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Ultrasonic flow meter HLF800 series HLF820-HLF820
Ultrasonic flow meter HLF800 series HLF820-Echo Tech Co., Ltd.

Ultrasonic flow meter HLF800 series HLF820
Echo Tech Co., Ltd.

Echo Tech Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

6.0hours

Very Fast Response


About This Product

■Summary

Equipped with DSP (Digital Signal Processor) and unique signal calculation to achieve stable measurements Ultrasonic waves are used to measure the fluid flow velocity and calculate the flow rate from the flow velocity. Sensors are installed upstream and downstream of the flow, and the flow velocity is determined from the difference in ultrasonic propagation time when emitted from each sensor in the forward and reverse directions, and converted to flow rate. ・Since there are no structures inside the piping, flow rate measurement is possible under conditions with minimal pressure loss. ・Can measure a wide range from low flow velocity to high flow velocity.

■Features

Equipped with DSP (Digital Signal Processor) and unique signal calculation to achieve stable measurements

■Two detectors of different sizes can be connected with one converter

Up to two detectors can be connected to one converter, making it space-saving and cost-effective for devices that measure flow rates at multiple locations. In addition to measuring the flow rate of different fluids, you can also connect detectors of different sizes.

■The display section uses VFD display.

The display uses a VFD (fluorescent display tube) for excellent visibility. [HLF820 only]

■Supports flow rate measurement of high temperature chemical liquids

Compatible with recent diversification of chemical solutions and fluid temperatures. All wetted parts use NEW PFA and have excellent chemical resistance. Additionally, thanks to the in-house developed vibrator, the detector can handle fluid temperatures up to 200℃. (K type) *04 type can be heated up to 180℃.

■Uses a detachable cable. Easy wiring work

The wiring cable from the detection unit is removable, so wiring can be done smoothly after installation to the device. In addition, the cable length can be selected from 5m and 7m.

■Remote monitoring via PC is possible via RS-485 communication

Equipped with RS-485 communication as standard. By using the management software (HLF800 Monitor), you can set parameters and read measurement data on a PC, allowing remote flow monitoring.

■Applications

・Measurement of flow rate of pure water and ultrapure water in semiconductor process ・Flow rate management for various chemical treatment processes such as highly corrosive chemical application ・Flow rate measurement of CMP (Chemical Mechanical Polishing) slurry liquid

  • Product

    Ultrasonic flow meter HLF800 series HLF820

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1 Models of Ultrasonic flow meter HLF800 series HLF820

Image Part Number Price (excluding tax) Power voltage Power consumption Mass Measurement method Display Installation method Operating ambient temperature Data update cycle Digital output Digital input Case material Interface 4-20mA current output
Ultrasonic flow meter HLF800 series HLF820-Part Number-HLF820

HLF820

Available upon quote

DC24V ±10% (21.6~26.4V)

Approximately 5W

230g

Ultrasonic propagation time difference method

VFD (fluorescent tube) 16 characters x 2 lines

Panel

0~50℃ (no condensation)

0.01 seconds

Open collector output (MAX35V/0.1A) 2 points
Select from comparison, integrated pulse, instantaneous frequency, and error output

Open collector input or no-voltage contact input 2 points
Select from integrated value reset or 0 point adjustment

ABS

RS-485 (MODBUS protocol, RTU mode)
32 units can be connected (addresses are 1 to 32)
Communication speed: 9600, 19200, 38400, 57600bps

2 points
Resolution: 12bit (maximum load resistance 600Ω)

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About Company Handling This Product

Response Rate

100.0%


Response Time

6.0hrs

Company Overview

Echo Tech Co., Ltd., founded in 1999 and based in Aichi, Japan, is a manufacturer and seller of ultrasonic cut...

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  • Japan

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