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| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Code | Details |
| W | Temperature instruments |
| R | Thermocouple |
| 1 |
Thermocouple material P) Pt-Rh 10--pt S type N) Cr-Ni& Si K type E) Cr-Cu-N E type C)Cu-Konstantan |
| 2 |
Sheathed type K simplex K2 duplex |
| 3 |
Mounting type 1)plain stem 2)Fixed screw thread 3)Movable screw thread 4)Fixed flange 5)Movable flange 6)Fixed screw thread with tapered thermowell |
| 4 |
Junction box 0) Basic type 3)Water-proof 4)Explosion-proof 6)Circular interpolation 7)Flat plug 8)Handle type 9)Compensating wire type |
| 5 |
Working-end type 1)Insulation type 2)Crust type 3)Crust type (Handle type) 4)Insulation type (Handle type) |
| 6 |
Multiple pair type 3) 3-pair type 4) 4-pair type 5) 5-pair type 6) 6-pair type |
| 7 |
Junction box material NA---Al-alloy H) all SST |
| Thermocouple type | Code | Graduation type |
Φ Sensor diameter |
Norm Temp ℃ |
Max Temp ℃ |
allowable error Measure value Range℃ |
|
Pt-Rh 10--pt |
WRPK | S | ≥φ3 | 1300 | 1600 | 0--1600 ±1.5°/±0.25%t |
|
Cr-Cu-Ni |
WREK | E | ≥φ3 | 600 | 700 | 0--700 ±2.5°/±0.75%t |
|
Cr-Cu-Ni |
WRNK | K | ≥φ3 | 800 | 900 | 0--900 ±2.5°/±0.75%t |
|
Cu-Cu-Ni |
WRCK | T | ≥φ3 | 350 | 400 | 0--350 ±1°/±0.75%t |
|
Fe-Cu-Ni |
WRFK | J | ≥φ3 | 600 | 700 | 0--7000 ±1°/±0.75%t |
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Xi`an Ao Xin Automation Instrument Co., Ltd., is located in Xi`an city which is the authoritive centre of instrument and gauge .It is cooperated with many related domestic cooperation to research ,sale and service and also obtained the cert of ISO9001-2008. overall strength of the industry 's leading domestic well-known enterprises .Over the years, the company under the "integrity, innovation , development and harmony " principle of service .
Website:http://www.aosoonyb.com
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Email:xaaxyb@126.com
Email:wsb2828@126.com
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