Returning your instrument to INFICON OM Sensistor ISH2000 EN 201304 3 Hydrogen leak detector Sensistor ISH2000 Operating Manual 13 Menu OVErVieW ccceecceeeseeeeeseeeeesneeeeseeeeeteneeeeae 14 Declaration of conformity 15 IReeyclinGericcssh ninco ice ile aria Reenter ile ee nal te ieee 4 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Welcome to Sensistor ISH2000 EN Dear customer You have just bought an INFICON Hydrogen Leak Detector Sensistor ISH2000 The Sensistor ISH2000 is an extremely sensitive and selective detector for hydrogen gas H93 It is especially designed for leak detection using Hydrogen Tracer Gas Hydrogen diluted with Nitrogen down to a safe concentration which is the most effective and economical tracer gas for leak testing Sensistor ISH2000 detects hydrogen in air at atmospheric pressure with no need for vacuum pumping It is especially suitable for applications where high sensitivity and selectivity is required in combination with simplicity reliability and low cost This product complies with the requirements of European Directives listed in the Declaration of Conformity found on page 56 in this document These Directives are amended by Directive 93 68 E E C E C Marking Copyright Intellectual property The use of INFICON AB products are subject to co
40. llows e Green flashing slowly during warming up phase e Green fixed light indicates that instrument is ready and hydrogen signal is below Reject Level limit e Periodically flashing green or red calls for calibration e Alternating red and green light while the instrument establishes probe communication e Red fixed light together with Reject on display means the instrument has detected a leak larger than the set Reject Level limit e Red flashing rapidly check message on screen See Trouble shooting on page 49 3 4 Ports and connections The ports and connections are shown in Figure 3 2 on the next page NOTICE E Always connect all four wires to the Power connector to 24VDC in order to operate OM Sensistor ISH2000 EN 201304 11 Hydrogen leak detector Sensistor ISH2000 Operating Manual Sensistor ISH2000 Fig 3 2 Sensistor ISH2000 ports and connections rear view Description Data output Probe control port Fuse Power switch Power input 100 240 VAC Screw hole for mounting plate Sensistor ISH2000C Fig 3 3 Sensistor ISH2000C ports and connections rear view Description Power switch Printer port Power input From Battery charger BR WIN Screw hole for mounting plate OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Sensistor ISH2000P Fig 3 4 Sensistor ISH2000P p
41. m Cable For the pin configuration refer to Table 8 4 Table 8 4 Pin configuration of the printer port Comments 1 DCD Not used 2 RD Received data 3 TD Transmitted data 4 DTR Not used OM Sensistor ISH2000 EN 201304 39 Hydrogen leak detector Sensistor ISH2000 Operating Manual Comments 5 SG Signal ground 6 DSR Not used 7 RTS Not used 8 CTS Not used 9 7 VDC Power feed USB RS232 converter Only pin 2 Received data pin 3 Transmitted data and pin 5 Signal ground are used Refer to Figure 8 5 for the wiring diagram Fig 8 6 D9 Null modem cable wiring diagram CD 1 m 1 CD RxD 2 2 RxD o TxD 3 3 TxD 4 DTR4 4 DTR SG 5 5 SG 9 2 DSR 6 6 DSR 2 RTS 7 7 RTS CTS 8 8 ICTS R1 9 E amp 9 R1 Selectable printer types 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 send test results PC printer with serial interface The PC Printer option can be used to print data on most standar
42. ment 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 100 ms 0 1 s This is the cycle time of the APC system Note Not valid for battery operated version of Sensistor ISH2000 ISH2000C After power on OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Fig 8 4 Status signals after power on Power off Poweron Warming up Locating or Measuring Mode No gas detected DET_SIGNAL LEAK_OUT When detecting a gas signal Fig 8 5 Status signals when detecting a gas signal Gas signal Purge level Reject level Detector signal level 0 ppm DET_SIGNAL LEAK_OUT PURGE_LEVEL Trig ger APC 8 16 Printer port 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 NOTICE El Always switch power off before disconnecting or connecting any cable Connector pin configuration The printer port is a standard 9 pin male D sub The connecting cable is a standard 9 pin file transfer cable Null Mode
