What are the installation requirements for straight pipes?

Upstream straight pipe length should be greater than 10xD and downstream greater than 5xD.

What is the warranty period?

The product comes with a 1-year warranty and technical support.

RS485 4-20mA 1% Accuracy Thermal Mass Flow Meter Compressed Air Digital Flowmeter

Name: RS485 4-20mA 1% Accuracy Thermal Mass Flow Meter Compressed Air Digital Flowmeter
Brand: Aister Instrument (Shanghai) Co., Ltd.
SKU: 2013557502

Shanghai, ChinaAister Instrument (Shanghai) Co., Ltd.

US$219.00-2,000.00

1 Piece

Sample price:US$300.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Technical Support

Warranty

Model NO.

ATMF

Accuracy

>±1%

Main Application

Nature Gas

Size

DN10 - DN2000

Sensor

Plug-in

Application

Industrial Production

Type

Volume Type Flow Meter

Measuring Media

Gas

Measuring Principle

Thermodynamic

Measurement Object

Closed Pipeline

Certification

CE, ISO

Power Supply

DC24V or AC220V

Working Pressure

Medium Pressure Less Than 4.0MPa

Response Speed

Pipe Material

Carbon Steel, Stainless Steel, Plastic, etc

Output Signal

4-20mA, Pulse, RS-485, Hart

Ingress Protection

IP65

Transport Package

Carton Box with PP Film Wooden Box

Origin

China

HS Code

9026801000

Production Capacity

500 Piece/ Week

Key features

Multiple Output Signals: Supports 4-20mA, Pulse, RS-485, and HART protocols for flexible integration.

Durable Sensor Materials: Constructed with Stainless Steel, Carbon Steel, or Plastic for corrosion resistance.

IP65 Protection Grade: Dust-tight and protected against water jets for safe outdoor installation.

Fast Response Speed: Real-time measurement with a response speed of just 1 second.

Comprehensive Certifications: CE and ISO certified ensuring compliance with international safety standards.

Versatile Power Supply: Flexible power options including DC24V or AC220V for various setups.

Company profile

Self-brandedFast DeliveryOEM ServicesFlexible Customization

Aister Instrument (Shanghai) Co., Ltd.

Shanghai, China

Business Type: Manufacturer/FactoryExport Year: 2020-07-09Nearest Port: Shanghai, NingboAverage Response Time: ≤2.09hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a Shanghai-based trading company and professional technical supplier focused on flow instrumentation and calibration-related solutions. It provides 3D software design, ODM, OEM, and broad customization services, with documented inspection, service, complaint-handling, and corrective-action procedures. Export activity is reported at 51%–70% of total sales, with self-operated import and export rights, and stated lead times within 15 working days in both peak and off-season periods. However, the supplier has no available SDK, reported no new products in the past year, and lacks overseas warehouses, showrooms, agents or branches, and offline trade-show participation. Certification status, production capacity, and specific customer cases are not sufficiently documented.

Supplier typeThe supplier is explicitly described as a professional technical supplier, while its company type is a trading company located in Shanghai. Its stated business focuses on flow meter solutions and flow instrumentation for domestic automation and international markets.

After-Sales capabilityThe supplier has written procedures and records for service assessment, corrective and preventive actions, and customer complaint handling. It states service terms and lead times, but has no overseas warehouse, showroom, overseas agent or branch, and no offline trade-show participation, limiting evidence of overseas service infrastructure.

R&D capabilityThe supplier reports professional technical R&D capability, 3D software design services, ODM services, and accumulated technical reserves in flow instrumentation. Countervailing evidence includes no available SDK and no new products in the past year, so innovation capability is demonstrated but not fully current or comprehensive.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also provides ODM and OEM services, giving strong evidence of broad design and customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands and that its flow meter solutions are used by numerous trade-settlement entities, with positive feedback. These are general claims without named customers, project details, or independently verifiable case evidence.