Description
Industrial & Marine Thermometer, Temperature Range 0 to 150°C, 40 mm Stem After Thread, 1/2″ BSP (M) Connection
Accurate Industrial & Marine Thermometer for Reliable Temperature Measurement
The “Ji” Japsin Instrumentation Industrial & Marine Thermometer is a premium-quality mechanical temperature measuring instrument designed to deliver precise, reliable, and continuous temperature monitoring in industrial and marine applications. Featuring a temperature measuring range of 0 to 150°C, 40 mm stem after thread, and a 1/2″ BSP (Male) process connection, this thermometer is engineered to withstand demanding operating conditions while providing consistent and maintenance-free performance.
Manufactured with robust industrial-grade materials and precision craftsmanship, this thermometer is ideal for monitoring temperatures in steam lines, hot water systems, marine engine cooling circuits, boilers, heat exchangers, storage tanks, process pipelines, HVAC systems, chemical plants, textile industries, food processing facilities, pharmaceutical plants, and industrial machinery.
Unlike electronic temperature sensors that require electrical power, transmitters, or digital displays, this Industrial & Marine Thermometer works on a mechanical liquid expansion principle, ensuring dependable operation even during power failures. Its simple design, rugged construction, and long service life make it one of the most trusted solutions for industrial temperature indication.
Reliable Temperature Monitoring for Industrial Processes
Temperature is one of the most critical process parameters in every industry. Maintaining the correct operating temperature improves product quality, protects equipment, reduces energy consumption, and enhances overall plant efficiency.
The “Ji” Japsin Instrumentation Industrial & Marine Thermometer provides accurate measurement across a 0 to 150°C temperature range, making it suitable for numerous medium-temperature industrial applications.
Temperature Range
- Minimum Temperature: 0°C
- Maximum Temperature: 150°C
This measuring range is suitable for:
- Steam condensate systems
- Hot water pipelines
- Boiler water circuits
- Process heating systems
- Heat exchangers
- Storage tanks
- Water treatment plants
- HVAC installations
- Marine cooling systems
- Industrial utility services
Its wide operating range enables reliable monitoring of both ambient and moderately high-temperature processes.
Clear Vertical Temperature Scale
The thermometer features a highly visible vertical temperature scale with bold graduations that provide quick and accurate readings.
Benefits
- Easy-to-read temperature markings
- Fast visual inspection
- Reduced reading errors
- Excellent visibility in industrial environments
- Convenient routine monitoring
Operators can quickly identify process temperatures without interrupting production or maintenance activities.
Rugged Industrial Construction
Designed specifically for demanding industrial environments, the “Ji” Japsin Instrumentation Industrial & Marine Thermometer offers exceptional durability and dependable performance.
Construction Features
- Heavy-duty industrial body
- High mechanical strength
- Excellent corrosion resistance
- Long operational life
- Reliable performance under continuous operation
Its robust design enables the thermometer to withstand vibration, humidity, dust, and challenging industrial conditions.
40 mm Stem After Thread
The thermometer is supplied with a 40 mm sensing stem after the threaded connection, making it suitable for compact installations where shallow immersion is required.
Advantages
- Quick thermal response
- Compact installation
- Accurate temperature sensing
- Ideal for smaller pipelines and equipment
- Efficient heat transfer
The optimized stem length provides stable and reliable temperature indication in a wide variety of industrial applications.
Standard 1/2″ BSP (Male) Connection
This thermometer is equipped with a 1/2″ BSP (Male) threaded connection, ensuring compatibility with most industrial piping systems and thermowells.
Benefits
- Easy installation
- Leak-resistant connection
- Standard industrial thread
- Secure mounting
- Suitable for replacement installations
The standard connection allows seamless integration into existing systems without additional modifications.
Mechanical Liquid Expansion Technology
The “Ji” Japsin Instrumentation Industrial & Marine Thermometer operates using a proven liquid expansion principle. As the process temperature changes, the liquid inside the sensing element expands or contracts, providing a direct and accurate temperature indication on the graduated scale.
Advantages
- No electricity required
- No batteries
- No electronic circuitry
- Continuous operation
- Highly reliable
- Virtually maintenance-free
This mechanical operation makes the thermometer ideal for installations where dependable performance is essential.
Designed for Marine Applications
Marine environments require instrumentation that can withstand constant vibration, humidity, and demanding operating conditions. The “Ji” Japsin Instrumentation Industrial & Marine Thermometer is widely used on:
- Marine engines
- Cooling water systems
- Auxiliary machinery
- Boiler installations
- Heat exchangers
- Engine room equipment
- Freshwater systems
- Utility pipelines
Its durable construction ensures dependable temperature monitoring aboard cargo vessels, fishing boats, passenger ships, offshore platforms, and other marine installations.
Suitable for Multiple Industrial Applications
The “Ji” Japsin Instrumentation Industrial & Marine Thermometer is trusted across a wide range of industries.
1. Boiler Industry
Measures hot water and steam system temperatures.
2. Chemical Industry
Monitors process temperatures in reactors, tanks, and pipelines.
3. Pharmaceutical Industry
Suitable for utility systems and controlled manufacturing processes.
4. Food & Beverage Industry
Ideal for hot water systems, cleaning processes, and production utilities.
5. HVAC Industry
Monitors heating water circulation and HVAC equipment.
6. Water Treatment Plants
Measures water temperatures during treatment and distribution.
7. Textile Industry
Used in washing, dyeing, and finishing operations.
8. Marine Engineering
Provides reliable monitoring for engine cooling and onboard utility systems.
9. OEM Equipment
Integrated into industrial machinery, heating systems, and process equipment.
Easy Installation
Installation is simple and efficient using the 1/2″ BSP (Male) threaded connection.
The thermometer can be installed directly into a threaded process connection or a compatible thermowell. The 40 mm sensing stem ensures adequate immersion into the process medium for accurate measurement.
No electrical wiring or external power source is required, significantly reducing installation time and costs.
Low Maintenance and Long Service Life
The “Ji” Japsin Instrumentation Industrial & Marine Thermometer is designed for years of reliable operation with minimal maintenance.
Routine maintenance typically includes:
- Visual inspection
- Cleaning the thermometer body
- Checking threaded connections
- Periodic calibration verification when required
Since the thermometer contains no electronic components, batteries, or digital displays, maintenance costs remain extremely low while ensuring dependable long-term performance.
Why Choose “Ji” Japsin Instrumentation Industrial & Marine Thermometer?
“Ji” Japsin Instrumentation is recognized for manufacturing precision-engineered industrial instruments that meet the needs of demanding industrial and marine environments. This Industrial & Marine Thermometer combines accuracy, durability, and simplicity in a compact and cost-effective design.
Whether used in boilers, steam systems, marine engines, hot water pipelines, HVAC plants, heat exchangers, storage tanks, chemical processing units, food manufacturing facilities, pharmaceutical plants, or industrial machinery, the “Ji” Japsin Instrumentation Industrial & Marine Thermometer provides dependable and accurate temperature indication. Its rugged construction, maintenance-free operation, and precision engineering make it a trusted choice for engineers, OEM manufacturers, maintenance professionals, and industrial operators seeking reliable temperature monitoring solutions in medium-temperature applications.
Japsin Instrumentation – Since 1974


Ishaan Kumar –
Great value
Saavi Patel –
Good Product
Navya Chatterjee –
Nice Service