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Home > Sensors > Temperature Sensor > Thermocouple

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Thermocouple, K type, Sheath

$46.15

Sheath thermocouple have shielded thermocouple wire of common length 500mm and sheath diameter Ф3~Φ8mm, with flexibility, hig

SKU: CHN-TC-KS

Free Shipping Worldwide

Delivery date: 6-12 days

Overview
Documents

As a temperature sensor, thermocouple is usually used with display instruments, recording instruments and signal conditioners. Sheath thermocouple also can be used as a temperature sensing element for assembly thermocouple.

Specification:
1. S/E/K/J/T type thermocouple temperature range and accuracy chart

Category	Type of sensing element	Sheath diameter	Normal working temperature	Highest working temperature	Allowable deviation Δt
Category	Type of sensing element	Sheath diameter	Normal working temperature	Highest working temperature	Measuring range	Permissible deviation
Platinum Rhodium 10 - Platinum	S type	≥Φ3mm	1100℃	1300℃	0~1300℃	±2.5℃ or ±0.75%t
Nickelchromium - Copper nickel	E type	≥Φ3mm	600℃	700℃	0~700℃	±2.5℃ or ±0.75%t
Nickel chromium - Nickel silicon	K type	≥Φ3mm	800℃	950℃	0~900℃	±2.5℃ or ±0.75%t
Iron - constantan	J type	≥Φ3mm	500℃	600℃	0~600℃	Not specified
Copper - Copper nickel	T type	≥Φ3mm	350℃	400℃	＜-200℃	Not specified
Copper - Copper nickel	T type	≥Φ3mm	350℃	400℃	-40~350℃	±1.0℃ or ±0.75%t

2. Thermal response time of thermocouple

Sheath diameter (mm)	Thermal response time (s)
Sheath diameter (mm)	Shell type	Insulation type
2.0	0.4	0.5
3.0	0.6	1.2
4.0	0.8	2.5
5.0	1.2	4.0
6.0	2.0	6.0
8.0	4.0	8.0

3. Thermocouple wire structure chart

4. Selection chart

Branch number	Installing form	Mode of connection	Working end form	Multipoint type	Additional device	Sheath diameter	Sheath length
B1: Single branch; B2: Double branch	I1: No fixed device; I2: Fixed card sets of thread joint; I3: Movable card sets of thread joint; I4: Fixed card sets of flange; I5: Movable card sets of flange	C0: Simple terminals; C3: Standard waterproof protection head; C4: Explosion-proof protection head; C5: Standard plug; C6: Aviation plug; C7: Handheld; C8: Small waterproof protection head; C9: Direct lead wire	W1: Insulation type; W2: Shell type; W3: Open end type	M3: 3 points; M4: 4 points; M5: 5 points; M6: 6 points	S: Sanitary chuck; H: Heat collector	D3: Φ3; D4: Φ4; D5: Φ5; D6: Φ6; D8: Φ8	Φ3: 50~15000mm; Φ4: 50~10000mm; Φ5: 50~4000mm; Φ6: 50~2000mm; Φ8: 50~1000mm

5. Thermocouple installation diagram
6. Clip sleeve threaded joint dimension

Armoured thermocouple	Φ8	Φ6	Φ5	Φ4	Φ3	Φ2 and below
Fixing device number and size
M	M16*1.5			M12*1.5
S	22			19

Tips: Advantages of sheath thermocouple
Sheath thermocouple is a solid integrity which is formulated by thermocouple wire, insulating material and metal sheath through stretching or rotary swaging. The diameter of sheath thermocouple can be processed small and long.

Thermal inertia or thermal response time of thermocouple is short. It has significant importance to modern industrial production process that adopts computer to detect and control.
It saves materials, especially precious metal, thus reducing cost.
Thermocouple has great flexibility, thus it can be applied to measure temperature of industrial production equipment with complex structure.
Long service life
Sheath thermocouple has favorable mechanical property, thus it can resist strong vibration and impact. It can be suitable for temperature measurement of production equipment with vibration and impact.
It has high pressure resistant and has favorable insulation in high temperature. Thus it is suitable for temperature measurement of equipment in industrial production process with high temperature or high pressure or both.

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