FT430/440/450 INSTRUCTIONS
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TABLE OF CONTENTS
GENERAL INFORMATION
The
FT430/440/450
flow computers are microcontroller-
based indicator/transmitters that interface with pulse
output flow sensors to compute and display flow rate, flow
total, and also generate output signals representing flow.
The FT430 and FT450 have one scaled pulse output and
one pulse pass through. The FT440 has two scaled pulse
outputs.
The FT450 is battery powered while the FT430 may be
powered by an external DC power source or an optional
internal AC power supply*. The FT440 is a “two-wire” or
“loop powered” device, meaning that it is powered by the
4-20 mA loop circuit itself. An optional internal AC power
supply* is available for the FT440 with dual 24 and 12VDC
outputs to power both the loop and sensors requiring
more power than the loop can supply.
Pulse and 4-20mA analog outputs can be used to signal
external devices, e.g. certain metering pumps and water
treatment controls. Alternatively, one or more pulse
outputs can be configured as alarm outputs. These flow
computers can be password protected to prevent resetting
the total or changing configuration settings.
The FT430/440/450 indicators are available in wall and
meter mount configurations. The FT430 and FT440 models
can also be panel mounted.
Order the FT440 only if a 4-20mA output signal is a
requirement and the FT450 if internal battery power is
needed. Otherwise the FT430 can be ordered.
*Internal power supply is available for the wall mount option only.
Features
Lower Housing
Setup Keys**
Electronics Module
Wall-Mount Brackets
Strain Relief Cable Gland
Display
**Includes password protection for tamper prevention when needed
Protective Cover (Optional)
Data Logger (Optional)
Sensus Smart Output (Optional)
