The AFM2000 series metal tube variable area flow meter provides accurate flow measurement for industrial steam applications through reliable float position tracking. Built with an all-metal structure and modular design, this instrument handles demanding environments where precise monitoring of low flow rates is critical.
Operating on the variable area principle, the AFM2000 utilizes fluid drag forces to displace a precision-engineered float within a tapered measuring tube. As steam flows upward through the vertical metal body, the float rises until a dynamic equilibrium is reached between the upward fluid forces and the downward gravitational pull. This mechanical equilibrium translates directly to volumetric flow rates. The instrument features advanced non-contact magnetic sensors coupled with a microcontroller-based processing unit to digitize mechanical float displacement into stable electrical outputs. It accommodates high-temperature and high-pressure steam utility lines by combining robust wetted materials with modular signal conditioning electronics, ensuring minimal pressure loss across the process connection while maintaining high operational linearity.
Technical Specifications
Accuracy Class: 1.0 @ Standard Calibration
Nominal Diameter: DN15 - DN150 @ Process Piping
Pressure Rating: Up to 40 MPa @ Operating Conditions
Operating Temperature: -40 °C - 120 °C @ Standard Version
High Temperature Limit: Up to 3500 °C @ Special High-Temp Version
Explosion Proof Rating: Exia IICT6 Ga @ Intrinsic Safety
Flameproof Rating: Exd IICT6 Gb @ Explosion Proof
Output Signal: 4 - 20 mA @ Analogue Loop
Power Supply: 24 VDC @ Standard Operation
Turndown Ratio: 10:1 @ Standard Flow Conditions
Special Turndown Ratio: 20:1 @ Extended Range
Wetted Materials: 316L Stainless Steel @ Process Contact
Communication Protocols: HART and Modbus 485 @ Digital Transmission
System Integration and Hardware Setup
Integrating the AFM2000 into industrial automation frameworks requires careful attention to electrical installation and signal wiring. The device utilizes heavy-duty terminal blocks housed within a protective enclosure rated for rigorous plant floors. Field wiring for the 4 - 20 mA current loop and digital communication buses like HART or Modbus 485 must employ shielded twisted-pair cables to prevent electromagnetic interference from nearby variable frequency drives or high-voltage power lines.
Proper grounding techniques are essential to eliminate ground loops and protect internal microprocessor circuits from electrical transients. The cable shield should be terminated securely to the housing ground lug at one end only, following standard industrial instrumentation guidelines. Power supply lines—whether configured for 220 VAC, 24 VDC, or alternative low-voltage architectures—must be routed independently from signal lines to maintain signal integrity and prevent data corruption during transmission.
Reliability and Environmental Durability
Designed for continuous operation in harsh industrial environments, the AFM2000 features a rugged all-metal enclosure that delivers superior resistance to mechanical shock and thermal stress. The structural assembly incorporates high-grade materials such as 304, 316, 316L stainless steel, Hastelloy, or PTFE linings, ensuring excellent corrosion resistance when exposed to aggressive steam condensates or chemical vapors.
The modular electronic compartment is housed in a robust casing engineered to meet stringent ingress protection standards, safeguarding sensitive circuitry from ambient moisture, dust, and particulate contamination. Advanced thermal decoupling between the process connection and the local indicator housing ensures reliable performance even when monitoring high-temperature steam lines. This robust construction results in a high mean time between failures, minimizing unexpected downtime and reducing maintenance frequency in heavy process industries.
Selection Guidance and Alternative Options
Selecting the correct configuration of the AFM2000 requires careful evaluation of process parameters, including operating temperature, pressure, fluid density, and piping orientation. Users can choose from multiple mounting configurations, such as vertical inline, horizontal, or specialized directional flow paths, to match existing plant piping geometry. Beijing Zhongping Technology provides expert technical assistance and comprehensive inventory support to help engineers navigate model variations, explosion-proof ratings, and material compatibility requirements, ensuring seamless local replacement and efficient system integration.
Frequently Asked Questions (FAQ)
1. What is the current local inventory status and typical delivery lead time for standard AFM2000 models?
Beijing Zhongping Technology maintains a robust local inventory of standard AFM2000 configurations, enabling rapid order processing and expedited dispatch to minimize plant downtime and eliminate long overseas shipping delays.
2. What are the terms of the warranty and the RMA procedure for this flow meter?
The device is backed by a comprehensive 12-month manufacturer warranty covering material and workmanship defects, supported by Beijing Zhongping Technology with streamlined local return merchandise authorization processing and pre-shipment quality verification.
3. What are the standard electrical supply and power consumption parameters for this unit?
Power supply options include 220 VAC, 24 VDC, or battery operation, with low internal power consumption designed to optimize energy efficiency within standard industrial control loops.
4. Which communication protocols and signal transmission methods are supported by the meter?
The instrument delivers a standard 4 - 20 mA analogue output signal and supports digital communication via HART protocol and Modbus 485 networks for seamless integration into distributed control systems.
5. What environmental ingress protection ratings and temperature thresholds apply to this meter?
The device operates within standard temperatures from -40 °C to 120 °C, with specialized configurations capable of reaching up to 3500 °C, encased in a rugged housing featuring intrinsic safety and flameproof explosion certifications.
6. What mechanical installation guidelines and pipe sizing parameters should be followed?
The meter accommodates nominal diameters from DN15 to DN150 and offers flexible installation orientations, including vertical, horizontal, and specialized flow configurations, to match existing piping layouts.
7. What routine maintenance or troubleshooting procedures are recommended for optimal performance?
Routine maintenance involves periodic inspection of wetted parts for scale buildup, verification of electrical terminal tightness, and calibration checks of the non-contact magnetic sensor array to ensure long-term measurement accuracy.
8. How does the meter ensure compatibility with existing control architectures and third-party systems?
The unit features multi-parameter calibration capabilities, user-configurable output scaling, and standard industrial communication interfaces that allow straightforward integration into existing PLC and SCADA platforms.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a global industrial electrical automation service provider, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1) Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3) At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
+86 010-64225983
+8613811814778
Building 26, Liyuan Community, Chaoyang District, Beijing, China
