Yamatake Corporation Safety
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter 5
CSA Explosionproof / Dust-ignitionproof Apparatus (in accordance
with CEC)
CAUTION
• Install the apparatus only in any hazardous (classified) locations for which the
apparatus has been approved.
• Seal each conduit entering the apparatus enclosure within 500 mm of the enclo-
sure according to the test report.
• Do not open the apparatus enclosure when an explosive atmosphere is present.
1. Class I, Division 1 locations
1.1 (a) Threaded rigid metal conduit or (b) cables approved for hazardous loca-
tions with associated cable glands approved for the particular hazardous
locations, can be used.
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
gases, vapours or flames.
1.3.1 The seal is located in each run of conduit entering the apparatus enclosure
as close as practicable to and in no case more than 500 mm from the enclo-
sure.
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
trade size of the conduit and in no case, less than 5/8 inch (16 mm).
• Splices and taps are not made in the fittings.
0.5 m max.
Sealing Compound
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