UL6300 V2


แบรนด์ : TOKYO KEISO



  • The non-contact measurement system where the sensor is in-stalled on the exterior surface of the pipe completely eliminates the generation of particles and mixing of metal ions, making the method ideal for flow measurement of pure water and chemical liquids.
  • The highly efficient converter compatible with multiple sensors can measure two lines simultaneously. Precise flow measurement is ensured by calibrating uneven flow by measuring two lines in one stream.
  • The digital signal processing system enables stable and precise measurement of low-velocity flow. Measurement accuracy is ±1% of the indicated value (connection: 50 mm or more, velocity: 0.5 m/s or more).
  • he sensor part can be used for pipe sizes ranging from 15 mm to 4000 mm by three kinds of sensor (small/medium/large).
  • Mounting and maintenance are made easy by integrating the sensor rail, sensor, and cable. Also, weather resistance is improved by using stainless steel for the sensor rail as standard.
  • A connection box allows integration of the cable extension and cable connection.
  • A blue dot matrix LCD (with backlight) is used for the display (128 × 64 dots, 59 × 31 mm). Bar graph indication, multi-line indication, real-time trend indication, etc. are provided.
  • A quick setup function makes it easy to change the flow range, pulse rate, etc.
  • A new button switch for changing the settings improves operability along with the infrared sensor of the existing model.


Short Specifications

Measurement methodUltrasonic time flight system
Sensor mountingClamp on pipe
Measuring fluidThe liquids which ultrasonic waves
Fluid temperature–40 to +120°C at surface of pipes on which sensors are installed.
Measurable pipe diameter
Small sensor: 
15 mm/ 1/2" to 100 mm/ 4"
Medium sensor: 
50 mm/ 2" to 400 mm/ 16"
Large sensor: 
200 mm/ 8" to 4000 mm/ 160"
Velocity rangeMax. 0 to 20 m/s
Min. 0 to 0.5 m/s
Flow rangeMax. 0 to 904778 m³/h (inner diameter of pipe: 4000 mm)
Min. 0 to 0.319 m³/h (inner diameter of pipe: 15 mm)
AccuracyIndication and pulse output
Pipe size ≥ 50 mm: 
Flow velocity ≥ 0.5 m/s; ±1% of reading
Flow velocity < 0.5 m/s; Velocity error of ±0.005 m/s 
Pipe size < 50 mm: 
Flow velocity ≥ 0.5 m/s: ±3% of reading
Flow velocity < 0.5 m/s: flow velocity error of ±0.015 m/s
Current output
Additional error of ±0.01 mA be added onto display and pulse output.
Pipe MaterialCarbon steel, Stainless steel, PVC, PP, PVDF, others
Input and output
Current output: 
4 to 20 mA DC
Pulse output: 
Open collector (less than 32 V DC, less than 20 mA)
Status output: 
Open collector (less than 32 V DC, less than 100 mA)
(No status output, identification of flow direction, over range, error, flow alarm)
Control input: 
Low = 0 to 2.5 V DC
High = 19 to 32 V DC
(No control input, output hold, output lock to 0%, total counter reset, error reset)
Low flow cutoff: 
Setting value; 0 to 20%
Damping time constant: 
Current output; 0.1 to 100 s
Pulse output; 0 to 100 s
IndicationBlue, dot matrix LCD (With backlight)

Process data display screen: 
2 screens One to three lines are displayed at one screen. Contents of indication; Flow rate, velocity, total flow
Trend data display screen: 1 screen Real-time trend of flow rate etc.
Standard functionsCustomer's free measuring unit setting function
Automatic zero adjustment function
Bi-directional flow measurement function
Self-diagnosis function (functional and status diagnoses)
Memory save function for power fail
Testing function (current, pulse and status outputs)
Touch sensor setting function
HART communication
Power supply100 to 230 V AC (85 to 250 V AC)
24 V DC (9 to 31 V)
Supply frequency: 48 to 63 Hz (AC)
Power consumption: Approx. 22 VA (AC), Approx.12 W (DC)
Mounting of converterWall installation type
Wall installation (option: Fittings for 2B pipe installation)

Field installation type
Wall installation (Option: U bolt for 2B pipe installation)
Protection classSensor: IP66/67 (IEC 60529)
Wall installation type Converter: IP65/66 (IEC 60529)
Field installation type Converter: IP66/67 (IEC 60529)
Explosion proof spec.
ATEX II 2G Ex ia II C T6…T4 Gb
Field installation type Converter: 
ATEX II 2G Ex db [ia] II C T6 Gb or
Ex db eb [ia] II C T6 Gb
Signal cablecoaxial cable with SMB connector


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