美国采购需求：游泳池化学品、高品质水质检测仪、硬度测试套件、多参数鱼水分析仪、高品质比色计、氧气分析仪

I'm looking for detailed information on your chlorine analyzer options. Specifically, I'd like to understand the various models you offer, their features, and specifications. It would be helpful to have insights on accuracy, response time, and maintenance requirements. Additionally, could you provide details on any applicable certifications or compliance standards for these analyzers? If you have any brochures or technical documents available, that would be great. I'm also interested in pricing and lead times for bulk orders. Thanks!