43. mp diodes recommended recommended Low state voltage Max 1 5 VDC Max 1 5 VDC Low state leakage Max 100 pA Max 100 pA current Short circuit Thermal and Thermal and protection electronic electronic OM Sensistor ISH2000 EN 201304 Input output Sensistor ISH2000 Hydrogen leak detector Sensistor ISH2000 Operating Manual Sensistor ISH2000C Sensistor ISH2000P Output high 22 24 VDC gt Supply voltage 2 5 VDC Output low lt 1 5 VDC lt 1 5 VDC Serial communication port connector 9 pol D sub male 9 pol D sub male 9 pol D sub male Serial communication port standard RS232 RS232 RS232 Table 10 3 Miscellaneous specifications Sensistor ISH2000 Sensistor ISH2000C Sensistor ISH2000P 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 4 9 kg 10 8 incl case probe and charger 1 8 kg 4 0 Ib Overall dimensions 275x 155x170 mm 11 x 6 x 7 inches 275 x 190 x 170 mm 11 x 7 x 7 inches 275 x 140 x 75 mm 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 Table 10 4 Gas sensing specification In Locating Mode Selected unit mbarl s air using 5 H gt 95 N3 as Tracer Gas g yr R143a using 5 H3 95 N a
44. ng Table 8 12 The following data setups can be downloaded to Sensistor ISH2000 Setup Command Header Calibration Request text CR Custom Text string max 35 characters To return to the original text just leave the text string empty OM Sensistor ISH2000 EN 201304 43 Hydrogen leak detector Sensistor ISH2000 Operating Manual Setup Command Header Calibration Fail text CF Custom Text string max 35 characters To return to the original text just leave the text string empty Reject Level A n nnE nn Correlation Value B n nnE nn Measuring Unit C Custom Text string max 12 characters Measuring Unit CUx x 1 to 11 1 ppm 2 cc s up to 11 Leak Gas LGx x 1 to 13 1 5 H2 95 N2 2 Air up to 11 Displayed Gas DGx x 1 to 13 1 5 H2 95 N2 2 Air up to 11 Leak Gas LG Custom text string max 12 characters Displayed Gas DG Custom text string max 12 characters Probe Type APx x 1 to 9 1 Hand Probe 2 Custom Probe up to 9 Timer A D nnn Timer B E nnn Timer C F nnn Timer D G nnn Purge Level H n nnE nn Calibration Value n nnE nn Calibration Unit J Custom text string max 12 characters Calibration Unit JUx x 1 to 8 1 ppm 2 CC S up to 8 Program settings Entered as integer in 10 s of seconds 1 0 1s 100 10s 60000 6000s Gases 95 N2 5 H2 Air He N2 H2 R134a R22 R290 R404a R407c R410a R600a R1234yf Transfer of parameters Send
45. ntee correct response to a gas flow or concentration equal to the Reject level The most likely reason is that sensor is too old Check Calibration leak gas Gas valve may be shut Check that probe tip is not clogged Check setting of Reject Level Replace sensor if problem remains High signal Check Calibration leak gas Calibration leak gas signal is abnormally high Check that Calibration gas mix is not replaced with tracer gas mix Check condition of Calibration leak Check that Calibration leak connections has no leaks Hydrogen leak detector Sensistor ISH2000 Operating Manual 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 Calibration leak gas Calibration Value Your Calibration should have a concentration or flow equal to or slightly above what you want to measure See the examples below for specific recommendations Example for Calibration gas e Reject Level is set at 8 ppm e For good accuracy use a Calibration gas between 5 80 ppm hydrogen e 8 ppm hydrogen in synthetic air will give best results Example for Calibration leak e Reject Level is set at 2 0E 4 atm cc s e For best accuracy use Calibration leak within 2 0E 4 2 0E 3 atm cc s e A Calibration leak calibrated to 2 0E 4 atm cc s will give best accuracy Calibration Unit The Calibration Unit i
46. nut The union nut seals against contact with moisture If you are not sure about changing the probe tip then we recommend that you send it to an authorized service center To change the probe tip do the following steps 1 Turn off the instrument 2 Loosen the safety nut with a 10 mm wrench OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 3 Remove the union nut by hand The o ring in the union nut creates some friction EN 4 Remove the probe tip by drawing it straight out 5 Mount a new probe tip Make sure it is in correct position 6 Observe the contact area between the probe pipe and the probe neck They should contact each other 7 Refit the union nut 8 Tighten with a 10 mm wrench 8 15 Probe Control Port The Sensistor ISH2000 is equipped with a parallel Probe Control port This Probe control port can be used for controlling active probes feeding status signals to a supervising computer system CAUTION Q The Probe Control Port 25 pin D type on the back of the instrument is not a computer or printer port Connecting a printer or any other computer device may cause permanent damage to the connected device Note Battery operated model Sensistor ISH2000C does not have a Probe Control Port Pin configuration for the different detector models is described under Model Specific Specifications below See Sensistor ISH2000 specifications on page 50
