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ATP Series NPN Paddle Wheel Flow Sensor with RS-485 or MODBUS Output New Condition Total Meter

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Flow Measurement: Designed to measure the flow rate of liquids and gases via a paddle wheel mechanism that rotates proportionally to fluid velocity.
  • Communication Interface: Equipped with RS-485 or MODBUS outputs for seamless integration with automation systems, enabling real-time data transmission and remote monitoring.

Key features

  • 1. Corrosion-Resistant PVC Material

  • With corrosion-resistant PVC material, ensure durability in harsh fluid environments* compared to basic plastic sensors.

  • 2. RS-485/Modbus Communication Interfaces

  • With RS-485/Modbus communication interfaces, integrate seamlessly into smart systems for real-time monitoring* unlike models with limited connectivity.

  • 3. Wide-Range Flow Measurement Capability

  • With a broad flow measurement range, adapt to diverse applications from industrial to residential use* surpassing narrower-range sensors.

  • 4. Versatile Application Adaptability

  • With deployment flexibility, operate reliably in water, wastewater, and other fluid systems* outperforming single-purpose sensors.

  • 5. Compliance with Industrial Standards

  • With PVC construction compliant with industrial safety standards, ensure reliable operation in regulated environments* meeting stricter requirements than non-certified alternatives.

Product details

ATP Series NPN Paddle Wheel Flow Sensor with RS-485 or MODBUS Output New Condition Total Meter

The ATP Series NPN Paddle Wheel Flow Sensor with RS-485/MODBUS Output is a versatile fluid measurement solution designed for industrial, commercial, and residential applications. Constructed from corrosion-resistant PVC, this sensor ensures durability in harsh environments while offering precise flow rate monitoring via its paddle wheel mechanism. The RS-485/MODBUS communication interface enables seamless integration into automation systems, while customizable parameters accommodate diverse operational needs.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialPVC (Polyvinyl Chloride)Chemical-resistant applications (e.g., wastewater, industrial fluids)
CommunicationRS-485, MODBUS OutputIndustrial automation systems requiring remote data logging
DesignCompact, DIN-compliant housingSpace-constrained installations (e.g., pipelines, control panels)
Flow Range0.5–6 m/sMedium-to-high flow rate measurements in liquids/gases

Customization guide

Adjustable parameters include flow range calibration (to match system requirements) and output signal configuration (RS-485 or MODBUS selection). These options allow users to tailor the sensor for specialized applications such as high-precision irrigation systems or corrosive chemical monitoring.

Get inspired

With its rugged PVC construction and smart communication interfaces, the ATP Series enables reliable flow monitoring in environments ranging from municipal water treatment plants to industrial process control systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Accuracy±2% of reading±1.7% (+15%)±1.4% (+30%)
Response Time500 ms400 ms (20% faster)300 ms (40% faster)
Flow Range0.5–6 m/s0.3–8 m/s (extended)0.2–10 m/s (premium)

Supplier's note

  1. Technical Breakthroughs:

    • PVC Material: Triple the corrosion resistance of traditional plastics, enabling use in aggressive chemical environments.
    • MODBUS/RS-485 Interface: 20% faster data transmission than legacy analog sensors, reducing system latency.
    • Customizable Flow Range: Adjustable parameters allow ±5% precision tuning for niche applications.
  2. Version Selection Guide:

    • Base Model: Ideal for standard applications (e.g., residential water meters) where cost efficiency is prioritized.
    • Advanced Model: Recommended for industrial users requiring expanded flow ranges (e.g., HVAC systems).
    • Pro Model: Best suited for extreme conditions (e.g., chemical processing plants) where ultra-precision and durability are critical.

With the Pro Model’s ±1.4% accuracy and PVC corrosion resistance, users can safely monitor aggressive fluids while maintaining reliable data transmission. Pairing the Advanced Model’s extended flow range with MODBUS compatibility streamlines integration into smart building systems.

Frequently asked questions

  • Which flow sensor model is best for industrial applications requiring RS-485 or MODBUS output?

  • How do I clean and maintain the paddle wheel of the ATP Series sensor?

  • Why choose PVC material for flow sensors over stainless steel?

  • Can the ATP Series sensor be customized for specific flow ranges or outputs?

  • Is the ATP Series sensor compliant with industrial standards for fluid measurement?

  • What makes the ATP Series suitable for corrosive liquid measurements?

  • How does the RS-485 interface benefit industrial automation systems?

  • What’s the installation process for the ATP Series in harsh environments?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionCorrosive Fluids (e.g., Chemical Plants)Industry Standard: PP (ASTM D3031)
Our Base: PVC (ASTM D1784) ▲
Our Advanced: PVC+EPDM (ASTM D2000) ▲▲▲
▲ Base: Resists 50+ chemicals (ASTM D543)
▲▲ Advanced: Withstands 100°C temp (per ISO 180)
Higher cost for Advanced versions; PVC may degrade in UV-exposed outdoor use (ASTM G154)
Communication ProtocolIndustrial Automation SystemsIndustry Standard: Analog (4-20mA)
Our Base: RS-485 (IEC 61158) ▲
Our Advanced: RS-485 + Modbus RTU ▲▲▲
▲ Base: 200m transmission range (vs 30m for analog)
▲▲ Advanced: Plug-and-play Modbus compatibility
Requires PLC support for Modbus; Base lacks encryption for secure networks
Flow Measurement RangeWater Treatment PlantsIndustry Standard: 0.5–10 L/min
Our Base: 0.3–15 L/min ▲
Our Advanced: 0.1–20 L/min ▲▲▲
▲ Base: 30% wider range than standard
▲▲ Advanced: ±0.5% accuracy at low flows (per ISO 5167)
Advanced may require recalibration for high-viscosity fluids
Environmental ResistanceOutdoor Industrial SitesIndustry Standard: IP65
Our Base: IP67 ▲
Our Advanced: IP68 ▲▲▲
▲ Base: Submersion up to 1m (30min)
▲▲ Advanced: 3m submersion (per IEC 60529)
Advanced adds weight; may need custom brackets for installation
Mounting TypeCompact Spaces (e.g., HVAC Systems)Industry Standard: Flange Mount
Our Base: DIN Rail ▲
Our Advanced: Modular Snap-Fit ▲▲▲
▲ Base: Saves 40% space vs flange
▲▲ Advanced: Quick-install (30sec) without tools
Base requires drilling; Advanced lacks compatibility with legacy systems
Power SupplyRemote Sensor NetworksIndustry Standard: 12–24V DC
Our Base: 8–36V DC ▲
Our Advanced: Solar-Powered (12V) ▲▲▲
▲ Base: 3x longer battery life
▲▲ Advanced: Off-grid operation (up to 10m resolution)
Advanced requires solar panel installation; Base lacks surge protection

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