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Accutrol Apex Premier Installation, Operation & Maintenance Manual Download Page 57

                                                                                                          T-APM - Apex Premier F

UME 

H

OOD 

M

ONITOR 

 

  T-APM                          0133MAN00015 - Rev J                      ECN  -                       JUL 2017                     

Page 57 of 61

 

APPENDIX L:  

Document Revision History

 

  

Revision History 

ECN # 

New Rev. 

New File Name 

- 

H 

T-APM 

MANUAL

 

–

 January 2016 

TOC 

 

Front Cover page 

Updated company physical address 

Back Cover page 

Updated company physical address 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for Apex Premier

Page 1: ...e Velocity Monitor Installation Operation Maintenance Manual Manual 0133MAN00015 Rev J WRITTEN FOR APM FIRMWARE VERSION 3 2 TA OR LATER Accutrol LLC 21 Commerce Dr Danbury CT 06810 Tel 203 445 9991 www accutrolllc com ...

Page 2: ...l warranty period has expired Unless specifically authorized by Accutrol in writing no warranty is made with respect to and no liability is assumed in connection with any goods which are incorporated into other products or equipment by the Buyer The foregoing is in lieu of all other warranties and is subject to the conditions and limitations stated herein No other expressed or implied warranty of ...

Page 3: ...ADING HIGH VELOCITY POINT 14 STEP 8 COMPLETION OF THE TWO POINT CALIBRATION 14 THREE POINT CALIBRATION PROCEDURE 15 STEP 1 ENABLE CALIBRATION MODE 15 STEP 2 MOVE SASH ES TO FULL OPEN LOW VELOCITY POINT 15 STEP 3 TRAVERSE HOOD FACE AT FULL OPEN 15 STEP 4 ENTER TRAVERSED READING 15 STEP 5 MOVE SASH A MID OPEN POSITION MID VELOCITY POINT 15 STEP 6 TRAVERSE HOOD FACE AT MID OPEN POSITION MID VELOCITY ...

Page 4: ...ION 28 CHANGE PASSWORD 29 CALIBRATION MENU SELECTION 30 RESTORE FACTORY DEFAULTS 30 CALIBRATE TOUCH SCREEN 30 EXIT CONFIGURATION AND CALIBRATION 30 MAINTENANCE 31 APPENDIX A MOUNTING HOLE TEMPLATE DIMENSIONS 32 APPENDIX B APM DETAILED DESCRIPTION 33 APPENDIX C PROPER WIRING TECHNIQUES 34 APPENDIX D REFERENCE PROBE INSTALLATION 35 APPENDIX E 36 SPECIFICATIONS 36 APPENDIX F CONFIGURATION AND CALIBRA...

Page 5: ...al Reference Probe 1 External Reference Probe Example T APM 10 Includes the following 1 Apex Premier Monitor 1 Hood Probe with 5 Tubing 2 Mounting Screws 1 Quick Reference Guide 1 Mounting Template Analog Option 2 Digital Inputs 2 Relay Outputs 1 0 10Vdc Analog Output Optional and or Spare Parts List Item Description Accutrol Part Number 120 VAC Power Adaptor 1436PSW00003 5 Probe Assembly 2001ASM0...

Page 6: ...h Buttons Mounting Screws Figure 1 Front View of APM The revolutionary touch screen display allows the technician to easily calibrate and configure the APM with no external tools or interfaces yet remains completely invisible to the operator Password protection is utilized to prevent any unauthorized personnel from changing calibration or configuration items The APM utilizes 3 front mounted push b...

Page 7: ...ce of a laboratory fume hood in providing protection for the worker at the face of a hood is strongly influenced by the aerodynamic design of the hood the ventilation of the laboratory room and by other features of the laboratory in which it is installed The following items are identified by ASHRAE as being important factors contributing to the safe operation of laboratory fume hoods 1 Cross draft...

Page 8: ...eding verify all components are accounted for and are not damaged Figure 2 Supplied Equipment Item 1 One 1 Apex Premier Fume Hood Monitor APM Part Number T APM Item 2 One 1 Quick Reference Guide Part Number 0133MAN00016 Item 3 One 1 Mounting Hole Template Part Number 2111TAG00643 Item 4 One 1 Hood Probe Part Number 2001ASM00551 Item 5 Two 2 Mounting Screws Part Number 2015HDW00410 1 2 3 4 5 ...

