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Agilent Technologies G3388B, Инструкции по эксплуатации

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G3388B Leak Detector

Detecting leaks

To use the detector:

1

Press and hold [

FUNC/POWER

] to turn on the detec-

tor. You will hear the detector begin to sample air. 
Wait until the warmup completes.

2

If desired, set the sensitivity range or other settings. 
See 

“Setting options” 

on page 13.

3

Check the stability at the zero point (while sampling 
clean air). When stable, the leak indicator in the LCD 
display will alternate between 

■

 and 

□

. 

•

If the detector indicates a leak (more than one 
bar), press [

ZERO/ENTER

] to reset the zero bal-

ance.

•

Temperature or humidity fluctuations can impact 
the zero point.

4

Place the sample probe near the gas connection to 
check for a leak. Do not press the probe tip against 
the fittings, tubing, and so forth.

•

One bar (or LED) may not indicate a leak, espe-
cially in high sensitivity mode.

•

Two or more bars indicates a leak.

•

An audible alarm sounds when 3 or more bars 
display (with Buzzer set to On).

Turn off the detector when not in use. Press 

FUNC/POWER

 and hold for 3 seconds.

The detector can be set to turn off automatically after 
10 minutes. To enable Auto Power Off, see 

“Setting 

options” 

on page 13.

R_Hi

R_Std

R_Std

ZERO adjust

Out of zero point

or

ZERO

ENTER

Содержание G3388B

Страница 1: ...Agilent Technologies Agilent G3388B Leak Detector Operation Manual ...

Страница 2: ...nd fitness for a particular purpose Agilent shall not be liable for errors or for incidental or con sequential damages in connection with the furnishing use or performance of this document or of any information contained herein Should Agilent and the user have a separate written agreement with war ranty terms covering the material in this document that conflict with these terms the warranty terms ...

Страница 3: ...3388B Leak Detector Operation Manual Agilent Technologies The G3388B Leak Detector Introduction 4 Specifications 7 Operation 9 General information 9 Displays 10 Detecting leaks 12 Setting options 13 Maintenance 16 ...

Страница 4: ...ween the ambient atmosphere and a target gas The detector indicates leaks through a dual system that consists of an indicating LCD and an audible alarm The detector is more reliable and convenient to use than soap solutions and is capable of detecting even the smallest hard to reach gas leaks Figure 1 and Figure 2 show the controls and other parts of the meter Figure 1 Front view of the meter LED ...

Страница 5: ...etecting gases Never allow liquids or particles to enter the sample probe or reference port The G3388B is not a quantitative device It is designed to detect leaks in gas line connections commonly associated with laboratory equipment Strap eyelet Strap not included Reference port USB cable for charging battery ...

Страница 6: ...ature stable Do not use the detector while charging Allow the detector temperature to stabilize cool for 30 minutes after charging WARNING Do not use the detector in areas at risk for fire explosion or large leaks of flammable gas When detecting small leaks of flammable gases make sure sufficient ventilation exists to prevent a fire hazard Do not use the detector in environments that may be potent...

Страница 7: ... mL min in atmosphere Hi range Helium 0 0005 mL min in atmosphere Battery Rechargeable lithium ion battery Charging time 2 5 h Continuous operation 5 hours with a new fully charged bat tery standard range LED off Buzzer off Backlight off Display LCD display with 8 bar graphs 8 LED lamps Recharger USB cable part number G3388 80000 Operating temperature range 10 to 40 C noncondensing Overall size 50...

Страница 8: ...ically air The larger the difference the greater the sensitivity See Table 1 Table 1 Thermal conductivities of common gases at 0 C 1 atm Gas Thermal conductivity mW m k Hydrogen 168 2 Helium 142 2 Neon 46 5 Methane 30 2 Air Not detectable 24 1 Nitrogen 24 0 Ethane 18 0 Ethylene 16 4 Argon 16 3 Carbon dioxide 14 5 Krypton 8 7 Xenon 5 2 ...

