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Hydrogen (H

) Gas Leak Detector

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Sensor

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Sensor Protector

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LED Leak Indicators

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Sensitivity Lo Button

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Sensitivity Hi Button

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Reset Button

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Low Battery Indicator

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Power On/Off

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Battery Cover

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Battery Cover Screw

5-2 LED Leak Indicator Definition:

Summary of Contents for 384

Page 1: ...384 Hydrogen H2 Gas Leak Detector ...

Page 2: ...ES 3 3 SPECIFICATION 4 4 OPERATION GUIDE 5 5 PART CONTROL 6 6 GETTING STARTED 8 6 1 Installing Batteries 8 6 2 Automatic Circuit Reset Feature 9 6 3 Feature Sensitivity Adjustment 11 7 OPERATING PROCEDURE 12 8 REPLACING NEW SENSOR 14 9 CLEANING 16 ...

Page 3: ... a mixture consisting of 95 nitrogen and 5 hydrogen Please keep the working environment in the moving fresh air Don t work the detector in the confined space or in closed room 1 2 HYDROGEN INFORMATION Hydrogen is the lightest element Therefore it spreads and volatilizes very quickly At standard temperature and pressure hydrogen is a colorless odorless tasteless non toxic nonmetallic But over 5 Hyd...

Page 4: ...r air conditioning systems Therefore a good leakage detector can help the maintenance service to trace the leakage and improve the cooling efficiency Microprocessor Control with advanced digital signal processing Multi color visual display High median Low leak sensitivity selector Low battery indication Semiconductor gas sensor Detection of mixture 5 Hydrogen H2 95 Nitrogen N Carrying case include...

Page 5: ... Power Usage 4 AA size 6V DC Alkaline Batteries Snake Tube length 40cm 15 5 Dimension Weight 173 x 66 x 56 mm approximately 400g Accessories Alkaline batteries AA X 4 pcs User manual carry case Battery Life Approximately 7 hours normal use Auto power OFF 10 minutes Disable Auto Power Off Press and Hold Hi button then power on the meter Warm Up Time Approximately 45 seconds Operating Temperature Hu...

Page 6: ...t use this unit in the environment with the burnable gases 2 There are some environmental conditions that might cause error reading Pollutant places Large temperature variation Places with high wind velocity Organic solvent adhesive vapor fuel gas and vesicant will cause abnormal response from the sensor Try to avoid the environment involved with this substance Places fill with too much to Hydroge...

Page 7: ...Hydrogen H2 Gas Leak Detector 6 5 PARTS CONTROL 5 1 Panel Description ...

Page 8: ...or 7 1 Sensor 2 Sensor Protector 3 LED Leak Indicators 4 Sensitivity Lo Button 5 Sensitivity Hi Button 6 Reset Button 7 Low Battery Indicator 8 Power On Off 9 Battery Cover 10 Battery Cover Screw 5 2 LED Leak Indicator Definition ...

Page 9: ... the bottom of the instrument as show below Fig 1 Install 4 AA size alkaline batteries Reinstall the battery cover by aligning it with the handle When the batteries are nearing the end of their useful life the Red LED Low Battery indicator illuminates The batteries should be replaced as quickly as possible 4 AA size alkaline batteries Fig 1 ...

Page 10: ...other words with the unit off if you place the tip up to a known leak and switch the unit on no leak will be indicated Ambient Reset Feature Resetting the unit during operation performs a similar function it programs the circuit to ignore the level of hydrogen concentration present at the tip This allows the user to home in on the source of the leak higher concentration Similarly the unit can be m...

Page 11: ... moving around trying to identify leakage source Once the leak source is determined cancel the Auto Detect function to proceed with leakage measurement Auto Reset function should be turned OFF when use in fixed position leakage detection ...

Page 12: ...he sensitivity press the key When the key is pressed the visual display will momentarily show the two left LED s green indicating Low Sensitivity level is selected To switch back to High Sensitivity press the key The two right LED s red will light momentarily indicating high Sensitivity level is selected Low Sensitivity level Green LED Medium Sensitivity level Orange LED High Sensitivity level Red...

Page 13: ...y The key turns the Hydrogen Leak Detector instrument ON or OFF function Press it once to turn on the Hydrogen Leak Detector the display will illuminate with flash for 45 seconds to heat up the sensor Press and hold this button for 5 second to turn OFF the power 2 Auto reset Reset function key When the Auto Reset function is turned ON the meter will monitor background status and fine tune itself W...

Page 14: ...one will alarm Additionally the visual indicators will light from left to right Green LED then Orange LED then Red LED highest concentration as increasing of level indicate that the location is close to the source When the Instrument signals a leakage pull the probe away from the leak for a moment and then bring it back to pinpoint the location If the hydrogen leak is large setting the sensitivity...

Page 15: ...rtant to ensure that sensor surface is free from water droplets vapor oil grease dust and any or all other forms of contaminant Furthermore to ensure good working condition of the unit sensors must be replacement periodically when its operative life is over WARNING When replacing new sensor the worn out sensor may be HOT 1 Remove cone cap cover from the tip of snake tube 2 Pull out old sensor and ...

Page 16: ...household detergent or isopropyl alcohol Care should be taken to prevent the cleaner from entering the instrument Gasoline and other solvents may damage the plastic and should be avoided WARNING The detergent or isopropyl alcohol might damage the sensor please keep then from the sensor through the process ...

Page 17: ...CENTER TECHNOLOGY CORP 4F NO 415 Jung Jeng Rd Shu Lin Dist New Taipei City 238 Taiwan TEL 886 2 26763926 E Mail center centertek com FAX 886 2 26763925 http www centertek com GCA000384 22000 ...

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