47. ode 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 Measuring 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 suitable 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 Measuring mode the probe should be moved directly from a background situation to the test point The size of the leak in ppm is shown on the display The probe can and should be removed from the measuring point as the measured value remains on the display The period during which the measured value is displayed can be adjusted in the Measuring Mode Settings menu Reject Level Threshold level for Reject decisions When this level has passed Reject it will be indicated by audio and LED signals Note The frequency of the acoustic signal in Measuring Mode is controlled by Reject Level A signal equal to the Reject Level will always give the same audio frequency despite the actual signal strength Measuring Unit The Custom Measuring Unit is the unit to be displayed during measurement The measured
48. orts and connections rear view Description 1 Probe connection Ground screw Power input 24 VDC 2 3 4 Probe control port 5 Printer port OM Sensistor ISH2000 EN 201304 13 Hydrogen leak detector Sensistor ISH2000 Operating Manual EN 4 Precautions 4 1 Read this user manual carefully before using the instrument Hydrogen Leak Detector Sensistor ISH2000 is extremely selective Only Hydrogen Sulphide extremely toxic gives a comparable response to hydrogen When working with gas The normal risks associated with working with all compressed gases must be considered 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 Hp 95 Nb 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 and test object is designed for working a
49. parameters one by one first send the specific header for example A then send the data for example 1 00E 01 Data string must be ended with a carriage return character chr13 dec Example CPPM or C PPM Carriage Return chr 13 Parameters can be sent in any order you like e If your data was received and correct Sensistor ISH2000 immediately echoes sends back the data If you send a non existing header you will not receive anything e If the data could not be converted in the Sensistor ISH2000 you will receive the string CoEr Conversion Error 44 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Note Remember to use capitals for the header APC driver installation All standard APC drivers are installed in the detector Note Battery operated model Sensistor ISH2000 does not incorporate the APC feature For custom APC driver design and installation contact support at INFICON 8 17 Sensistor ISH2000P installation The panel mount model can be installed in the operator s panel or any other flat surface of your leak tester Mounting brackets and panel rubber seal are delivered with the detector Refer to Figure 8 6 CAUTION Q The detector should preferably be mounted on a vertical surface Tilting more than 30 degrees is not recommended Tilting more makes air circulation poor resulting in increased temperature inside detector
50. pyright and intellectual property rights in force in any jurisdiction All rights reserved including copying this document in whole or in any part without prior written authorization from INFICON AB Though INFICON AB believes reasonable efforts have been made to ensure the accuracy of the information contained in the document it may include inaccuracies or typographical errors INFICON AB reserves the right to change the information inside the document without further notice OM Sensistor ISH2000 EN 201304 5 Hydrogen leak detector Sensistor ISH2000 Operating Manual 1 User information Read this user manual carefully before using the Sensistor ISH2000 1 1 Notes and safety notices This manual contains warnings and cautions concerning the safe use of the product See definitions below WARNING A Warning indicates a hazardous situation which if not avoided could result in death or serious injury It is important not to proceed until all stated conditions are met and clearly understood CAUTION Q Caution indicates a hazardous situation which if not avoided could result in minor or moderate injury It is important not to proceed until all stated conditions are met and clearly understood NOTICE E Notice indicates instructions that must be followed to avoid damage to the Sensistor ISH2000 or other equipment Note A Note is used to indicate information that is important for trouble