Страница 9: ...itting that you are checking Protect the detector from vibration while it is operating Periodically replace the filter part number G3388 80001 that is attached at the inlet of the sample probe See Replacing the filters on page 17 NOTE Before first use and after a long period of disuse fully charge the battery See Charging the battery on page 16 NOTE Be aware that the detector will give a positive ...

Страница 10: ...splays Range Leak indicator LED Battery indicator Leak indicator LCD R_Std Leak indicator LED Range R_Std Standard sensitivity range R_Hi High sensitivity range 10 times more sensitive than standard range Battery indicator The Battery indicator shows the battery charge level in 3 levels 3 bars Ample charge Greater than 50 charge remaining 2 bars Low charge Battery charge about 20 30 1 bar Very low...

Страница 11: ...ty than air Indicates a gas leak for a gas with a lower thermal conductivity than air Leak indicator LED display When the leak gas is detected the LEDs light from the bottom left to the top then from the bottom right to the top maximum 8 bars The LED indicators can be turned off if desired Zero point display When measuring clean ambient air the green or the red LED blinks when the detector becomes...

Страница 12: ...ERO ENTER to reset the zero bal ance Temperature or humidity fluctuations can impact the zero point 4 Place the sample probe near the gas connection to check for a leak Do not press the probe tip against the fittings tubing and so forth One bar or LED may not indicate a leak espe cially in high sensitivity mode Two or more bars indicates a leak An audible alarm sounds when 3 or more bars display w...

Страница 13: ...Function and options Range Select standard Std or high Hi range sensi tivity Standard is the factory default Buzzer Enable disable audible alarm for leaks that show 3 or more bars LEDs LED Turn LED indicators off on Turn off to conserve battery charge Backlight Turn LCD backlight on or off Turn off to conserve battery charge A P Off When on the detector turns off after 10 min of inactivity Turn on...

Страница 14: ...uzzer ON LED ON Param Set Range Std Buzzer ON LED ON Param Set Range Std Buzzer ON LED OFF ZERO ENTER ZERO ENTER ZERO ENTER ZERO ENTER ZERO ENTER ZERO ENTER ZERO ENTER ZERO ENTER FUNC POWER FUNC POWER Returns to the Standard Display Returns to the Standard Display Returns to the Standard Display Returns to the Standard Display Returns to the Standard Display Returns to the Standard Display Standar...

Страница 15: ...Backlight OFF A P Off ON Param Set Backlight ON A P Off OFF ZERO ENTER ZERO ENTER ZERO ENTER ZERO ENTER FUNC POWER Param Set Backlight ON A P Off OFF Param Set Backlight ON A P Off ON FUNC POWER Returns to the Standard Display Returns to the Standard Display Returns to the Standard Display Returns to the Standard Display d Setting the Backlight e Setting the Automatic Power Off A B ...

Страница 16: ...G3388 80000 3 Allow to charge for approximately 2 5 hours Do not use the detector with the cable attached The detector and battery may become warm while charging After charging the battery allow the detector to stabilize cool for 30 minutes before use Low battery 20 30 charge Very low battery 10 min R_Std CAUTION CAUTION Because the battery gets warm while charging allow the detector to stabilize ...

Страница 17: ...clogged filter Replace the filters as described below Replacement sample probe filter G3388 80001 Replacement reference port filter G3388 80002 To replace the sample probe filter 1 Turn off the detector 2 Unscrew the probe halves and disassemble the probe 3 Use long nosed pliers to remove the old filter 4 Install the filter into the probe base as shown below Sampling probe Filter Probe base Probe ...

Страница 18: ... over the PTFE tubing as shown below 6 Reassemble the probe halves To replace the reference port filter To replace the reference port filter remove the old filter from the detector body then insert a new filter Filter PTFE tubing Reference port filter ...

Страница 19: ......

Страница 20: ...Agilent Technologies G3388 90005 ...

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