Yamatake 900 Series User Manual page 7

Yamatake Corporation
CSA Explosionproof / Dust-ignitionproof Apparatus (in accordance
with CEC)
CAUTION
• Install the apparatus only in any hazardous (classified) locations for which the
• Seal each conduit entering the apparatus enclosure within 500 mm of the enclo-
• Do not open the apparatus enclosure when an explosive atmosphere is present.
Sealing Compound
1. Class I, Division 1 locations
1.1 (a) Threaded rigid metal conduit or (b) cables approved for hazardous loca-
1.2 Threaded joints must have at least five full threads fully engaged.
1.3 Seals must be provided in conduit or cable systems to prevent passage of
1.3.1 The seal is located in each run of conduit entering the apparatus enclosure
1.3.2 The seal can be made in a sealing fitting approved for the location.
• Sealing compound must be approved for the purpose.
• The melting point of the sealing compound should not be less than 93°C (200°F).
• The minimum thickness of the sealing compound should not be less than the
• Splices and taps are not made in the fittings.
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter
apparatus has been approved.
sure according to the test report.
tions with associated cable glands approved for the particular hazardous
locations, can be used.
gases, vapours or flames.
as close as practicable to and in no case more than 500 mm from the enclo-
sure.
trade size of the conduit and in no case, less than 5/8 inch (16 mm).
Safety
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