Pfeiffer ASM 340 Operating Instructions Manual
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Pfeiffer ASM 340 Operating Instructions Manual

Leak detector
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ASM 340
Leak detector
Operating Instructions
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  • Page 1 ASM 340 Leak detector Operating Instructions...

  • Page 2: Table Of Contents

    Table of contents Table of contents About this manual ..........4 1.1 Validity.
  • Page 3 Table of contents 7.1.4 Erasing ..........30 7.1.5 Viewing a recording.

  • Page 4: About This Manual

    About this manual Validity This operating manual is for customers of Pfeiffer Vacuum. It describes the functioning of the designated product and provides the most important information for safe use of the unit. The description follows applicable EU guidelines. All information provided in this operating manual refers to the current state of the product's development.

  • Page 5: Conventions

    About this manual Conventions 1.2.1 Safety instructions Operating manual safety instructions Pfeiffer Vacuum are based on the UL, CSA, ANSI Z-535, SEMI S2, ISO 3864 and DIN 4844 certification standards. This document de- scribes the following information and danger levels: DANGER Imminent danger Indicates an imminent hazardous situation that will result in death or serious injury.

  • Page 6: Pictographs

    About this manual 1.2.2 Pictographs Prohibition of an action or activity in connection with a source of danger, the disregarding of which may result in serious accidents Warning of a displayed source of danger in connection with operation of the unit or equipment Command to perform an action or task associated with a source of dan- ger, the disregarding of which may result in serious accidents 1.2.3...
  • Page 7 About this manual Quality: certifies that the product has been certi- fied compliant with quality control upon leaving the factory. Indicates whether the Bluetooth, Wi-Fi or Ether- HLD1302577 - RS232 net options have been installed on the products, Bluethooth MAC address and their MAC addresses.

  • Page 8: Safety

    Safety Safety Safety precautions Obligation to inform Any person responsible for installing, using or maintaining the product must first read the security instructions in this operating manual and comply with them.  It is the operating customer’s responsibility to protect all operators against the dan- gers associated with the product, with the media pumped and with the entire instal- lation.

  • Page 9: Protective Equipment

    Safety NOTICE Wet Model: Filling with oil  Oil must be added to the primary pump before the detector is switched on. The potential hazards for a leak detector involve electricity, the tracer gas, the pres- surised nitrogen supply and the lubricant (for the Wet models). ●...

  • Page 10: Proper Use

    Safety Proper use NOTICE EC conformity The manufacturer's declaration of conformity becomes invalid if the operator modifies the original product or installs additional components.  Following installation into a plant and before commissioning, the operator must check the entire system for compliance with the valid EU directives and reassess it accor- dingly.

  • Page 11: Transport And Storage

    Transport and storage Transport and storage Upon delivery, check that the product has not been damaged during transport. If the product is damaged, contact the carrier and notify the manufacturer. In all situations we recommend:  keeping the product in its original packaging so it stays as clean as it was when dis- patched by us.

  • Page 12: Storage

    Transport and storage Before moving a detector, make sure that the covers are properly attached:  the front cover cancels 3 fixing screws for the rear cover (out of the 5 screws in total): make sure that these 3 screws are in place and properly tightened. ...

  • Page 13: Product Description

    ● 1 protective cover 4.1.2 Variants The ASM 340 leak detectors are particularly suitable in Industry for vacuum and sniffing leak detection, in various applications from maintenance to small production applica- tions. Easy operation, robustness, ultra fast response time, are among the outstanding features of these compact multipurpose units.

  • Page 14: Connection Interface

    Test method The test method is chosen depending on the part to be tested. For more information about leak detection test methods, see Leak detector compendi- um on the website www.pfeiffer-vacuum.com. 4.3.1 Hard vacuum test ● Part that can be connected to pipe and placed under a vacuum ●...

  • Page 15: Sniffing Test

    Product description At the time of spraying, the leak rate does not appear instantly. There is a response time which depends on the volume V to be tested and on the tracer gas pumping speed S of the system at part's inlet, according to the ratio: T = V/S (T in seconds, V in litres, S in l/s).

  • Page 16: Installation

    Installation Installation Prerequisites for optimising measurement To optimise pumping and measurement speed: ● Use pipe with a diameter equal to the diameter of the detector's inlet. The pipes should be as short as possible and completely sealed. ● Do not use plastic hoses such as compressed air pipes. ●...

  • Page 17: Filling With Oil (Wet Model Only)

    Installation 5.3.1 Storing the lifting handles One the detector has been installed, the handles can be removed and stored in the back of the detector or used to place the control panel on a work surface. ● 5-mm Allen key. Tools required Fig.

