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BPA2S是我们BPA仪器的高端版本，可以在非常宽的时间间隔内提供动态表面张力。根据Fainerman在1990年提出的一项特定协议，可以准确地将死区时间与气泡的寿命分开，这允许在从小于1毫秒到气泡表面年龄约100秒的时间间隔内获得动态表面张力数据。这六个数量级的时间范围可能是单个仪器张力测量中最宽的。当运行一天以上的测量时，PAT在时间上只覆盖了五个数量级，而两者相辅相成，提供了从t<1ms到24小时甚至更长的时间窗口。在极短的吸附时间内进行测量的可能性，甚至可以研究与喷墨打印或快速涂层等快速过程相关的研究，并深入了解胶束形成/溶解动力学等快速过程。
高端最大气泡压力张力计，用于在亚毫秒范围内精确测量表面张力。
基于现代硬件和软件设计的独立仪器，采用高性能嵌入式计算机，扩展了仪器的可用性和测量性能。
现代用户友好的界面和连接简化了仪器的操作。
Range of Surface and Interfacial tension | 10 to 150 mN/m | ||
Resolution | 0.005 mN/m | ||
Accuracy of surface tension measurement | better than 0.5 % | ||
Accuracy of density measurement | 2 % | ||
Dynamic time range: | Standard capillary 10 ms to 200000 ms Special capillary 0.1 ms to 100000 ms | ||
Display | Graphic color TFT touch display 7’’ resolution 800 x 480 pixel | ||
Minimum volume test liquid | 1 ml | ||
Measurement temperature range | 0 – 100°C | ||
Experimental time: Standard mode (M1) / Fast Mode (M4) | 20-30 min / 4-6 min | ||
Measurement mode | – Standard – Constant time – Fast scan – Increasing flow – Short life time – Density estimation – Viscosity estimation Custom mode | ||
Number of measurement point in one measurement: All scan modes (M1, M3, M4 ) Constant mode (M2) | up to 180 not limited | ||
Operation Modes | Stand-alone (touch display, mouse, keyboard), remote control | ||
Data storing: | built-in SSD 64 GB USB memory stick network storage | ||
Interface | 1 GB Ethernet 3 x USB 2.0 / 1 x USB3.0 WiFi (option) DisplayPort (DVI/HDMI) res. up to 1920×1200 | ||
Process control option | Custom | ||
Operation Systen | Windows embedded standard WES7 | ||
Firmware | free update over 1 year after purchase, update via Internet | ||
Environment Temperature | 10 – 50°C | ||
Size of device (L xW x H) | 300x400x350 mm | ||
Weight | 5 kg | ||
Power requerment: | Measurement unit 24 VDC | ||
Power supply | external 100 … 240 AC; to 24 VDC | ||
Max. power consumption | 15 W | ||
Extra accessories | capillaries of different diameters |
