background image

 

Model Number

 

686B0X

 

SMART VIBRATION SWITCH

 

Revision: B 

ECN #: 39883

 

 

 

[2]

  

 
 

Performance 

ENGLISH 

SI 

Alarm Threshold(± 10 %)

 

0.25 to 5 in/sec pk

 

4.5 to 90 mm/s rms

 

 

Frequency Range(± 3 dB)

 

420 to 60 kcpm

 

7 to 1000 Hz

 

 

Hysteresis(% < Alarm Threshold)

 

3; 6; or 10 %

 

3; 6; or 10 %

 

[1]

Residual Vibration Level(Reference)

 

Dependent or Independent

 

Dependent or Independent

 

[1]

Residual Vibration Level

(% Alarm Threshold)

 

1 to 40 %

 

1 to 40 %

 

[1]

MAVT(Sets Alarm Threshold to 2X actual vibration)

Enabled or Disabled

 

Enabled or Disabled

 

[1]

Transverse Sensitivity

 

<7 %

 

<7 %

 

 

Power On Delay(± 1 sec)

 

3 or 20 sec

 

3 or 20 sec

 

[1]

Startup Delay(± 1 sec or 1 min)(Time)

 

1 to 60 sec or 1 to 30 min

 

1 to 60 sec or 1 to 30 min

 

[1]

Startup Delay

(x Alarm Threshold)

 

x2; x4; x8; Blocked

 

x2; x4; x8; Blocked

 

[1]

Startup Delay

(Active)

 

Enabled or Disabled

 

Enabled or Disabled

 

[1]

Operational Delay(± 1 sec)

 

1 to 60 sec

 

1 to 60 sec

 

[1]

Relay(Type)

 

SPST, Form A or B 

MOSFET

 

SPST, Form A or B 

MOSFET

 

 

Relay

(Latching)

 

Latching / Non-Latching

 

Latching / Non-Latching

 

 

Relay

(Contacts)

 

Normally Open / Closed

 

Normally Open / Closed

 

 

Environmental 

Temperature Range(Operating)

 

-40 to 185 °F

 

-40 to 85 °C

 

 

Temperature Range

(Storage)

 

-40 to 257 °F

 

-40 to 125 °C

 

 

Overload Limit(Shock)

 

5000 g pk

 

49,050 m/s² pk

 

 

Enclosure Rating

 

IP68

 

IP68

 

 

Electrical 

Power Required

 

24 to 240 V DC/AC 50/60 Hz

 

24 to 240 V DC/AC 50/60 Hz

   

Current Rating(Relay Closed)

 

500 mA

 

500 mA

 

 

Leak Current(Relay Open)

 

 1 mA

 

 1 mA

 

 

Electrical Isolation(Case)

 

>10

8

 Ohm

 

>10

8

 Ohm

 

 

Physical 

Size (Hex x Height)

 

1.25 in x 2.6 in

 

1.25 in x 66 mm

 

 

Weight

 

5.2 oz

 

148 gm

 

 

Mounting Torque

 

3 to 5 ft-lb

 

4 to 7 Nm

 

 

Mounting Thread

 

1/4-28 Female

 

1/4-28 Female

 

 

Sensing Element(Internal)

 

Piezoelectric Accelerometer

 

Piezoelectric Accelerometer

   

Housing Material

 

Stainless Steel

 

Stainless Steel

 

 

Sealing

 

Welded Hermetic

 

Welded Hermetic

 

 

Electrical Connector

 

2-Pin MIL-C-5015

 

2-Pin MIL-C-5015

 

 

Electrical Connection Position

 

Top

 

Top

 

 

All specifications are at room temperature unless otherwise specified. 
In the interest of constant product improvement, we reserve the right to change specifications without 
notice.
 

 

OPTIONAL VERSIONS 

Optional versions have identical specifications and accessories as listed for the standard model 

except where noted below. More than one option may be used.

