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TracWater TW-4746A Digital pH Sensor

What's In The Box

  • TW-4746A pH Sensor

  • 10m Cable (default), Customisable

  • User Manual

  • Delivery Inspection Report

Applications

Environmental Monitoring:
Surface Water: Monitoring the pH of lakes, rivers, and reservoirs to assess water quality.
Groundwater: Ensuring the safety and quality of groundwater resources.

Water Treatment:
Drinking Water: Monitoring and controlling the pH during water treatment processes to ensure safe drinking water.
Wastewater: Managing the pH of wastewater to comply with environmental regulations.

Industrial Processes:
Chemical Manufacturing: Monitoring pH in chemical processes to ensure product quality and safety.
Food and Beverage: Ensuring the pH of products meets quality standards.

Agriculture:
Soil pH: Monitoring soil pH to optimise crop growth and nutrient availability.
Hydroponics: Managing the pH of nutrient solutions in hydroponic systems.

Water Quality Sensors

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TracWater TW-4746A Digital pH Sensor

Model number: TW-4746A
Power: 0.3W
Dimension: Φ28mm*194mm (No protective cover)
Customise: OEM, ODM

Product description:
TracWater TW-4746A Digital pH sensor adopts a robust industrial-grade online electrode and an integrated temperature sensor for automatic temperature compensation, rendering it highly suitable for long-term online monitoring applications. It features an RS485 communication interface and supports the standard MODBUS protocol, enabling networking and system integration without the need for an external controller

Overview

TracWater TW-4746A Digital pH sensor adopts a robust industrial-grade online electrode and an integrated temperature sensor for automatic temperature compensation, rendering it highly suitable for long-term online monitoring applications. It features an RS485 communication interface and supports the standard MODBUS protocol, enabling networking and system integration without the need for an external controller. The TW-4746A pH probe is extensively utilised in various fields, including water quality treatment, hydrological monitoring, wastewater management, swimming pools, industrial control systems, and biological applications.

Features

  • Digital sensor with RS-485 output and MODBUS protocol support. 

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  • Requires no electrolyte, exhibits strong resistance to interference, and eliminates the need for frequent calibration.

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  • Includes an integrated temperature sensor with automatic temperature compensation functionality.

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  • Utilises high-performance industrial-grade online electrodes designed for reliable operation over extended periods.

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  • All calibration data is stored directly in the sensor, enabling on-site installation and immediate use.

Specifications

Name

pH sensor

Model

TW-4746A

Measuring principle

Glass electrode method

Range

0-14 pH

Accuracy

±0.02 pH

Resolution

0.01

Housing IP Rating

IP68

Maximum water depth

30m

Temperature Range

0 ~ 50℃

Sensor Interface

Supports RS-485, MODBUS protocol

Power Requirements

0.3W ( DC 12~24V，current ≥1A)

Size

Φ28mm*194mm

Probe cable length

10m (default), customisable

Body Material

POM+Ti

Calibration

Two-point or three-point calibration

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