IEC 62899的本部分规定了使用液滴观察仪测量从喷墨打印头喷射的墨滴方向的飞行成像方法。它不适用于全息或其他干涉技术，也不适用于评估沉积墨滴的任何方法。它专门用于按需投放式喷墨打印头（用于印刷电子设备）。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This part of IEC 62899 specifies in-flight imaging methods for the measurement of the direction of ink drops jetted from inkjet print-heads using drop watchers. It does not apply to holographic or other interference techniques, or to any method assessing deposited ink drops. It is specific to drop-on-demand type inkjet print-heads (used in printed electronics equipment).All current amendments available at time of purchase are included with the purchase of this document.