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Instruction Manual

for the

Primary Standard Airflow Calibrator

with Interchangeable Flow Cell Assemblies

Flow Cell Assembly Ranges

Low : 1 to 250

Standard : 20 cc/min. to 6 LPM

High : 2 to 30 LPM

On-Site Instruments

(l-800-766-7483)

689 North James Road Columbus, Ohio 43219

Advanced Test Equipment Rentals

www.atecorp.com 800-404-ATEC (2832)

Established 1981

Содержание Gilibrator

Страница 1: ...le Flow Cell Assemblies Flow Cell Assembly Ranges Low 1 to 250 cc min Standard 20 cc min to 6 LPM High 2 to 30 LPM On Site Instruments l 8OO 7 On Site l 800 766 7483 689 North James Road Columbus Ohio 43219 Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 Established 1981 ...

Страница 2: ...ibrator Section Page 1 Introduct ion 2 2 General Description 2 6 3 Theory of Operation 7 4 Operating Procedures 8 12 Initial Set up Operation 5 Storage E Maintenance 13 17 6 The Printer Module 18 Introduction E General Description 18 19 Theory of Operation 19 Operation Procedures 19 21 Storage and Maintenance 21 7 Spec if icat ions The Gil ibrator 22 The Printer Module 23 8 Cilibrator Parts List 2...

Страница 3: ...ntical data is displayed on the LCD of the Cilibrator Control Unit during calibration 1 Flow Cell Assembly See fig lb The Flow Cell Assembly consists of a Bubble Generator and Sensor Block Each Bubble Generator is sized to produce a bubble film stretched across the diameter of the flow cell tube which is carried by airflow from the bottom to top of the tube As the bubble traverses past two infrare...

Страница 4: ...ans of two Locking Screws 7 and allows easy removal to facilitate cleaning 1 Electrical Interface The Electrical Interface provides power to the sensing system as well as transmits timing information to t h e C o n t r o l U n i t 2 The Control Unit base See fig la The Control Unit 14 contains a crystal controlled timing system a micro processor control system and an LCD readout for displaying flo...

Страница 5: ...will also appear initially when turning the Control Unit ON as a sequence check of the unit s electronics i Cable Assembly 5 mates with the Connecting Jack 6 in the back of the Sensor Block It provides power for the sensing system i n f o r m a t i o n r e g a r d i n g c e l l s i z e a n d c o n t r o l o f t h e timing information to the micro processor j Timing System The quartz controlled tim...

Страница 6: ...6 7 6 9 10 11 12 13 14 15 16 17 16 19 20 21 22 23 24 Bubble Generator Assembly D a m p e r P l a t e 2a Pulsation Damper 2b 0 Ring Spacer Plate Bubble Breaker Cable Assembly Sensor Block Connecting Jack Sensor Block Locking Screw Sensor Block 25 26 Figure la ...

Страница 7: ...2a Pulsation Damper 2b 0 R i n g Spacer Plate Bubble Breaker Sensor Block Locking Screw Sensor Block Base Plate Assembly 9a 0 R i n g Bubble Generator Ring Bubble Initiate Button 21 22 23 Air Inlet Boss 24 Flow Tube 25 Storage Tubing 26 Air Outlet Boss 27 Safety Tape 1 2 3 4 7 a 9 a 6 F i g u r e l b w ...

Страница 8: ... which are mounted at the bottom and the top of the Sensor Block The volume bound by these sensors is specifically adjusted to a volume standard by allowing the upper sensor blocks to move in unison so as to enable this calibration to be set accurately to a primary volume standard A second function of the sensor block provides the interfacing code to define the cell volume as well as sensitivity a...

Страница 9: ... wall and connect to the Charging Jack 13 on the right side of the Control Unit The unit s Charging LED 11 will light indicating that the unit is charging properly Allow the battery system to charge for 14 hours prior to operation B Mounting the Flow Cell Assembly See fig 2 1 Select the Flow Cell Assembly to cover the flow range required 2 The bottom of the Flow Cell Assembly employs a quick mount...

Страница 10: ...either the right or left side See fig 3 Figure 3 I I I I Flow Cell Assembly I I C o n t r o l U n i t I Mounti Cell Assembly Mounted 4 Grasp the bottom cell chamber and rotate the cell until it clicks in CAUTION Always engage E disengage the cell by grasping and rotating 09 the bottom cell chamber The cell assembly will now face forward see Fig 4 Figure 4 Firmly twist cell into the locking positio...

Страница 11: ...e I n i t i a t e B u t t o n 2 2 a n d h o l d i n g i t d o w n i n t h e l o w e r position Continue to add enough soap solution until the angled edge at the bottom of the Bubble Generator Ring 21 is immersed in the solution Do Not Overfill See fig 6 3 After filling is completed the rubber Storage Tubing 25 may be removed completely Recap the soap dispenser bottle for later use NOTE If the Flow...

Страница 12: ...e l o p a f e e l f o r bubble generat ion with practice B Power Up 2 After the Flow Tube walls have been primed turn on the Power Switch 12 of the Cilibrator Control Unit base and the Printer Module if one is being used Wait approximately 10 seconds while the system runs through it s check sequence The Run LED 20 will light at this time as well as a Lo Battery indication and a series of five dash...

