Model mt 3810 – Brooks Instrument MT3810 User Manual

Page 18

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Model MT 3810

Installation and Operation Manual

X-VA-MT3810-eng

Part Number: 541B050AAG

December, 2008

Section 1 Introduction

1-12

Linearity
Less than 1% at I maximum

Temperature Influence
Less than 0.04% per °C

Voltage Influence
Less than 0.002%/Vdc

Load Resistance Influence
± 0.1% full scale

Transmitter, Alarm and Pulse Output Wiring Diagrams
Refer to Figures 1-2, 1-3, 1-4, 1-5 and 1-7

For Division 1 explosion proof installations, the optional explosion proof
enclosure must be used. This enclosure does not use the auxiliary terminal
box, as shown on some of the installation diagrams. All connections are made
directly within the housing. Cable entry device shall be certified as Flame-
proof type, suitable per the conditions of use and correctly installed. If used
with conduit, refer to Figure 1-7, a sealing device shall be provided in
accordance with Figure 1-7.

For Division 2 non-incendive installations, either the standard enclosure or
the explosion proof enclosure may be used.
For both Division 1 explosion proof and Division 2 non-incendive installations,
the barriers shown in the installation drawings are unnecessary. However,
NEC Class 2 circuits are required.

The circuits shall be wired separately or using a Multicore Cable Type B, in
accordance with EN 60079-14. Also wiring must be done in accordance with
the applicable electrical codes, ie., NEC Chapter 5, CEC Section 18 and any
local codes.

TRANSMITTER ACCESSORIES
General purpose and intrinsically safe HART compatible power supplies are
available in 110V, 24V and 220V.

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