51. r temporarily as a Direct Sensitivity Setting on the display unless you have set this function to OFF under menu Sensitivity Settings There is also an Auto ranging function which can be selected under the Locating Mode Settings menu If the sensitivity is set very high you may find the baseline annoyingly unsteady Note If the Locating Mode is used and the alarm function is required to be activated at a particular calibrated level then the unit must be calibrated The reason for this is that the alarm is immediately based on the Measuring Mode when the Locating Mode is displayed due to inaccuracies in the Locating Mode signal To Locate Leaks Locating mode is semi quantitative that is it gives an audio and visual signal which increases as a leak is approached a higher gas concentration 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 refrigerator condenser tubing and the tubing has a major leak then you will get an audio signal as soon as the probe is placed close to the condenser tubing When the probe is moved around OM Sensistor ISH2000 EN 201304 27 Hydrogen leak detector Sensistor ISH2000 Operating Manual over the condenser the signal will increase as the pro
52. rement and an important factor in quality assurance It is impossible to specify an exact requirement for the interval between the calibrations because 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 e is not subjected to gas for a lengthy period or e 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 saturation can make it difficult to detect very small leaks Therefore make it a habit of removing the probe from the measuring point as soon as the measured value is displayed This gives the detector an opportunity to recover In the menu Calibration Interva l there is a setting where it is possible to set a reminder to calibrate the instrument The interval can be set between 1 min to over 100 days When it is time to calibrate the instrument will signal with the text Calibrate in the display together with sound If the interval time is set to 0 the reminder function is switched off Function Calibration Interval can be used to remind the operator to perform a calibration OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Password Protected Calibration If desired t
53. s Tracer Gas Sensitivity 1 x 107 mbarl s 0 02 g yr Table 10 5 Gas sensing specification In Measuring Mode Selected unit Measurement Sensitivity range Linearity Repeatability ppm H2 0 5 ppm 0 5 2000 ppm 0 2 Typ 15 of reading Typ 10 of within 0 1 10 x reading 0 3 ppm calibration point in range 0 5 100 ppm mbarl s air 5x 107 mbarl s 5x 107 4x 102 mbarl s Typ 15 of reading Typ 10 of using 5 Ho within 0 1 10 x reading 3 x 107 95 N as calibration point in mbarl s Tracer Gas range 1x 10 2x 107 3 mbarl s g yr R143a using 5 H gt 95 N as Tracer Gas 0 2 g yr 0 2 8300 g yr Typ 15 of reading within 0 1 10 x calibration point in range 0 2 420 g yr Typ 10 of reading 0 1 g yr OM Sensistor ISH2000 EN 201304 51 Hydrogen leak detector Sensistor ISH2000 Operating Manual EN 11 Spare parts and accessories There are a variety of spare parts and accessories to the Sensistor ISH2000 In the following table some of these are presented for a complete list of all spare parts and accessories please visit www inficon com Table 11 1 Spare parts and accessories Hand Probe P50 590 780 Hand Probe P50 FLEX 590 790 Probe Cable C21 Length 3m 590 161 Length 6m 590 175 Length 9m 590 165 Length 4m Helical 590 163 Length 6m Helical 590 164 Probe Tip Pro
