Sierra 640S-EEX Instruction Manual Download Page 15

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Sierra Instruction Manual ATEX Certified Units: 640S-EEX & 780S-EEX

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1. These glands are certified with one specific size of flameproof sealing ring per

gland size as supplied.

2. These glands must not be used with enclosures where the temperature at the

point of mounting exceeds -20°C to +85°C using neoprene seals, or

–60° to

+180°C using silicone seals.

Summary of Contents for 640S-EEX

Page 1: ...Appendix for ATEX Certified EX Units Instruction Manual Sierra Instruments Model 640S EEX and 780S EEX Flow Transmitters Part Number IM ATEX Rev C 1 October 2013...

Page 2: ...nsible for cleaning the mass flow meter to the degree required for your oxygen flow application COPYRIGHT SIERRA INSTRUMENTS 2013 No part of this publication may be copied or distributed transmitted t...

Page 3: ...he ATEX Approved Equipment 6 4 2 Mounting Commissioning and Operation 6 4 3 Explosive Hazardous Area 6 4 4 Special Conditions for a Safe Use 7 4 5 Particular Recommendations Closing the Cover 7 5 Remo...

Page 4: ...pril 1994 KEMA ATEX official label from Sierra Instruments Inc The following information is provided as part of the labeling of the transmitter Name and address of the manufacturer Sierra Instruments...

Page 5: ...ea in which an explosive gas atmosphere is likely to occur in normal operation occasionally Zone 2 Area in which an explosive gas atmosphere is not likely to occur in normal operation and if it does o...

Page 6: ...ed changes may arise For this reason the instrument must be installed connected operated and maintained according to the instructions in this and the specific product operating manual Persons handling...

Page 7: ...SME B1 20 1 NOTE Please insure that when you mount these cable glands they are made up wrench tight At least 31 2 turns of the thread must be engaged inside of the electronics enclosure 4 4 Special Co...

Page 8: ...ew in the edge of the dome Unscrew the set screw and screw the dome from the housing Record the color of the wires to terminals 16 thru 20 Disconnect the sensor wires See diagram below Fig 2 Wiring di...

Page 9: ...e external earthing connection is located on the boss on the outside of the housing and consist of an 316SS screw 10 24 UNC 2B tread seal spring washer and cable shoe crimp lug suited for maximum 3 mm...

Page 10: ...r Service at www sierrainstruments com or 831 373 0200 in the USA or 31 0 72 5071400 in Europe Return shipments to USA Headquarters Sierra Instruments Inc Attn Customer Service Department 5 Harris Cou...

Page 11: ...nds are for indoor use and offer IP54 environmental protection A termination suitable for EMC protection can be made using armoured cables with these glands Clamp options allow woven steel wire and st...

Page 12: ...on For lead sheathed cable the lead sheath must pass through the Continuity Washer when installation is complete B Expose armour approx 20mm long 5 Slide Cone onto inner sheath and under armour Slide...

Page 13: ...or taper threads use thread sealant Also see page 1 diagram and Hole Data above 5 The surface of the enclosure should be sufficiently flat and rigid to make both the IP joint and earth contact where n...

Page 14: ...tection code nn year of manufacture Protection Concept and Gas Groups EEx d IIC EEx e II CENELEC ATEX Ex d IIC Ex e II IEC Ex d Flameproof IIC suitable for Gas Group IIC e g hydrogen ignitable gas air...

Page 15: ...1 These glands are certified with one specific size of flameproof sealing ring per gland size as supplied 2 These glands must not be used with enclosures where the temperature at the point of mounting...