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Platinum Resistance Bulb Temperature Sensor | Meiyo Electric PTR-SB (High Temperature)

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Precision and Stability with Platinum Resistance Bulb Temperature Sensor

The Meiyo Electric PTR-SB Platinum Resistance Bulb Temperature Sensor (High Temperature) delivers exceptional accuracy and stability under extreme environments. Engineered for marine and industrial applications, this Japanese-made sensor ensures reliable temperature monitoring even at continuous operating temperatures up to 700°C.


Coiled temperature sensor with labeled diagram on blue background. Text: "Temperature Sensor | Platinum Resistance Bulb (High Temperature) PTR-SB." Logo present.
The Meiyo Electric PTR-SB Platinum Resistance Bulb is designed for precise high-temperature monitoring, ideal for both marine and industrial applications. Featuring robust construction and accurate sensing capabilities, it ensures reliable performance in demanding environments.

Exceptional Performance of the Platinum Resistance Bulb Temperature Sensor

The PTR-SB Platinum Resistance Bulb Temperature Sensor is designed for exhaust gas and steam temperature measurement in marine diesel engines. Its platinum wire elements, integrated into an aluminum oxide bobbin, provide high mechanical strength and thermal endurance similar to thermocouples.

Key Features

  • High-Temperature Endurance: Continuous operation up to 700°C for extreme environments.

  • Marine-Grade Design: Ideal for ship engine exhaust gas applications.

  • High Accuracy: Equipped with a Pt100Ω element, offering Class B precision.

  • Rugged Build: Made with SUS304 stainless steel for corrosion resistance.

  • Multiple Configurations: Length options (100 / 120 / 150 mm) with G3/4 or M24 plug threads.

  • Stable Connection: 3-wire setup and cable terminal for consistent signal transmission.

Technical Specifications – Platinum Resistance Bulb Temperature Sensor

Parameter

Specification

Nominal Resistance (at 0°C)

Pt100Ω

Rated Current

2 mA

Class

Class B

Operating Temperature Range

0 – 700°C

Tube Material (Standard)

SUS304

Connection Type

3 Wire

Protection Tube

Single

Terminal Type

Cable

Available Lengths (mm)

100 / 120 / 150

Diameter (mm)

12

Thread Type

G3/4, M24

Application

Exhaust Gas, Diesel Engine

Why Choose Meiyo Electric’s PTR-SB Platinum Resistance Bulb Temperature Sensor?

The PTR-SB excels in accuracy, strength, and durability under continuous high-temperature conditions. Its platinum resistance bulb technology guarantees stable readings, making it ideal for marine engines, power plants, and industrial facilities that demand long-term temperature reliability.

For more technical insights and product visualization:

🔗 View Technical Drawing Details – Explore precise dimensional drawings and engineering schematics of the PTR-SB sensor. 🔗 Open Full Product Catalog – Access the complete Meiyo Electric sensor catalog for specifications and related models.

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