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WREK-181鎧裝熱電偶的測量范圍及允差
鎧裝熱電偶測量范圍及允差
| 型號 | 分度號 | 允差等J | |||
| I | II | ||||
| 允差值 | 測溫范圍°C | 允差值 | 測溫范圍°C | ||
| WRNK | K | ±1.5°C | -40~+375 | ±2.5°C | -40~+333 |
| ±0.004ltl | 375~1000 | ±0.0075ltl | 333~1200 | ||
| WRMK | N | ±1.5°C | -40~+375 | ±2.5°C | -40~+333 |
| ±0.004ltl | 375~1000 | ±0.0075ltl | 333~1200 | ||
| WREK | E | ±1.5°C | -40~+375 | ±1.5°C | -40~+333 |
| ±0.004ltl | 375~800 | ±0.004ltl | 333~900 | ||
| WRFK | J | ±1.5°C | -40~+375 | ±1.5°C | -40~+333 |
| ±0.004ltl | 375~750 | ±0.004ltl | 333~750 | ||
| WRCK | T | ±1.5°C | -40~+125 | ±1°C | -40~+133 |
| ±0.004ltl | 125~350 | ±0.0075ltl | 133~1000 | ||
| WRPK | S | ±1°C | 0~+1100 | ±2.5°C | 0~600 |
| ±[0.003(t-1100)] | 1100~1600 | ±0.0025ltl | 600~1600 | ||
常溫絕緣電阻
鎧裝熱電偶在環(huán)境溫度為20±15°C，相對濕度不大于80%試驗電壓為500±50V（直流）電J與外套管之間的絕緣電阻>1000MΩ。即1m長的試樣的絕緣電阻為1000MΩ；10m長的試樣的絕緣電阻為100MΩ；
Copyright ?：上海滬蔚自控設備有限公司 滬ICP備19044181號-1
