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COMPANY PROFILE
PRODUCT
Thermocouples
Resistance temperature detectors
Accessories for temperature sensors
Special sensors
• Special sensors
• For Iron steel
• For LNG Tank
• For Other Applications
• For Petrochemical
• For Power generation
• For Semiconductor
• Thermal Power Plant
Microheaters
Other products
Temperature calibration service
Traceability service
Contact


Yamari Vietnam Didtributor: 

NTD TECHNICAL AND INDUSTRIAL EQUIPMENT TRADING JSC
Work Office: No 9, 651/82/3 Minh Khai street- Hai Ba Trung Dist. Hanoi Vietnam
Add: No.08, Group 20, Phuc Loi Ward, Long Bien District, Ha Noi, Vietnam
Tel: 0989.649.965 - Fax: +8424 36370053
Email:  sales@yamari.com.vn

 

Special sensors
For Power generation
 Waterwall Tubeskin Thermocouple
Chemical cleaning to remove scale from inner surface of boiler tubes has periodically been conducted to prevent accidents of overheating, hydrothermal eruption and blowout breakage. In order to minimize the cleaning frequency, appropriate grasp of timing of the chemical cleaning is important, and accurate temperature measurement of waterwall tubes is required. “Embedded-in-Grooves” type waterwall tubeskin thermocouples, co-developed with the Central Research Institute of Electric Power Industry in Japan for high durability, accuracy and workability, have been widely used by customers.



Measurement Accuracy
Fig.1 shows the "Embedded in Grooves"
type thermocouple measured in agreement
with the actual tube surface temperature
and two other types of thermocouples,type I
and type II ,measured much higher than that.

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