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Meiyo Electric High-Precision Temperature Sensor PTR-LN｜Platinum Resistance Bulb (Low Temperature)
- Luis Alberto Fing
- Nov 4
- 2 min read
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Reliable Temperature Monitoring with Japanese Engineering Excellence
The Meiyo Electric High-Precision Temperature Sensor PTR-LN (Platinum Resistance Bulb, Low Temperature) is a precision device engineered for dependable performance in low-temperature applications. Designed to measure and monitor the temperatures of lubricating oil, cooling water, bearings, and air across various ship engines and industrial systems, this sensor ensures stability and rapid response in demanding environments.
Product Overview: Meiyo Electric High-Precision Temperature Sensor PTR-LN
The Meiyo Electric High-Precision Temperature Sensor PTR-LN is optimized for low-temperature use, where response speed and measurement accuracy are critical. Its platinum resistance element provides excellent heat conductivity, minimizing internal heat generation and ensuring precise readings. The design features a double protection tube, maintaining the same characteristics as single-tube models while enhancing durability in harsh conditions.
Key Features
Suitable for liquid measurement (insert type)
Ideal for diesel engine exhaust gas monitoring
Excellent thermal response for low-temperature environments
Double protection tube design for extended durability
Compatible with various thread sizes and length options
Technical Specifications
Specification | Details |
Nominal Resistance (0℃) | Pt100Ω |
Current (mA) | 2 |
Accuracy Class | B |
Operating Temperature (℃) | 0–200 |
Tube Material (Standard) | SUS304 |
Connection Type | 3 Terminal |
Protection Type | Double |
Terminal Type | Terminal Box |
Available Lengths (mm) | 80, 100, 120, 150, 200 |
Diameter (φ) | 12φ, 15φ |
Plug Options | G3/4, M24, M33 |
Applications | Cooling Water (CFW), Lubricating Oil (LO), Fuel Oil (FO), Sea Water (SW) |
Applications and Benefits of Meiyo Electric High-Precision Temperature Sensor PTR-LN
The Meiyo Electric High-Precision Temperature Sensor PTR-LN Platinum Resistance Bulb offers outstanding performance in various maritime and industrial applications:
Marine Engines: Continuous monitoring of bearing and lubrication systems.
Cooling Systems: Stable control for cooling and circulating water temperatures.
Process Industries: Reliable data feedback for automation and temperature regulation.
Its precision, quick response, and robust design make it a preferred choice for professionals requiring dependable temperature monitoring under varying operating conditions.
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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