Page 9: ...t location see Appendix A Cut along the inner dashed dimensions of the template and drill the two pilot holes Slip the APM into the cutout to test fit the unit and confirm the depth is correct Do not attach the unit to the hood until all electrical connections and the hood probe and tubing have been installed Once all connections have been completed use the two screws provided to permanently mount...

Page 10: ... to 10 10 2cm to 25 4cm back from the rear of the sash panel and approximately 2 to 8 5 1cm to 20 3cm above the highest vertical opening of the sash Refer to Figure 4 for a diagram of approximate locations If possible contact the fume hood manufacturer for optimum side wall probe location guidelines Sill SASH WINDOW A B Typical Hood Probe Location Side Profile of Fume Hood A dim approx 4 10 10 2 c...

Page 11: ...ither input The digital inputs are actuated by a dry contact closure to common maximum contact resistance is 1000 ohms Step 3 Relay Outputs The APM has two independent relay outputs available Each relay is rated for a maximum of A at 120VAC or 1A at 30Vdc These relays are typically used to communicate fume hood Alarms to the Building Management System and send a Purge command to the fume hood exha...

Page 12: ... measure The Field Calibration Required message prompts the user to calibrate the unit so a non calibrated monitor cannot be unintentionally installed and display erroneous face velocities out of the box This is only displayed on a non calibrated unit Touch Screen Password Protection The password protected touch screen only needs to be activated for performing configuration and calibration of the ...

Page 13: ...such as custom walk in type fume hoods IMPORTANT The following items MUST be in place prior to performing APM calibration The APM must be properly installed wired and powered up for a period of 20 minutes minimum The room temperature must be under stable control with the nominal temperature between 68ºF and 72ºF 20ºC and 22 2ºC Fume hood exhaust and room supply must be under stable control with su...

Page 14: ...step Note By pressing and holding the sign the number will first change at a slow rate then at a fast rate automatically Depressing the RESET button will return the velocity value to the factory default setting Press the ACCEPT button when the desired value appears in the velocity box and step a few feet away from the hood After a 5 second delay the APM will now acquire 15 data points while displa...

Page 15: ...l first change at a slow rate then at a fast rate automatically Depressing the RESET button will return the velocity value to the factory default setting Press the ACCEPT button when the desired value appears in the velocity box and step a few feet away from the hood After a 5 second delay the APM will acquire 15 data points while displaying the measured values on the LCD screen SCREENS 5K 6K Obse...

Page 16: ... correct password entered press CAL MENU reference SCREEN 1 SCREEN 1G Using the up and down arrows or select ONE POINT CALIBRATION SCREEN 1K Step 2 Move Sash to Nominal Working Height Following the instructions on the APM SCREEN 11K move the sash to it s normal operating position Typical operating position may be 18 45 73cm from the work surface to the sash stops if available one horizontal pane o...

Page 17: ... One Point Calibration The final screen in the calibration process allows you to exit completely out of the calibration and configuration menus and go into monitor mode or to continue to the configuration section of the APM Press EXIT to go to monitor mode or CONTINUE TO CONFIG MENU to configure the APM SCREEN10K ...

Page 18: ...reviously completed the APM will prompt for an offset value SCREEN 19K This value will be added or subtracted when a negative number is entered to the calibration point obtained when the calibration was originally performed Using the plus and minus buttons or enter a positive or negative offset value and press ACCEPT Step 3a Verify New Reading The next displayed screen SCREEN 18K will show a face ...

Page 19: ...point by SCREEN 17K This value will be added or subtracted when a negative number is entered to the calibration point obtained when the two point calibration was originally performed Using the plus and minus buttons or enter a positive or negative offset value and press ACCEPT Step 6b Verify New Reading The next displayed screen SCREEN 18K will show a face velocity reading for the given position o...

Page 20: ... be disabled when not required This section will discuss all of the configurable functions of the APM The diagram below illustrates the basic structure of the Configuration Menu Screens Each of these menu functions are described in detail on the following pages DISPLAY ANALOG OUTPUTS RELAY OUTPUTS DIGITAL INPUTS CONTRAST ADJUST ALARMS CHANGE PASSWORD HORN MUTE AND PURGE BUTTONS CALIBRATION MENU RE...

