Blade type, shielded blade type armored thermocouple is mainly used for petrochemical, power, metallurgy, machinery and food industry, the furnace wall and tube surface temperature measurement. It uses the positioning card,fix the blade-shaped thermocouple of measuring terminal in the furnace wall and other parts ,through the blade change the affected temperature into a thermoelectric signal, transfer to secondary instrument and system, then begin the temperature control to ensure the safety of the furnace run.
It has a single measurement of insulation and shell-type two forms, thermocouple K, E, J, T-type optional.
技术参数
1) measurement range and tolerance
Type
Graduation
Tolerance level
levelⅠ
level Ⅱ
Temperature range
Permissible difference
Temperature range
Permissible difference
Ni-Cr – Ni-Si
K
-40～1000℃
±1.5℃
or
±0.4%∣t∣
-40～1200℃
±2.5℃
or
±0.75%∣t∣
Ni-Cr – Cu-Ni
E
-40～800℃
±1.5℃
or
±0.4%∣t∣
-40～900℃
±2.5℃
or
±0.75%∣t∣
Fe – Cu-Ni
J
-40～750℃
-40～750℃
Cu – Cu-Ni
T
-40～350℃
±1.5℃
or
±0.4%∣t∣
-40～350℃
±2.5℃
or
±0.75%∣t∣
2) models and specifications
Type
Graduation
Armor set
Measurement Scope
℃
Precision grade
Junction box form
Measuring end
diameter
Material
Form
structure
WRNKT-01DR
WRNKT2-01DR
K
φ12.7
06Cr18Ni11Ti
GH30合金
0～850
0～1100
levelⅠ
or
level Ⅱ
Waterproof box
Shell or insulated type
Blade Type
WRNKT-02DR
WRNKT2-02DR
Shield Blade Type
WRNET-01DR
WRNET2-01DR
E
06Cr18Ni11Ti
0～800
Blade Type
WRNET-02DR
WRNET2-02DR
Shield Blade Type
WRNJT-01DR
WRNJT2-01DR
J
06Cr18Ni11Ti
0～750
Blade Type
WRNJT-02DR
WRNJT2-02DR
Shield Blade Type
WRNTT-01DR
WRNTT2-01DR
T
06Cr18Ni11Ti
0～350
Blade Type
WRNTT-02DR
WRNTT2-02DR
Shield Blade Type
3) Electrical interface: single M20 × 1.5, cable diameter φ10, double support M24 × 1.5, cable diameter φ16.
4) Blade length 58, the total length according to user requirements, when the length more than 1.5m, disk supply.
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