Armoured Explosion-proof Thermocouple of Temperature Transmitter

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seat: Beijing
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Last update: 2017-12-03 17:54
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Armoured Explosion-proof Thermocouple of Temperature Transmitter Summary


· Protection pipe and the measuring element is a separate type structure, can quickly change the temperature measuring element, don't stop to repair.


· Protection tube type and diverse materials, which can meet the high pressure, high temperature and strong corrosion medium temperature measurement needs.


· Temperature core and a protective tube at the bottom of the spring is compressed, can reduce the thermal inertia and improves the shockproof performance.


· The armoured element, pressure, seismic, stable and reliable work.


· Explosion-proof mark: D Ⅱ BT6, D Ⅱ CT6 (excluding acetylene) and IA Ⅱ CT6, suitable for level II, temperature classes for T1~T6, temperature measurement with explosive gas environment.


Technical Characteristics and Specifications of Armoured Explosion-proof Thermocouple


This series of products in line with national standards GB3836.1, GB3836.2, GB3836.4, according to the relevant provisions of the explosion-proof standards and requirements of the design and manufacture, the performance indicators in line with JB/T8622-1997, JB/T8623-1997, GB/T18404-2001 standards, and by the national explosion-proof electrical product quality supervision and inspection center and the National Instruments explosion-proof safety supervision and inspection station approval, obtain explosion-proof certificate. User note temperature groups must be on-site surface temperature and install the corresponding in the selection of explosion-proof level


Varieties, measuring range and tolerance


 

Thermal resistance


 

variety

Division

No.

Resistance

value

Protection

tube material

measuring

range


 

Allowance error

Depth of immersion

grade


formula

Platinum

resistance


 

Pt100

100±0.06


100±0.12

1Cr18Ni9Ti

200~550

A

±(0.15+0.2%|t|)

75,100,150, 200,250,300,

400,500,600,

750,1000


 


B

±(0.3+0.5%|t|)

Copper

resistance


 

Cu50

Cu100

50±0.06

100±0.12

50~100


 

±(0.3+0.6%|t|)±(0.3+0.6%|t|)


 


 

An explosive mixture of classification

variety

Division No.

Protection

tube material

measuring range

the material level and

the allowed value

Depth of

immersion

Chromium - nickel silicon


X

1Cr18Ni9Ti

40~850

±1.5℃

/

±0.4%|t|


 

±0.5℃

/

±0.4%|t|


 

150、 200

250、 300

400、 500

600、 750

1000、1250

1500、2000


 

Nickel-chromium - Kang Tong


E

Single ­ 40~650

Double-40~550


 

Iron - Kang Tong


J

Single ­ 40~600

Double-40~450


 

Copper - Kang Tong


T

Single ­ 40~400

Double-40~300


 

±0.5℃

/

±0.4%|t|


 


±1℃


/


±0.75%|t


 

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