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Home > Sensors > Temperature Sensor > Thermocouple

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Thermocouple, E type, Sheath

$46.15

E type thermocouple has the highest thermoelectric force and sensitivity in base metals. Sheath thermocouple have shielded th

SKU: CHN-TC-ES

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: How to select and connect extension wire?
Extension wire is a cheap opened thermocouple which is of the same model with field thermocouple. Its property is basically consistent with standard thermocouple. Model of field extension wire must be consistent with the installed thermocouple. And the specific model can be found from the surface of extension wire by distinguishing color of insulated leather of protective bush within extension wire. If model of extension wire is not correct, there will be errors of temperature measurement. If K type thermocouple is connected with E type extension wire, temperature displayed in the control room will be higher. In a similar way, if E type thermocouple is connected with K type extension wire, the displayed temperature will be lower.

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