Thermocouple and resistor for oil & chemical industry
Assembled explosion-proof thermocouple, thermal resistance
Assembled explosion-proof thermocouple, thermal resistance
所属分类：Thermocouple and resistor for oil & chemical industry
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产品概述

  Assembled explosion-proof thermocouple, thermal resistance designed according to explosion-proof standard GB3836 of the International Electrotechnical Commission IEC standard ,the use of two-chamber explosion-proof structure, the replacement of measurement components is simple, safe and reliable.


  Explosion-proof mark d Ⅱ BT4, apply to below Ⅱ B, ignition temperature above T4 or more, with explosive gas temperature measurement.



技术参数

1) measurement range and tolerance

Type

Graduation

Protection tube material

measuring range

℃

Temperature measurement component level and tolerance

Ⅰ

Ⅱ

Ni-Cr – Ni-Si

K

06Cr18Ni11Ti

-40～850

±1.5℃ or

±0.4%∣t∣

±2.5℃ or

±0.75%∣t∣

1Cr25Ni20

0～1000

GH30Alloy

0～1100

3YC-52Alloy

Single0～1200

Double branch0～1100

Ni-Cr – Cu-Ni

E

06Cr18Ni11Ti

Single-40～650

Double branch-40～550

 PtResistor

Pt100

06Cr18Ni11Ti

0Cr18Ni12Mo2Ti

-200～500

A

±（0.15+0.002∣t∣）℃

B

±（0.30+0.005∣t∣）℃

CuResistor

Cu50

-50～100

—

±（0.30+0.006∣t∣）℃

2) the form and depth of insertion

Junction Box

Fixed device form

Protection tube

Nominal pressure

MPa

Insertion depth

Mm

Code

Name

Code

Name

type

End form

4

Alloy Anti-Explosion Junction Box

1

Non-Fixed

φ16

φ12

Straight

Atmospheric pressure

100,150,

200,250,

300，400

500,750

1000

When the thermal resistance protection tube diameter isφ16, increase

1500And2000two types

 

2

Fixed Threaded

10

3

Movable flange

Atmospheric pressure

4

Fixed flange

Depending on flange form