【High-Temperature Chemical Resistant】Fluid temperature up to 200 degrees‼ Measures the flow rate of liquids flowing through pipes over a wide range. Achieves high precision and stable measurements with DSP technology.
Equipped with a DSP (Digital Signal Processor), it achieves stable measurement through unique signal processing. Utilizing ultrasound, it measures the flow velocity of fluids and calculates the flow rate from the flow velocity. Sensors are installed upstream and downstream of the flow, and the flow velocity is determined from the time difference of ultrasonic propagation when signals are sent in both forward and reverse directions from each sensor, which is then converted to flow rate. Since there are no structures inside the piping, flow measurement can be performed under conditions of minimal pressure loss. It can measure a wide range from low to high flow rates. ■ Equipped with a DSP (Digital Signal Processor) Achieves stable measurement through unique signal processing ■ Adoption of 2 channels realizes space-saving and low cost ■ Detachable detector and cable make wiring work easy ■ There are no moving parts within the flow measurement, resulting in low pressure loss ■ All wetted parts use NEW PFA (high corrosion resistance) Ideal for measuring the flow of pure water, chemical solutions, etc. ■ Complies with EMS standards (EN61326) and RoHS ■ Options available for display (HLF820) or no display (HLF810) For more details, please visit our website.
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basic information
■Converter 【Model】HLF810／HLF820 【Measurement Method】Ultrasonic propagation time difference method 【Data Update Cycle】0.01 seconds 【Power Supply】 ・Voltage DC24V ±10% (21.6～26.4V) ・Power Consumption Approximately 4W / Approximately 5W 【Display】 No display / VFD (fluorescent tube) 16 characters x 2 lines 【Digital Input】 Open collector input or voltage-free contact input 2 points, selectable from cumulative value reset, zero point adjustment 【Output】 ・4-20mA current output: 2 points, resolution 12bit (maximum load resistance 600Ω) ・Digital Output Open collector output (MAX35V/0.1A) 2 points, selectable from comparison, cumulative pulse, instantaneous frequency, error output 【Interface】 RS-485 (MODBUS protocol, RTU mode) - up to 32 units can be connected (addresses 1-32) - Communication speed: 9600, 19200, 38400, 57600bps 【Operating Ambient Temperature】 0–50℃ (no condensation) 【Weight】 130g / 230g ■Detector 【Model】 HLFS01-04 / HLFS01-06 / HLFS01-08 / HLFS01-12 【Measurement Target】 Ultrapure water, pure liquid, chemical solution
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Applications/Examples of results
■Flow measurement of CMP (Chemical Mechanical Polishing) slurry ■Flow measurement of pure water and ultra-pure water in semiconductor processes ■Flow management of various chemical treatment processes, including the application of highly corrosive chemicals
Line up（2）
| Model number | overview |
|---|---|
| HLF810 | No display unit |
| HLF820 | With display unit |
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Company information
At Honda Electronics, since our founding, we have always focused on the development of new technologies as a research and development-oriented company. As we enter the 21st century, we aspire to be a market-creating company, utilizing the various ultrasonic core technologies we have cultivated over the years to contribute to societal development through collaboration with academia and cross-industry exchanges. Dolphins possess remarkable ultrasonic abilities bestowed upon them by the gods. As a company involved in ultrasonics, there is still much we can learn from dolphins. We are committed to continually striving for technological innovation with humility, while actively sharing information that brings happiness to everyone.