Page 21: ... in IMPERIAL Feet Per Minute or FPM or METRIC Meters Per Second or MPS Once IMPERIAL or METRIC is chosen all units within the APM are changed to that selection For example if IMPERIAL is chosen all set points alarm points caution bands etc are in FPM Selection 2 The next selection is the time duration for the displayed graph the selections are as follows SCREEN 4A REAL TIME The APM will continuous...

Page 22: ...M will average it s readings for 10 seconds then display the averaged readings This selection also slightly slows down the displayed response time It s designed to minimize intermittent drafty locations heavy traffic areas etc By averaging over 10 second the APM can smooth out the displayed face velocity and present a better overall face velocity indication Mute Purge Alarm Horn Settings The APM a...

Page 23: ...OOD MONITOR T APM 0133MAN00015 Rev J ECN JUL 2017 Page 23 of 61 send a purge command to a controller it can be configured to toggle a set of relay contacts found on the back of the APM on the terminal block reference Appendix B ...

Page 24: ...contact between digital input 1 and common will cause the APM to display an external alarm message and go into alarm mode Select CLOSE NORMAL OPEN ALARM if a normally closed switch contact will be used to drive the input an open contact between digital input 1 and common will cause the APM to display an external alarm message and go into alarm mode Selection 3b Displaying an External Alarm Message...

Page 25: ...desired Press ACCEPT when completed Note a value of 0 turns off the caution warning completely Selection 7a Unoccupied High Alarm Set Point SCREEN 12C Press the UNOCC HI ALARM button to set the new unoccupied high alarm set point By using the plus and minus buttons and the set point value can be adjusted Press ACCEPT when the correct value is displayed or press the DISABLE button to completely dis...

Page 26: ...OSED OPEN ON ALARM the contacts act in reverse no alarm results in closed contacts between the two RELAY 1 terminals on the rear of the APM and an alarm indication on the APM causes the relay 1 contacts to open For the purge function SCREEN 5D select NORMALLY OPEN CLOSE ON PURGE if a normally open switch contact is required to indicate the purge button has been pressed on the front of the APM Thus...

Page 27: ...selection This is the highest velocity the analog output of the APM will respond to For example if the desired voltage output is 1 to 5Vdc indicating 50 to 200FPM the value of 200FPM would be entered using the plus and minus buttons and Press the ACCEPT button when the required maximum velocity is correctly displayed Selection 7 Final Verification of Settings After all the configuration screens ha...

Page 28: ...r moving equipment into or out of the hood due to lack of face velocity for a short time the alarm delay can give them up to a minute before going into full blown alarm mode To select a desired delay time use the plus and minus buttons and to adjust the time duration in seconds Press ACCEPT when completed Note if this option is not required it can be disabled by setting the delay time to 0 seconds...

Page 29: ...rmal fashion By using the plus and minus buttons and the caution band in FPM or MPS can be increased or decreased as desired Press ACCEPT when completed Note a value of 0 turns off the caution warning completely Selection 10 Exiting the Alarm Configuration Menu SCREEN 2E When complete press the EXIT button to go back to the CONFIGURATION MENU screen Change Password The password protection for the ...

Page 30: ...l default values see Appendix I To return the APM to factory defaults select the RETURN TO FACTORY DEFAULTS option from the CONFIGURATION MENU see SCREEN 1H The APM will prompt again for confirmation see SCREEN 2H Press ACCEPT to return the APM to default values press CANCEL to exit out Calibrate Touch Screen The touch screen is factory calibrated and should not require re calibration However if n...

Page 31: ...be taken near the small perforated area between the alarm and normal LED s This is the room reference probe inlet and plugging of these holes will block the air flow to the internal air flow sensor and will cause erroneous readings Periodically inspect the hood reference probe and external room reference if applicable The probes should be free of obstacles clean and dust free If dirty they can be ...

Page 32: ...T APM Apex Premier FUME HOOD MONITOR T APM 0133MAN00015 Rev J ECN JUL 2017 Page 32 of 61 APPENDIX A Mounting Hole Template Dimensions ...