 

 

 
EX 

- Hazardous Area Approval- contact factory for specific approvals

 

Current Rating(Relay Closed)

100 mA

 

100 mA

 

Hazardous Area Approval

 

Cl I, Div 2, Groups A, B, C, D; 

Ex nL IICT3, AEx nA IICT3

 

Cl I, Div 2, Groups A, B, C, D; 

Ex nL IICT3, AEx nA IICT3

 

Power Required

 

10 to 30 VDC

 

10 to 30 VDC

 

Relay(Capacity)

 

10 to 30 VDC, 100 mA

 

10 to 30 VDC, 100 mA

 

 
M 

- Metric Mount

 

Supplied Accessory : Model M081A61 Mounting Stud 1/4-28 to M6 X 1 (1) 

 

 

NOTES:

[1] USB Programmable - See configuration sheet supplied with switch for exact setting.
[2] See PCB Declaration of Conformance PS023 or PS060 for details.

 

 

 

SUPPLIED ACCESSORIES:  

Model 081A41 Mounting stud 1/4-28 socket head set screw brass tip stainless steel 5/8" long 
(1) 

Entered: AP

 

Engineer: do

 

Sales: EGY

 

Approved: BAM

 

Spec Number:

 

Date: 9/4/2012

 

Date: 9/4/2012

 

Date: 9/4/2012

 

Date: 9/4/2012

 

40110 

 

3425 Walden Avenue, Depew, NY 14043

Phone: 800-959-4464 
Fax: 716-684-3823 
E-Mail: [email protected]

Summary of Contents for IMI SENSORS EX686B01

Page 1: ...ch Installation and Operating Manual For assistance with the operation of this product contact PCB Piezotronics Inc Toll free 800 959 4464 24 hour SensorLine 716 684 0001 Fax 716 684 3823 E mail imi pcb com Web www imi sensors com ...

Page 2: ...ity regimen When in doubt about a calibration cycle a good rule of thumb is to recalibrate on an annual basis It is also good practice to recalibrate after exposure to any severe temperature extreme shock load or other environmental influence or prior to any critical test PCB Piezotronics maintains an ISO 9001 certified metrology laboratory and offers calibration services which are accredited by A...

Page 3: ...urchase Order should include authorization to proceed and return at current pricing which can be obtained from a factory customer service representative Contact Information International customers should direct all inquiries to their local distributor or sales office A complete list of distributors and offices can be found at www pcb com Customers within the United States may contact their local s...

Page 4: ... O PCB板 X O O O O O 电气连接器 O O O O O O 压电晶体 X O O O O O 环氧 O O O O O O 铁氟龙 O O O O O O 电子 O O O O O O 厚膜基板 O O X O O O 电线 O O O O O O 电缆 X O O O O O 塑料 O O O O O O 焊接 X O O O O O 铜合金 黄铜 X O O O O O 本表格依据 SJ T 11364 的规定编制 O 表示该有害物质在该部件所有均质材料中的含量均在 GB T 26572 规定的限量要求以下 X 表示该有害物质至少在该部件的某一均质材料中的含量超出 GB T 26572 规定的限量要求 铅是欧洲RoHS指令2011 65 EU附件三和附件四目前由于允许的豁免 CHINA RoHS COMPLIANCE ...

Page 5: ...te O O X O O O Wires O O O O O O Cables X O O O O O Plastic O O O O O O Solder X O O O O O Copper Alloy Brass X O O O O O This table is prepared in accordance with the provisions of SJ T 11364 O Indicates that said hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement of GB T 26572 X Indicates that said hazardous substance contained in at le...

Page 6: ...RING 686 Series Smart Vibration Switch Operating Guide with Enclosed Warranty Information 3425 Walden Avenue Depew New York 14043 2495 Phone 716 684 0003 Fax 716 684 3823 Toll Free Line 1 800 959 4IMI MANUAL NUMBER 40112 MANUAL REVISION G ECO 49766 ECN NUMBER 47032 ...

Page 7: ...nical Relay Automatic Machinery Shutdown Using External Electromechanical Relay While Monitoring 2 Axes Switch and External Latching for Automatic Machinery Shutdown Both Alarm Siren and Automatic Machinery Shutdown Using Two Switches Automatic Machinery Shutdown Based on Normally Open Solid State Relay Automatic Machinery Shutdown of a Three Phase Electrical Motor Based on a N O Solid State Relay...

Page 8: ... be used to replace more expensive electronic vibration switches where separate vibration output is not required and to replace troublesome mechanical vibration switches Every Smart Switch is factory programmed See Page 28 for more information General Features Fully USB programmable from any PC with optional USB Programmer Kit Hermetically sealed stainless steel housing for use in corrosive enviro...

