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ST501 Ultrasonic Flow Meter with Clamp-on Transducer, RS485 Communication, and 24V DC Power Supply

Name: ST501 Ultrasonic Flow Meter with Clamp-on Transducer, RS485 Communication, and 24V DC Power Supply
Brand: Flo-Instruments Co., Ltd
SKU: ST501
Availability: InStock

Product Details

Place of Origin: Shenzhen,China

Brand Name: Flo-Instru

Certification: CE; ISO9001

Model Number: ST501

Payment & Shipping Terms

Minimum Order Quantity: 1

Packaging Details: Conventional Packaging

Delivery Time: 3-5 working days

Payment Terms: T/T

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Product Details

Product Description

Highlight:

Pipe Material:	PVC, Carbon Steel, Stainless Steel, Copper, Etc	Transducer Cable:	Standard Cable Length: 33ft (10m)
Communication Interface:	RS485	Power Supply:	24V DC/1A
Keypad:	16(4×4) Key With Tactile Action	Accuracy:	±1.0%

Pipe Material:	PVC, Carbon Steel, Stainless Steel, Copper, Etc
Transducer Cable:	Standard Cable Length: 33ft (10m)
Communication Interface:	RS485
Power Supply:	24V DC/1A
Keypad:	16(4×4) Key With Tactile Action
Accuracy:	±1.0%

ST501 Ultrasonic Flow Meter with Clamp-on Transducer, RS485 Communication, and 24V DC Power Supply

ST501 Stationary Ultrasonic Flowmeter for Water Treatment Engineering

The ST501 Stationary Ultrasonic Flowmeter integrates into your management system to provide remote measurement services for industrial water purification and wastewater management applications.

Cost-Effective Fixed Ultrasonic Flowmeter ST501

ST501 Ultrasonic flow meter uses reliable digital signal processing technology, transmitting flow measurement for a wide range of liquids and pipe sizes with high accuracy and reliability. Combined with outstanding performance transducers and industrial-grade materials, Flo-Instruments ensures long-term operation without maintenance concerns.

Key Benefits

Measures actual flow and total consumption of various liquids
No loss of process control, optimization of assets and efficiency, no downtime or expense from calibration
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
Utilizes transit-time ultrasonic technology to realize bidirectional flow measurement by precisely measuring ultrasonic signal travel times
Leverage data logging capabilities to analyze historical flow patterns for system optimization
Built-in keypad and simple menu system for fast programming of pipe diameter, material, liquid type, and measurement units

Measurement Principle

The Transit-Time Ultrasonic Flow Meter, also known as Time-of-Flight (TVT) ultrasonic flow meter, is a non-intrusive flow measurement technology widely used for clean liquid applications. It operates on the principle of measuring the time difference between ultrasonic signals transmitted in the direction of flow and against the flow direction.

Product Dimensions

Transmitter

Transducer

Wiring Instructions

Open the cover located at the right lower side to connect to DC power terminal. Follow the wiring diagram to connect: RTD input (only for Energy Model), RS485, 4-20mA, Transducer (Upstream transducer, Downstream transducer), Relay Output, OCT Output.

For double-shielded transducer cable: "+" on the blue wire, "-" on the white wire and "shield" on the shield.

Communication and Output Functions

The ST501 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.

Output Capabilities Summary

Output Type	Function	Application Examples
RS485 (Modbus)	Digital communication	Remote monitoring, SCADA, system integration
4-20mA	Analog 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

Technical Specifications

Performance Specifications

Velocity range	0 ~ ±16ft/s (0 ~ ±5m/s)
Accuracy	±1.0%
Pipe size	Clamp-on: 1''~48'' (25mm~1200mm)
Fluid	Sea Water, Kerosene, Gasoline, Oil, Alcohol, etc
Pipe material	PVC, Carbon Steel, Stainless Steel, etc

Function Specifications

Optional Outputs	OCT Pulse output: 0~5000Hz Analog output: 4~20mA, max load 750Ω
Communication interface	RS485
Power supply	24V DC/1A
Keypad	16(4*4) key with tactile action
Display	20*2 lattice alphanumeric, back lit LCD
Temperature	Transmitter: 32℉~140℉ (0℃~60℃) Transducer: 32℉~140℉ (0℃~60℃)
Humidity	Up to 99% RH, non-condensing

Physical Specifications

Transmitter	Aluminum Alloy, IP65
Transducer	Encapsulated design, IP68
Transducer cable	Standard cable length: 33ft (10m)
Weight	Transmitter: approximately 0.7kg; Transducer: approximately 0.4kg

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