How should the sensor be maintained to prevent blockage?

Clean the pre-filter monthly. During shutdown, blow dry nitrogen in both directions for at least 30 minutes to prevent contamination and blockage.

Air Flow Measurement RS485 Modbus 4 Inch Air Flow Meters

Name: Air Flow Measurement RS485 Modbus 4 Inch Air Flow Meters
Brand: Shanghai Cixi Instrument Co., Ltd.
SKU: 2209859575

Shanghai, ChinaShanghai Cixi Instrument Co., Ltd.

US$553.00-1,450.00

1 Piece

Sample price:US$665.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Instruction

Warranty

1year

Model NO.

CX-TMFM

Accuracy

>±1%

Main Application

Nature Gas, Corrosive Liquid/Gas, Various Gas

Size

DN100-500

Sensor

Flange, Thread, Insertion

Application

Industrial Production

Type

Thermal Mass Flow Meter

Measuring Media

Gas

Measuring Principle

Mechanics

Measurement Object

Closed Pipeline

Certification

CE, ISO, SGS

Product Name

Thermal Gas Mass Flow Meter

Flange Size

DN15-DN300

Flow Range

1.2-25400 Nm3/H

Medium

Air

Output

4-20mA

Power Supply

220V

Pressure

1.6MPa

Protection Grade

IP67

Transport Package

Carton/Polywood Case /Wood Case

Specification

CE/SGS/ISO

Trademark

Origin

Shanghai China

HS Code

9026100000

Production Capacity

2000PCS/Month

Key features

Wide Flow Range: Measures gas flow from 0.5 to 100Nm/s with high precision.

High Accuracy: Accuracy up to 1.0% with stable performance in various conditions.

Durable Material: Constructed with high-quality Stainless Steel 304 or SS316.

IP67 Protection: Fully protected against dust and water for harsh environments.

RS485 Modbus Output: Supports standard 4-20mA and customizable RS485 Modbus communication.

No Moving Parts: Design ensures long working life and high anti-seismic performance.

1-Year Warranty: Comprehensive 1-year warranty coverage for peace of mind.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceIn-stock CapacityQuality Assurance

Shanghai Cixi Instrument Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.46h

AI-Powered supplier vetting

SummaryThe supplier is a combined type enterprise with a strong focus on R&D and customization capabilities, offering a range of design services and ODM services. They have effective procedures for customer service and complaint handling, and their financial credibility appears stable over the past three years. However, they lack overseas warehouses and showrooms, and their innovation capacity is limited by the absence of SDK availability. The production capabilities are robust, catering to a diverse set of products with a significant portion of sales from exports.

Supplier typeThe supplier is classified as a combined type company, engaging in sales and technical services across various industrial equipment and components.

After-Sales capabilityThe supplier has a clear procedure for handling customer complaints and documented corrective and preventive actions, indicating a structured approach to after-sales service.

Financial creditThe supplier's financial capacity appears stable over the last three years, with consistent cash flow and profit index data.

Production capacityThe supplier can produce a significant annual output of various industrial products, indicating strong production capabilities.

Customization capabilityThe supplier offers extensive customization options, including full and minor customization, as well as ODM services.

Product Q&A

Q:What causes display exceptions or a black screen?

Common reasons include power failure, unstable voltage, internal circuit damage, loose display pins, or reversed DC24V polarity. Solutions involve checking power connections, verifying polarity, reseating pins, or contacting the manufacturer for circuit repair.

Q:Why might the instantaneous flow show anomalies or zero?

This can be caused by reversed probe direction, dirty sensors, incorrect parameter settings, or flow field disturbances. Correct by checking probe direction, cleaning sensors, verifying parameters, and ensuring an upstream straight pipe section of at least 5D.

Q:What leads to large reading deviations in measurement accuracy?

Deviations often result from changes in gas composition, temperature/pressure fluctuations, sensor contamination, or improper installation. Recalibrate the instrument, clean the sensor, and adjust the installation to the pipeline center.

Q:How to fix abnormal 4-20mA output?

Issues usually stem from range setting errors, wiring loop problems, or converter failure. Verify range configuration, check wiring for interference, and contact the supplier if the converter needs repair.

Q:What causes slow response speed or unstable flow control?

Slow response is due to sensor aging or processing delays; unstable control is caused by low air pressure, loose connectors, or faulty valves. Solutions include replacing sensors, upgrading firmware, stabilizing pressure, and repairing valves.