Page 9: ...he load s power circuit is completed to facilitate the desired alarm or shutdown Figure 1 Block Diagram Benefits of Solid State Relays A solid state relay is an electronic component that functions in the same way as an electromechanical relay but without any moving parts A solid state relay offers the most reliable switch action especially for vibration applications where moving relay components r...

Page 10: ...at the end of this Manual Direct Adhesive Mount Procedure For restrictions of space or for convenience most sensors with the exception of integral stud models can be adhesive mounted directly to the machine surface Step 1 Prepare a smooth flat mounting surface A minimum surface finish of 63 µin 0 0016 mm generally works best Step 2 Place a small portion of adhesive on the underside of the sensor F...

Page 11: ... machine surface consider using an adhesive mounting pad as a possible alternative Inspect the area checking that there are no burrs or other foreign particles interfering with the contact surface Step 2 Wipe clean the mounting surface and spread on a light film of grease oil or similar coupling fluid prior to installation Adding a coupling fluid improves vibration transmissibility by filling smal...

Page 12: ...best frequency response Contact the factory for recommended epoxies This method involves attaching a base to the machine surface then securing the sensor to the base This allows for easy removal of the accelerometer Step 1 Prepare a smooth flat mounting surface A minimum surface finish of 63 µin 0 0016 mm generally works best Step 2 Stud mount the sensor to the appropriate adhesive mounting base a...

Page 13: ...ser first weld epoxy or otherwise adhere a steel mounting pad to the test surface This provides a smooth and repeatable location for mounting Figure 6 Magnet Types Step 1 After choosing the correct magnet inspect the unit to verify that the mounting surfaces are flat and smooth Step 2 Stud mount the accelerometer to the appropriate magnet according to the guidelines set forth in Steps 2 and 3 of t...

Page 14: ...ation Attribute Omron Model Number MJN2C AC120 MJN2C AC240 MJN2C DC12 MJN2C DC24 MJN2C DC110 Contact Form 2 Form C DPDT Relay Rated Resistive Load 10 A 240 VAC 28 VDC Service Life Electrical Min Rated Loads 100 000 operations average Relay Max Resistive Switching Capacity 2400 VA 280 W 240 VAC 12 VDC 24 VDC 110 VDC Coil Nominal Voltage 120 VAC 1 2 W Coil Power Consumption 1 7 VA Coil Type Non Latc...

Page 15: ... of the vibration level during the specified delay time After this delay the vibration switch will be activated If the vibration level exceeds the alarm threshold for a time period greater than the specified operational delay time the relay will trip This action will close the contact to the pilot lamp Since the NL non latching option is specified the pilot lamp will illuminate only while alarm th...

Page 16: ... up delay option for the switches is enabled the Smart Switches will not trip during the specified startup delay time regardless of the vibration level After this delay the switch relays will be activated if the vibration level on both machines exceeds the alarm threshold for a period greater than the specified operation delay time This action will close the contact to the pilot lamp Since the NL ...

Page 17: ...art Switches will not trip during the specified startup delay time regardless of the vibration level After this delay the switch relay will be activated if the vibration level exceeds the alarm threshold for a period greater than the specified operational delay time This action will close the contact to the alarm siren and activate it Since the LA latching option is specified the alarm siren will ...

Page 18: ...lel and installed on the motor in horizontal and vertical directions Pushing the Start pushbutton closes the M contact and starts the motor If the start up delay option for the switches is enabled then during the specified startup delay time the switches will not trip regardless of the vibration level After this delay the alarm siren will be activated if either of the switches experiences a vibrat...

Page 19: ... the NL non latching option is specified the alarm siren will sound while alarm threshold on one or both switches is exceeded Should the vibration level for both switches drop below the alarm threshold value based also on the specified hysteresis the alarm siren will turn off ...

Page 20: ...the corresponding M contact and start the motor If the start up delay option for the switches is enabled then during the specified startup delay time the switches will not trip regardless of the vibration level After this delay the pilot lamp will be illuminated if any of the switches experience a vibration level over the alarm threshold value lasting greater than the specified operational delay t...

Page 21: ...nabled the Smart Switches will not trip during the specified startup delay time regardless of the vibration level After this delay the switch relay will be activated if the vibration level exceeds the alarm threshold for a period greater than the specified operational delay time This action will close the contact and send a voltage to the RL relay coil This will open the RL1 and close the RL2 cont...

