二等标准铂电阻温度计 型号:81M/WZPB-2 | 货号: |
标准铂电阻温度计是传递13.8033k~960.78℃范围国际温标的插补仪器,在检定各种标准温度计和精密温度计量仪器时作用于标准使用,在上述温区也可直接用于高标准测量。 技术指标: 长度:480mm(不含引线) 使用温区:0~419.527℃ -183~420℃ 参数:RO=25±1 R100/Rtp≥1.3925 |
福禄克FLUKE 8508A-SPRT 标准铂电阻温度计
•Measure temperatures as high as 661 ºC•Inconel™ and platinum sheaths guard against contamination•Less than 10 mK/year drift•Fifth wire provides shield groundThe 8508A-SPRT Extended Range Metal-Sheath SPRT has been designed and manufactured by the primary standards metrologists at Hart Scientific, a Fluke Company, to complement the Fluke 8508A Reference Multimeter’s precision PRT temperature function.
Temperature range -200 ºC to 661 ºCNominal RTFW 25.5 Ω (+ 0.5 Ω)Calibration uncertainty 2.1 mK @ 660 ºCSensitivity 0.1 Ω/ºCDrift rate < 10 mK per year max. 2-3 mK per year typical Stability + 0.003 ºCProtective sheath Iconel™ 600 0.219” dia X 19” L (5.56 mm x 482 mm)
型号名称 描述 8508A-SPRT 标准铂电阻温度计
类型 | 锌点 |
温度范围 | 0℃~419.527℃ 83.8058K~0℃ 83.8058K~419.527℃ |
Rtp(Ω) | 25或100 |
电阻比 | WGa≥1.11807 WHg≤0.844235 |
保护管类型 | 石英或高温合金 |
保护管外径 | Φ7±0.5mm |
保护管长度 | 480±20mm |
等级 | 工作基准、一等、二等 |
检定规程 | JJG160-2007《标准铂电阻温度计》 |