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He/O

2

Analyzer

User’s Manual

July 2012, EN

ON

OFF

MENU

ESC

CAL

MODE

He/O Analyzer

2

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Содержание He/O2 Analyzer

Страница 1: ...He O2 Analyzer User s Manual July 2012 EN ON OFF MENU ESC CAL MODE He O Analyzer 2...

Страница 2: ......

Страница 3: ...as mixing solver 14 7 3 Gas mixing simulation 16 7 4 Ambient pressure 16 8 Special accessories 17 8 1 Flow regulator 17 8 2 Pressure measuring 18 8 3 Measuring of pressure and tank temperature 18 8 4...

Страница 4: ...r 11 3 Flow adjusting 27 11 4 Disassembly of the instrument 28 12 Connecting to a computer 29 13 Defects and removal thereof 30 13 1 Error messages 30 13 2 Instrument malfunctions 31 14 Technical data...

Страница 5: ...xample in the case of breathing mixes for diving the results of the analysis may not be used as confirmation of the correct mix composition In these cases the analyzer can only be used as an aid for i...

Страница 6: ...hose program firmware is conti nuously updated This manual is for firmware release 2 18 but the manual can be applied to any hardware version Manual is primarily written for hardware version 2 4 Older...

Страница 7: ...e content of helium and oxygen and the temperature of the mix The dependence of the speed of sound on pressure is small and can be disregarded under normal atmospheric pressure At 0 C the speed of sou...

Страница 8: ...it enters the oxygen sensor block and is expelled into the air by the mix exhaust The rated flow of the analyzed mix is 0 2 L min The analyzer is powered by a standard nine volt battery type 6F22 or...

Страница 9: ...F key for about one second again The MENU key displays the available options The menu changes in individual measuring modes depending on the functions relevant to the applicable mode The key is used t...

Страница 10: ...the sampler will be slower and the measuring result will take somewhat longer to determine With the key you can suspend and by pressing it again resume measuring When measuring is suspended the last m...

Страница 11: ...of oxygen and helium Foul Air for instance Foul Air 10 O2 is foul or vitiated air with a reduced oxygen content It cannot be mixed with gases designed for preparation of breathing mixes commonly avail...

Страница 12: ...actual dive it is necessary to calculate the END using the data of the specific dive and the tested formulas of your preference The following formula is used for calculation END 100 77 RHe kde RHe is...

Страница 13: ...sor is started by pressing the CAL key at any time during the measuring As the first step of calibration we must choose between single point two point or three point calibration using the and keys and...

Страница 14: ...gases It can even include the remaining mix in the bottle to be filled in the calculation The gases are displayed in the following order the remaining gas in the bottle added mix 1 3 the required mix...

Страница 15: ...200 bars When the MODE key is pressed the same result is displayed however it is expressed in pressure to add or to discharge Disch 40 5 bar Add 80 0 bar He Add 13 7 bar O2 Add 26 8 bar Air or decreas...

Страница 16: ...enter mix composition manually by pressing CAL or switch to measurement mode by pressing and directly measure concrete mixture Calculation of final mixture proceed continuously and mixture constituti...

Страница 17: ...12 modular system The illustration shows only one of the possible configurations Because the leads of the distribution block are equivalent it is possible to freely reconfigure individual elements acc...

Страница 18: ...example the pressure was nullified when reaching absolute pressure of 150 0 bars and from that time a pressure increase of 52 6 bars occurred This option is useful when blending mixes using the partia...

Страница 19: ...e of separate pressure measuring but supplemented with other data which show the anticipated pressure after the tank cools for example Oxygen 20 1 Helium 30 5 Temperature 25 5 C 0 202 6 bar 32 1 C 190...

Страница 20: ...ed to be used as a tool when repairing diving equipment in the field diving lamp storage or plain battery check etc The maximum allowed DC voltage is 40V any polarity or 28V AC with sinusoidal wave Th...

Страница 21: ...ns Warning If the ohmmeter is connected to the mains voltage the analyzer will be destroyed and or personal injury or death due to electric shock may occur 8 6 Emergency disconnection of filling stati...

Страница 22: ...Realy must not be in any case used directly for shut down of compressor but only for controll circuit e g power relays Warning Power circuit wiring and circuits connected to electric power must be mad...

Страница 23: ...vates the calculation of the moving average from the set number of values of the He concentration The number of averaged values is set with the Values to avg parameter When activating averaging the He...

Страница 24: ...he ideal gas is sufficient for ordinary use Ref temperature is the temperature of the gas used for calculations 9 4 Continual analysis Here the boundary values are set When these values are exceeded a...

Страница 25: ...bottom of display Range is defined between 0 to 100 charging When the battery is close to discharged connect the charger to power supply connector When the charger is connected you can check the stat...

Страница 26: ...n and at the end of its life the message Oxygen sensor expired is displayed upon activating the instrument In this case the sensor should be replaced as soon as possible as the accuracy of measuring t...

Страница 27: ...lower half of the open instrument The pins of the block must easily fit into the holes in the body of the instrument During the installation of the block ensure that the two o rings remain fixed to t...

Страница 28: ...imately by connecting a hose to the sampler and second end immerse to a glass with water For right adjust must from the hose end leakage continuous flow of little bubbles After test dry hose else wate...

Страница 29: ...y the option Menu Preferences Send Data to USB On Any terminal emulation utility can be used for data reception for instance HyperTerminal is sufficient for Microsoft Windows This utility is included...

Страница 30: ...r can oxygen sensor calibration performed Warning Oxygen sensor switched off This message is displayed every time the O2 sensor is switched off Error 3 Oxygen sensor expired The oxygen sensor is old a...

Страница 31: ...or there is significant background noise for example in the vicinity of a running compressor or gas motor Lower the gas flow speed this applies to the analyzer not connected using the genuine sampler...

Страница 32: ...millibars 20 32 inches of Hg which corresponds to the standard atmosphere at an elevation in the range of 0 to 3000 m 0 10000 feet above sea level Rated gas throughput 0 2 L min Basis of measuring th...

Страница 33: ...evel 13 5V_SW 5 V stabilized switched by ON OFF 14 GND 15 GND 16 9V_SW 9 V from battery or external power switched by ON OFF 17 RL1NC relay 1 normally closed 18 RL2NC relay 2 normally closed 19 RL3NC...

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