  • Page 18: Connecting The Purge Circuit

    Installation  Make sure that the detector is off (circuit breaker at 0, the control panel screen is off) and in a horizontal position.  Open the cover.  Remove the oil fill cap (1) from the rotary vane pump (2). ...

  • Page 19: Connection To The Mains Power Supply

    Installation Connection to the mains power supply WARNING Risk of electromagnetic disturbance The product’s EMC rating is obtained on the understanding that it is installed in compli- ance with EMC rules.  Use sheathed links and connections for interfaces in environments that produce dis- turbance.

  • Page 20: Connecting The Part/Installation To Be Tested

    Installation Connecting the part/installation to be tested NOTICE Limit of operation  Make sure that the parts or chambers connected to the inlet of our products withstand a negative pressure of 1 · 10 hPa in relation to atmospheric pressure. ●...

  • Page 21: Operation

    Operation Operation Control panel It is interfaced with the detector and is used to: – display information about the test – access the available functions – setting of the detector's parameters. For a screenshot, set a function key to [Screen Copy] (see 7.7.2). 6.1.1 Description START...

  • Page 22: Contrast - Brightness - Screen Saver

    Operation Keys for setting the values Moving to the next function/screen/parameter Return to the previous display Return to the previous display and confirm the changes made Return to the previous display without confirming the changes made Deleting the selected file Set point setting 1 Exponent setting 2 Mantissa unit setting...

  • Page 23: Standard" Screen

    Operation Fig. 6: Example of each screen 1 "Standard" screen (home) Information about the current test 2 "Graph" screen Monitoring and recording the leak rate and/or the inlet pressure 3 "Vacuum circuit" screen Vacuum circuit of the detector and the status of the valves 4 "Settings"...

  • Page 24: Settings" Screen

    Operation Mute function indicator Air inlet function indicator Cell pressure bargraph display Leak detector unit Leak rate correction function indicator 10 Zero function indicator 11 Detector inlet pressure display (unit consistent with the leak rate unit) 12 Tracer gas ( He or H A password can be used to lock access to the "Settings"...

  • Page 25: Prerequisites To Use

    Operation 6.1.7 "Vacuum circuit" screen Vacuum circuit of the detector and the status of the valves. The vacuum circuit varies depending on the status of the valves, but does not make it possible to manage the valves. Fig. 7: Example of a vacuum circuit Red valve Valve closed Green valve...

  • Page 26: Switching The Detector On

    Operation NOTICE Risk of seizing  Never move the detector while it is in use, even if it is placed on a trolley. Before each switching on: All models  Become familiar with the safety instructions (see 2).  Remove the cover before using the product. ...

  • Page 27: Monitoring Operation

    Operation The test can also be started using a remote control (accessory): see Remote con- trol Operating instructions.  Select the ’sniffing’ test method (see 7.4.1). Sniffing test  With the leak detector in Stand-by mode, connect the sniffing probe (accessory) to the provided connector ( ) and select Standard or Smart probe model (see 7.4.4).

  • Page 28: Advanced Settings

    Advanced settings Advanced settings "Graph" screen  Access the "Graph" screen by pressing 7.1.1 Description Monitoring and recording the leak rate and/or the inlet pressure. Fig. 10: "Graph" screen 1 Deleting/Viewing/Recording a plot 2 Plot of the tracer gas leak rate (in red) 3 Scale of the tracer gas leak rate (in red) 4 Time scale 5 Inlet pressure scale (in blue)

  • Page 29: Recording

    Advanced settings Example: leak rate = 5·10 Pa·m /s (5·10 mbar·l/s) ● automatic scale 2 decades: scale from 1·10 to 1·10 Pa·m (1·10 to 1·10 mbar·l/s) ● automatic scale 4 decades: scale from 1·10 to 1·10 Pa·m (1·10 to 1·10 mbar·l/s) ...

  • Page 30: Erasing

    Advanced settings 7.1.4 Erasing  Display the "Graph" screen (Fig. 10) (see 7.1.1). Current window  Press [Clear] (ref. 1) and validate the message. Clearing the current window does not delete the current recording or recordings already made.  Display the "Graph" screen (Fig. 10). Recording ...
  • Page 31 Advanced settings  Set the area to be reduced (ref. 1 then ref. 2 Fig. 14): return to the original graph. Fig. 14: Return to the original graph Exact measurement of a point only available on a recording. Measurement Fig. 15: Example of the recording of a point 1 Modifying the leak rate and inlet pressure scales 2 Point selected ...

