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Home Test and Measurements HLF800 series [Ultrasonic Flowmeter]
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Honda Electronics

HLF800 series [Ultrasonic Flowmeter]

Brand

Honda Electronics

Sub Categories

Other Test and Measuring Instruments

Application

Ultrasonic Liquid Flowmeter

Category: Test and Measurements
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  • Description
Description

Overview

Equipped with a DSP (Digital Signal Processor), the unique signal computation ensures stable measurement.

Ultrasonic waves are used to measure the fluid velocity and calculate the flow rate from the velocity.
The flow velocity is calculated from the difference in ultrasonic wave propagation time when ultrasonic waves are emitted in the forward and reverse directions from the sensors installed upstream and downstream of the flow, and is converted to flow rate.

○Flow measurement is possible under the condition of minimum pressure loss because there is no structure in the piping.
○Wide range of flow velocity can be measured from low to high velocity.

Special feature

Bubble effect

●Equipped with a DSP (Digital Signal Processor), the unique signal computaion ensures stable measurement.

 sensors

● Two different sizes of sensors can be connected to the same converter.

Up to two sensors can be connected to one converter, which saves space and offers excellent cost performance for equipment that measures flow rates at multiple locations. In addition to flow measurement of different fluids, sensors in different sizes can also be connected.

VFD display

●Equipped with VFD display

The VFD (fluorescent display tube) display provides excellent visibility. HLF820 only.

High-temperature chemical flow measurement

●High-temperature chemical flow measurement

Compatible with recent diversification of chemical and fluid temperatures. All liquid contact surfaces are made of NEW PFA for superior chemical resistance. Our self-developed transducers enable flow measurement at high temperature of up to to 200°C (K type).
*04 type is available up to 180°C.

detachable cable

●Easy wiring work by detachable cable

Since the wiring cable from the sensor unit is detachable, wiring can be done smoothly after installation in the device. The cable length can be selected from 5m and 7m.

RS-485 communication

●RS-485 communication enables remote monitoring with a PC

RS-485 communication is standard-equipped. Parameter setting and reading out of measurement data can be done on a PC by using the management software (HLF800 Monitor), enabling remote flow monitoring.

Applications

・Measuring the flow of deionized water or ultrapure water for semiconductor manufacturing processes
・Measuring the flow of highly corrosive chemical liquid used in chemical treatment processes
・Measuring the flow of slurry liquids for CMP (Chemical Mechanical Polishing) process

Specifications

Sensor type

Sensor type

Converter

ModelHLF810HLF820
Measurement methodUltrasonic wave propagation time difference method
Data update cycle0.01 seconds
PowerVoltageDC24V ±10%(21.6~26.4V)
Power consumptionApprox. 4WApprox. 5W
Display-VFD (fluorescent tube) 16 characters x 2 lines
Digital inputOpen collector input or no-voltage contact input 2 points
Select from totalizer reset or zero point adjustment
Output4-20mA current output2 points
Resolution: 12bit (Max. load resistance 600Ω)
Digital outputOpen collector output (MAX35V/0.1A) 2 points
Select from comparison, integrated pulse, instantaneous frequency, and error output
InterfaceRS-485 (MODBUS protocol, RTU mode)
32 units can be concatenated (addresses 1-32)
Communication speed: 9600, 19200, 38400, 57600 bps
Case MaterialABS
Ambient operating temperature0 to 50°C (no condensation)
Weight130g230g
Installation methodDIN RailPanel

Sensor

ModelHLFS01-04HLFS01-06
Object of measurementUltrapure water / Pure water / Chemical solution
Measuring flow rate range0~2L/min0~6L/min
Connecting Tube Size1/4"3/8"
Accuracy*1Measured flow rate0 to less than 800 mL/min800~2000mL/min0 to less than 2000 mL/min2000~6000mL/min
Flow rate accuracy±8mL/min±1% R.D.±20mL/min±1% R.D.
Withstanding pressure0.5MPa (0~90℃) / 0.2MPa (90~200℃)
Fluid temperatureStandard0~90℃
High temperature0~180℃0~200℃
Ambient operating temperature0~80℃
Wetted part materialNEW PFA
Weight90g110g
Intrinsic Loss Coefficient3.78630.0937
ModelHLFS01-08HLFS01-12
Object of measurementUltrapure water / Pure water / Chemical solution
Measuring flow rate range0~20L/min0~50L/min
Connecting Tube Size1/2"3/4"
Accuracy*1Measured flow rate0 to less than 4.3L/min

4.3~20L/min0 to less than 11.8L/min11.8~50L/min
Flow rate accuracy±43mL/min±1% R.D.±118mL/min±1% R.D.
Withstanding pressure0.5MPa (0~90℃) / 0.2MPa (90~200℃)
Fluid temperatureStandard0~90℃
High temperature0~200℃
Ambient operating temperature0~80℃
Wetted part materialNEW PFA
Weight130g160g
Intrinsic Loss Coefficient0.11460.0.0138
ModelHLFS01-16
Object of measurementUltrapure water / Pure water / Chemical solution
Measuring flow rate range1"
Connecting Tube Size1/2"
Accuracy*1Measured flow rate0 to less than 20 L/min20~80L/min
Flow rate accuracy±200mL/min±1% R.D.
Withstanding pressure0.5MPa (0~60℃) / 0.2MPa (60~200℃)
Fluid temperatureStandard-
High temperature0~200℃
Ambient operating temperature0~80℃
Wetted part materialNEW PFA
Weight220g
Intrinsic Loss Coefficient0.0033

*1 Pure water at 20°C Repeat accuracy in our inspection environment

Intrinsic loss coefficient A of each sensor (pure water at 20°C)
⊿P=AQ2 ⊿P: Pressure loss [KPa] A: Intrinsic loss coefficient Q: Flow rate [L/min]

 

Converter-sensor connection cable

ModelHLFS01 cable 5mHLFS01 cable 7m
MaterialETFE
Length5m7m
Weight150g210g

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