High-Temperature Platinum Resistance Temperature Sensor – Meiyo Electric PTR-SD / PTR-S

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Introduction

In demanding marine environments where exhaust gas and steam temperatures can reach extreme levels, accuracy and durability are essential. The High-Temperature Platinum Resistance Temperature Sensor – Meiyo Electric PTR-SD / PTR-S offers reliable temperature measurement and monitoring under high-temperature conditions, ensuring the performance and safety of main ship engines. Designed with precision Japanese engineering, this sensor provides outstanding stability even at continuous operating temperatures up to 700℃.

High-precision platinum resistance temperature sensor by Meiyo Electric, designed for reliable monitoring of marine engine exhaust temperatures up to 700℃, featuring models PTR-SD and PTR-S.

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Engineered for Marine Applications

Developed specifically for diesel engine exhaust gas measurement, the Meiyo Electric PTR-SD / PTR-S is built to perform in harsh, vibration-prone environments. Its rugged structural design and high mechanical strength make it a preferred choice for marine and industrial users seeking long-term reliability.

Key Features

• High-Temperature Durability: Operates accurately from 0℃ to 600℃, capable of maintaining stability up to 700℃.

• Rugged Structure: Built to withstand strong vibrations typical of engine environments.

• High Accuracy & Stability: Platinum resistance element ensures precise readings and consistent performance.

• Flexible Configuration: Available in single (PTR-S) and double (PTR-SD) protective tube options.

• Corrosion Resistance: Constructed with SUS304 stainless steel tube material for enhanced durability.

• Easy Integration: 3-terminal connection and standard terminal box for straightforward installation.
  

Technical Specifications – Temperature Sensor – Meiyo Electric PTR-SD / PTR-S

Parameter	Specification
Nominal Resistance (at 0℃)	Pt100Ω
Current	2 mA
Accuracy Class	Class B
Operating Temperature Range	0℃ ~ 600℃
Continuous Stability	Up to 700℃
Tube Material	SUS304 Stainless Steel
Connection Type	3 Terminal
Protective Tube	PTR-SD: Double / PTR-S: Single
Terminal Type	Terminal Box
Length Options	100, 120, 150, 170, 200 mm
Diameter Options	PTR-SD: 23/17, 23/20, 20/17, 21 mm / PTR-S: 15, 12 mm
Application	Exhaust Gas Measurement
Threaded Plug	G3/4, M24, M33

Performance You Can Trust

The PTR-SD and PTR-S series are trusted by marine engineers worldwide for their ability to provide stable and precise temperature monitoring under harsh operational conditions. The platinum thermal resistance bulb, built with aluminum oxide bobbin and platinum wire, combines electrical accuracy with mechanical strength comparable to thermocouples, ensuring long-term dependability.

Enhance Your Engine Monitoring System

If your operation demands continuous high-temperature monitoring with exceptional precision, the Meiyo Electric Platinum Resistance Temperature Sensor (PTR-SD / PTR-S) is an ideal solution.

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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