Description
Industrial & Marine Thermometer, Temperature Range 0 to 600°C, 100 mm Stem After Thread, 1/2″ BSP (M) Connection
Heavy-Duty Industrial & Marine Thermometer for High Temperature Measurement
The “Ji” Japsin Instrumentation Industrial & Marine Thermometer is a premium-quality mechanical temperature measuring instrument engineered for precise monitoring of high-temperature industrial and marine processes. Designed with a temperature range of 0 to 600°C, 100 mm stem after thread, and a 1/2″ BSP (Male) process connection, this thermometer delivers reliable, accurate, and maintenance-free temperature indication in demanding operating environments.
Built using a rugged brass body with a precision liquid-filled glass thermometer element, this instrument is ideal for continuous temperature monitoring in boilers, steam pipelines, furnaces, heat exchangers, thermal oil systems, marine engines, process vessels, chemical plants, power plants, textile industries, and various industrial heating applications.
Unlike electronic temperature sensors that require transmitters, wiring, or power supplies, this Industrial & Marine Thermometer operates completely mechanically, providing dependable temperature indication even during power failures. Its robust construction and easy-to-read vertical scale make it one of the most trusted temperature measuring instruments for industrial process control.
Designed for High Temperature Industrial Applications
High-temperature processes require reliable and accurate temperature monitoring to maintain process efficiency, product quality, and equipment safety. The Ji Japsin Industrial & Marine Thermometer is specifically designed to withstand harsh industrial operating conditions while providing continuous temperature indication.
Its rugged mechanical design makes it suitable for environments involving:
- High operating temperatures
- Continuous industrial production
- Steam service
- Marine engine rooms
- Process heating equipment
- Thermal oil circulation
- Boiler installations
- Heavy industrial machinery
The thermometer provides dependable performance even in demanding industrial environments where durability and long service life are essential.
Wide Temperature Range: 0°C to 600°C
This thermometer measures temperatures from 0°C to 600°C, making it suitable for a wide variety of medium and high-temperature industrial applications.
Temperature Range
- Minimum Temperature: 0°C
- Maximum Temperature: 600°C
The extended temperature range makes this thermometer ideal for:
- Steam systems
- Industrial furnaces
- Boilers
- Heat exchangers
- Dryers
- Kilns
- Chemical reactors
- Thermal fluid systems
- Process heaters
- Manufacturing equipment
Its broad measuring capability enables a single instrument to serve multiple industrial applications.
High Visibility Vertical Temperature Scale
The thermometer features a clearly marked vertical temperature scale with bold graduations for quick and accurate temperature reading.
Benefits
- Easy-to-read scale
- Fast operator response
- Excellent visibility
- Reduced reading errors
- Suitable for production environments
- Convenient routine inspection
The large temperature markings allow operators to monitor process temperatures quickly without interrupting production.
Rugged Industrial Construction
The “Ji” Japsin Instrumentation Industrial & Marine Thermometer is manufactured using durable materials to provide long-term reliability under continuous industrial service.
Construction Advantages
- Heavy-duty body
- Excellent mechanical strength
- Long operational life
- Corrosion resistance
- Reliable sealing
- Industrial-grade durability
The rugged construction enables the thermometer to withstand vibration, heat, moisture, and continuous operation.
100 mm Stem After Thread
The thermometer is supplied with a 100 mm sensing stem after the threaded connection, allowing deeper insertion into pipelines, tanks, and process equipment.
Advantages
- Improved temperature sensing
- Better immersion depth
- Higher measurement accuracy
- Suitable for larger pipelines
- Ideal for industrial vessels
The extended stem ensures the sensing element reaches the optimum measuring point within the process medium.
Standard 1/2″ BSP Male Connection
The thermometer features a 1/2″ BSP (Male) threaded process connection for easy installation.
Benefits
- Standard industrial fitting
- Easy replacement
- Leak-resistant installation
- Wide equipment compatibility
- Secure mounting
The BSP thread allows quick installation into thermowells, tanks, process pipelines, and machinery.
Mechanical Temperature Measurement
This thermometer operates using a mechanical liquid expansion principle.
As temperature changes, the liquid inside the sensing element expands and contracts, providing direct temperature indication without electricity.
