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动态负载补偿(DLC) 所有的JOFRA RTC 系列干体炉都具有动态双区加热功能。每个加热区都可以单独控制,下面的加热区域保证整个加热块合适的热量消耗,上面的加热区域补偿加热体上部和被测传感器的热量损失。这种设计可以大大改善温场内温度一致性,无需隔热被测探头,可以校准充液式或其他机械式的探头。 为了配合动态双区加热技术实现更好的温场一致性,我们研发了DLC(动态负载补偿)技术,在此新技术下,校准系统的稳定性,一致性等指标将不会受到传感器负载的影响,特别是在校准多支或者大型传感器时。 为实现此功能,我们研发了一种DLC 探头用于RTC 干体炉,这一探头被置于套管内(实际工作区)并连接至RTC干体炉。当DLC 功能启动后,干体炉会自动地平衡套管内的温度一致性,并将此任务作为优先于普通温度控制的首要任务进行处理。 DLC探头监控着套管内温场的细微变化,并且将数据反馈至双区加热系统,对温场进行动态补偿,这样,DLC技术可使温场一致性不受负载多少的影响,保证温场一致性。 根据欧盟EURAMET/cg-13 干体炉校准规范,经过了各项严格测试和对比,毫无疑问,基于DLC技术的RTC 已经成为市场上性能表现优异的干体炉。 DLC的技术优势 配备了DLC技术的RTC系列干体炉具备如下优势: 1. 同时校准多支传感器,消除温度负载的影响 2. 校准大尺寸探头 3. 由于具备轴向温场一致性,因而无需考虑温度测量元件在温度探头中的具体位置和长度 4. 在轴向的不同位置都有良好的精度,好比拿多个Pt100的标准温度探头放在套管内轴向的不同位置作为参考标准进行校准,确保校准的准确度。 5. 在底部往上60mm区域内轻松校准各类温度探头,无需考虑轴向温场误差。 6. 通过DLC探头可以得知双区加热功能的工作正常与否 7. 确保干体炉工作在良好状态:在干体炉稳定时,DLC技术可使轴向温场偏差缩小至接近0.00℃。 8. 用户通过屏幕上的DLC和的温度稳定指示标志,可确认何时读取准确的校准数据。 DLC 动态负载补偿系统是温度校准领域的创新。DLC 用于补偿干体式校准仪与被测传感器之间的热传递对校准精度所产生的负面影响。 当传感器插入干体式校准仪时,传感器尺寸(直径和长度)以及校准温度与环境温度之间的差值会在套管内部形成轴向梯度偏差。我们温度校准仪的主动双区校准原理已然,而 DLC 则更进一步,在套管的内部实现补偿。DLC 可与 RTC 校准仪组合成为一个能够补偿由传感器负载产生的热损耗的干体炉。 • 以百分之一度的精度控制套管的下区温度 • DLC 指示器可显示双区的活动和工作状态 • 当获得温度一致性时,将显示 DLC 指示标志。 • 可同时校准多个传感器,从而节省时间 • 在不降低精度的情况下校准大直径传感器 • 不再需要校准传感器的热敏部分 出色的控温技术 • 在校准多支探头, 以及校准非标准探头或者大支探头的时,保持准确性 • 经过改善的不确定度,可快速进行不确定度的计算和记录 • 相比传统干体炉,轴向温场一致性提升高达3倍 RTC型干体炉是一款具有动态补偿负载影响的干体炉,这得益于阿美特克的DLC动态负载补偿技术。简而言之,DLC可以给您带来以下好处: • 校准多支探头或者大支探头,而无需考虑校准过程中热量的散失 • 快速、简便地进行不确定度的计算和记录。 • 将原有的不确定度减至原来的1/6 • 相比老产品,轴向温场的一致性提升很多 • 无须事先知道被检探头的设计(测温点所处位置),可兼容市面上几乎所有类型的温度探头。 The DLC Dynamic Load Compensation Systems is yet another state of the art innovation within temperature calibration. The DLC compensates for the negative effect on calibration accuracy that heat exchange between a dry-block calibrator and the sensor-under-test creates. When a sensor is inserted into a dry-block calibrator, the sensor size (diameter and length) and the difference between calibration temperature and ambient temperature, create an axial gradient deviation inside the insert. Our temperature calibrators are already famous for their active dual-zone calibration principle, and the DLC takes this one step further, and now compensates inside the insert. The DLC, combined with an RTC Calibrator, creates the only dry-block that compensates for the heat dissipation caused by sensor loading. • Control the lower section of the insert to within a few hundredths of a degree • The DLC indicator shows that the dual-zone is active and working • A DLC checkmark is present when temperature homogeneity is achieved • Save time by calibrating several sensors simultaneously • Calibrate large diameter sensors without losing accuracy • Aligning the thermos-sensitive part of the sensor is no longer needed Options DLC155 Differential TC type T. Probe length: 177 mm (6.96 in). Temperature range: -60 to 155°C. Diameter: 3 mm (0.12 in) OD. Depth: 140 mm (5.51 in). Media compatibility: AISI316. Connection: Redel plug with built in memory DLC158 Differential TC type T. Probe length: 196 mm (7.72 in). Temperature range: -60 to 155°C. Diameter: 3 mm (0.12 in) OD. Depth: 140 mm (5.51 in). Media compatibility: AISI316. Connection: Redel plug with built in memory DLC159 Differential TC type T. Probe length: 196 mm (7.72 in). Temperature range: -100 to 155°C. Diameter: 3 mm (0.12 in) OD. Depth: 140 mm (5.51 in). Media compatibility: AISI316. Connection: Redel plug with built in memory DLC250 Differential TC type T. Probe length: 196 mm (7.72 in). Temperature range: 0 to 250°C. Diameter: 3 mm (0.12 in) OD. Depth: 140 mm (5.51 in). Media compatibility: AISI316. Connection: Redel plug with built in memory DLC700 Differential TC type T. Probe length: 230 mm (9.05 in). Temperature range: 0 to 700°C. Diameter: 4 mm (0.16 in) OD. Depth: 200 mm (7.9 in). Media compatibility: AISI316. Connection: Redel plug with built in memory RTC-156 -30 to 155°C (-22 to 311°F), Dry Block. Use DLC-155. RTC-157 -45 to 155°C (-49 to 311°F), Dry Block. Use DLC-155. RTC-158 -22 to 155°C (-8 to 311°F), Dry Block / Liquid Bath. Use DLC-158. RTC-159 -100 to 155°C (-148 to 311°F), Ultra Cooler. Use DLC-159. RTC-250 28 to 250°C (82 to 482°F), Dry Block / Liquid Bath. Use DLC-250. RTC-700 33 to 700°C (91 to 1292°F), Dry Block. Use DLC-700 Software Con50 Con50 (Free) - Provides a way to configure and calibrate smart sensors for the DTI050 and the RTC / PTC temperature calibrators. Accessories 127312 Calibration Insert for DLC155 124897 Calibration Insert for DLC158 128477 Calibration Insert for DLC159 127759 Calibration Insert for DLC250 127149 Calibration Insert for DLC700 127587 Pt100 calibration reference probe, 3 mm diameter STS200A970 Pt100 calibration reference probe, 4 mm diameter for DLC700 |