Atech FL903 RS485 Handheld Ultrasonic Flow Sensor Meter
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Product Highlights
- Non-Invasive Measurement: Clamp-on transducers allow installation without cutting pipes or stopping flow.
- High Precision Accuracy: Offers accuracy levels of 0.15%R, 0.2%R, and 0.5%R for reliable data.
- Maintenance-Free Operation: No moving parts ensure long-term reliability and zero maintenance efforts.
- Versatile Pipe Compatibility: Supports steel, stainless steel, cast iron, PVC, and other homogeneous pipes.
- Dual Output Signals: Provides 4-20mA and RS485 output for flexible integration with systems.
- Comprehensive Certifications: Certified with CE, RoHS, and ISO standards for global safety compliance.
- Broad Application Scope: Ideal for water, wastewater, corrosive liquids, gases, and industrial sectors.
Product Attributes
- After-sales Service
- 1 Year
- Warranty
- 12 Months
- Accuracy
- 0.15%R, 0.2%R, 0.5%R
- Model NO.
- FL903
- Main Application
- Water, Wastewater, Corrosive Liquid/Gas
- Size
- DN25-DN500
- Sensor
- Tube/Flange
- Application
- Industrial Production
- Type
- Ultrasonic Flow Meter
- Measuring Media
- Liquid
- Measurement Object
- Closed Pipeline
- Certification
- CE, RoHS, ISO
- Type.
- Variable Area Water Flowmeters
- Medium Temperature
- - 30~ 160℃
- Caliber Range
- DN15-200
- Pipe Material
- Steel, Stainless Steel, Cast Iron, PVC and Other
- Output
- 4-20mA, RS485
- Power Supply
- 220VAC, 24VDC
- Transport Package
- Carton or Wooden Case
- Specification
- Variable Area Water Flowmeters, Variable Area Petr
- Trademark
- Atech
- Origin
- China, Xian
- Production Capacity
- 10000/Month
- Package Size
- 50.00cm * 50.00cm * 50.00cm
- Package Gross Weight
- 20.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Atech FL903 RS485 Handheld Ultrasonic Flow Sensor Meter
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Product Description
ultrasonic flowmeter is designed to measure the fluid velocity of liquid within a closed conduit. The transducers are a non-contacting, clamp-on type, which will provide benefits of non-fouling operation and easy installation. Ultrasonic flow meters use sound waves as a reliable, accurate and maintenance free method to measure the velocity of a fluid from which the volumetric flow rate can be calculated. They feature no moving parts making them more reliable and accurate while providing maintenance-free operation. Since ultrasonic signals can also penetrate solid materials, the transducers can be mounted onto the outside of the pipe offering completely non-invasive measurement eliminating chemical compatibility issues, pressure restrictions, and pressure loss.
| Technical Parameters | |
| Accuracy | ±1% |
| Medium Temperature | - 30~ 160ºC |
| Caliber range | DN15-200 |
| Pipe Size | DN 15mm~6000mm |
| Pipe Material | steel, stainless steel, cast iron, PVC and other homogeneous and dense pipes |
| Output | 4-20mA, RS485 |
| Power Supply | 220VAC, 24VDC |
| Display | 2×20 character LCD with backlight, support Chinese, English and |
Wall mount type ultrasonic flow meter is high reliability of flow meter, widely used in petroleum, chemical industry, food, electricity, water supply, and drainage, etc.
Features
1. Highest zero point stability and accurate measurement of even the lowest flow velocities 2. Highest precision on the basis of individually calibrated ultrasonic transducers and transmitters 3. One flow meter for all applications 4. No maintenance efforts 5. Highest process safety



Atech sensor co,. Ltd. specializes in sensor production and sales. The main products includes pressure sensor and transmitter, Level transmitter, water level sensor, pressure gauge, melt pressure transmitter, temperture sensor,pressure tranducer ,oil pressure sensor,Explosion proof pressure transducer, low-pressure transducer,Commerical Marine pressure transducer,Fuel pressure & Fuel tank pressure sensor,Liquid pressure sensor, ultrasonic level sensor, pressure sensensor chip, load cell,ect.
As manufacturer, based on technology innovation, good production capacity and strict quality control, we can meet different customers' OEM and ODM demands.
As a manufacturer and exporter, we provide the best products with our rich experience and perfessional technoloty for our customers.


1.Q: How long is the delivery?
-- Mostly within 10days
2.Q:Can I get a sample?
-- Sure, contact our sales please
3.Q:What is your MOQ?
-- 1pcs
4.Q: How about warranty time?
-- 12-18month
5.Q: How can I visit your factory?
-- Fly to Xian Yang air port, it's our pleasure to pick you up.
6.Q:How do you control your quality ?
-- We have EPR system .we control from parts, process, testing, packing ,retesting.
Every Sensor will be tested two times before reach you, after that sport test for the third time. Make sure about the quantity.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR249228". Items marked "" are certified.
Company Profile
Atech sensor co, . Ltd. specializes in sensor production and sales. The main products includes pressure sensor and transmitter, Level transmitter, pressure gauge, melt pressure transmitter, temperture sensor, pressure transducer, oil pressure sensor, Explosion proof pressure transducer, low-pressure transducer, Commerical Marine pressure transducer, Fuel pressure & Fuel tank pressure sensor, Liquidpressure sensor, ect. As manufacturer, based on technology innovation, good production capacity and strict quality control, we can meet different customers' OEM and ODM demands. As a manufacturer and exporter, we provide the best products with our rich experience and perfessional technoloty for our customers. Best Value = High Quality Product + Competitive Price + Professional Service + Fast Delivery + Long time InsuranceAtech sensor is 100% vertically integrated with engineering, manufacturing, sales & marketing and customer service all supported from within our one facility. All critical components and steps in the manufacture, assembly and testing of a Atech pressure instrument are in our hands and are carefully monitored to ensure that we meet your critical specifications precisely and consistently.
About Our Factory & Business Background
- Address
- Block B, Yangyang International, No. 132, Zhuque Street, Yanta Dist, Xi'an, Shaanxi, China
Our Production Capability & Technical Expertise
FAQ
- How long is the delivery?
- Mostly within 10 days.
- Can I get a sample?
- Sure, contact our sales please.
- What is your MOQ?
- 1pcs.
- How about warranty time?
- 12-18month.
- How can I visit your factory?
- Fly to Xian Yang air port, it's our pleasure to pick you up.
- How do you control your quality?
- We have EPR system .we control from parts, process, testing, packing ,retesting. Every Sensor will be tested two times before reach you, after that sport test for the third time. Make sure about the quantity.
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