Ametek Drexelbrook DR7000 Series 추가 지침 매뉴얼 - 페이지 9
{카테고리_이름} Ametek Drexelbrook DR7000 Series에 대한 추가 지침 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Ametek Drexelbrook DR7000 Series 20 페이지. Radar level instrument for 2-wire control systems (liquids)
페이지 인쇄
INSTALLATION
2
Connection and operation of the purging connection are the responsibility of the user. The
operator is also responsible for selection of a suitable fluid to purge the device.
• If the screw is removed, make sure that the installation agrees with the Ex requirements for
the purging system.
2.2 Operating conditions
The allowable ambient temperature and corresponding flange temperature range for the device
depends on the Ex equipment category and temperature classes marked on the nameplate.
2.2.1 Ambient and flange temperature
The equipment protection level (EPL) and temperature class give the ambient temperature and
related flange temperature ranges for the device.
WARNING!
The gasket temperature must be in the approved limits. For more data, refer to "Pressure and
temperature ranges" in the Installation chapter of the handbook.
EPL Ga: Ex ia devices only - with the 4...20 mA output option
Temperature
class
T6
EPL Ga/Gb: Ex ia and Ex d[ia] devices - with the 4...20 mA output option
Temperature
class
T6
T5
T4
9
Ambient temperature
[°C]
-20...+57
Ambient temperature
[°C]
-40...+57
-40...+72
-40...+80
www.drexelbrook.com
[°F]
-4...+122
[°F]
-40...+134
-40...+161
-40...+176
DR7000 SERIES
Flange temperature
[°C]
-20...+60
Flange temperature
[°C]
-20...+60
-20...+60
-20...+60
DR7000-LM IECEX, EDO# 9-10-104, Issue# 1
[°F]
-4...+140
[°F]
-4...+140
-4...+140
-4...+140