Page 33: ... Probe Port Optional Remote Room Reference Probe Port Input and Output Removable Terminal Blocks HERE P ROBE C ONNECT HERE P ROBE C ONNECT HOT NEUT RELAY 1 OUT RELAY 1 OUT RELAY 2 OUT RELAY 2 OUT DIGITAL INPUT 1 DIGITAL INPUT 2 COMMON WARNING OBSERVE CORRECT POLARITY ROOM PROBE HOOD PROBE E S D 32JH ANALOG OUT 0 TO 10V ADJ PROCESS CONTROL ACCESSORY POWER INPUT Back of APM ...

Page 34: ...6 to 28 AWG stranded wire Digital Inputs Dry contact to digital common 1K ohm max resistance 16 to 28 AWG stranded wire Temperature Calibrated Temp Range 60º to 80º F 15 6º to 26 7ºC 1 27cm APEX PREMIER TM FUME HOOD MONITOR RATINGS Power Input 24VAC 50 60Hz 20 8VA or 15VDC 20 250mA 12 to 24 AWG stranded wire Relay Outputs Relay 1 fails to N O 0 5A 120VAC 1A 30VDC Relay 2 fails to N C 0 5A 120VAC 1...

Page 35: ...contact to digital common 1K ohm max resistance 16 to 28 AWG stranded wire Temperature Calibrated Temp Range 60º to 80º F 15 6º to 26 7ºC Press Reference Probe Firmly Into Mounting Hole and Attach to Reference Port Barb on Rear of APM Drilled Mounting Surface APEX PREMIER TM FUME HOOD MONITOR RATINGS Power Input 24VAC 50 60Hz 20 8VA or 15VDC 20 250mA 12 to 24 AWG stranded wire Relay Outputs Relay ...

Page 36: ...PS in 1 or 5FPM 0051 to 0 025 MPS increments DIGITAL INPUTS Referenced to digital common accepts closed contact 1000 ohm max ANALOG OUTPUT OPTIONAL 0 10Vdc output ref to common adjustable in 0 1Vdc increments proportional to 0 1000FPM 5 08MPS adjustable in 1FPM 005MPS increments displayed 300K ohm minimum load RELAY OUTPUTS Standard Two independent SPST relays Relay 1 fails to N O 0 5A at120VAC 1A...

Page 37: ...SCREEN 3B SCREEN SCREEN 5B SCREEN 2B SCREEN 5A SCREEN 4A SCREEN 6A SCREEN 3A SCREEN 4B CONFIGURATION MENU SELECT OPTION TO CONFIGURE HORN MUTE AND PURGE BUTTONS SCREEN 1B MUTE REBEEP DELAY 1000 ACCEPT RESET SEC CONFIGURATION MENU SELECT OPTION TO CONFIGURE SCREEN 1C DIGITAL INPUT 1 EXTERNAL ALARM INPUT OPEN NORMAL CLOSE ALARM CLOSE NORMAL OPEN ALARM DIGITAL INPUT 1 UNOCCUPIED INPUT OPEN OCCUPIED C...

Page 38: ...PEN CLOSE ON ALARM NORMALLY CLOSED OPEN ON ALARM SCREEN 7D SCREEN 21C D I 2 SELECT UNOCCUPIED LOW ALARM SETPOINT 60 ACCEPT DISABLE FPM SCREEN 22C D I 2 SELECT UNOCCUPIED LOW ALARM DELAY TIME 60 ACCEPT RESET SEC SCREEN 10C D I 1 SELECT UNOCCUPIED LOW ALARM DELAY TIME 60 ACCEPT RESET SEC SCREEN 11C D I 1 SELECT UNOCCUPIED LOW ALARM CAUTION BAND 60 ACCEPT RESET FPM SCREEN 12C D I 1 SELECT UNOCCUPIED ...

Page 39: ... TEMPERATURE NOT WITHIN CAL RANGE CONTINUE CANCEL CALIBRATION MENU SELECT OPTION Options displayed in this scrolling box SCREEN 1K 2 POINT CALIBRATION OPEN SASH TO THE FULL OPEN POSITION WITH THE STOPS DEFEATED PRESS TO ACKNOWLEDGE SCREEN 2K 2 POINT CALIBRATION PERFORM TRAVERSE ACROSS ENTIRE FACE AREA OF FUME HOOD PRESS TO ACKNOWLEDGE SCREEN 3K SCREEN 4K 2 POINT CALIBRATION SELECT LOW FACE VELOCIT...

