Tokyo Ryuki Kogyo LF Series Ultrasonic Flow Meter

Extremely wide flow rate measurement range Zero pressure loss.

Description

Clamp-on type that can be easily attached to existing pipes for flow control of liquids such as industrial water, clean water, seawater, pure water, agricultural water, oil, etc. Extremely wide flow rate measurement range Zero pressure loss.

Brand

Ryuki Kogyo

Tokyo Ryuki Kogyo

Tokyo Ryuki Co., Ltd., a manufacturer of industrial flow meters and fluid-related equipment. For many years, we manufacture and sell products such as differential pressure type flow meter, area type flow meter, flow switch, metal tube type flow meter, galvanometer, level meter, and measuring pot.

Features

  • Clamp-on type that can be easily attached to existing pipes for flow control
  • Extremely wide flow rate measurement range Zero pressure loss.

Applications

  • Industrial water
  • Clean water
  • Seawater
  • Pure water
  • Agricultural water
  • Oil
  • etc.

Specifications

measurement
Fluid conditions Measuring fluid Water, seawater, oil, and other liquids through which ultrasonic waves pass
Turbidity 10000ppm or less
temperature -20-60 ℃
situation The inside of the pipe is filled with liquid. There
is no drift or swirling flow. There is no
continuous air bubbles or dust.
Piping conditions Nominal diameter 50mm-6000mm
Material Steel, stainless steel, cast iron, vinyl chloride, FRP, etc.
Lining Tar evoxi, mortar, etc.
Required straight pipe length Upstream side 10D, downstream side 5D or more (D: pipe inner diameter)
converter
Measurement method Ultrasonic propagation time difference calculation method
display LCD (240 x 128 dots, with backlight)
Display content Instantaneous flow rate, instantaneous flow velocity, integrated flow rate (forward / reverse), etc.
self-diagnosis Detects upper and lower limit alarms, wave reception abnormalities, power supply abnormalities, memory abnormalities, and range over
Number of survey lines 1 survey line, 2 survey lines, 4 survey lines (optional)
Measurement accuracy ± 1% RD (range from 0.8m / s to 30m / s)
± 0.8cm / s (range from 0m / s to 0.8m / s)
Dumping 0-120 seconds (1 second step)
Flow range range of measurement 0 to ± 30 m / s in terms of flow velocity
Flow unit Select from m3, L, ton, kg
Time unit Select from h, min, sec
Number of ranges Up to 2 ranges each for forward and backward flow
Range switching Select from automatic and remote
Current output Number of output points 2 points
Output signal DC4-20mA
Load resistance 1 kΩ or less
Contact output Number of output points 6 points
Output signal Open collector no voltage
Contact rating DC30V, 0.25A
Output contents Forward flow, backflow integrated pulse, self-diagnosis
Integrated output pulse width Arbitrary setting from 1 to 200 msec
Accumulation unit Select from m3, L, ton, kg
Cumulative multiplier Optional selection from 0.01 to 1000
Digital output Communication method RS232C, RS422
Output contents Instantaneous flow rate, integrated flow rate, etc.
Output interval Select from 0.1 seconds, 0.5 seconds, 1 second
transfer speed 192000bps
Ambient temperature -10-60 ℃
Humidity 90% RH or less
Lightning protection element Built-in in each input / output line of power supply and signal
Power supply AC100V, 115V, 220V ± 10% 50 / 60Hz
power consumption 15VA or less
structure Immersion-proof type (equivalent to IP67)
Material Aluminum alloy casting (AC4C)
weight About 8.5kg
Installation conditions No direct sunlight, no
high-temperature range heat, no
corrosive gas or explosive gas
Detector
Model LFT-10 For large diameter (300 mm or more)
LFT-20 For small diameter (less than 300 mm)
Mounting method V or Z
cable 5m (5C-2T equivalent coaxial cable)
Material SCS13, acrylic
Ambient temperature -20-80 ℃
structure Immersion-proof type (equivalent to IP67)