奥地利采购需求：DO计，溶解氧仪，在线溶解氧仪，便携式溶解氧仪，光学溶解氧仪，溶解氧分析仪

We are looking to acquire several advanced IoT sensor products for a project involving environmental monitoring. Specifically, we need a digital ammonia nitrogen sensor, a digital ion sensor capable of analyzing multiple nutrient parameters, and a digital multi-parameter water quality sensor. Could you please provide us with pricing details for these items, including delivery options to Austria? We're keen to understand the lead times and any bulk purchasing discounts available. Your prompt response would be greatly appreciated as we aim to move forward quickly with our procurement process. Thank you!