美国采购需求：流量计，流量传感器，超声波流量计，超声波传感器，水流量计，水表

I'm looking for a variety of water meters in different sizes. Specifically, I'm interested in ultrasonic models and other types that cater to a range of diameters. Please provide your product specifications and pricing for the options available within the specified size ranges. Additionally, I would appreciate any information on lead times, minimum order quantities, and available certifications. This will help in making a well-informed decision. Looking forward to your prompt response with the details!