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High Temperature Thermocouple Assemblies Platinum Thermocouples and Ceramic Protection Tubes

$3,852.00

Item# RAT-20-18

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $3,852.00
10-24 $3,659.40
25-99 $3,466.80
100-499 $3,274.20
500-999 $3,081.60
1000+ $2,889.00

In stock

Lead Time ( If not in Stock): 2 weeks

High Temperature Thermocouple Assemblies Platinum Thermocouples and Ceramic Protection Tubes RAT-20-18 RAT-20-18
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  • Up to 1650°C (3000°F) Rating
  • Oxidizing or Reducing Atmospheres
  • Connection Head With Terminal Block
  • Custom Probe Lengths Available
  • XDH-* and BARE-* are replacement elements/insulators not the complete assembly

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Category
Thermocouple Type
Process Temperature Range
Sensor Application
Process Connection Size
Sheath Material
Junction Type
Probe Diameter
Probe Length
Wire Gauge
Termination Connection Type

Product Specs

  • Measurement Units °C
  • Measurement Type Air/Gas Temperature

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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