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SPECIFICATIONS
:
Single-path system of a
(Model FLR) and a detector (Model FSS)
Homogenous liquid where the ultrasonic
signal can be transmitted
Bubble quantity: 0 to 12vol% (for pipe size
50A, water, velocity 1m/s)
Fluid turbidity: 10000mg/L max.
Type of
laminar
Flow velocity range:
0 to ±0.3 ... ±10m/s
Power supply:
100 to 240V AC +10%/-15%, 50/60Hz; or
20 to 30V DC
Signal cable (between detector and converter):
Coaxial cable (5m standard, 60m max.)
Heat resistance: 80°C
Installation environment:
Non-explosive area without direct sunlight,
corrosive gas and heat radiation.
Ambient temperature:
Flow transmitter: -20 to +50°C
Ambient humidity:
90%RH max.
Class D (100 Ω or less)
Grounding:
Arrester:
Providedas standard at power supply
Rated accuracy:
<Standard type>
Plastic pipe
Detector Type
Internal diameter Velocity: 2m/s or higher Velocity: Less than 2m/s
Φ25 to Φ50mm
FSSA
±2.5% of rating
Φ50 to Φ1200mm ±1.5% of rating
FSSA, C
Metal pipe
Detector Type
Internal diameter Velocity: 2m/s or higher Velocity: Less than 2m/s
Φ50 to Φ1200mm ±2% of rating
FSSA, C
<High accuracy type>
Plastic pipe and metal pipe
Detector
Internal diameter
Velocity: 2m/s or
Type
higher
Φ50 to Φ225mm
FSSA
±1.0% of rating
Φ200 to Φ1200mm
FSSC
±1.0% of rating
Response time: 0.5s (standard mode)
0.2s as selected (quic
Power consumption:
15VA max. (AC power supply)
6W max. (DC power supply)
INF-TN3FLR-E
7. APPENDIXES
7.1. Specifications
transmitter
Fully-developed turbulent or
in a
pipe
±0.05m/s
±0.03m/s
±0.04m/s
Velocity: Less than
2m/s
±0.02m/s
±0.02m/s
k response mode)
Analog signal:
4 to 20mA DC (1 point)
Load resistance: 600Ω max.
Digital output:
Forward total, reverse total, alarm,
acting range,
assignable arbitrarily
Transistor contact (isolated, open collector)
• Outputs: 2 points
• Normal: ON/OFF selectable
• Contact capacity: 30V DC, 50mA
• Output frequency: 1000P/s max. (pulse
width: 5, 10, 50, 100, 200, 500, 1000ms)
Serial communication (option):
RS-485 (MODBUS), isolated
Connectable quantity: 31 units
Baud rate: 9600, 19200, 38400bps
Parity: None/Odd/Even selectable
Stop bits: 1 or 2 bits selectable
Cable length: 1km max.
Data: Flow velocity,
total, reverse total, status, etc.
Display device: 2-color LED (Normal: green, Extraordi-
nary: red)
LCD with 2 lines of 16 characters and
back light
Indication language:
Japanese (Katakana)/English/French/
German/Spanish (changeable)
Instantaneous
rate indication (minus indication for
reverse
Numerals: 8 digits (decimal point is counted
as 1 digit)
Unit: Metric/Inch system selectable
Metric system
Velocity
m/s
Flow rate
L/s, L/min, L/h, L/d, kL/d,
ML/d, m
/s, m
/min, m
3
3
km
/d, Mm
/d, BBL/s,
3
3
BBL/min, BBL/h, BBL/d,
kBBL/d, MBBL/d
Note: The "gal" means USgal.
Total indication: Forward or reverse total value indica-
tion (negative indication for reverse
direction)
Numerals: 8 digits (decimal point is counted
as 1 digit)
Unit: Metric/Inch system selectable
Metric system
Total
mL, L, m
, km
, Mm
3
3
mBBL, BBL, KBBL
Fully
(ESC,
, , ENT)
switch, total switch
rate, forward
velocity, instantaneous
Inch system
ft/s
gal/s, gal/min, gal/h, gal/d,
/d,
kgal/d, Mgal/d, ft
/s, ft
/
3
3
3
min, ft
/d, Kft
/d, Mft
/d,
3
3
3
BBL/s, BBL/min, BBL/h,
BBL/d, kBBL/d, MBBL/d
Inch system
,
gal, kgal, ft
, kft
, Mft
,
3
3
3
3
mBBL, BBL, kBBL, ACRE-ft
from the 4-key pad
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