  • Page 32: Saving A Recording

    Advanced settings 7.1.6 Saving a recording This function is used to save the most recent recording on a SD card to be played back/ analysed later on a PC. Saving is not automatic. It is possible to save a screenshot of the recording (.bmp) or to generate a file (.txt) with all the measurements taken.
  • Page 33 Advanced settings SET POINTS Selection Choice - Setting Initial settings limit Audio Status Invalid / Valid Valid Setting (If valid) 1 - 9 Digital voice Status Invalid / Valid Valid Setting (If valid) 1 - 9 Pollution Status Invalid / Valid Invalid Setting (If valid) 1·10...
  • Page 34 Advanced settings SPECTRO Selection Choice - setting Initial settings limit Tracer Gas Helium 4 / Helium 4 Helium 3 / Hydrogen Filament selected 1 / 2 Filament Off / On Filament Status 0 - 100 % 100 % Calibrated Leak Tracer Gas Helium 4 / Helium 4...
  • Page 35 Advanced settings MAINTENANCE Selection Choice - Setting Initial settings limit Pump Information Primary Pump 1 If Dry Model Used Status Speed Maxi Synchro If Wet Model Parameters not avail- able Secondary Pump 1 Status Rotation Synchro Speed (rpm) 90000 TMP information Access to Pump gen- eral information Events History...
  • Page 36 Advanced settings CONFIGURATION Selection Choice - Setting Initial settings limit Screen settings Brightness High / Low High Contrast 0 - 100 Panel Off None / None 15 min / 30 min / 1 h / 2 h / Paging Function Without RC 500 WL remote control detected - None With RC 500 WL remote control detected...
  • Page 37 Advanced settings ADVANCED Selection Choice - Initial settings Setting limit Leal Detection Internal Pirani Cali- Function launching bration External Gauge Gauge None / None TPR / PCR / Linear External Pressure (mbar) Pression Inlet Source Internal / External Internal Full scale (mbar) (if Linear) 0.1 - 50000 To set Purge Valve...
  • Page 38 Advanced settings ADVANCED Selection Choice - Initial settings Setting limit Input/Output Serial link 2 Type Not used / (I/O 37 pins) USB / Bluetooth / Network Parameters Mode Basic / Advanced Spreadsheet / Advanced / Export. Data / PV Protocol Handshake None / None...

  • Page 39: Set Points Menu

    Advanced settings ADVANCED Selection Choice - Initial settings Setting limit Input/Output (I/O 37 I/O connector Digital Transis- 9 - 28 Allocation See Manual I/O 37 Bypass pins) tor Output pins Activation NO / NC 8 - 27 Allocation See Manual I/O 37 Detector Ready pins Activation NO / NC...

  • Page 40: Audio Alarm And Digital Voice

    Advanced settings 7.3.1 Audio alarm and digital voice The audio alarm informs the operator that the reject set point has been crossed. The lev- Audio alarm el varies from 0 to 8 (0 to 90 dB (A)). From the "Settings" screen, press [Set points]. Audio ...

  • Page 41: Sniffing Reject Set Point

    Advanced settings For quick access from the control panel, set a function key for [Reject Point]: (see 7.7.2) Fig. 19: "Reject point" screen using a function key. 7.3.4 Sniffing reject set point The sniffing reject set point defines the acceptance set point for parts that are "accepted/ rejected"...

  • Page 42: Test Methods

    Advanced settings 7.4.1 Test methods There are 2 possible test methods (see 4.3): ● hard vacuum test, ● sniffing test. From the "Settings" screen, press [Test]. Method  Select the test method. – For the hard vacuum test, set the test mode: (see 7.4.3) –...

  • Page 43: Test Mode

    Advanced settings % He in the gas used 100 % 50 % Leak rate displayed on 1·10 Pa·m 5·10 Pa·m 5·10 Pa·m 1·10 Pa·m the leak detector without 1·10 mbar·l/s 5·10 mbar·l/s 5·10 mbar·l/s 1·10 mbar·l/s COR value Leak rate displayed on 1·10 Pa·m the leak detector with...

  • Page 44: Inlet Vent

    Advanced settings 7.4.6 Inlet vent This function allows an inlet vent after a hard vacuum test stop. It allows the detector's inlet, and therefore the connected part or installation, to return to atmospheric pressure. This function is secure: a confirmation message "Inlet vent? Please confirm." appears each time the operator requests an inlet vent.

