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Hydrogen leak detector Sensistor ISH2000 HySpeed

-

Operating Instructions

OP-Sensistor ISH2000 HySpeed-EN-201203

33

EN

Fig 8-3. Status signals after power on.

When detecting a gas signal

Fig 8-4. Status signals when detecting a gas signal.

8.14 Printer port

The Sensistor ISH2000 HySpeed 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.

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 Modem Cable). For the pin configuration refer to Table
8-4.

Table 8-4. Pin configuration of the printer port.

Power on

Power off

Warming up

Detection or analysis

mode. No gas detected.

DET_SIGNAL

LEAK_OUT

DET_WAIT

DET_ON

DET_ERROR

Gas signal

Detector signal level

0 PPM

DET_SIGNAL

LEAK_OUT

PURGE_LEVEL

Trigger (APC)

Reject level

Purge level

NOTICE!

Always switch power off before disconnecting or
connecting any cable.

Pin

Signal

Comments

1

(DCD)

Not used

2

RD

Received data

3

TD

Transmitted data

4

(DTR)

Not used

5

SG

Signal ground

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Summary of Contents for Sensistor ISH2000 HySpeed

Page 1: ...Hydrogen Leak Detector Sensistor ISH2000 HySpeed EN Operating Instructions Publication INFICON AB Part number nind69e1 a 1203 All information can be modified without prior notice ...

Page 2: ...ple in line leak testing with the Sensistor ISH2000 HySpeed suits all types of packaging where it is possible to create over pressure for the enclosed tracer gas so as to permit leak testing All types of flexible plastic packaging such as bottles bags for powders and creams bag in box bags trays and tubes can be tested When reading this manual please pay particular attention to Warning Caution and...

Page 3: ...tor 17 7 1 Introduction 17 7 2 Calibration reference 17 7 3 Calibration procedure 17 7 4 Reference value by gas concentration 18 8 Reference section 19 8 1 Menu system 19 Button functions 19 8 2 Engineering format 19 8 3 Change Test Mode 20 8 4 Calibration 20 Calibrate 20 Calibration intervals 20 Sensitivity too low for reject level 20 High signal Check reference 20 Sensor condition indicator 21 C...

Page 4: ...Level 29 HySpeed Parameters 30 Minimum Calibration Time 30 Calibration Tolerance 30 Number of Significant Digits 30 Debug Mode 30 Service Mode 30 8 11 Combined Mode 30 8 12 Probe 30 8 13 Probe Control Port 31 Probe Control Port Connector 31 Status signal patterns 32 8 14 Printer port 33 Connector pin configuration 33 Selectable printer types 34 RS232 serial communication 36 APC driver installation...

Page 5: ...eference 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 WARN...

Page 6: ... or similar applications If you intend to make the leak test using accumulation shell damps scanning or by hand sniffing we recommend the standard model of Sensistor ISH2000 Sensistor ISH2000 HySpeed 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 co...

Page 7: ... for setting numeric values languages etc messages 3 2 Push buttons 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 buttons Press Enter to move down to the nearest submenu Press Save to save the set value Press Undo to r...

Page 8: ... Reject Level limit Red flashing rapidly check message on screen See Trouble shooting on page 42 3 4 Ports and connections Sensistor ISH2000 HySpeed Fig 3 2 Sensistor ISH2000 HySpeed ports and connections Item Description 1 Probe connection 2 Ground screw 3 Power connector 4 Probe control port 5 Printer port NOTICE Always connect all four wires to the Power connector to 24VDC in order to operate S...

Page 9: ...Hydrogen leak detector Sensistor ISH2000 HySpeed Operating Instructions OP Sensistor ISH2000 HySpeed EN 201203 9 EN This Page Intentionally Left Blank ...

Page 10: ... 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 H2 95 N2 WARNING Since the tracer gas mix contains no oxygen releasing large am...

Page 11: ...re 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 energy available Only in exceptional circumstances can a flame be self supporting However such mixtures cannot detonate 4 3 Interferences Most tracer gas methods suffer from som...

Page 12: ...nsor temperature with high accuracy and other sensor diagnostics in order to ensure perfect functionality It also automatically compensates for background gas 5 3 Condition for leak detection To use the leak detector the test object must be filled and pressurized by tracer gas 95 N2 5 H2 to get a gas flow through the leak The tracer gas is a standard welding gas of industry quality easy to obtain ...

Page 13: ...eed EN 201203 13 EN calibration The sensitivity of the sound signal and the moving bar on the display is set manually or automatically see below When using the instrument in Analysis Mode it must be calibrated as described See Calibrate the leak detector on page 17 in order to give correct figures ...