54. s set in the Calibration menu Select ppm cc s cc min SCCM g yr oz yr mbarl s mm s mm min Pa m s or Custom When you select Custom you can enter any unit as long as it contains a maximum of 12 characters OM Sensistor ISH2000 EN 201304 25 Hydrogen leak detector Sensistor ISH2000 Operating Manual Calibration can be performed with e a known hydrogen concentration e aknown flow leak The following characters can be used Upper and lower case Roman letters the numbers U U A A O and dash Note The space is not supported The leak rate unit string will be cut short at the first space found See Engineering format on page 23 Leak Gas Leak Gas is the gas the Calibration Leak is defined to Calibration Time The Calibration Time decides how long time the detector looks for a Calibration 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 operator 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 Calibration will not be correct if the maximum signal comes after that the calibration time has terminated This is also the timeout of the Calibration line in an APC program Interval 26 Calibration is a natural part of leak measu
55. sed by a microprocessor which also controls the sensor temperature with high accuracy and other sensor diagnostics in order to ensure perfect functionality It also automatically compensates for background gas 5 2 Condition for leak detection To use the leak detector the test object must be filled and pressurized by tracer gas 95 N gt 5 H2 to get a gas flow through the leak The tracer gas is a standard welding gas of industry quality easy to obtain at low cost The generic name is Forming Gas Appropriate gas filling equipment can be obtained from the leak detector supplier Be careful of how tracer gases are handled after use Released tracer gas contaminates the surrounding air with hydrogen and can complicate the following measurements for a time Ensure that the tracer gas is ventilated away from the target area preferably to the outside of the building 5 3 Leak Detection mode The detector operates in three modes e Locating Mode is mainly used for detecting and locating leaks but not quantifying them e Measuring Mode measures the concentration of hydrogen e Combined Mode default mode which is a combination of Locating and Measuring Mode The Locating Mode operates continuously while the Measuring Mode determines the hydrogen concentration and calculates a corresponding leak rate in a step measurement Locating Mode gives no numbers It therefore needs no actual calibration The sensitivity of the sound signal and t
56. t 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 Note INFICON AB can not take any responsibility for the consequences arising from the inappropriate use of certain test pressures OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Pressure shocks might cause strong sounds which can cause impairment of hearing Check that all relevant legislation and safety standards are complied with before Z putting Sensistor ISH2000 into service 4 2 Hydrogen Tracer Gas for leak detection 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 available 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 irrespective of the ratio of air to gas When a mixture of more than 5 5 hydrogen 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 ener
57. tection Cap for Hand Probes P50 and P50 FLEX 590 625 Set of 500 591 273 Set of 50 Probe Tip Filter 591 234 Set of 50 Power cable eu 591 146 Power cable uk 591 147 Power cable us 591 853 Fuse 2 A slow for Sensistor ISH2000 591 578 Carrying case for Sensistor ISH2000C 591 329 Battery charger for Sensistor ISH2000C 591 795 Hand Probe sensor 590 292 Mounting kit Sensistor ISH2000P 590 810 Phoenix connector to Sensistor ISH2000P 591 792 O ring seal 591 528 Calibration Leaks Standard or customer specific leaks for detector see separate calibration Data Sheet 52 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 12 Support by INFICON EN 12 1 How To Contact 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 following information readily available e The serial number and firmware version for your instrument e A description of your problem e 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 12 2 Returning your instrument to INFICON 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 soeaking with a Customer Support Representa
58. tion gas contains 10 ppm Hydrogen in synthetic air 1 Set the Calibration Value 10 2 Set the Calibration Unit PPM OM Sensistor ISH2000 EN 201304 21 Hydrogen leak detector Sensistor ISH2000 Operating Manual EN 8 Reference section 8 1 22 This section of the user manual consists of an in depth explanation and additional information which completes the operating manual with all relevant information 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 See Menu Overview on page 54 Fig 8 1 Sensistor ISH2000 start screen Combined Mode 0 0 cc s a Air Volume Sens Cal 1 00E 01 To enter the menus press Menu button 4 Fig 8 2 Sensistor ISH2000 main menu screen Press lt and gt button 2 and button 3 to choose between main menus If no setting is made in a menu or its sub menus within 60 seconds the instrument will revert to the Locating Mode Measuring Mode For more information about the menu see Menu Overview on page 54 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 8 2 Button functions The buttons may change functions in different menus Always read the text just above the buttons in the display for the button functions All changes in
