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ATEX Instruction Manual
ETC01035
January 2004
MLT 2 / BINOS
®
100 F
Emerson Process Management Manufacturing GmbH & Co. OHG
1 - 5
Depending on which system is used, diffe-
rent parameters apply:
Application Mode of Operation
Single Enclosure
(volume approx. 56 l)
Dual Enclosure (volume
approx. 112 l)
Zone 1 Prepurge Phase
for measuring Duration: 10 min 14 min
flammable gases Purge gas consumption: 1,75 Nm³/h 1,92 Nm³/h
maximum overpressure: 95 mbar 95 mbar
Measuring Mode
Internal overpressure: 90mbar 90 mbar
Flow rate (leakage rate): <= 3 l/min <= 4,5 l/min
Zone 1 Prepurge Phase
for measuring Duration: 4 min 6 min
non-flammable gases Purge gas consumption: 6,8 Nm³/h 9,2 Nm³/h
maximum overpressure: 25 mbar 25 mbar
Measuring Mode
Internal overpressure: 14 mbar 14 mbar
Flow rate (leakage rate): <= 3 l/min <= 4,5 l/min
Application Mode of Operation
Single Enclosure
(volume approx. 56 l)
Dual Enclosure (volume
approx. 112 l)
Zone 2 Prepurge Phase
for measuring Duration: 5 min 17 min
non-flammable gases Purge gas consumption: 8 Nm³/h 7 Nm³/h
maximum overpressure: 25 mbar 25 mbar
Measuring Mode
Internal overpressure: 1 mbar 1 mbar
Flow rate (leakage rate): <= 22Nm³/h <= 22 Nm³/h
Minimum overpressure in all enclosures:
• 1 mbar against external atmosphere and
• 50 Pa against containment system when measuring flammable gases