Fuji Electric Time Delta S Data sheet

Time Delta S

Fixed Transit-Time Flow Meter System

Ultrasonic Flow Meters Fuji Time Delta S

The Time Delta S is a xed ultrasonic ow meter based on the transit-time measurement
method for measuring ow rates of relatively clean homogeneous liquids utilizing clamp-

Key Features

• Dynamic ow correction

• Simple conguration

• Digital outputs

• Enhanced anti-bubble measurement

technology (ABM)

• Rugged and reliable

• Maintenance free

Information subject to change without notice. Prices in USD.

on sensors. Thanks to microprocessor-based electronics, the ow meter can be easily
congured from the front keyboard to particular applications. The Time Delta S is ideally
suited for liquid ow measurement for pipe diameters from 0.50 to 235 inches. Systems are
composed of a converter and sensor set. Applications include ow measurement of any
uid through which an ultrasonic signal may be transmitted, including those of unknown
sound velocities. The ow meter is a compact and lightweight instrument incorporating
the latest electronics and high speed digital signal processing technologies (32 bit MPU),

resulting in high performance and easy operation.

Features

• Dynamic flow correction – system

develops characteristic proles to correct
for optimal ow rates across the velocity

range

• Simple configuration – complete setup

from front keyboard and menu driven

software interface

• Digital outputs – 2 outputs may be

congured for totalizer pulse, ow switch,
range limiting, overow, memory alarm,

and abnormal signal condition

• Enhanced anti-bubble measurement

technology (ABM) – removes the effect of

entrapped and suspended ow bubbles

• Rugged and reliable – NEMA-6 (IP67)

enclosure makes Time Delta S well suited

to most industrial environments

• Maintenance free – no moving parts

provides long-term reliable operation

• High accuracy – ±0.5% to ±1.0% of

velocity typical on calibrated system

Performance Specications
for the Converter

Fluid Conditions

Measured fluid

(water, sea water, hydrocarbons or uid
of unknown sound velocity) capable of
ultrasonic wave propagation

Fluid turbidity 10000 deg. (mg/l) or less

State of flow Axis-symmetric ow in pipe

totally lled with uid

Fluid temperature Standard Temperature

Sensor: -40 to 212°F (-40 to 100°C).
High-Temperature Sensor: -40 to 390°F
(-40 to 200°C)

Velocity range 0.06 to 105 ft/sec (0.018 to

32 m/sec) bi-directional ow

Piping Conditions

Pipe material

cast iron, copper, pvc, aluminum, ductile
iron, asbestos, frp, peek, pvdf, acrylic and
other. If other is selected, pipe materials

Homogeneous liquids

Carbon steel, stainless steel,

with a sonic velocity range of 3280 to

12136 ft/sec (1000 to 3700 m/sec) can
be selected via the keypad (sonic velocity
information for several pipe materials is
included in the Operator Manual)

Pipe size  Small pipe range detector: 0.50

to 4.0 in (13 to 100mm), 2 to 16 in (50 to

400mm). Universal pipe range detector: 8
to 48 in (200 to 1200mm). Large pipe range
detector: 8 to 235 in (200 to 6000mm)

Lining material Tar, epoxy, mortar, rubber,

Teon, Pyrex glass, other, or none. If other
is selected, liner materials with a sonic

velocity range of 3280 to 12136 ft/sec
(1000 to 3700 m/sec) can be selected via
the keypad. (Sonic velocity information for
several liner materials is included in the
Operator Manual.)

Fluid type Water, sea water or other. If other

is selected, a sonic velocity range of 1640

to 8200 ft/sec (500 to 2500 m/sec) can be
selected via the keypad. (Sonic velocity

information for several uids is included in

the Operator Manual.)

Measurement Accuracy

Accuracy

Linearity 0.1% of scale
Repeatability 0.5% or better

±0.5% of velocity for velocities
>1.0 ft/sec. typical on calibrated system;
±1.5% to ±2.0% of velocity for velocities
<1.0 ft/sec. typical on calibrated system.

(Calibrated system conditions include a
minimum of 10 inner pipe diameters of
upstream straight pipe run and a minimum
of 5 inner pipe diameters of downstream
pipe run. Longer runs may be necessary
due to pipe configurations.)

Physical Specications
for the Converter

Ambient temperature -10 to 140°F (-23.0

to 60.0°C)

Ambient humidity less than 90% RH

Enclosure Copper aluminum alloy, coated

with epoxy paint (blue/gray color)

082106

Environmental rating NEMA-6 (IP67)
Dimensions 8.65H x 9.05W x 3.75D in.