Страница 13: ...w average and sample number of each successive bubble reading Without Printer Option The Control Unit will display the actual flow for each sample and will accumulate and average each succes sive reading 1 A v e r a g e 1 5 In order to display average and number of samples depress and hold the Average Button Releasing the button will display the last flow reading Repressing the button will display...

Страница 14: ...Storage If the Cilibrator is not to be used for long periods of time the following steps should be taken to keep the unit in proper working order 1 Disconnect the Cable Assembly from the back of the Sensor Block on the Flow Cell Assembly 2 Remove the Flow Cell Assembly from the Control Unit base Remove the Cell from the base in the reverse order in which it was mounted 3 Pour soap solution out of ...

Страница 15: ...on o r s e e F i g u r e 9 b Remove the Sensor Block Assembly by loosening the 2 holding screwsand sliding the block out from between the Upper lower cell chambers Remove Safety Tape Using a small flat blade screw driver lift off the Damper Plate 2 using the notch between the upper chamber and the lid Remove the Spacer 3 and then the Bubble Breaker Plate 4 This gives completeaccess to the interior...

Страница 16: ...e into place Exces sive weight on the flow cell may result in breakage Replace the Seal Tubing between the Upper and Lower cell bosses for storage r 1 Damper Plate sembly Upper Flow Cell L hamber Reposit ior into Upper and press Damper Plate Assembly Flow Cell Chamber firmly into place Bubble Generator Assembly Screws 15 ...

Страница 17: ...e 2 from the Upper Cell Chamber using the notch provided Remove the large O ring 2b and the Pulsation Damper diaphragm 2aI See fig 10 CA Damper Plate Assembly Figure 11 A r Flow Cell Chamber Insert a Fiathead Screwdriver between the Damper Plate Assembly the Iip of the Upper Flow Cell amber Gently pry apart the two twisting the screwdriver b 4 F i g u r e 1 0 Bubble Generator Assembly Q f3 0 Dampe...

Страница 18: ...served c Cleaning To clean the exterior of the Bubble Generator use a mild detergent and warm water NEVER USE ALCOHOL ACETONE OR ANY OTHER HARSH CLEANERS TO CLEAN THE BUBBLE GENERATOR d T r a n s p o r t a t i o n W h e n t r a n s p o r t i n g t h e G i l i b r a t o r e s p e c i a l l y by air it is important that one side of the seal tube which connects the inlet and outlet boss be removed th...

Страница 19: ...e the unit NOTE The printer should 0 be used with the Cilian Interconnect Cable providedwhich supplies the power for the printer Use of this printer with any other cable may cause permanent damage to the printer and to the equipment from which the cable is connected The use of a non shielded interface cable with the printer is prohibit ed 2 General Description See fig 13 The Printer is comprised o...

Страница 20: ...n calibration bubble and provides the flow rate the sample number and an average of the successive flow rates determined in that calibration series The buttons on the Control Unit are used in conjunction with the Printer module during calculation Delete Auto Average and Reset buttons are provided to subtract false readings and to initiate new calibration sequences Calculations are automatically pr...

Страница 21: ...aper in a half circle or triangular shape d While inserting the end o f t h e p a p e r p r e s s t h e P a p e r F e e d S w i t c h 5 u n t i l t h e p a p e r i s f e d o u t Replace protective paper cover see Fig 15 Figure 14 3 While inserting the end of the tieat sensitive roll paper in the direction of the arrow press and hold the paper feed switch until the paper is fed out Since the outsid...

Страница 22: ...reading Additional pressing and holding will repeat this sequence b Reset To reinitiate the sequence for additional pumps hit the Reset Button This will zero out sample and average regis ters within the Control Unit and will cause the printer to index one line and reprint headings This denotes the start of a new sequence The Reset Button may also be used if a malformed bubble is generated and has ...

Страница 23: ...l automatically reset the average to it s previous value Programmable Update The micro processor electronic design allows program mable updates to assure a long useful service life Mechanical Features i Pulsation Damper The pulsation damper removes pulsation from the flow source for higher accuracy sampling as well as eliminating pulsations back into the flow source during bubble generation Ring B...

Страница 24: ... r i g h t Number of Columns 40 columns line Printing Speed 0 6 line second S e c t i o n 8 Parts List High Flow Kit 2 30 LPM D 800270 S t a n d a r d F l o w K i t 2Occ 6 L P M D 800271 Low Flow Kit l 2 5 0 cclmin D 800272 Deluxe D 800275 High Flow Cell Assembly only D 800265 Standard Flow Cell Assembly only D 800266 Low Flow Cell only D 800267 Safety Tape 10 ft B 800331 Control Unit base D 80026...

Страница 25: ...ied specifically without limitation there is no warranty of merchantability or fitness for any purpose The liability of the Seller shall be limited to the repair or replacement of materials or parts as above set forth Limitat ion of Liability T h e S e l l e r s h a l l n o t b e l i a b l e f o r a n y c l a i m f o r c o n s e q u e n t i a l o r special loss or damage arising or alleged to have...

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