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ST502 Insertion Ultrasonic Flow Meter with ±0.5% Accuracy for DN25-DN5000 Pipe Size and IP65 Enclosure

Name: ST502 Insertion Ultrasonic Flow Meter with ±0.5% Accuracy for DN25-DN5000 Pipe Size and IP65 Enclosure
Brand: Flo-Instruments Co., Ltd
SKU: ST502
Availability: InStock

제품 상세정보

원래 장소: 선전

브랜드 이름: Flo-Instru

인증: CE; ISO9001

모델 번호: ST502

지불과 운송 용어

최소 주문 수량: 1

포장 세부 사항: 기존 포장

배달 시간: 3-5 영업일

지불 조건: 티/티

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강조하다:

파이프 크기:	DN25-DN5000	반복성:	0.15%
산출:	4-20MA, OCT 펄스 출력, 릴레이 출력, RS-232 / RS-485, RTD 온도. 입력	전원공급장치:	24V DC
속도 범위:	0.03 ~±40ft/s (0.01~±12m/s)	변환기 온도:	-40°F ~ +176°F(-40°C~+80°C)

파이프 크기:	DN25-DN5000
반복성:	0.15%
산출:	4-20MA, OCT 펄스 출력, 릴레이 출력, RS-232 / RS-485, RTD 온도. 입력
전원공급장치:	24V DC
속도 범위:	0.03 ~±40ft/s (0.01~±12m/s)
변환기 온도:	-40°F ~ +176°F(-40°C~+80°C)

ST502 Insertion Ultrasonic Flow Meter with ±0.5% Accuracy for DN25-DN5000 Pipe Size and IP65 Enclosure

ST502 Flow Meter for Large Diameter Water Pipelines

ST502 Insertion Type Ultrasonic Flowmeter

Ultrasonic flow meters that use transit-time methods to measure flow.

Introduction

The ST502 Insertion-Type Ultrasonic Flow Meter utilizes advanced digital signal processing technology to achieve ±0.5% high-accuracy flow measurement across a wide range of pipe sizes and clean liquid applications. Designed with a robust industrial-grade insertion probe, the ST502 provides strong ultrasonic coupling directly within the flow stream, ensuring excellent signal strength, long-term stability, and dependable performance.

A clear, intuitive user interface and menu system allow for easy configuration and operation. Unlike clamp-on models, the insertion design positions the ultrasonic transducers directly inside the pipe, enabling stronger signal penetration and enhanced stability—particularly beneficial for large-diameter pipelines, complex process conditions, or applications requiring highly reliable and repeatable measurements.

Engineered for versatility, the ST502 is ideal for water distribution systems, cooling loops, industrial process liquids, energy monitoring, and HVAC applications. Its combination of high accuracy, stable performance, and durable construction makes it a dependable solution for long-term flow monitoring and critical measurement tasks.

Benefits

Measures the actual flow and total consumption of various liquids
CNC machined process, magnetic open cover technology without any screws
Adaptive signal processing algorithms optimize performance, ensuring accurate measurements even in challenging flow conditions
Clear display interface and LCD display with alarm function, easy to operate and debug
Utilize transit-time ultrasonic technology to realize bidirectional flow measurement by precisely measuring the time it takes for ultrasonic signals to transmit upstream and downstream
Built-in 2G SD card and leverage storage capabilities to analyze historical flow data for system optimization
Built-in keypad and simple menu system for fast and easy option of pipe diameter, pipe material, liquid type, and measurement units

ST502 is a brand-new high-end product made of aluminum alloy material using CNC processing methods. It adopts industry-leading full-sealed iron-absorbing side-opening technology without any screw locking, reducing tedious steps of screwing. This convenient design truly realizes "one-second opening".

Principle

The Transit-Time (TVT) Ultrasonic Flow Meter is a highly reliable flow measurement technology widely used for clean liquids. Unlike clamp-on designs, the insertion-type meter places the ultrasonic transducers directly into the pipe wall so they make contact with the fluid. This ensures strong ultrasonic transmission, excellent signal quality, and stable long-term performance, especially on large or thick-walled pipes.

In an insertion-type TVT flow meter, two ultrasonic transducers are inserted into the pipe wall. One transducer transmits a pulse downstream (T_down) with the direction of the fluid, while the other transmits upstream (T_up) against the flow. Because the flowing liquid accelerates the downstream signal and slows the upstream signal, the time difference (Δt=T_up - T_down) is proportional to the flow velocity.

Specifications

Performance Specifications

Velocity range	0.03 ~ ±40ft/s (0.01 ~ ±12m/s)
Accuracy	±0.5%
Pipe size	1"~200" (25mm~5000mm)
Repeatability	0.15% of measured value
Linearity	±1.0%
Fluid	Water, Sea water, Oil, Alcohol...
Pipe material	PVC, stainless steel, carbon steel, copper...

Function Specifications

Communication & Outputs	Communication: ModBus RS485 Analog output: 4~20mA, max load 750Ω Pulse output: 0~9999Hz, OCT (min. and max. frequency adjustable) Relay output: max 1Hz (1A@125V AC or 2A@30V DC)
Flow Unit	Cubic Meters (m³), Liters (l), USA Gallons (gal). Factory default unit is m³/h
Time Unit	/Day/Hour, /Min, /Sec
SD Card	Max record: 2GB, working more than 1000 days Storage time interval: 1~86400s
Power supply	24V DC/1A max
Keypad	16 touch keys
Display	20×2 lattice alphanumeric, back lit LCD
Temperature	Transmitter: -40℉~140℉ (-40℃~60℃) Transducer: -40℉~176℉ (-40℃~80℃)
Humidity	Up to 99% RH, non-condensing

Physical Specifications

Transmitter	Die-cast aluminum, IP65, CNC machined
Transducer	Encapsulated design, protection grade IP68
Transducer cable	Standard cable length: 33ft (10m)
Weight	Transmitter: 1kg

Product Dimension

Transmitter

Transducer

Product Display

Communication and Output Functions

The ST502 Fixed Ultrasonic Flow Meter is equipped with multiple communication and output options to ensure seamless integration into various industrial control systems. These outputs enable real-time data acquisition, remote monitoring, and control of flow-related processes.

Summary of Output Capabilities

Output Type	Function	Application Examples
RS485 (Modbus)	Digital communication	Remote monitoring, SCADA, system integration
4-20mA	Analog input/output	PLC input, process feedback, DCS systems
OCT Pulse	Flow totalization output	Batch controllers, energy meters, flow loggers
Relay	Alarm/control output	Trigger alarms, control valves/pumps, flow safety protection

Wiring Diagram & Installation Methods

Tags:

Insertion Ultrasonic Flowmeter with Transit Time Technology, IP65 Enclosure, and RS485 Communication for Accurate Liquid Flow Measurement

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초음파 수량계

ST502 Insertion Ultrasonic Flow Meter with ±0.5% Accuracy for DN25-DN5000 Pipe Size and IP65 Enclosure

이동 시간 초음파 흐름계,

도플러 수류계,

포켓용 워터 플로우 미터

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고정된 초음파 유량계

0.5% 정확도 | 최고의 삽입형 초음파 유량계

ST502 삽입 초음파 흐름계

Insertion Ultrasonic Flowmeter with Transit Time Technology, IP65 Enclosure, and RS485 Communication for Accurate Liquid Flow Measurement

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다양한 파이프 크기와 산업 환경에서 높은 정밀도의 통과 시간 유량 측정을 위해 설계된 ST502 삽입형 초음파 유량계

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