Page 22: ...s the motor If the start up delay option for the switches is enabled the Smart Switches will not trip during the specified startup delay time regardless of the vibration level After this delay the switch relay will be activated if the vibration level of either switch exceeds the alarm threshold for a period greater than the specified operational delay time This action will close the contact and se...

Page 23: ...tion level After this delay the switch relay will be activated if the vibration level of either switch exceeds the alarm threshold for a period greater than the specified operational delay time This action will close the contacts and send a voltage to the RL relay coil This will open the RL2 contacts and shut down the motor Since the LA latching option is specified the RL1 contacts are used for ex...

Page 24: ...during the specified delay time After this delay if the vibration level exceeds the alarm threshold for the alarm switch it will be activated and apply a voltage to the alarm siren Since the NL non latching option is specified for this switch the alarm siren will be energized until the vibration level falls below the alarm threshold value based also on the specified hysteresis If the vibration lev...

Page 25: ...sed This will start the motor If the start up delay option is enabled the switch will not trip regardless of the vibration level during the specified delay time After this delay if the vibration level exceeds the alarm threshold it will be activated thereby opening its contacts and de energizing the solid state relay input This will open the RL contacts and shut down the motor Since the LA latchin...

Page 26: ...nd start the motor If the start up delay option for the switch is enabled the switch will not trip regardless of the vibration level during the specified delay time After this delay if the vibration level exceeds the alarm threshold it will be activated thereby opening its contacts and de energizing the solid state relay input This will open the RL1 RL2 RL3 contacts and shut down the motor Since t...

Page 27: ...er in order to install the drivers Once installed administrative rights are not required for use Figure 25 Model 600A29 USB Programmer Kit Program Installation Installing the Software and USB Driver Insert the software CD provided into the CD drive The software will start the installation automatically if your PC is set to auto install applications If not browse the CD and click on Setup exe to st...

Page 28: ...E 23 SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING Figure 27 National Instruments Software License Agreement Figure 28 Installation Verification Screen Figure 29 Installation Complete Screen ...

Page 29: ...taller will start automatically The initial USB installer will look similar to the one below Figure 30 WinUSB Driver Installation Screen The drivers will now be properly installed and you should get the following screen Click Finish The software is now ready to use Figure 31 WinUSB Driver Installation Complete Screen ...

Page 30: ...rams PCB EE225 Software menu item Initially the screen will appear as in Error Reference source not found with a yellow bar and status indicating Initializing followed by the message Connecting to USB Dongle Figure 32 Software While Connecting to USB Programmer Cable Once the connection is made the bar at the top of the screen will turn green and the status will indicate USB Connection Success Sel...

Page 31: ...he USB programmer cable Click OK to proceed Figure 35 Sensor Connection Screen While the software is establishing communication with the sensor the status will display Checking Status and the colored indicator box next to the status will alternate between red and yellow This will take approximately 15 seconds Once communication is established the indicator box will turn green and the software will...

Page 32: ...rs Reading Parameters To read the current sensor settings click the Read Parameters button This operation takes approximately 45 seconds to complete Transferring Actual Settings to Settings to Write Field Use the button to transfer all Actual Settings to the Settings to Write fields Writing Parameters Select the appropriate mode and enter any pertinent parameter information Click the Set Parameter...

Page 33: ...set State How the relay operates once actual vibration falls below the alarm threshold Latching Relay to latch or stay in the alarm state until manually reset regardless of the vibration level Non Latching Relay automatically resets once the vibration level falls below the alarm threshold hysteresis level Latching Non Latching Power On Delay Specified time period immediately after power is applied...

Page 34: ...2 3 4 X Parameter MAVT Enabled Custom Customer Specific Configuration Alarm Threshold 0 60 ips Hysteresis 6 Relay Contacts Normal State Normally Open Normally Closed Normally Open Normally Closed Relay Contacts Reset State Latching Latching Non Latching Non Latching Power On Delay 3 sec Operation Delay 6 sec Startup Delay Status Enabled Startup Delay Time Period 3 sec Startup Delay Startup Alarm T...