Page 40: ... DESIRED LOW OUTPUT VOLTAGE LEVEL 0 0 ACCEPT RESET VDC SCREEN 2L ANALOG OUT SCALING VOLTAGE RANGE XX X TO XX XV XXX TO XXXX FPM COMPLETE VELOCITY RANGE SCREEN 4L SELECT DESIRED HIGH OUTPUT VOLTAGE LEVEL 10 0 ACCEPT RESET VDC CONFIGURATION MENU SELECT OPTION TO CONFIGURE CONTRAST ADJUST SCREEN 1M 1 POINT CALIBRATION OPEN SASH TO WORKING HEIGHT POSITION WITH SASH STOPS PRESS TO ACKNOWLEDGE SCREEN 11...

Page 41: ...D PRESS TO ACKNOWLEDGE SCREEN 2N 3 POINT CALIBRATION SET SASH TO MID OPEN POSITION PRESS TO ACKNOWLEDGE SCREEN 4N SCREEN 6N 3 POINT CALIBRATION SELECT MID FACE VELOCITY 113 ACCEPT RESET FPM 3 POINT CALIBRATION PERFORM TRAVERSE ACROSS MID OPEN POSITION PRESS TO ACKNOWLEDGE SCREEN 5N 3 POINT CALIBRATION SET SASH TO MINIMUM POSITION PRESS TO ACKNOWLEDGE SCREEN 7N 3 POINT CALIBRATION PERFORM TRAVERSE ...

Page 42: ...rge Button Pressed Purge Button Pressed Numeric Display FACE VELOCITY HIGH WARNING FUME HOOD IS IN PURGE MODE FACE VELOCITY XXXFPM WARNING FUME HOOD IS IN PURGE MODE Graphic Display Alpha Display WARNING HIGH FACE VELOCITY DETECTED XXX FPM Numeric Display WARNING HIGH FACE VELOCITY DETECTED WARNING HIGH FACE VELOCITY DETECTED XXX FPM Graphic Display Alpha Display High F V Alarm Condition Occurs Hi...

Page 43: ...ntical if 2 or more alerts occur at the same time the monitor will toggle between screens and display each screen for 10 seconds UNOCCUPIED MODE FACE VELOCITY XXX FPM UNOCCUPIED MODE FACE VELOCITY NORMAL UNOCCUPIED MODE 100 F P M 50 Alpha Display Graphic Display Occupied mode Return to Default Display Screen Numeric Display Graphic Display Alpha Display FV Decreases to set point Return to Default ...

Page 44: ... 2017 Page 44 of 61 APPENDIX H Available External Alarm Messages ALARM SYSTEM ALARM EXTERNAL ALARM LOW FLOW ALARM HIGH FLOW ALARM LOWER SASH PLEASE CLOSE SASH FIRE ALARM BUILDING ALARM FLOOR ALARM ROOM ALARM EVACUATE BUILDING UNSAFE CONDITION AC POWER LOSS BATTERY POWER ...

Page 45: ...l Time Real Time or 1 hour or 1 day or 1 week Mute Button Enabled Disabled or Enabled Horn Enabled Disabled or Enabled Units Imperial Imperial or Metric Digital Input 1 Disabled Disabled or Enabled Digital Input 1 Configuration Disabled External Alarm or Occ Unocc mode Digital Input 1 state Disabled Closed Normal or Open Normal Digital Input 1 Occupied Unoccupied state Disabled Open Occupied or Cl...

Page 46: ...3MAN00015 Rev J ECN JUL 2017 Page 46 of 61 Analog Output Low Voltage Level 0 0 0 0 to 10 0V Analog Output High Voltage Level 10 0V 0 0 to 10 0V Analog Output Low Velocity Range 0 0 to 1000 FPM Analog Output High Velocity Range 1000FPM 0 to 1000 FPM ...

Page 47: ...G face velocity above range message on APM Too much air flow through the APM for accurate readings Make sure the reference probe and or hood probe are not being influenced by fans or stray air movements Verify the hood air flow is adequate for the hood requirements the hood may not be under stable pressure and or velocity control Analog Output voltage does not reach the full 10Vdc potential Load r...

