Thermocouple, R Type, Assembly

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$1,031.92

Ex Tax: $1,031.92

Stock: In Stock
Model: RDDLZ-TC-RA
Weight: 1.00
SKU: RDDLZ-TC-RA

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As a temperature sensor, thermocouple assembly is usually used with display instruments, recording instruments and signal conditioners.

Specification

1. Thermocouple temperature range chart

Category	Type of sensing element	Relationship between wire diameter and temperature
Category	Type of sensing element	Thermo wire diameter (mm)	Long-term temperature (℃)	Short-tem temperature (℃)
Platinum Rhodium 30 - Platinum Rhodium 6	B type	Φ0.5	1600	1800
Platinum Rhodium 13 - Platinum	R type	Φ0.5	1300	1600
Platinum Rhodium 10 - Platinum	S type	Φ0.5	1300	1600
Nickel chromium silicon - Nickel silicon magnesium	N type	Φ0.3	700	800
		Φ0.5	800	900
		Φ0.8, Φ1.0	900	1000
		Φ1.2, Φ1.6	1000	1100
		Φ2.0, Φ2.5	1100	1200
		Φ3.2	1200	1300
Nickel chromium - Nickel silicon	K type	Φ0.3	700	800
		Φ0.5	800	900
		Φ0.8, Φ1.0	900	1000
		Φ1.2, Φ1.6	1000	1100
		Φ2.0, Φ2.5	1100	1200
		Φ3.2	1200	1300
Nickel chromium - Copper nickel	E type	Φ0.3	350	450
		Φ0.5	450	550
		Φ0.8, Φ1.0	550	650
		Φ1.2, Φ1.6	650	750
		Φ2.0, Φ2.5	750	900
Iron - Constantan	J type	Φ0.3, Φ0.5	300	400
		Φ0.8, Φ1.0	400	500
		Φ1.2, Φ1.6	500	600
		Φ2.0, Φ2.5	600	750
Copper - Copper nickel	T type	Φ0.2	150	200
		Φ0.3, Φ0.5	200	250
		Φ1.0	250	300
		Φ1.6	350	400

2. Thermowell application temperature range chart

Thermowell material	Long-term temperature	Short-term temperature
Corundum CT1	1600	1800
High alumina CT2	1300	1600
Nickel base wrought superalloys 3YC52	1300	1350
Nickel base wrought superalloys GH3039	1250	1320
Nickel base superalloys GH3030	1200	1250
Heat resistant stainless steel 2Cr25Ni20	1200	1250
Silicon carbide	1100	1150
Stainless steel 316L	900	950
Stainless steel 1Cr18Ni9Ti	800	900

3. Thermowell installing form (unit: mm)

4. Selection chart

Total length of thermowell (L or L*L1)	Branch number	Thermowell installing form	Protection head form	Diameter and material of thermowell
300~2150mm (for I1, I2, I3, I4); 500500mm, 750500mm, 750*750mm (for I5); 225~450mm (for I6)	B1: Single branch; B2: Double branch	I0: No thermowell; I1: No fixed device; I2: Fixing thread; I3: Movable flange; I4: Fixed flange; I5: Rectangular movable flange; I6: Taper thermowell and fixing thread	C1: No protection head; C2: All stainless steel protection head; C3: Waterproof protection head; C4: Explosion-proof protection head	D0: Φ16mm; D1: Φ25mm, double-deck; D2: Φ16mm high quality aluminum; D3: Φ20mm high quality aluminum

5. Thermocouple assembly installation diagram

Application

Tips: Thermocouple assembly installation

On the conduit, the temperature-sensing element should form countercurrent with the measured medium, at least 90 degree angle to the medium measured.
No matter measuring the temperature of any medium, the temperature-sensing element should be placed in the point that needs to be measured. If it is in conduit, the temperature-sensing element should be placed at the point of highest flow velocity. That is, the welding points of thermocouple temperature-sensing element should be placed at the maximum flow velocity.
There should be enough insertion length. The experiment shows that the measurement error of thermocouple is reduced with the increase of the insertion length. If condition permits, the insertion length should be increased as far as possible to ensure the accuracy of the measurement.
The protection head should be placed upwards and the outlet bolts of the protection head should be placed downwards during installation, in order to prevent liquid immersed in thermocouple protection head. Don't let the protection head of thermocouples place in a position of high temperature and harmful atmosphere. If it is unavoidable, rectangular structure thermocouple can be used.

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