Introduction UMSITRPDS3-1
November 2005
1-8
An enclosure ground connection is located on the housing beneath the field terminal enclosure cap. The
enclosure should always be grounded by a wire connected from this terminal to an earth ground, even
when a ground may be provided by metal conduit protecting the loop wiring.
+
+
MG00364b
1
2
3
MG00364b
-4-20mA+
_
+
1
2
3
44
1
2
3
Digital display, optional
Magnetic pushbutton access cover
Enclosure cap
1
2
3
4
Field terminals for analog output
External digital milliammeter terminals
Enclosure ground
Electrical entrances; plug unused entrance
FIGURE 1-6 Display FIGURE 1-7 Field Terminals
Transmitters have an intrinsically safe, explosion proof, NEMA 4x (IP67/68), field mountable, hardened
enclosure. Electrical conduit connections are 1/2-14 NPT or M20 x 1.5. All process wetted materials are
316 stainless steel or better. The flush-mount process connection of the liquid level model is compatible
with standard ANSI and metric flange sizes for tanks and pipes.
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