Page 48: ...onitor into the lab space The filler panels are designed to be stackable and will automatically center themselves when stacked They are made from the same ABS plastic as the front bezel to allow for a clean and neat appearance Option 1 Accutrol Part T APM EXTENDER1 This option kit contains one 1 filler panel and two 2 8 sheet metal screws and will offset the monitor 11 8 28 6mm above the mounting ...

Page 49: ...Additional Mounting Options Option 1 Accutrol Part T APM EXTENDER1 The exploded view in figure K 3 shows how the filler panel attaches to the mounting surface and also how the APM mounts to the filler panel Figure K 3 Filler Panel Mounting Surface 8 Sheet Metal Mounting Screws Monitor Mounting Screws ...

Page 50: ...en using a single extender filler panel Note this template is provided with the extender kit Simply attach this template to the correct location on the fume hood and cut out the first dashed line as shown and drill two 1 8 3mm Ø holes in position B as shown The outer solid line around the template represents the outer dimension of the front bezel No holes are required in position A FIGURE K 4 FULL...

Page 51: ...2 This option kit contains two 2 filler panel and two 2 8 sheet metal screws and will offset the monitor 2 11 32 59 5mm above the mounting surface when installed as shown in figure K 5 below Figure K 5 Figure K 6 shows the mounting depth dimensions of the monitor using dual filler panels Figure K 6 Mounting depth with 2 filler panels Filler Panels Mounting Surface ...

Page 52: ...Additional Mounting Options Option 2 Accutrol Part T APM EXTENDER2 The exploded view in figure K 7 shows how the filler panels attach to the mounting surface and also how the APM mounts to the filler panels Figure K 7 Filler Panels Mounting Surface 8 Sheet Metal Mounting Screws Monitor Mounting Screws ...

Page 53: ...rt T APM EXTENDER2 The 1 1 scale template in figure K 8 can be used to locate the proper mounting holes when using dual extender filler panels Simply attach this template to the correct location on the fume hood drill the required holes and cut out the center area as shown FIGURE K 8 FULL SIZE MOUNTING HOLE TEMPLATE FOR USE WITH DUAL FILLER PANELS ...

Page 54: ...kit contains three 3 filler panels two 2 8 sheet metal screws two 2 6 sheet metal screws and will offset the monitor 3 17 32 89 9mm above the mounting surface when installed as shown in figure K 9 below Figure K 9 Figure K 10 shows the mounting depth dimensions of the monitor using three filler panels Figure K 10 Mounting depth with 3 filler panels Filler Panels Mounting Surface ...

Page 55: ...dditional Mounting Options Option 3 Accutrol Part T APM EXTENDER3 The exploded view in figure K 11 shows how the filler panels attach to the mounting surface and also how the APM mounts to the filler panels Figure K 11 Mounting Surface 8 Sheet Metal Mounting Screws Monitor Mounting Screws Filler Panels ...

Page 56: ...ing three extender filler panels Note this template is provided with the extender kit Simply attach this template to the correct location on the fume hood and cut out the inner small dashed line as shown and drill two 1 8 3mm Ø holes in position B as shown The outer solid line around the template represents the outer dimension of the front bezel No holes are required in position A FIGURE K 12 FULL...

Page 57: ...N00015 Rev J ECN JUL 2017 Page 57 of 61 APPENDIX L Document Revision History Revision History ECN New Rev New File Name H T APM MANUAL January 2016 TOC Front Cover page Updated company physical address Back Cover page Updated company physical address ...

Page 58: ...3 Caution Band 23 Change Password 27 Choosing a suitable location 9 components 8 Configuration 19 20 21 22 23 24 25 26 27 28 Constant Air Volume Fume Hoods 14 contrast 25 Digital Input 22 Display 34 Enclosure 34 external alarm message 22 Graphic Display Mode 20 Horn 21 Maintenance 29 Mute 21 Night setback 22 Numeric Mode 21 Password protection 12 Purge 21 24 Re beep 21 restore 28 Restore Factory D...

Page 59: ...T APM Apex Premier FUME HOOD MONITOR T APM 0133MAN00015 Rev J ECN JUL 2017 Page 59 of 61 ...

Page 60: ...T APM Apex Premier FUME HOOD MONITOR T APM 0133MAN00015 Rev J ECN JUL 2017 Page 60 of 61 ...

Page 61: ...Proudly made in the USA 21 Commerce Dr Danbury CT 06810 Tel 203 445 9991 www accutrolllc com ...

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