59. tive You must obtain a Return Material Authorization RMA number from the Customer Support Representative 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 Declaration 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 designated decontamination facility not to the factory OM Sensistor ISH2000 EN 201304 53 Hydrogen leak detector Sensistor ISH2000 Operating Manual EN 13 Menu Overview Volume Sens Cal Menu Change Test Mode Measuring Mode Locating Mode Combined Mode Calibration Calibrate Calibration Value Calibration Unit Leak Gas Calibration Time Interval Password Protected Calibration Locating Mode Settings Sensitivity Auto Range Direct Sensitivity Adjustment Audio Threshold Reject Indication Audio Ready Pulse Measuring Mode Settings Reject Level Measuring Unit Displayed Gas Multipoint Measuring Multipoint Measuring Time Min Presentation Time Display Threshold Audio Threshold Reject Indications Show Reject Level Audio Ready Pulse APC Se
60. to 120 g yr defined for R134a Please contact the provider of the detector for help to select optimal calibration reference for your application 7 3 Unit Conversion When using flow units other than ppm and custom the instrument automatically converts between the calibration unit and the measurement unit The conversion is saved in the Correlation value and is updated when Calibration Unit or Measuring Unit is changed Leak Gas and Displayed Gas will not change Correlation Value but will have effect on the measured figures If ppm or custom unit is chosen Measuring or Calibration Unit the Correlation Value must be set by operator To set Correlation Value go to menu General Settings Correlation Value can be modified even otherwise OM Sensistor ISH2000 EN 201304 19 Hydrogen leak detector Sensistor ISH2000 Operating Manual 7 4 Calibration procedure Before calibration the Calibration Value Calibration Unit and Leak Gas in the Calibration Menu must be set See Calibration value with Calibration leak and Calibration value with Calibration gas below Let the instrument be in operation for at least 30 minutes to achieve the best conditions for a calibration When calibrating do the following steps 1 Go to Menu then Calibration Calibrate Enter or just push the button Cal on the main screen 2 Expose the probe to background 3 Push the Start button or push the probe button 4
61. to a leak which gives rise to another 10 ppm H then the detector will give essentially the same signal as if there were no background concentration Sensitivity Sensitivity of audio signal and signal bar in Locating Mode Note This does not affect the Measuring Mode Auto Range Set this parameter to ON for auto ranging of sensitivity in Locating Mode Sensitivity will decrease two steps if the signal reaches full scale Sensitivity is restored to selected Sensitivity when signal returns to zero Direct Sensitivity Adjustment Setting this parameter to OFF will remove the sensitivity adjustment from the Locating Mode display Sensitivity can still be adjusted in the Sensitivity Settings menu after entering password if set Note The sensitivity setting only affects the Locating Mode and Combined Mode Audio Threshold Makes it possible to mute the sound to a set level in Locating Mode The level is in of full Locating bar Reject Indication Makes it possible to show the indication Reject in Locating Mode 28 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Audio Ready Pulse EN This sets the standby sound to a silent or pulsating tone p 8 8 Measuring Mode Settings In Measuring Mode the measured value is displayed in figures The default unit is in cc s but it is possible to choose other units See Default parameters on page 46 To Measure Leaks The Measuring M
