High Temp Thermocouples with Ceramic Tubes and Heads
High Temperature Thermocouple Assemblies Platinum Thermocouples and Ceramic Protection Tubes
Volume discounts available
Volume Discount Schedule
Quantity | Price each |
---|---|
1-9 | $648.95 |
10-24 | $616.50 |
25-99 | $584.06 |
100-499 | $551.61 |
500-999 | $519.16 |
1000+ | $486.71 |
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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
BAT-30-12 Model Options
View all modelsEdit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.
*Highlighted options are not compatible. Please select a different combination.
Thermocouple Type
Junction Type
Probe Diameter
Probe Length
Wire Gauge
Termination Connection Type
Category
Process Temperature Range
Sensor Application
Process Connection Size
Sheath Material
- 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
Note: Alumina tube shipped separately to avoid breakage. Shipped unassembled.
Replacement Elements for Assemblies Shown Above
* Replacement elements include leads of sufficient length to reach terminals in head.
Wire Size Conversion
View the Thermocouple Accuracy and Color Code charts
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) |
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 |
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



What is the quality standard that these thermocouples are built to? Do they conform to space ratings, ISO-9000, or NQA-1 ratings?
Thank you for your inquiry. All thermocouples made meet or exceed ISO10012-1, ANSI/NCSL Z540-1-1994 Standards. Our Laboratory is ISO 9000-2015 compliant.
Date published: 2022-04-25