Fluid Mechanics
Smart Laser Doppler Velocimeter (LDV) IV – Model 8745-S
Simple and easy-to-operate Smart LDV (Laser Doppler Velocimeter)
Unlock the power of non-intrusive fluid velocity measurements with the cutting-edge Kanomax Smart Laser Doppler Velocimeter (LDV) IV. Built on the fundamental principles of laser coherence, this sophisticated instrument is engineered to provide you with unparalleled accuracy and ease of use.
Fluid Velocity Precision
The Smart LDV IV harnesses the coherence of laser light to measure fluid velocity effortlessly. By detecting the Doppler shift frequency of scattering light from particles within the fluid, it swiftly and precisely calculates the velocity of the particles themselves, enabling you to gain valuable insights into liquid or gas flow dynamics with utmost precision.
Non-Intrusive Excellence
With the Smart LDV IV, you can conduct non-intrusive measurements without disturbing the object under examination. This revolutionary technology ensures that your measurements remain undistorted, allowing you to observe fluid behavior in its natural state, unencumbered by invasive techniques.
Calibration-Free Convenience
Bid farewell to time-consuming calibrations. The Smart LDV IV eliminates the need for extensive setup and calibration procedures, saving you precious time and resources. Its intuitive design ensures that you can quickly get to the heart of your research or analysis.
High-Resolution Reverse Flow
Enjoy the added advantage of high-resolution reverse flow measurements. The Smart LDV IV is equipped to capture even the most intricate flow patterns, offering a comprehensive view of fluid behavior in both forward and reverse directions.
Unrivaled Accuracy
When precision matters most, trust in the Smart LDV IV. It provides absolute flow velocity values with unparalleled accuracy, enabling you to make critical decisions with confidence and precision.
Compact Design, Big Results
Designed with convenience in mind, the Smart LDV IV boasts a compact form factor without compromising on performance. Its high repeatability and compact size make it an ideal choice for a wide range of applications.
Experience the future of velocity measurement with the Kanomax Smart Laser Doppler Velocimeter (LDV) IV. Unlock the power of non-intrusive, calibration-free, and highly accurate fluid velocity measurements. Make informed decisions with confidence, backed by the precision of the Smart LDV IV.
| Main Unit Specifications | |
|---|---|
| Velocity Range | -40 to 260 m/s (f = 400mm) |
| Laser Source | Laser Diode: λ=660nm, 60mW |
| Focal Length | 150 mm, 200 mm, 250 mm, 300 mm, 350 mm, 400 mm |
| Focal Point Size | 0.13 mm x 1.3 mm (f=200mm) |
| Probe Size | 104 mm x 104 mm x 345 mm |
| Shift Frequency | 0.01 to 10 MHz |
| Power Supply | AC100－240 V |
| Signal Processor Specifications | |
| Signal Processing | 8 bits FFT (512, 256, 128 points) |
| Frequency Band | 1 kHz to 40 MHz (8 ranges) |
| Max. Data Rate | 120,000 speed data/sec* |
| Validation | O to 1 V, Pulse, Alarm |
| Interface | USB 3.0 |
| Software | |
| Max. number of data | 100,000 |
| Real time monitor | Burst waveform Burst spectrum Velocity histogram |
| Analysis function | Mean flow velocity, Turbulent intensity, Skewness factor, Flatness factor, Velocity histogram, Time-series display |
| Data output | CSV format |
| Supported Operating System | Windows 10/11 (64bit), Japanese / English |
Smart CTA – Model 7250
Professional and compact hot-wire anemometer for turbulence measurements and frequency analyses
The Smart CTA is a professional but easy-to-use hot-wire anemometer. In a compact design, two CTA units are integrated which enable not only a one-dimensional probe, but also a two-dimensional probe, to use with just one main unit. The Smart CTA offers the frequency response up to 20 kHz, so for most applications it can be employed.
A hot-wire anemometer (HWA) is an instrument that measures turbulence intensity of airflow and for its frequency analyses. A HWA detects velocities from analog electrical signals continuously outputted from the CTA feedback circuit. The hot-wire sensors are very tiny, a diameter of about a few microns, and therefore bring high thermal responsiveness. Those small sensors enable to capture information of the microstructure of the flow. By traversing the probe, velocity distribution can be also measured.