  • Page 45: Zero Activation

    Advanced settings From the "Settings" screen, press [Test] [Memo Function]. Display time Setting required if the function is active.  Activate the display time delay. • On = the value of the measured leak rate flashes for the set duration. •...

  • Page 46: 7.4.10 Regeneration

    Advanced settings ● Digital Transistor Output 9 – 28 = Bypass  If set otherwise, set like this: see 37 pin I/O board Operating instructions. Press [Test] [Bypass Option]. Mode None = External Bypass pump installed but not active Quick pump = External Bypass pump active only during roughing Partial flow = External Bypass pump active during roughing and test + leak rate cor- rection to be applied Evac.

  • Page 47: Spectro Menu

    Advanced settings When there is a very gross leak, the detector does not switch to Gross Leak mode and remains in roughing. Function activated and pressure < 100 hPa, a message notifies the operator that the de- tector has switched automatically to massive mode: the detector can then perform a qualitative leak test (leak information >...

  • Page 48: Filament Parameters

    Advanced settings 7.5.2 Filament parameters Fil. Selected Indicates the filament used for the measurement (2 filaments in the analyzer cell). Filament Indicates if the filament used is ’on’ or ’off’ when the detector is switched on. Fil. status Indicator of analyzer cell performance. Initial settings: between 90 % and 100 % Normal operation: between 10 % and 100 % Normal wear on some cell components will reduce this value over time but will not re-...

  • Page 49: Timers

    Advanced settings 7.6.2 Timers From the "Settings" screen, press [Maintenance] [Timers]. Detector Number of hours that the detector is switched on. Filament 1 Number of hours that filament 1 is on.  Press [xxx h] [Counter reset] to reset the counter. Filament 2 Number of hours that filament 2 is on.

  • Page 50: Pump Information

    Advanced settings 6 Detector firmware information For quick access from the control panel, set a function key for [Infor.]: (see 7.7.2). 7.6.4 Pump Information No pump information for the Wet Model: the message "No parameter available" is dis- Primary Pump #1 played.

  • Page 51: Calibration History

    Advanced settings RS 232 Event Description Code I303 TMP1 ctr reset Secondary pump 1 hour counter reset I304 TMP2 ctr reset Secondary pump 2 hour counter reset I305 TMP3 ctr reset Secondary pump 3 hour counter reset I306 Fil 1 ctr reset Filament 1 hour counter reset I307 Fil 2 ctr reset...

  • Page 52: Maintenance For The Analyzer Cell And The Secondary Pump

    Advanced settings 7.6.8 Maintenance for the analyzer cell and the secondary pump To carry out maintenance on the secondary pump or the analyzer cell, the vacuum part of the detector must be at atmospheric pressure. This function is used to shut down the secondary pump and to perform an inlet vent so that the secondary pump and the ana- lyzer cell are at atmospheric pressure.
  • Page 53 Advanced settings START STAND-BY Fig. 28: Function keys  From the "Settings" screen, press [Config.] [Function Keys]. Allocating function keys Thanks to the function keys, it is possible to give the operator access to a limited number of functions and to use a password to lock unauthorised functions on the "Settings"...

  • Page 54: Application Screens

    Advanced settings  Validate the settings (ref. 3): the function key (ref. 2) is now allocated to the [Correc- tion] function. Fig. 32: Result of the allocation 7.7.3 Application screens  From the "Settings" screen, press [Config.][Application Windows]. By pressing repeatedly on the key , the various screens available appear (see 6.1.3).

  • Page 55: Screen Settings

    Advanced settings Fig. 34: The "Graph" screen is no longer available When a screen is selected again, it automatically moves to last place. Fig. 35: The "Graph" screen is available again, and in last place. Setting the "Standard" screen From the "Settings" screen, press [Config.] [Application Windows] [Std Window Parame- ters].

  • Page 56: Access - Password

    Advanced settings 7.7.5 Access - Password  From the "Settings" screen, press [Config.] [Access/Password].  Enter the password (’5555’ by default) and validate. The operator can lock access to one or more menus on the "Settings" screen. To access Menu access a locked menu, the operator will be asked to provide the password.
  • Page 57 Advanced settings Fig. 38: Displays with Restricted access With Medium or Restricted access, the operator can temporarily access the 6 me- nus on the "Settings" screen to set parameters.  Press until the "Settings" screen is displayed with all the locked menus. ...

  • Page 58: Advanced Menu

    Advanced settings Limits with Full access. ● No limit. Fig. 40: Displays with Full access Operator with Restricted or Medium access changing the access level.  Press until the "Settings" screen is displayed with all the locked menus.  Press [Config.]. ...

