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Type B Platinum Rhodium Thermocouple Wire

HMPL2699

New product

Type B Platinum Rhodium Thermocouple Wire is ideal for high-temperature measurements (0°C to 1800°C). With 30% Rhodium and 70% Platinum in the positive leg and 6% Rhodium in the negative leg, it provides excellent stability and accuracy in extreme conditions. Perfect for industrial applications and high-performance equipment.

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Data sheet

Diameter0.03mm-0.81mm, or customized
Materials(+)70% Pt, 30% Rh, (-)94% Pt, 6% Rh
Appearancemetallic silver
Purity99.95%-99.99%

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Type B Platinum Rhodium Thermocouple Wire is built for accurate high-temperature measurements, ranging from 0°C to 1800°C. Its composition—30% Rhodium and 70% Platinum in the positive leg, and 6% Rhodium in the negative leg—ensures excellent stability and performance in extreme conditions. Ideal for furnaces and other high-heat applications. In addition, Heeger Materials also offers Type R and Type S Thermocouple Wire for a variety of high-temperature measurement needs. Platinum-Rhodium Wire is available in various sizes and lengths and is customized to meet your exact requirements.

Type B Platinum Rhodium Thermocouple Wire

Type B Platinum Rhodium Thermocouple Wire Specifications

Product 

Specifications

Wire Diameter mm (inch)

Operating Temperature

B-type

(+)70% Pt, 30% Rh

(-)94% Pt, 6% Rh

 

 

0.03 (0.001)

0.05 (0.002)

0.08 (0.003)

0.13 (0.005)

0.20 (0.008)

0.25 (0.010)

0.38 (0.015)

0.51 (0.020)

0.64 (0.025)

0.81 (0.032)

Normal limit: 1,500°C,

Overheat limit: 1,700°C

* HM can offer customized services upon specific requests.

Platinum-Rhodium Thermocouple Wires Properties

Item

Pt

PrRh10

PrRh13

PrRh30

PrRh6

Melting point (°C)

1769

1847

1860

1927

1826

Density (g.cm-3)

21.46

20

19.61

17.6

20.6

Mass per Meter (ø0.5mm) (g)

3.93

4.21

3.82

3.45

4.04

Electrical resistivity (µOhm.cm) 20℃

10.4

18.9

19.6

19

17.5

Temperature coefficient (x 10^-4/℃)

31

14

13.3

13.3

20.6

Tensile strength (MPa)

137

314

344

483

276

Elongation at break (%)

40

35

35

30

35

Type B Platinum Rhodium Thermocouple Wire Advantages

  • Accuracy: Precise and stable in high temperatures.
  • Temperature Range: Measures from 0°C to 1800°C.
  • Lifespan: Longer than other thermocouples.
  • Temperature Limit: Works up to 1800°C.
  • Thermoelectric Voltage: Low voltage, minimizing reference junction effects.
  • Durability: Suitable for oxidizing and neutral atmospheres.
  • Degradation Resistance: Rhodium improves heat resistance and prevents degradation.
  • Stability: Smaller grain size for better stability and strength.

Type B Platinum Rhodium Thermocouple Wire Applications

  • Glass and Ceramics Industry: Used for kiln temperature measurement to ensure product quality and production efficiency.
  • Steel and Non-ferrous Metal Smelting: Monitors temperature during the smelting process to optimize refining procedures.
  • Burners and Boilers: Monitors temperatures in burners and boilers to ensure safe and efficient operation.
  • Automotive Exhaust Measurement: Used to measure exhaust temperatures, helping assess emissions performance.
  • Scientific Research: Monitors high-temperature reactions in research, providing accurate temperature data for analysis.

Type B Platinum Rhodium Thermocouple Wire Packing 

The Type B Platinum Rhodium Thermocouple Wire will be carefully placed in wooden cases or cartons, with additional support from soft materials, to prevent shifting during transportation. This packaging method guarantees the integrity of the products throughout the delivery process.

Type B Platinum Rhodium Thermocouple Wire

Where to Buy Type B Platinum Rhodium Thermocouple Wire in Bulk?

Heeger Materials Inc., a professional supplier, and manufacturer of high-quality Platinum (Pt) products including Type B Platinum Rhodium Thermocouple Wire leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We are a specialized supplier of premium-grade metals, alloys, ceramics, powders, and various other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors. 

Used Platinum Rhodium (PtRh) Thermocouple Wire Recycle

We offer secondary recycling services for platinum-rhodium thermocouple wires sold by our company. In addition, we can also provide recycling services for platinum-rhodium thermocouple wires not purchased from us. Please note that there are minimum order requirements for the recycling of precious metal wires, and the exact recycling value will be determined after testing.

Wire Gauge Conversion Chart

Cauge No.

Inch

mm

Cauge No.

Inch

mm

0000

0.4600

11.684

19

0.0359

0.912

000

0.4096

10.404

20

0.0320

0.812

00

0.3648

9.266

21

0.0285

0.724

0

0.3249

8.252

22

0.0253

0.644

1

0.2893

7.348

23

0.0226

0.574

2

0.2576

6.544

24

0.0201

0.511

3

0.2294

5.827

25

0.0179

0.455

4

0.2043

5.189

26

0.0159

0.404

5

0.1819

4.621

27

0.0142

0.361

6

0.1620

4.115

28

0.0126

0.320

7

0.1443

3.665

29

0.0113

0.287

8

0.1285

3.264

30

0.0100

0.255

9

0.1144

2.906

31

0.0089

0.227

10

0.1019

2.588

32

0.0080

0.202

11

0.0907

2.305

33

0.0071

0.180

12

0.0808

2.053

34

0.0063

0.160

13

0.0720

1.828

35

0.0056

0.143

14

0.0641

1.628

36

0.0050

0.127

15

0.0571

1.450

37

0.0045

0.113

16

0.0508

1.291

38

0.0040

0.102

17

0.0453

1.150

39

0.0035

0.089

18

0.0403

1.024

40

0.0031

0.079

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