Page 14: ...Hydrogen leak detector Sensistor ISH2000 HySpeed Operating Instructions 14 OP Sensistor ISH2000 HySpeed EN 201203 EN ...

Page 15: ...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 6 2 To Locate Leaks 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...

Page 16: ...tive 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 situation 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 measuring point as the measured value steadies and remai...

Page 17: ... local gas suppliers Choose a calibration reference size as follows recommendations Same or higher than the Reject Level but maximum 10 times higher in the following range 500 5000 ppm H2 Please contact the provider of the detector for help to select optimal calibration reference for your application 7 3 Calibration procedure Before calibration the Reference Value in the Calibration Menu must be s...

Page 18: ...it 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 7 4 Reference value by gas concentration The concentration of the reference gas should be near to or slightly higher Reject Level the for best accuracy and always within the range of 20 50000 ppm Set the Ref...

Page 19: ...enus within 60 seconds the instrument will revert to the Detection Mode Analysis Mode Button functions 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 previo...

Page 20: ...rations 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 is not subjected to gas for a lengthy 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 o...

Page 21: ...en 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 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 ...

Page 22: ...rted The leak rate unit string will be cut short at the first space found See Engineering format on page 19 Calibration Time 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 operator or external hardware orders a calibra...

Page 23: ... necessary Password protected calibration 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 calibration is done in the General Settings menu Note that you must also set a password The instrument is delivered with no pass...

Page 24: ...locate leaks Detection 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...

Page 25: ... unit is in PPM but it is possible to choose other units See Default parameters on page 40 To analyse leaks The Analysis 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 concentratio...

Page 26: ... used Upper and lower case English letters the numbers 0 to 9 Å Ä Ö å ä ö and Space is not supported The string will be shortened after the first space found Min Presentation Time Signal values in Analysis 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 1 12 0 seconds can be used ...

Page 27: ...ls Setting Purge Level equal to or just above Reject Level will give the fastest possible 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 underestimated as the sensor is purged before full signal has developed 8 8 Display Settings This section describes the different displ...

Page 28: ... 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...

Page 29: ... AB to have the code sent to you See the web address under the section Info Probe System Reset Resets all parameters into the probe 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 DE...

Page 30: ...ice Mode This mode contains useful information to analyse the gas sensor behavior If the instrument starts in the Service Mode then it is possible to reach APC Service Mode Under APC Service Mode is useful information to check timers I O on the Probe Control Port and other 8 11 Combined Mode In Combined Mode the bar and the sound in Detection Mode is combined with the figures in Analysis Mode this...

Page 31: ...be used for controlling active probes feeding status signals to a supervising computer system and for simple test fixture control Pin configuration for the different detector models is described under Model Specific Specifications below See Sensistor ISH2000 HySpeed specifications on page 43 for electrical specifications See Status signal patterns on page 32 for signal patterns Probe Control Port ...

Page 32: ...ault 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 10 ms 0 01 s This is the cycle time of the APC system After power on 14 OUT DET_ERROR 15 OUT LEAK_OUT...

Page 33: ...n configuration The printer port is a standard 9 pin male D sub The connecting cable is a standard 9 pin file transfer cable Null Modem Cable For the pin configuration refer to Table 8 4 Table 8 4 Pin configuration of the printer port Power on Power off Warming up Detection or analysis mode No gas detected DET_SIGNAL LEAK_OUT DET_WAIT DET_ON DET_ERROR Gas signal Detector signal level 0 PPM DET_SIG...

Page 34: ...he 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 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 m...

Page 35: ...data format for Analysis data output consists of nine ASCII characters Seven characters show the value in engineering format See Engineering format on page 19 one character shows the result of the test and one character shows line feed LF Table 8 8 The character indicating the result of the test is one of the following Example 2 5E 02R LF This example is a line feed LF R means that the test was ab...

Page 36: ... etc Note The Detection Data is expressed in arbitrary units Detection Mode signal is not affected by calibration Table 8 9 Communication specifications The data format for Detection data output contains of ten ASCII characters Nine characters show the value in engineering format See Engineering format on page 19 and one character shows linefeed LF The print time is 50 Hz continuous streaming data...

Page 37: ...Returns current analysis value Q Set APC in stand by stop a measurement Returns a Q R Activates probe 0 built in P50 Combox with H65 driver Returns an R S Activates probe 1 Installed probe driver or trigg signal handler driver Returns an S X Shift State to Analysis Mode Returns nothing Z Shift State to Detection Mode Returns nothing Y Shift State to Combined Mode Return nothing Supported parameter...

