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Electric thermo-couple
Immersion thermocouple (type S,R,B and Wre)is usually connected with display meter,recording meter and computer,etc.to directly measure temperature of liquid meteal ranging from 0-1820 during various steel or iron process.It has advantage of high accuracy,rapid reaction,reliability and stability.
According the different thermocoupe wire,thermocouple has four type are S,R,Band WRe Type.
| Type | Model | +leg | -leg |
| R | QR-KR | PtRh13% | Pt |
| S | QR-KS | PtRh10% | Pt |
| B | QR-KB | PtRh30% | PtRh6% |
| WRe | QR-KW | WRe3% | WRe25% |
Type 604 thermocouple head(Triangle bottom) and connector
Electric thermo-couple