MATERIAL SPECIFICATION
MULTI-LEVEL THERMOCOUPLE |
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Style | T-50656 | T-50657 & T-50780 | T-50809 | |||
Outer Diameter | 0.125″ ± 0.002″ | 0.500″ ± 0.005″ | 0.125″ ± 0.002″ | 0.500″ ± 0.005″ | 0.125″ ± 0.002″ | 0.500″ ± 0.005″ |
Transition Section | ½” NPT Nipple x 4″ Long | ½” NPT Nipple x 4″ Long | ½” NPT Nipple x 4″ Long | ½” NPT Nipple x 4″ Long | ½” NPT Nipple x 4″ Long | ½” NPT Nipple x 4″ Long |
Length Range (L) | 6″ to 240″ ± 1″ Tolerance | 12″ to 240″ ± 1″ Tolerance | 6″ to 240″ ± 1″ Tolerance | 12″ to 240″ ± 1″ Tolerance | 6″ to 240″ ± 1″ Tolerance | 12″ to 240″ ± 1″ Tolerance |
Max Pressure at 100 °F | 3000 psig | 4000 psig | 3000 psig | 4000 psig | 3000 psig | 4000 psig |
Time Constant at 3 MPS Water Velocity (grounded junction) | 3 sec. | 10 sec. | 3 sec. | 10 sec. | 3 sec. | 10 sec. |
Weight per Unit Length | 0.3 lb/ft | 0.45 lb/ft | 0.3 lb/ft | 0.45 lb/ft | 0.3 lb/ft | 0.45 lb/ft |
Minimum Bend Radius for (L) Section to Avoid Permanent Set | 0.5″ | 12″ | 0.5″ | 12″ | 0.5″ | 12″ |
Number of Points Available | 2 to 4 | 2 to 7 | 2 to 4 | 2 to 6 | 2 to 3 | 2 to 3 |
Notes:
- Junctions equally spaced or provided with location per customer requirements.
- Assemblies are available in intermediate sizes. Please consult ARi.
Calibration And Sheath Materials |
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Calibration Type | Outer Sheath Materials | ||||
Wire Type | Temp Range °F | Temp Range °C | Sheath Type | ARi Symbol | Maximum Temp °F |
J | -300 to 1000 | -184 to 540 | 304 ST/ST | A | 1600 |
K | 32 to 1800 | 240 to 980 | Inconel 600* | B | 1800 |
E | -400 to 1800 | -240 to 980 | 316 ST/ST | C | 1600 |
347 ST/ST | F | 1600 |