2 34-ST-25-19 RMA 3000 Remote Meter Assemblies User Manual Release 1
6/04
That is, the explosion-proof housing may be located
- at the end of a wiring run for the transmitter loop, or
- between the transmitter and the receiver devices.
This manual includes several sets of Honeywell-certified engineering drawings that specify RMA 3000
configurations and conditions that are approved for use in hazardous environments by various approval
agencies (FM, CSA, and LCIE (CENELEC/ATEX). Each of these drawings shows a configuration similar
to that shown in Figure 1; that is, a single meter connected remote from a single transmitter.
In some selected cases (such as operation in non-hazardous locations), it is possible to connect more than
one meter to a given transmitter. In these cases, the additional meter(s) may be placed either at the end of a
wiring run, or at any location between the transmitter and other elements of the Remote Meter Assemblies
configuration.
The number of meters that may be incorporated depends on the circuit configuration and on electrical
characteristics of associated equipment. For more information regarding the use of multiple remote meters
with a single transmitter, refer to the descriptions under the heading Multiple Remote Meters.
Meter Types - Options
Remote Meter Assemblies provide for three types of meter. The features of each are highlighted in Figure
2, and are described briefly below.
Figure 2 Highlights of Meter Features
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