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Requirements and Conditions
Special Conditions for Safe Use
1.
The lower ambient temperature is limited to -10°C.
2.
The input parameters are shown for a single PM 620-IS Pressure Module connected to
a suitable intrinsically safe source. When two PM 620-IS Pressure Modules (each
having an equivalent capacitance of C
Transducer Carrier and connected to the DPI 620-IS Advanced Modular Calibrator, the
PM 620-IS Pressure Modules appear in parallel across the supply from the DPI 620-IS
of U
= 7.88V which has an equivalent capacitance of C
o
two transducers is acceptable at this lower voltage of 7.88V and has a factor of safety
of 1.5 for Group IIC.
3.
The outer enclosure of the PM 620-IS Pressure Modules may contain light metals in
the form of titanium. Therefore, the apparatus must be installed in such a manner as
to prevent the possibility of it being subjected to impacts or abrasion. If a PM 620-IS
Pressure Module is transported separately in a hazardous area the threaded pressure
connection must be provided with protection from mechanical impacts or friction.
IECEx Approvals
For the IECEx certificate (IECEx BAS 10.0004X), visit the IECEx website at:
www.iecex.com
Electrical Parameters
© 2016 Baker Hughes, a GE company – All rights reserved.
= 1.27μF) are fitted within a MC 620-IS Dual
i
PM 620-IS
U
= 12.3V
C
i
I
= 1.0A
i
P
= 0.75W
i
= 1.17μF, the combination of
i
= 1.27μF
i
L
= 0
i
DPI 620G-IS Safety and Quick Start Guide-English | v
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