62. ttings 2 Probe Type 2 APC Time A 2 APC Time B 2 APC Time C 2 54 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual APC Time D 2 Purge Level 2 Reset Signal 2 Display Settings Contrast Brightness Invert Colors Screen Save Timeout General Settings Correlation Value Language Measure Print Button Probe Button Probe Lamp Change Password Password Protection Level Audio Base Frequency Set Clock Set Date Data Output Info Service Settings Show Password Instrument System Reset Detector Signal Level Trigg Level Min Calibration Time Calibration Tolerance Battery Mode ILS500 Mode Number of Significant Digits Debug Mode Service Mode Not in ILS500 Mode 2 Not in Battery Mode OM Sensistor ISH2000 EN 201304 55 Hydrogen leak detector Sensistor ISH2000 Operating Manual EN 14 Declaration of conformity INFICON Declaration of Conformity Manufacturer INFICON AB Westmansgatan 49 SE 582 16 Link ping Sweden Phone 46 0 13 355900 Fax 46 0 13 355901 Product Hydrogen Leak Detector Brand Names ISH 2000 Table top model ISH 2000 C Battery operated model ISH 2000 P Panel mounted model ISH 2000 ICE Table top model ISH 2000 C ICE Battery operated model The manufacturer declares the abo
63. value will be automatically calculated for other flow units For example if you calibrate with cc s and want the instrument to show cc min the displayed value is adjusted by a internal factor of 60 If PPM or Custom units are selected there will not be an automatic conversion factor calculation If a unit conversion is needed the conversion factor must be calculated manually and inserted into the Correlation Value under General Settings The Correlation Value is always set to 1 when the PPM or Custom units are selected but is adjustable afterwards The Measuring Unit is a text string with a maximum of 12 characters The following letters can be used Upper and lower case English letters the numbers 0 to 9 A A O a 6 and Space is not supported The string will be shortened after the first space found OM Sensistor ISH2000 EN 201304 29 Hydrogen leak detector Sensistor ISH2000 Operating Manual Displayed Gas Displayed Gas is the unit shown on the display If another gas is chosen the measured value is automatically recalculated Note When selecting different types of gas it is assumed that the same type of tracer are used in both calibration leak and test objects typically 95 N2 5 H2 The conversion of different types of gas assumes laminar flow in the leak which is normal The instrument displays the total flow of the tracer gas Multipoint Measuring Summing up of the Measuring result A fixed
64. ve products to be produced in conformity with the following directives CE Marking Directive 93 68 EEC EMC Electromagnetic Compatibility 2004 108 EC LVD Electrical safety Low Voltage 2006 95 EC WEEE Waste electrical and electronic equipment 2002 96 EC RoHS Restriction of the use of certain hazardous substances in electrical and electronic equipment 202 95 EC Relevant only for battery charger CE marked on the Battery operated model Manufacturers declaration provided on request For INFICON AB September 01 2011 Faded fagi Fredrik Enquist R amp D Manager INFICON AB Box 76 SE 581 02 Link ping Sweden Phone 46 0 13 35 5900 Fax 46 0 13 35 59 01 www inficon com E mail reach sweden inficon com 56 OM Sensistor ISH2000 EN 201304 15 Recycling OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual 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 inadequately 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 LIN
65. white and white to black Useful in a dark environment to keep a high readability Screen Save Timeout Display lamp will turn off 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 or probe buttons are pressed if a gas signal is detected or an instrument error is detected 8 11 General Settings This part describes the general settings of the Sensistor ISH2000 Correlation Value Correlation Value is used when it is necessary to correct the relation between the detector signal and the displayed number This might be necessary if the hydrogen concentration of the Tracer Gas inserted into the test object is changed e g when the Tracer Gas is mixed with existing air in the test object Language The Sensistor ISH2000 user interface contains the following languages e English e French e German e Italian e Spanish e Swedish 32 OM Sensistor ISH2000 EN 201304 Hydrogen leak detector Sensistor ISH2000 Operating Manual Measure Print Button EN Setting this parameter to ON displays Measure or Print above the button 1 Measure will be displayed for an APC Probe or Print for 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

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