以下是关于GDYS-103SQ钡测定仪的产品中英文介绍：

GDYS-103SQ钡测定仪是根据市场需求开发的可现场快速定量检测水中钡含量的仪器。该仪器采用先进的检测技术，具有检测速度快、操作简便等特点，能够在10分钟内完成检测。其测定下限为1.0mg/L，测定范围为0.0-7.0mg/L，测量精度达到5%。此外，该仪器还配备了一次性专用试剂盒，方便现场使用。它广泛适用于饮用水、地表水、污水和工业废水等领域。

The GDYS-103SQ Barium Determinator is an instrument developed to meet market demands for rapid on-site quantitative detection of barium content in water. Utilizing advanced detection technology, it features a fast detection speed and convenient operation, capable of completing the detection within 10 minutes. With a detection lower limit of 1.0mg/L and a measurement range of 0.0-7.0mg/L, the instrument achieves a measurement accuracy of 5%. Moreover, it is equipped with a disposable dedicated reagent kit for easy on-site use. Widely applicable in drinking water, surface water, wastewater, and industrial wastewater, it offers reliable and efficient detection solutions.