(220 x 230 x 95 mm)

Weight 9.9 lbs. (4.5kg)

Functional Specications
for the Converter

Power supply 100 to 240V AC ±10%, 50/60

Hz. Optional 20 to 30V DC

Power consumption Approx. 20 VA
LCD display 2 line, 16 character per line,

4.0W x 1.0H in. (102 x 25mm), high
resolution Back-Lit LCD

Keypad 20 keys, tactile feedback
Power failure backup System data stored

in non-volatile memory

Response time 0.5 sec. or less
Analog output signal 4 to 20mA DC

(isolated), max. load resistance 1K Output
can be congured to hold last value, force
high, force low or force zero during fault
condition, keypad selectable

Transmit output voltage X1, X2, X4 and X8

transmit voltage, keypad selectable

Alarm output signals Two open-collector

digital transistor outputs (max., 30V DC,
200mA)

Analog output check Analog output values

of -20% to +120% can be forced onto
the analog loop via keypad for testing
purposes

Alarm output function Open collector

digital alarm outputs independently

congurable from keypad for the following.

Not Used: No output. Signal Error: ON
at abnormal measurement. Flow SW
high: ON when ow rate exceeds high
limit. Flow SW low: ON when ow rate
falls below low limit. F: Total alarm: ON
when ow total exceeds forward integral
switch. R: Total alarm: ON when ow total
exceeds reverse integral switch. F: Total
overow: ON when forward integral value
overows. R: Total overow: ON when
reverse integral value overows. R: Flow
direction: ON when reverse ow direction
is detected. F: Total Pulse: Forward ow
integral pulse. R: Total Pulse: Reverse ow

integral pulse (Note: maximum totalizer

pulse = 5 pulses/sec. Minimum totalizer
pulse = 1 pulse/day. Totalizer pulse width
50 msec or 100 msec, keypad selectable)

Communications Option RS-232 port

standard

Display language English or Japanese

(Katakana)

Measurement Display Screen

System units English or Metric, keypad

selectable

LCD display Congurable from keypad to

display ow rate and one of the following:
forward totalizer value, reverse totalizer
value, totalizer difference value, forward
totalizer pulse count, reverse totalizer
pulse count, ow velocity (ft/sec or m/sec)
and output range %

Display Display of forward or reverse

totalized ow, keypad selectable—
maximum 9 digits, with rollover cycle

counter

Totalizer English System Units: gal, Kgal,

ft3, Kft3, Mft3, Mbbl, Kbbl, acre-ft (gal =
U.S. gallons). Metric System Units: ml, l,
m3, Km3, Mm3, Mbbl, bbl, Kbbl

Ultrasonic Flow Meters Fuji Time Delta S

We attempt to provide you with complete information in this catalog. Because of the specific nature
of ultrasonic technology, we strongly recommend you contact us regarding application and availability
before placing your order.

Ordering Information

Included in standard delivery: converter, manual

FLVS12 Time Delta S xed transit-time ow meter converter, AC power input $ 2,650
FLVS42 Time Delta S xed transit-time ow meter converter, DC power input 3,250

Accessories

Each detector kit includes: Detector unit, 16 ft. signal cable, mounting straps, 3.5 oz tube of sonic coupling compound

Description Pipe diameter range Temperature range

FLD22 Small diameter sensor (2 MHz) 0.50 to 4.0 in -40 to 212°F $ 1,150
FLW12 Small diameter sensor (2 MHz) 2.0 to 16.0 in -40 to 212°F 1,150
FLW41 Universal sensor (1 MHz) 8.0 to 48.0 in -40 to 212°F 950
FLW50 Large diameter sensor (0.5 MHz) 8.0 to 235.0 in -40 to 212°F 2,500

FLD32 High-temperature sensor (2 MHz) 2.0 to 16.0 in -40 to 390°F 3,500

TKUSTTNIST Calibration, NIST traceable (5 pt.) 450

TKUSTTPTG FS-200 Ultrasonic thickness gauge 1,200

TKUSTTSG Sonic coupling compound 15

TKUSTTSGN Sonic coupling compound, silicone-free 35

TKUSTTPCSR Pipe tape measure 30

TKUSTTPLSS Line isolator/conditioner 359.95

TKUSTTRG58 Signal cable, 50 ohm (16 ft min) 2.50/ft.

Information subject to change without notice. Prices in USD.

052208