Four-wire RTD temperature sensor

Product Description

The four wire RTD is a high-accuracy resistance temperature detector sensor designed for precision temperature measurement in demanding environments. By using a 4 wire RTD configuration, lead wire resistance is completely eliminated from the measurement loop, ensuring extremely accurate and stable temperature readings.

This 4 wire RTD probe is available with PT100 or PT1000 sensing elements and is widely used as an RTD thermometer or RTD temp sensor in applications where high precision and fast response are critical. With a stainless steel probe, customizable dimensions, and high-temperature Teflon cable options, it is an ideal resistance temperature transducer for industrial, medical, and new energy equipment.

Product Features

• High Accuracy Measurement
  Four wire RTD structure eliminates lead resistance error

• Fast Response Time
  Optimized probe design enables rapid thermal conduction

• Flexible Installation
  Compact probe structure supports easy and convenient installation

• Wide Sensor Options
  Supports PT100 and PT1000 resistance temperature detector elements

• Durable Probe Construction
  304 stainless steel probe ensures corrosion resistance and long service life

Product Advantages

• Superior Measurement Precision
  Compared with 2-wire and 3-wire designs, the four wire RTD provides the highest measurement accuracy

• Excellent Signal Stability
  Ideal for long-distance signal transmission with minimal error

• Customizable Configuration
  Probe size, length, wiring type, and cable material can be customized

• Broad System Compatibility
  Compatible with most resistance temperature transducer, temperature controllers, and data acquisition systems

Product Parameters

• Sensor Type: PT100 / PT1000

• RTD Configuration: 4 Wire RTD (3-wire optional)

• Sensor Accuracy:Class A，Class B，Class 1/3 B (Optional)

• Temperature Range: -50 ~ +250℃

• Lead Wire: 3-wire / 4-wire high-temperature Teflon cable (customizable)

• Probe Material: 304 Stainless Steel

• Probe Diameter: φ2.5mm / φ3mm / φ4mm / φ5mm / φ6mm (Customizable)

• Probe Length: 50mm / 100mm / 150mm / Customized

Applications & Usage Scenarios

This 4 wire temperature probe is widely used in precision temperature measurement systems, including:

• Industrial Automation Equipment
  Process control systems, automated machinery, precision instruments

• Medical Equipment
  Diagnostic devices, laboratory instruments, medical temperature monitoring

• New Energy Equipment
  Battery systems, energy storage units, power electronics, EV thermal management

• Calibration & Measurement Systems
  High-precision RTD thermometer and reference temperature measurement

FAQ 

Q1: What is a four wire RTD?

A four wire RTD uses four leads to completely eliminate lead wire resistance, providing the highest accuracy among RTD configurations.

Q2: What is the difference between 3-wire and 4-wire RTD sensors?

A 4 wire RTD offers superior accuracy and is preferred for laboratory, calibration, and high-precision industrial applications.

Q3: Can I choose between PT100 and PT1000?

Yes, both PT100 and PT1000 resistance temperature detector sensors are available based on accuracy and system requirements.

Q4: Is this RTD temp sensor compatible with temperature transmitters?

Yes, it works with most resistance temperature transducer and RTD transmitters on the market.

Q5: Can probe size and cable type be customized?

Absolutely. Probe diameter, length, cable material, and wiring configuration can all be customized.