  • Page 59: Leak Detection Menu

    Advanced settings 7.8.1 Leak Detection Menu  From the "Settings" screen, press [Advanced][Leak Detection]. 7.8.2 Leak Detection: Start-up timer The start-up timer prevents the leak detector from being used for a pre-determined du- ration after it has been switched on. This means measurements cannot be made until the leak detector is thermically stabilized, or while traces of tracer gas remain in the detector.
  • Page 60 Advanced settings Calibration makes it possible to verify that the detector is properly adjusted to detect the selected tracer gas and display the correct leak rate value. From the "Settings" screen, press [Advanced] [Leak Detection] [Calibration]. Calibration  Select the type of calibration. See details below. Calib.

  • Page 61: Leak Detection: Analyzer Cell

    Advanced settings 7.8.6 Leak detection: Analyzer cell From the "Settings" screen, press [Advanced] [Leak Detection] [Analyzer Cell]. Fil. Selected Indicates the filament used for the measurement (2 filaments in the analyzer cell). Filament Indicates if the filament used is ’on’ or ’off’ when the detector is switched on. –...

  • Page 62: Leak Detection: External Gauge

    Advanced settings 7.8.8 Leak Detection: External gauge Allows the leak detector to be managed by an external gauge. An external gauge can be used to manage valves, for example, depending on the measured pressure. From the "Settings" screen, press [Advanced] [Leak Detection] [External Gauge]. Gauge ...

  • Page 63: 7.8.12 Input/Output: I/O Connector

    Use of a wireless remote control (model RC 500 WL). PV Protocol Protocol for compatibility with the HLTxxx detector protocol. List of orders for the protocol compatible with ASM 340. See the RS 232 operating instructions). Ext. Module Full control of the detector by a supervisor.

  • Page 64: 7.8.13 Sd Card Menu

    Advanced settings 7.8.13 SD Card menu From the "Settings" screen, press [Advanced] [SD card]. Load Detector  Load the saved parameters onto the SD card. Param. Save Detector  Save the leak detector parameters to the SD card. Param. View * BMP View the saved ".bmp"...

  • Page 65: Maintenance / Replacement

    Maintenance / replacement Maintenance / replacement NOTICE Disclaimer of liability Pfeiffer Vacuum accepts no liability for personal injury or material damage, losses or operating malfunctions due to improperly performed maintenance. The liability and war- ranty entitlement expires. Maintenance intervals and responsibilities The detector maintenance operations are described in the Maintenance instructions for the detector.

  • Page 66: Service

    Overhaul and repair in the Pfeiffer Vacuum Service Center The following general recommendations will ensure a fast, smooth servicing process:  Fill out the "Service Request/Product Return" form and send it to your local Pfeiffer Vacuum Service contact.  Include the confirmation on the service request from Pfeiffer Vacuum with your ship- ment.

  • Page 67: 10 Accessories

    /s + Japon) 106690 RC 500 WL remote control PT 445 432 -T Standard Sniffer Probe see Pfeiffer Vacuum catalog Sniffer probe extension (10 m) 090216 Smart Sniffer Probe (3 m) BG 449 207 -T Smart Sniffer Probe (5 m)

  • Page 68: 11 Technical Data And Dimensions

    Technical data and dimensions 11 Technical data and dimensions 11.1 General Databases of the leak detectors' technical characteristics Pfeiffer Vacuum: ● Technical characteristics according to: – AVS 2.3: Procedure for calibrating gas analyzers of the mass spectrometer type. – EN 1518: Non-destructive testing. Leak testing. Characterization of mass spec- trometer leak detectors.

  • Page 69: 11.4 Dimensions

    Technical data and dimensions Conversion table: gas throughput units mbar l/s Pa m sccm Torr l/s atm cm mbar l/s 59.2 0.75 0.987 Pa m 9.87 sccm 1.69 · 10 1.69 · 10 1.27 · 10 1.67 · 10 Torr l/s 1.33 1.33 78.9...

  • Page 70: Declaration Of Conformity

    The technical file is drawn up by Mr Gilles Baret, adixen Vacuum Products, Société par Actions Simplifiées [simplified joint stock company], 98, avenue de Brogny·B.P. 2069, 74009 Annecy cédex, France. ASM 340 Harmonised standards and national standards and specifications which have been ap- plied:...
  • Page 71 Vacuum solutions Pfeiffer Vacuum stands for innovative and custom from a single source vacuum solutions worldwide, technological perfection, competent advice and reliable service. Complete range From a single component to complex systems: of products We are the only supplier of vacuum technology that provides a complete product portfolio.

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