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Home > products > Clamp-on Ultrasonic Flowmeter > FL101 Clamp-on Ultrasonic Flow Meter with 24V DC Power Supply RS485 Interface and ±1.0% Accuracy

FL101 Clamp-on Ultrasonic Flow Meter with 24V DC Power Supply RS485 Interface and ±1.0% Accuracy

Product Details

Place of Origin: Shenzhen, China

Brand Name: Flo-Instru

Certification: ISO:9001, CE

Model Number: FL101

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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24V DC Power Supply Clamp-on Ultrasonic Flowmeter

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RS485 Communication Interface In-line Ultrasonic Flow Meter

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±1.0% Accuracy FL101 Flow Meter

Power Supply:
24V DC
Communication Interface:
RS485, Support Modbus RTU Protocol
Flow Range:
0.1m/s ~ 10m/s
Accuracy:
±1.0%
Pipe Diameter Range:
OD20,OD25,OD32,OD40
Display:
1.54’’ 240*240 IPS LCD 360° Rotation
Power Supply:
24V DC
Communication Interface:
RS485, Support Modbus RTU Protocol
Flow Range:
0.1m/s ~ 10m/s
Accuracy:
±1.0%
Pipe Diameter Range:
OD20,OD25,OD32,OD40
Display:
1.54’’ 240*240 IPS LCD 360° Rotation
FL101 Clamp-on Ultrasonic Flow Meter with 24V DC Power Supply RS485 Interface and ±1.0% Accuracy
FL101 Clamp On Flow Meter for Oil
Product Overview

The FL101 In-Line Ultrasonic Flow Meter is specially designed for measuring the flow of various liquids in pipelines, enabling real-time flow measurement in production processes. The instrument outputs digital signals, analog signals, and more to facilitate measurement and control of production processes.

With industrial upgrading requirements demanding richer outputs for automation, traditional flow meters with simpler outputs often fall short. Flo-Instruments addresses this with an in-line flow meter featuring full straight pipe design without pressure loss, double union connection, and simple installation.

Key Benefits
Advanced Measurement

Built-in advanced measurement chip with time resolution up to 20ps

Four-line OLED display showing date, signal, instantaneous, and accumulated data

Clear visibility in low light and dim environments

User-Friendly Interface

Innovative drop-down list menu method

Four touch buttons for easy setup

Simplified Chinese, Traditional Chinese, and English language switching

Robust Construction

IP66 protection rating

Injection molding structure

Double union connection for easy and reliable installation

FL101 Flow Meter Display and Interface
Product Dimensions
FL101 Flow Meter Dimension Diagram FL101 Flow Meter Detailed Dimensions
Model Nominal Pipe Diameter L A B C D
PVC-U-20 DN15 146 182 53.5 93.7 20
PVC-U-25 DN20 149 189 57.3 98.2 25
PVC-U-32 DN25 157 205 70 108 32
PVC-U-40 DN32 157 211 83 118.5 40

Unit: mm

Note: "L" is the length of the pipe section cut off during installation; "D" is the outer diameter of the installed pipe section.

Compatible Media

Since its market introduction, this product has been widely used in the cleaning equipment industry. Due to its simple installation, operation, and reliable measurement performance, it continues to expand into new industries.

Main industries: semiconductors, food, medicine, drinking water, detergents, printing and dyeing, chemical products, etc.

Compatible Media Applications
Measured Media Examples:
  • Dilute sulfuric acid
  • Liquor
  • Hydrocarbon
  • Alcohol
  • Sodium chloride
  • Sodium carbonate
  • Triethylamine
  • Ethylenediamine
  • Propylene oxide

As the market expands, we continue to discover new measurable media. We encourage users to share applications to help us continuously enrich and improve our products.

Measurable Media Criteria:
  • Stable flow rate in the pipeline
  • Pressure maintained at 0.3MPa
  • No bubbles (cavitation) generated due to flow

Many more media have been measured - welcome to consult for specific applications.

Additional Media Compatibility
Technical Specifications
Product Name: FL101 In-line Ultrasonic Flow Meter
Accuracy: ±1.0% (0.3m/s~5.0m/s)
Flow Velocity: 0.1m/s~10.0m/s
Linearity: ±1.0% (0.3m/s-5.0m/s)
Repeatability: 0.40%
Response Time: 500ms
Screen Display: 1.54" 240*240 IPS LCD 360° rotation
Menu Language: Simplified Chinese/Traditional Chinese/English
Display Unit: Supports metric and imperial unit selection
Display Data: Instantaneous flow, flow velocity, cumulative volumes
Totalizer: 7-digit flow totalizer
Cumulative Data: 10 years 64 months 64 days
Operation Key: Four touch buttons
Calendar Battery: CR1220
Power Supply: 24VDC@3W
Analog Output: 4-20mA, maximum load 600Ω
Communication Interface: RS485, support ModBus RTU protocol
Relay Output: (Optional) 30VDC@1A
Media: Water, solutions, chemical reagents (impurities ≤ 4%), etc.
Protection Level: IP66
Installation Method: Pipe sections integrated, PVC-U pipes connected by unions
Pipe Size: OD20 (DN15-½"), OD25 (DN20-¾"), OD32 (DN25-1"), OD40 (DN32-1½")
Pipe Section Material: UPVC
Media Temperature: 0°C-60°C
Working Temperature: -10°C-50°C
Ambient Humidity: Relative humidity 0%-95%, no condensation
Applicable Viscosity: <300CST (mm²/s)
Cable Length: Standard: 2m(6.6ft), extendable to 20m(66ft)
Installation Guide
Step 1: Cutting the pipe
Step 1: Cutting the Pipe

According to installation point selection requirements, cut a section of the pipe at the installation location.

Step 2: Insert nuts into pipe
Step 2: Insert Nuts into Pipe

Unscrew the two nuts from the meter and insert them into the pipe.

Step 3: Glue pipe joints
Step 3: Glue Pipe Joints

Apply PVC glue to the two pipe joints on the instrument and plug them into the pipes.

Step 4: Install flow meter
Step 4: Install Flow Meter

Place the meter in the middle and tighten the nut to complete installation. Pay attention to flow direction during installation.

Step 5: Power on and run
Step 5: Power On and Run

Connect the other end of the cable to a 24V DC power supply, power on and observe operation.

Package Contents
FL101 Flow Meter Package Contents
Ordering Information
FL101 Code Pipe Size Range [DN & Inch & OD]
A DN15 | 1/2" | OD20
B DN20 | 3/4" | OD25
C DN25 | 1" | OD32
D DN32 | 1-1/4" | OD40
Code Output Mode
1 4-20mA, RS485, Relay
Code Cable Length
L 6.6ft(2m) - Default if no choice specified
L+ Other lengths available on request

Complete Ordering Example: FL101 | A | 1 | L