美国采购需求：化学需氧量分析仪、氨氮分析仪、总磷分析仪、生化需氧量分析仪、多参数水质分析仪、数字反应器

I'm looking for a reliable turbidity meter for our upcoming projects. Please provide detailed information about your available models, including key specifications, features, and price points. If you have options with different ranges or advanced technology, I'd love to hear about those as well. Additionally, I'd appreciate insights on any warranties, after-sales support, and delivery times. Once I have the info, I can make a quicker decision. Looking forward to your prompt response with the details!