| Main Unit Specifications | |
|---|---|
| Method | Constant Temperature Anemometry (CTA) |
| Bridge | |
| Number of Channels | 2 |
| Bridge Ratio | 12:1 |
| Set Resistance (for probe) | 4.5 to 45 Ω |
| Current Supply to Probe | < 350 mA |
| Feedback Circuit | |
| Output Voltage Range | 0 to 10 V DC |
| Frequency Response | < 20 kHz |
| Operating Environment | |
| Temperature | 5 to 35 °C |
| Humidity | 20 to 90% RH |
| Power Supply | |
| Voltage | AC100V / 120V / 220V / 240 V (set prior to delivery) |
| Frequency | 50 Hz / 60 Hz |
| Appearance | |
| Dimensions | 320 mm x 88 mm x 280 mm |
| Weight | approx. 3.8 kg |
| Software | |
| Function | Probe Calibration, Measurement, Graph Indication, Realtime Monitoring |
| Created Files | Probe Calibration File Measurement File Statistical Calculation Result File (csv) |
| Analysis Data (Statistical Calculation Result File) | Average velocity value, Standard deviation, Min. velocity value, Max. velocity value, Turbulent intensity |
| Supported Operating System | Windows 10 (64bit) |
BubbleMaster – Model 7961
Void fraction measurement and simultaneous measurement of velocity and diameter of bubbles in a gas-liquid two-phase flow
The BubbleMaster measures gas-liquid two-phase flows with optical fiber sensors. It not only measures time-averaged void fraction, but also detects individual bubble size and velocity using reflected light intensity technology that changes when a bubble penetrates the tip of the wedge-shaped optical fiber.
Three types of quartz sensor tips are available: S-TOP, T-TOP and F-TOP. The intrusive approach of the BubbleMaster enables to measure even at a higher void fraction of over 1 %, which cannot be realized by a non-intrusive optical method.
The BubbleMaster software acquires samples from individual bubbles, which signal amplitude can be monitored on the software display. Analysis results, histogram of bubble velocity and diameter, void faction, averages and standard deviation can be obtained with the T-TOP and F-TOP sensor.
| Main Unit Specifications | |
|---|---|
| Method | Photoelectric detection |
| Number of Channels | 4 Channels |
| Sensors | |
| Shape | Wedge-shaped |
| Measurable Bubble Size | > 1.0 mm |
| Applicable Velocity | < 5 m/s |
| Type of Sensors | S-TOP, T-TOP and F-TOP |
| Software | |
| Sampling System | Burst signal sampling |
| Sampling Mode | Trigger mode, Continuous sampling mode |
| Real Time Monitor | Photoelectric conversion output signal |
| Data Acquisition | Max. 100,000 (number of bubbles) |
| Analysis Data (S-TOP sensor) | Bubble signal waveform, Void fraction |
| Analysis Data (T-TOP / F-TOP sensor) | Bubble signal waveform, Void fraction, Bubble velocity, Bubble diameter, Average value, Standard deviation |
| Data Table | Bubble velocity, Bubble size |
| Histogram Chart | Bubble velocity, Bubble size |
| Supported Operating System | Windows 10 (64bit) |
| Power Supply | |
| Voltage | AC 90V ~ 240 V |
| Frequency | 50 Hz / 60 Hz |
| Appearance (main unit) | |
| Dimensions | 255 mm x 313 mm x 153 mm |
| Weight | approx. 4.5 kg |
| Output Data | S-TOP | T-TOP | F-TOP |
|---|---|---|---|
| Void Fraction | 〇 | 〇 | 〇 |
| Signal Waveform | 〇 | 〇 | 〇 |
| Bubble Velocity | X | 〇 | 〇 |
| Bubble Diameter | X | 〇 | 〇 |
| Bubble Entry Angle | X | X | 〇 |
| Average Value | X | 〇 | 〇 |
| Standard Deviation | X | 〇 | 〇 |
Fluostar Fluorescent Particles
Polymer fluorescent particles
FLUOSTAR microspheres are polymer fluorescent particles encapsulating the fluorescent dye, Rhodamine B, which emits the orange-colored fluorescence when illuminated by a green-colored laser (e.g. Nd:YAG, Nd:YLF).
FLUOSTAR feature the outstanding emission efficiency of fluorescence, which are best suited for PIV applications. The strong orange-colored fluorescence may be even observed by sight using a 5 mW laser pointer.
They feature: moderate size dispersity, uniform spherical shape, no swelling or shrinking, minimal photobleaching, and minimal dye leaking.
They can be used for: single-phase liquid flows, multi-phase flows, industrial large-scale flows, near-wall flows, and stereo PIV.
| Main Product Specifications | |
|---|---|
| Substrate Material | Carboxy-modified acrylate resin |
| Refractive Index | 1.560 (polymer) |
| Temperature | Resistant up to 100 Celsius (polymer) |
| Fluorescence dye | Rhodamine B (Excitation 550 nm / Emission 580 nm) |
| Density | 1.1 g/cm3 |
| Diameter | 15 um (Uniform spherical shape) |
| Size Uniformity | Less than 20% C.V. |
| Particle Life | 2 year |
| Storage | Store at room temperature in a dry area. Bottle should be tightly sealed. |
| Handling | Glove and respiratory protection are recommended |
| Sizes | 1, 5, 10, and 50g |