Page 35: ...l times during the procedure and will cause the machine to shut down and turn on several times This could cause damage to your machinery 1 Mount the Smart Switch on the machine that the switch will monitor Be sure that the machine is operating in a steady state condition If it is not operating turn the machine on and allow enough time for the vibration level to normalize before going to the next s...

Page 36: ...PAGE 31 SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING Factory Programmed Ordering Guide Figure 39 Ordering Guide ...

Page 37: ...rocess is complete See www pcb com for product details Figure 40 Battery Powered Signal Conditioner Calibration Cable The calibration cable Model 052BR010AC is a 10 foot twisted pair shielded cable with a 2 Pin MIL type connector terminating to a BNC plug for use with 480C02 power supply and Smart Switch Figure 41 Calibration Cable Magnet Clip The magnet clip Model 080A214 is supplied as part of t...

Page 38: ...PAGE 33 SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING Figures 42 and 43 Magnet Clip with and without Smart Switch ...

Page 39: ...d Twisted Pair 048 Armored Polyurethane Shielded Twisted Pair Switch Connector Type AE 2 socket MIL type with environmental boot BP 2 socket MIL type high temp with strain relief BR 2 socket MIL type molded composite BQ 2 socket MIL type molded composite right angle Cable Length 010 10 feet 020 20 feet 030 30 feet 040 40 feet 050 50 feet XXX Any length Cable termination BZ Blunt Cut Consult factor...

Page 40: ...discharge ESD can damage electrical devices Similar to a capacitor a cable can hold a charge caused by triboelectric transfer such as that which occurs in the following Laying on and moving across a rug Any movement through air The action of rolling out a cable and or Contact with a non grounded person The PCB solution for product safety Connect the cables only with the AC power off Temporarily sh...

Page 41: ...ngineer for a RETURN MATERIAL AUTHORIZATION RMA NUMBER Please have information available such as model and serial number Also to insure efficient service provide a written description of the symptoms and problems with the equipment to a local sales representative or distributor or contact IMI if none are located in your area Customers outside the U S should consult their local IMI distributor for ...

Page 42: ... 6 in 1 25 in x 66 mm Weight 5 2 oz 148 gm Mounting Torque 3 to 5 ft lb 4 to 7 Nm Mounting Thread 1 4 28 Female 1 4 28 Female Sensing Element Internal Piezoelectric Accelerometer Piezoelectric Accelerometer Housing Material Stainless Steel Stainless Steel Sealing Welded Hermetic Welded Hermetic Electrical Connector 2 Pin MIL C 5015 2 Pin MIL C 5015 Electrical Connection Position Top Top All specif...

Page 43: ... OF 1 FULL MODEL 686B 686C SERIES VIBRATION SWITCH DECIMALS XX 03 XXX 010 DECIMALS X 0 8 XX 0 25 KRM 7 11 17 JDM 7 11 17 BAM 7 11 17 40111 PCB Piezotronics Inc claims proprietary rights in the information disclosed hereon Neither it nor any reproduction thereof will be disclosed to others without the written consent of PCB Piezotronics Inc REVISIONS REV DESCRIPTION DIN B REVISED TITLE 46960 1 25 3...

Page 44: ......

Page 45: ...General Requirements EN60079 0 2012 General Explosive Atmosphere A 11 2013 EN 60079 11 2012 Intrinsic safe i EN 50581 2012 Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances Emissions Test EN 55011 2009 Industrial scientific and medical ISM radio frequency equipment Standards A1 201 0 Electromagnetic disturbance ...

Page 46: ...IOTRONICS DM IMI5EN5OR5 Signature Lo 0 Name Carrie Termin Title Regulatory Affairs and Product Certification Specialist ISO 9001 Certified PCB Piezotronics Inc Phone 716 684 0001 FAX 716 684 0987 PS060 REV J 07 20 2017 2 of 2 ...

Page 47: ...ante est assure par la conformité a EN 60079 0 2006 EN 60079 15 2005 10 Le signe X lorsqu il est place a la suite du numéro de lattestation indique que cet appareil est soumis aux conditions spOciales pour une utilisation sOre mentionnées dans lannexe de la prOsente attestation 11 Cette attestation dexamen de type concerne uniquement la conception les verifications et essais de I appareil de spéci...