Page 38: ...eceived and correct Sensistor ISH2000 HySpeed immediately echoes sends back the data If you send a non existing header you will not receive anything If the data could not be converted in the Sensistor ISH2000 HySpeed you will receive the string CoEr Conversion Error Note Remember to use capitals for the header APC driver installation APC drivers are installed in the detector from a PC All active p...

Page 39: ...t 15 cm 6 inches for Sensistor ISH2000 HySpeed to fit Installation process Table 8 13 Install the detector as follows CAUTION 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 This will reduce contrast of display and lifetime of lamp and electroni...

Page 40: ...nd lock it by tightening the 4 set screws 6 Lock the set screws with the locking nuts 7 Connect ground terminal to protective ground of cabinet Step Action Sensistor ISH2000 HySpeed photo of brackets Bracket to panel screw Bracket to unit Bracket Parameter Range Default Analysis Unit Several Choices PPM APC Time A 0 0 6000 0 s 1 0 s APC Time B 0 0 6000 0 s 0 s APC Time C 0 0 6000 0 s 0 s APC Time ...

Page 41: ...esentation Time 120 s 1 s Number of significant Digits 2 3 2 Password Max 12 characters No password Password protected calibration ON OFF OFF Printer Port Several choices No Printer Probe Button Several Choices No Function Probe Lamp ON OFF OFF Probe Type Several Choices Hand Probe Reject Indicator ON OFF ON Purge Level 1 00E37 1 00E 37 1 00E 05 100000 Reference Unit Several choices PPM Reference ...

Page 42: ...Hydrogen leak detector Sensistor ISH2000 HySpeed Operating Instructions OP Sensistor ISH2000 HySpeed EN 201203 42 EN ...

Page 43: ...ce technician Fault symptoms Measures No sound in Detection Mode and Analysis Mode Press the button repeatedly No picture on display no sound Check the fuse 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 ...

Page 44: ...ower input connector 4 pin Phoenix MC 1 5 5 81 Series Detachable screw terminal Probe control Status port 25 pin D sub female Minimum pulse length 40 ms Input impedance 50 kohm Input maximum range 34 to 38 VDC Input high 12 0 VDC Input low 8 0 VDC Output current max 0 5 A output max 2 5 A total Inductive loads External clamp diodes recommended Low state voltage Max 1 5 VDC Low state leakage curren...

Page 45: ...on Mode Table 10 5 Gas sensing specification In Analysis Mode Overall dimensions 275 x 140 x 75 mm 11 x 6 x 3 inches Environment temperature 0 50 C Environment humidity 10 90 RH Selected unit Sensitivity mbarl s air using 5 H2 95 N2 as Tracer Gas 1 x 10 7 mbarl s Selected unit Sensitivity Measurement range ppm H2 20 ppm 20 50000 ppm Misc Sensistor ISH2000 HySpeed ...

Page 46: ...Hydrogen leak detector Sensistor ISH2000 HySpeed Operating Instructions OP Sensistor ISH2000 HySpeed EN 201203 45 EN This Page Intentionally Left Blank ...

Page 47: ...o the instrument via Combox Hand Probe P50 Connects direct to the instrument Hand Probe P50 Flex Connects direct to the instrument Robot Probe R50 Connects to the instrument via Combox 590 930 590 940 590 780 590 790 590 820 Probe Cable C21 Length 3m Length 6m Length 9m Length 4m Spiral Length 6m Spiral 590 161 590 175 590 165 590 163 590 164 Probe Tip Protection Cap for Hand Probes P50 PK50 and P...

Page 48: ...Hydrogen leak detector Sensistor ISH2000 HySpeed Operating Instructions OP Sensistor ISH2000 HySpeed EN 201203 47 EN This Page Intentionally Left Blank ...

Page 49: ...turning 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 speaking with a Customer Support Representative 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...

Page 50: ...model ISH 2000 P Panel mounted model ISH 2000 ICE Table top model ISH 2000 C ICE Battery operated model The manufacturer declares the above 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 Restric...

Page 51: ...Hydrogen leak detector Sensistor ISH2000 HySpeed Operating Instructions 50 OP Sensistor ISH2000 HySpeed EN 201203 EN This Page Intentionally Left Blank ...

Page 52: ... 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 Wes...

Page 53: ...Hydrogen leak detector Sensistor ISH2000 HySpeed Operating Instructions 52 OP Sensistor ISH2000 HySpeed EN 201203 EN ...

Page 54: ...INFICON AB Box 76 SE 581 02 Linköping Sweden Phone 46 0 13 35 59 00 Fax 46 0 13 35 59 01 www inficon com E mail reach sweden inficon com ...

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