Emerson HAS8xE-IM-ATEX 사용자 설명서
MLT 2 / BINOS
100 F
Emerson Process Management Manufacturing GmbH & Co. OHG
2 - 6
ATEX Instruction Manual
HAS8xE-IM-ATEX
January 2004
2-4
Connection of Sample Gas and
Protective Gas (Purge Gas)
Protective Gas (Purge Gas)
When the analyzer with assembled EEx p
safety device has been fixed, connect the
gas lines according the diagram (fig. 2-3).
The following conditions must be observed
for trouble free operation:
•
safety device has been fixed, connect the
gas lines according the diagram (fig. 2-3).
The following conditions must be observed
for trouble free operation:
•
The operator must ensure the minimum
pressure of the protective gas at the
point of installation.
A pressure of 3,000 ... 4,000 hPa
(3...4 bar) must be applied to the
protective gas inlet of the EEx p safety
device.
pressure of the protective gas at the
point of installation.
A pressure of 3,000 ... 4,000 hPa
(3...4 bar) must be applied to the
protective gas inlet of the EEx p safety
device.
2-4 Connection of Sample Gas and Protective Gas (Purge Gas)
•
The EEx safety device is delivered with
fixed basic parameters. The minimum
purge gas pressure is preset to
14 mbar. Useful modifications such as
increasing the max. purge gas
pressure must only be done after
studying the appropriate sections of the
manual of the EEx p safety device.
fixed basic parameters. The minimum
purge gas pressure is preset to
14 mbar. Useful modifications such as
increasing the max. purge gas
pressure must only be done after
studying the appropriate sections of the
manual of the EEx p safety device.
•
Flammable sample gas must not be
supplied to the analyzer until the pre-
purging phase has ended.
supplied to the analyzer until the pre-
purging phase has ended.