Page 48: ...54 C a 85 C 1 complété avec Ic modéle L appareil dolt Ogalement comporter Ic marquage normalement prévu par les normes de construction qui Ic concerne PCB Piezotronics Address Type EX686Bxxxxxxx 1 Serial number Year of construction ll 3G ExnL llCT3 LCIE 10 ATEX 1008 X T amb 54 C to 85 C 1 completed with the model Models EX686B7xxxxxx and yyyyy PCB Piezotronics Address Type EX686137xxxxxx or EX686B...

Page 49: ... TYPE EXAMINATION CERTIFICATE LCIE 10 ATEX 1008 X 18 ESSENTIAL HEALTH AND SAFETY REQUIREMENTS Covered by standards listed at 9 19 ROUTINE VERIFICATIONS AND TESTS Each apparatus must be submitted to a dielectric strength test during 1 minute with a sine shaped voltage at 50 Hz of 1500 V r m s between the wires of the cable and the body of the apparatus 20 CONDITIONS OF CERTIFICATION Holders of type...

Page 50: ......

Page 51: ......

Page 52: ......

Page 53: ...42932 NR ...

Page 54: ...es LCIE n 93796 586962 de 30 0712010 RelatOrio de Auditoria e data Auditoria realizada em 14 04 2016 orIa ec Notas A validade deste Certificado de Conformidade está atrelada a realização das avaliaçöes de manutenção e tratamento de possIveis näo conformidades de acordo corn as orientaçöes do OCP previstas no RAC especIfico Para verificação da condição atualizada de regularidade deste Certificado d...

Page 55: ...mbly models EX686B7X EX686BXX OO X6 0 54943 2 1 Etching Drawing Models EX686B7X EX686BXX OO X6 0 54944 1 1 Approval Assembly Model EX686BXXXXXXX 0 54944 2 1 Etching Drawing Models EX686BXXXXXXX 0 44170 1 1 Approval Assembly Model EX686BXXXXXXX 0 10 06 2009 44170 2 1 Etching Drawing Models EX686BXXXXXXX 0 10 06 2009 44171 1 1 Approval Assembly models EX686B7X EX686B O XXXX6 0 10 06 2009 44171 2 1 E...

Page 56: ...dutos devem ostentar na sua superfIcie externa e em local visIvel a Marca de Conformidade e as caracterIsticas técnicas da mesma de acordo com as especificaçóes da ABNT NBR IEC 60079 0 ABNT NBR IEC 60079 1 I ABNT NBR IEC 60079 11 e Regulamento de Avaliaço da Conformidade anexo a Portaria no 179 do INMETRO publicada em 18 de Maio de 2010 Esta rnarcaço deve ser legIvel e durável levando se em conta ...

Page 57: ...aio LCIE no 93796 586962 de 30 07 2010 e de Ens Observaçaes Portaria tion Regulación Of cia Data de Emissão orgamiento Certificado ernitido corn base no Modelo corn Avaliação do Sistema de Gestão da Qualidade do Fabricante e Ensaios no Produto conforrne cláusula 6 1 do Regularnento de Avaliação da Conformidade anexo a Portaria no 179 do INMETRO publicada em 18 de Maio de 2010 INMETRO n 179 de 18 0...

Page 58: ...rranty Information C 54943 1 1 Approval Assembly models EX686B7X EX686BXXXXXX6 0 0 0 0 0 0 0 10 06 2009 10 06 2009 10 06 2009 54943 2 1 Etching Drawing Models EX686B7X EX686BXXXXXX6 54944 1 1 Approval Assembly Model EX686BXXXXXXX 54944 2 1 Etching Drawing Models EX686BXXXXXXX 44170 1 1 Approval Assembly Model EX686BXXXXXXX 44170 2 1 Etching Drawing Models EX686BXXXXXXX 44171 1 1 Approval Assembly ...

Page 59: ...otótipo ensaiado através de inspeçöes visuais e dirnensionais 3 Os produtos devern ostentar na sua superfIcie externa e em local visIvel a Marca de Conformidade e as caracterIsticas técnicas da mesma de acordo corn as especificaçöes da ABNT NBR IEC 60079 0 I ABNT NBR IEC 60079 1 I ABNT NBR IEC 60079 11 e Regularnento de Avaliaçâo da Conformidade anexo a Portaria no 179 do INMETRO publicada em 18 d...

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