Brooks Instrument MT3809E - Manual (Page 13)

1-7
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
1-4 Optional Accessories
Needle control valves, sight flow indicators and flow controllers (available
on the MT 3809 only) For flow rate control, needle control valves or flow
controllers may be externally piped into the inlet or outlet side of the
instrument. Needle control valves and flow controllers can be supplied up
to size 10 (1”) maximum 6.6 gpm (1,500 l/hr) water equivalent. Sight flow
indicators are available for all flanged meters and up to size 13 (2”) NPT
meters.
1-6 Microprocessor Transmitter With or Without Alarms and Pulse Output
Based on Brooks Smart Meter Manager Technology
• A 2-wire, loop-powered device for ease of wiring and installation
• 4-20 mA analog output for flowrate, with Bell-202 modulated HART
communication channel
• User selectable 0% and 100% analog output ranges with optional
smoothing
• Flexible (mix & match) units of measure for flowrates, totals,
temperatures, densities, etc.
• Two flow totalizers: Resettable and inventory totalization
• User configurable, scaleable pulse output for various engineering units
• Comprehensive alarms for both process flow and internal diagnostic
checks
• Easily configured and compatible with other plant equipment
• Patented magnetic sensor which is resistant to external magnetic fields
B. Description
“Smart Inside” best defines the Brooks transmitter with optional alarms and
pulse output for totalization. The transmitter (with or without the alarms and
pulse output) is a compact microprocessor device designed to interface
directly with the Models MT 3809 and MT 3819 flowmeters. The
microprocessor electronics are based on the Brooks Smart Meter Manager
(SMM
TM ) technology common to other Brooks flowmeters.
The transmitter is HART-programmable for numerous variables such as
flow rate, totalization, calibration factors, and high-low alarm parameters. It
is programmable with easy-to-use hand held configurators such as the
Emerson
TM HART 275 Communicator. Prior to shipment, commonly used
default values are programmed by Brooks to ensure ease of operation and
quick startup. However, parameters may be reprogrammed by the user if
needed. The 2-wire electronics system is easy to install and interface with
other existing equipment such as process management systems or
maintenance control packages.
1-5 Optional Electronic Equipment
Electronic equipment available with the Models MT 3809 and MT 3819
include the Microprocessor Transmitter, Microprocessor Transmitter/Alarm/
Pulse Output for totalization, Inductive Alarms, and Transmitter with
Inductive Alarms, refer to pages 6 through 12 for additional information. All
models are designed to be either Intrinsically Safe (aluminum or stainless
steel housing) or Explosion Proof (aluminum housing only). All electronic
accessories options are available for high temperature applications. Refer
to Table 3 to determine the appropriate model for your application.