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| Brand Name : | OHMALLOY |
| Model Number : | E-HPF-1115 |
| Certification : | ISO9001-2008 |
| Price : | negotiable |
| Payment Terms : | L/C, T/T, |
| Supply Ability : | 500000meters/month |
| Delivery Time : | 10-15 days |
PFA/PVC Insulated and Sheathed E Type Thermocouple Extension Wire
TYPE E (CHROMEL vs Constantan) may be used in oxidizing, inert or dry reducing atmospheres, or for short periods of time under vacuum. Must be protected from sulfurous and marginally oxidizingatmospheres. Produces the highest EMF per degree o any standardized thermocouple.
1. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cr | Cu | Mn | Al | |
| EP(Chromel) | 90 | 10 | |||
| EN(Constantan) | 45 | 55 | |||
2. Physical properties and Mechnical properties
Material | Density(g/cm3) | Melting point℃) | Tensile Strength(Mpa) | Volume resistivity(μΩ.cm) | Elongation rate (%) |
| EP(Chromel) | 8.5 | 1427 | >490 | 70.6(20℃) | >25 |
| EN(Constantan) | 8.8 | 1220 | >390 | 49.0(20℃) | >25 |
3. EMF Value range at different temperature
| Material | EMF value Vs Pt(μV) | |||||
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
| KP(Chromel) | 2769~2859 | 5921~6019 | 9272~9374 | 12709~12819 | 16144~16282 | 19537~19699 |
| EN(Constantan) | 3499~3561 | 7389~7513 | 11647~11779 | 16109~16255 | 20699~20885 | 25362~25588 |
| EMF value Vs Pt(μV) | ||||
| 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ |
| 22859~23043 | 26102~26308 | |||
| 30030~30292 | 34664~34960 | |||
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