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April 2019
6. Display glass shall be positioned in such a way as to minimize the risk
of mechanical impact.
I5 FM Intrinsic Safety (IS) and Nonincendive (NI)
Certificate FM17US0263X
Standards FM Class 3600 - 2011, FM Class 3610 - 2010, FM Class 3611 -
Markings
Special Conditions for Safe Use (X):
1. The maximum permitted ambient temperature of the Rosemount
4088 Pressure Transmitter is 70 °C. To avoid the effects of process
temperature and other thermal effects care shall be taken to ensure
the surrounding ambient and the ambient inside the transmitter
housing does not exceed 70 °C.
2. The enclosure may contain aluminum and is considered to present a
potential risk of ignition by impact or friction. Care must be taken
during installation and use to prevent impact or friction.
3. The Rosemount 4088 Transmitters fitted with transient protection
are not capable of withstanding the 500 V test. This must be taken
into account during installation.
Note
Transmitters marked with NI CL 1, DIV 2 can be installed in Division 2
locations using general Division 2 wiring methods or Nonincendive Field
Wiring (NIFW). See Drawing 04088-1206.
8.5
Canada
All CSA hazardous approved transmitters are dual seal certified per ANSI/ISA
12.27.01–2003.
E6 CSA Explosionproof, Dust-Ignitionproof, and Division 2
Certificate 2618446
Standards CSA C22.2 No. 0-10, CSA C22.2 No. 25-1966, CSA C22.2 No.
Quick Start Guide
2004, FM Class 3810 - 2005, ANSI/NEMA 250 - 1991, ANSI/ISA
60529 - 2004, ANSI/ISA 61010-1 - 2004
Intrinsic Safety Class I, Division 1, Groups C, D; Class II, Groups
E, F, G; Class III; Class I Zone 0 AEx ia IIB T4; Nonincendive Class
I, Division 2, Groups A, B, C, D; T4(–50 ≤ T
connected per Rosemount drawing 04088-1206; Type 4X
30-M1986, CSA C22.2 No. 94-M91, CSA C22.2 No. 142-
M1987, CSA C22.2 No. 213-M1987, CSA C22.2 No.
60079-0:2011, CSA C22.2 No. 60079-11:2011, ANSI/ISA
12.27.01-2003
Quick Start Guide
≤ 70 °C); when
a
29
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