Advantages
- No power supply required
- No batteries
- No electronic circuitry
- Continuous operation
- Maintenance-free performance
- Reliable industrial measurement
Mechanical thermometers remain one of the most dependable temperature measurement solutions for industrial processes.
Suitable for Marine Applications
Marine environments expose instruments to constant vibration, humidity, temperature fluctuations, and corrosive conditions.
The “Ji” Japsin Instrumentation Marine Thermometer is widely used onboard:
- Cargo vessels
- Passenger ships
- Fishing boats
- Offshore platforms
- Marine engines
- Auxiliary machinery
- Cooling systems
- Boiler installations
Its rugged construction ensures dependable performance even under harsh marine operating conditions.
Industrial Applications
The “Ji” Japsin Instrumentation Industrial & Marine Thermometer is suitable for numerous industrial sectors.
1. Boiler Industry
Measures boiler water, steam outlet, and heating system temperatures.
2. Steam Distribution Systems
Monitors steam pipeline temperatures for efficient heat transfer.
3. Chemical Industry
Suitable for reactors, storage tanks, and heat exchangers.
4. Oil & Gas Industry
Used in thermal oil systems and processing equipment.
5. Power Generation
Measures temperatures in auxiliary systems and boiler plants.
6. Textile Industry
Monitors dyeing, washing, drying, and finishing equipment.
7. Food Processing Industry
Suitable for cooking, heating, sterilization, and utility systems.
8. Pharmaceutical Industry
Measures utility temperatures and process heating applications.
9. HVAC Industry
Used in heating water systems and industrial heating plants.
10. OEM Equipment
Installed in industrial machinery, heaters, furnaces, and process equipment.
Easy Installation
The thermometer is designed for quick installation into industrial piping systems.
Installation simply requires threading the 1/2″ BSP Male connection into a compatible thermowell or threaded process connection.
The 100 mm sensing stem allows proper immersion into the process media, ensuring accurate temperature measurement.
The mechanical design eliminates the need for electrical wiring, transmitters, or controllers.
Low Maintenance Operation
One of the biggest advantages of this Industrial & Marine Thermometer is its virtually maintenance-free operation.
Routine maintenance typically involves:
- Cleaning the scale
- Visual inspection
- Checking threaded connections
- Periodic calibration verification if required
Because there are no electronic components, maintenance costs remain extremely low throughout the instrument’s service life.
Long Service Life
Every “Ji” Japsin Instrumentation thermometer is manufactured using precision engineering techniques and strict quality standards.
The thermometer offers:
- Stable temperature indication
- Excellent repeatability
- Rugged industrial construction
- Long calibration stability
- Reliable continuous performance
- Extended operational life
Its durable design ensures dependable operation even in demanding industrial applications.
Benefits of Using “Ji” Japsin Instrumentation Industrial & Marine Thermometer
- Accurate temperature measurement
- Wide 0–600°C measuring range
- Heavy-duty industrial construction
- Easy-to-read vertical scale
- Mechanical operation without electricity
- Standard 1/2″ BSP Male connection
- 100 mm sensing stem
- Suitable for industrial and marine use
- Corrosion-resistant construction
- Low maintenance
- Long service life
- Easy installation
- Cost-effective temperature monitoring
Why Choose “Ji” Japsin Instrumentation Industrial & Marine Thermometer?
The “Ji” Japsin Instrumentation Industrial & Marine Thermometer is engineered to deliver accurate, dependable, and maintenance-free temperature measurement for demanding industrial and marine applications. With its 0–600°C temperature range, 100 mm sensing stem, 1/2″ BSP (Male) threaded connection, rugged brass construction, and easy-to-read vertical scale, it offers exceptional performance in high-temperature environments.
Whether installed in boilers, steam lines, furnaces, thermal oil systems, heat exchangers, marine engines, chemical plants, power stations, textile mills, HVAC systems, or industrial process equipment, this thermometer provides reliable temperature indication, long service life, and outstanding durability. It is an ideal solution for engineers, plant operators, OEM manufacturers, and maintenance professionals seeking a high-quality industrial and marine thermometer for continuous process temperature monitoring.
Japsin Instrumentation – Since 1974


Anushka Rao –
Good quality
Aayush Choudhury –
Good Product
Hrishaan Choudhury –
Nice Product