High Temperature Thermocouple Assemblies Platinum Thermocouples and Ceramic Protection Tubes |
| RAT, SAT, and BAT Series |
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Type R, S, or B Platinum Thermocouple enclosed in a high purity alumina protection tube. Standard construction includes cast iron NB1-2 connection head and 1/2" NPT fitting. For use at temperatures up to 1650°C (3000°F). Elements are insulated by a double bore high purity hard-fired alumina insulator.
Assemblies
Model
Number |
Thermocouple
Calibration |
AWG
Wire
Size |
Protection
Tube OD
mm (in.) |
Insulator
OD
mm (in.) |
| RAT-30-12" | R (Pt/13%Rh vs Pt) | 30 | 6.0 (1/4) | 3.0 (1/8) |
| RAT-24-12" | R (Pt/13%Rh vs Pt) | 24 | 6.0 (1/4) | 3.0 (1/8) |
| RAT-20-12" | R (Pt/13%Rh vs Pt) | 20 | 9.5 (3/8) | 4.5 (3/16) |
| SAT-30-12" | S (Pt/10%Rh vs Pt) | 30 | 6.0 (1/4) | 3.0 (1/8) |
| SAT-24-12" | S (Pt/10%Rh vs Pt) | 24 | 6.0 (1/4) | 3.0 (1/8) |
| SAT-20-12" | S (Pt/10%Rh vs Pt) | 20 | 9.5 (3/8) | 4.5 (3/16) |
| BAT-30-12" | B (Pt30%Rh vs Pt/6%Rh) | 30 | 6.0 (1/4) | 3.0 (1/8) |
| BAT-24-12" | B (Pt30%Rh vs Pt/6%Rh) | 24 | 6.0 (1/4) | 3.0 (1/8) |
| BAT-20-12" | B (Pt30%Rh vs Pt/6%Rh) | 20 | 9.5 (3/8) | 4.5 (3/16) |
Note: Alumina tube shipped separately to avoid breakage. Shipped unassembled.
Replacement Elements for Assemblies Shown Above
Type
of
Element |
AWG
Wire
Size |
Insulator
99.7% +
Al2O3 |
Type S
Pt/10%Rh-Pt |
Type R
Pt/13%Rh-Pt |
Type B
Pt/30%Rh-
Pt/6%Rh |
Bare wires
(No
Insulators) | 20
24
30 | N/A
N/A
N/A | BARE-20-S-12
BARE-24-S-12
BARE-30-S-12 | BARE-20-R-12
BARE-24-R-12
BARE-30-R-12 | BARE-20-B-12
BARE-24-B-12
BARE-30-B-12 |
Double-Hole
Round
Insulators | 20
24
30 | XDH-20
XDH-24
XDH-30 | XDH-20-S-12
XDH-24-S-12
XDH-30-S-12 | XDH-20-R-12
XDH-24-R-12
XDH-30-R-12 | XDH-20-B-12
XDH-24-B-12
XDH-30-B-12 |
* Replacement elements include leads of sufficient length to reach terminals in head.
Wire Size Conversion
| AWG |
Actual Diameter |
6
8
10
12
14
16
18
20
22
24
26
30 | 4.1 mm (0.162")
3.2 mm (0.128")
2.5 mm (0.102")
2.0 mm (0.081")
1.6 mm (0.064")
1.2 mm (0.051")
1.0 mm (0.040")
0.8 mm (0.032")
0.6 mm (0.0253")
0.5 mm (0.0201")
0.41 mm (0.0159")
0.25 mm (0.0100") |
View the Thermocouple Accuracy and Color Code charts
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† Price are shown in RMB.
Note: Alumina tube shipped separately to avoid breakage. Shipped unassembled.
* Replacement elements include sufficient length to reach terminals in head
**Use part number builder below to choose assembly replacement elements.
Shorter or Longer Lengths are available. Consult Temperature Applications Engineering.
Ordering Example: (1) BAT-24-12 B type 24 AWG thermocouple assembly including: 12 inch probe, ceramic tube and protection head, ¥18,625.00
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Part Number Builder |
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Option Descriptions
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(1)
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Thermocouple Calibration
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Select
RAT for R Type Thermocouple (Pt/13%Rh vs Pt)
SAT for S Type Thermocouple (Pt/10%Rh vs Pt)
BAT for B Type Thermocouple (Pt30%Rh vs Pt/6%Rh)
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(2)
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AWG Wire Size
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Select
30 for 30 AWG Wire Size
24 for 24 AWG Wire Size
20 for 20 AWG Wire Size
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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