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Waterproof PT100 RTD Sensor 2/3/4 Wires Industrial Control

HIGHJOIN WZP series is PT100 temperature sensors, it's widely used in industrial and scientific applications for precise temperature measurement. They are resistance temperature detectors (RTDs) made from pure platinum, which provides excellent stability and accuracy. The sensor operates based on the principle that the resistance of platinum increases with temperature; specifically, a PT100 has a resistance of 100 ohms at 0°C.

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Overview

HIGHJOIN WZP Series is a professional industrial-grade waterproof PT100 RTD sensor, purpose-built for high-precision temperature measurement in industrial and scientific applications. As a premium resistance temperature detector crafted from high-purity platinum, this sensor delivers exceptional long-term stability and measurement accuracy, with a standard resistance of 100 ohms at 0°C, fully compliant with IEC 60751 international standards. It supports flexible 2-wire, 3-wire and 4-wire configurations, with single or duplex output options, a wide operating temperature range of -200℃ to 850℃, and fully customizable mechanical specifications. It is the trusted solution for industrial process control, liquid and gas temperature monitoring, and critical thermal measurement scenarios for engineering teams and industrial facility operators.

Waterproof PT100 RTD Sensor 2/3/4 Wires Industrial Control

Key Benefits

High Precision & Stable Performance for Demanding Industrial Control

Our PT100 RTD sensors deliver a typical measurement accuracy of ±0.1℃, with Class A and Class B precision options available to match your project requirements. The high-purity platinum sensing element ensures excellent linearity across the full -200℃ to 850℃ temperature range, with minimal drift during long-term operation. This reduces frequent calibration cycles, eliminates unplanned downtime, and guarantees consistent, reliable temperature data for your industrial automation and control systems, even in continuous operation scenarios.

Flexible 2/3/4 Wire Configurations for Versatile Installation

We offer full wiring configuration options to adapt to your on-site installation and measurement needs, eliminating compatibility barriers for system integration:

2-Wire Configuration: The most cost-effective and compact solution, ideal for short-distance installation, low-budget projects, and non-critical temperature monitoring scenarios with minimal lead length.

3-Wire Configuration: The industry standard for industrial field applications, featuring built-in lead wire resistance compensation to cancel out measurement errors caused by wire resistance, delivering reliable precision for most general industrial control systems.

4-Wire Configuration: The highest precision option, using two separate pairs of wires to completely eliminate the impact of lead resistance on measurement results. It is the preferred choice for laboratory metering, high-precision calibration, and critical process control where absolute measurement accuracy is non-negotiable.

Waterproof & Harsh Environment Resistance for Industrial Field Use

Engineered for tough industrial operating conditions, this sensor features a rugged waterproof junction box and IP67/IP68 optional ingress protection, with a corrosion-resistant probe available in SS304 or SS316L stainless steel. It withstands high humidity, vibration, and mild corrosive environments, making it suitable for long-term stable operation in both indoor and outdoor industrial sites, and compatible with liquid, gas, and steam measurement media without frequent maintenance or replacement.

Fully Customizable Solutions for Diverse Industrial Project Needs

We understand that every industrial application has unique requirements, so our WZP series PT100 sensors are fully customizable to fit your exact specifications. Our engineering team can tailor the process connection (thread, tri-clamp, flange), probe insertion depth, probe diameter (standard φ6mm, φ8mm, or custom sizes), temperature range, and output type to match your equipment and on-site conditions. This eliminates the need for secondary modification, shortens your project implementation cycle, and provides a seamless fit for your existing control systems, whether you are a system integrator, OEM manufacturer, or industrial procurement team.

Industrial Applications of WZP Series PT100 RTD Sensors

This industrial PT100 RTD sensor is designed to meet the thermal measurement needs of a wide range of industrial sectors, with tailored options for each application scenario:

Industrial Process Control & Factory Automation

Ideal for production line temperature monitoring, automated process control, and equipment thermal protection in manufacturing facilities, delivering real-time, accurate temperature data to keep your production running smoothly and safely.

Chemical & Petrochemical Processing

SS316L corrosion-resistant probe options are available for chemical production, oil and gas processing, and corrosive medium measurement, with rugged construction to withstand harsh chemical environments.

Food & Beverage Production

Sanitary tri-clamp connection options meet hygienic industry requirements, suitable for temperature monitoring in brewing, dairy processing, food cooking, and cold chain storage, ensuring compliance with food safety standards.

HVAC & Building Management Systems

Reliable performance for heating, ventilation, air conditioning, and building energy management systems, helping facility operators optimize energy efficiency and maintain consistent environmental control.

Pharmaceutical Manufacturing & Laboratory Measurement

High-precision 4-wire configuration options meet the strict measurement requirements of pharmaceutical production, laboratory research, and calibration equipment, delivering traceable, accurate temperature data for compliance-critical scenarios.

Power Generation & Energy Systems

Suitable for temperature monitoring in power plants, renewable energy systems, and thermal energy equipment, with a wide temperature range to adapt to extreme operating conditions in energy production.

Water & Wastewater Treatment

Waterproof and corrosion-resistant design for temperature monitoring in water treatment plants, sewage treatment systems, and pumping stations, with long-term stable performance in humid outdoor environments.

FAQ

What is the difference between 2-wire, 3-wire and 4-wire PT100 RTD sensors?

2-wire sensors are the simplest and lowest cost, but are susceptible to lead resistance errors, making them best for short-distance, non-critical applications. 3-wire sensors compensate for lead resistance, delivering reliable accuracy for most industrial field installations. 4-wire sensors completely eliminate lead resistance effects, providing the highest precision for laboratory and critical process control applications.

What is the temperature range of HIGHJOIN WZP PT100 sensors?

Our standard PT100 sensors operate from -200℃ to 850℃, and we also offer custom temperature ranges to match your specific application needs, such as -50℃ ~ 260℃ for general industrial scenarios.

What material options are available for the PT100 sensor probe?

We offer standard SS304 stainless steel for general industrial use, and SS316L stainless steel for corrosive environments, food and beverage applications, and chemical processing scenarios.

Can I customize the insertion depth and process connection of the PT100 sensor?

Yes, our WZP series sensors are fully customizable. We can tailor the probe insertion depth, process connection type (thread, tri-clamp, flange), probe diameter, and other mechanical specifications to fit your exact equipment and installation requirements.

What standard do your PT100 RTD sensors comply with?

All our PT100 sensors are manufactured in compliance with IEC 60751 international standards for platinum resistance temperature detectors, with traceable calibration and consistent performance across the full temperature range.


Measuring medium

Liquid,gas

Temperature range

-200~850 ℃

Measuring element

single PT100, 2-WIRE, 3-WIRE, 4-WIRE

double PT100, 2-WIRE,3-WIRE, 4-WIRE

Ambient temperature

-25...80℃

Storage temperature

-40...100℃

Rod material

SS304, ss316

Process connection

customized

Insertion depth

customized

Probe diameter

φ6mm, φ8mm or customized

Electrical connection

M20 cable gland


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