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  • High Accuracy 2 in 1  RS485 Modbus Water pH EC Meter Digital Online pH EC Sensor Agriculture Hydroponics
High Accuracy 2 in 1  RS485 Modbus Water pH EC Meter Digital Online pH EC Sensor Agriculture Hydroponics

High Accuracy 2 in 1 RS485 Modbus Water pH EC Meter Digital Online pH EC Sensor Agriculture Hydroponics

$93.04-$162.99/ Piece|1 Piece/Pieces(Min. Order)

Customization:

Customized logo(Min.Order: 50 pieces)
Customized packaging(Min.Order: 200 pieces)
Graphic customization(Min.Order: 500 pieces)

High Accuracy 2 in 1 RS485 Modbus Water pH EC Meter Digital Online pH EC Sensor Agriculture Hydroponics

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Dual Measurement: High Accuracy 2-in-1 pH and EC sensor module with RS485 Modbus protocol, enabling simultaneous measurement of pH (0-14 range, 0.01 resolution/accuracy) and electrical conductivity (EC) in liquids.
  • Real-Time Monitoring: Designed for continuous, precise data transmission via RS485 interface, ideal for automated systems requiring online pH/EC tracking in solutions.

Key features

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Product details

High Accuracy 2 in 1  RS485 Modbus Water pH EC Meter Digital Online pH EC Sensor Agriculture Hydroponics

The High Accuracy 2-in-1 RS485 Modbus Water pH/EC Meter is a compact, dual-function sensor module designed for precise online measurement of pH and electrical conductivity (EC) in water solutions. Built with durable plastic housing and a stainless steel probe, it supports RS485 Modbus communication for seamless integration into automation systems. Ideal for agriculture, hydroponics, and industrial processes, this sensor ensures reliable performance in diverse environments.

Technical specifications

FeatureSpecificationBenefit
Accuracy±0.01pHEnsures high precision for critical processes
Measuring Range0-14pH / 0-20mS/cm (EC)Covers broad applications from acids to bases
Resolution0.01pH / 0.01mS/cmDetects subtle changes in solution properties
MaterialPlastic housing + Stainless Steel probeResists corrosion and environmental stress
DesignCompact, modularEasy to install in tight spaces or systems
CommunicationRS485 ModbusEnables real-time data transmission

Customization guide

Adjustable parameters:

  • Calibration points (1-3 points) to meet specific lab or field standards.
  • Probe material (stainless steel/titanium) for compatibility with corrosive solutions.
  • Wiring length (customizable up to 5m) to fit installation constraints.

Get inspired

With dual pH/EC sensing in one module, streamline water quality monitoring in hydroponic farms or industrial tanks. The RS485 interface allows integration into IoT systems for automated alerts and data logging.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
pH Accuracy±0.1pH±0.05pH±0.01pH
EC Range0-20mS/cm0-50mS/cm0-200mS/cm
DurabilityStandard+20% corrosion resistance+50% *
Auto-CalibrationManual onlySemi-automatedFully automated

Supplier's note

  1. Technical Breakthroughs:

    • 0.01pH Resolution: Delivers lab-grade precision for sensitive applications like pharmaceuticals.
    • Dual Sensor Integration: Reduces equipment costs by combining pH/EC measurement in a single unit.
    • RS485 Modbus Protocol: Enables 20% faster data transmission compared to analog sensors, ideal for real-time systems.
  2. Version Selection Guidance:

    • Base Model: Suitable for basic agricultural monitoring (e.g., soil nutrient testing).
    • Advanced Model: Recommended for industrial users requiring frequent recalibration (e.g., chemical processing).
    • Pro Model: Best for research labs or harsh environments (e.g., seawater analysis), with triple the industry-standard corrosion resistance.

With the Pro version’s expanded EC range (0-200mS/cm), you can monitor hypersaline solutions without cross-contamination. Pair its titanium probe with automated calibration to cut maintenance time by 30% in continuous operations.

Frequently asked questions

  • Which pH and EC sensor is best for hydroponics and agriculture applications?

  • How do I clean and maintain the pH probe of the High Accuracy 2 in 1 RS485 Modbus sensor?

  • Why is the plastic housing of the pH EC sensor better than stainless steel for outdoor use?

  • Can the RS485 Modbus pH EC sensor integrate with existing industrial monitoring systems?

  • Is the High Accuracy pH EC sensor certified for food-grade water quality monitoring?

  • What is the maximum measurement range and resolution of the 2 in 1 pH EC sensor?

  • How does the RS485 Modbus protocol enhance industrial pH monitoring?

  • Does the pH EC sensor require frequent calibration in hydroponic systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Measurement AccuracyLab testing, industrial quality controlIndustry Standard: ±0.1pH (ISO 9001)
Our Base: ±0.01pH (ASTM E70)
Our Advanced: ±0.005pH (NIST traceable)▲
▲ Higher precision for critical applications (e.g., pharmaceuticals)Advanced version requires frequent recalibration (every 24hrs)▲
Sensor MaterialHarsh chemical environmentsIndustry Standard: Plastic (IP65)
Our Base: Reinforced plastic (IP67)▲
Our Advanced: 316 stainless steel (IP68)▲▲
▲ Resists corrosion; ▲▲ Withstands extreme pH levels (0-14)Advanced material increases cost by ~40%▲▲
Dual FunctionalityAgriculture/hydroponics monitoringIndustry Standard: Separate pH/EC sensors required
Our Base/Advanced: Integrated pH+EC module▲
▲ Reduces setup time by 50%; simplifies data loggingLimited to fixed measurement points (not wireless)
Communication ProtocolIoT-enabled systemsIndustry Standard: Analog output
Our Base: RS485 Modbus▲
Our Advanced: RS485 + Bluetooth 5.0▲▲
▲ Direct integration with PLC systems; ▲▲ Mobile app connectivity▲▲Advanced requires gateway for legacy systems▲▲
Measurement RangeWastewater treatmentIndustry Standard: 0-14pH (basic stability)
Our Base/Advanced: 0-14pH with ±1% EC accuracy▲
▲ EC stability at extreme pH levels (verified via ASTM F2130)▲Narrow EC range (<20,000 µS/cm) may limit industrial use▲
Environmental ResistanceOutdoor/industrial settingsIndustry Standard: Operating temp 0-50°C
Our Base: -10°C to 60°C▲
Our Advanced: -20°C to 70°C▲▲
▲▲ Functions in freezing environments (e.g., cold storage monitoring)▲▲Advanced version requires desalination pre-treatment for saltwater use▲▲

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