20948 Cryogenic Freezer Probe 低温冷冻探针
Cryogenic Freezer Probe. Secondary Standard level precision. Flexible; Hold it’s shape – Stays on place. 低温冷冻探针，二级标准水平精度。灵活的;保持它的形状-保持原位。
Specifications 产品规格
• Nominal resistance: 100 ohms at 0ºC
•标称电阻：0ºC时为100欧姆
• Temperature coefficient of resistance: 0.003925 ohms/ohm/ºC nominal
•电阻温度系数：标称值为0.003925欧姆/欧姆/℃
• Temperature range: -196ºC to 200ºC
•温度范围：-196℃至200℃
• Insulation resistance: 500 megohms minimum at 20ºC
•绝缘电阻：20ºC时最低500兆欧
• Sheath material: 316L stainless steel
•护套材料：316L不锈钢
• Lead wire: Teflon™ insulated, nickel-plated stranded copper, 22 AWG
•导线：22 AWG Teflon™绝缘镀镍铜线，
• Short term repeatability and hysteresis: ±0.013ºC (0.0051 ohms) maximum change at TPW over any 5 consecutive thermal cycles from -196ºC to 200ºC
•短期重复性和滞后：在TPW上的最大变化量为±0.013ºC（0.0051欧姆）连续热循环从-196℃到200℃
• Minimum immersion: 6.0 inches
•最小浸入：6.0英寸
• Includes calibration from -196ºC to 200ºC
•包括从-196ºC到200ºC的校准