印度采购需求：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 source pH and TDS meters for our upcoming projects. It's important for us to find reliable and accurate instruments that meet our quality standards. We need these meters to be user-friendly and durable, ensuring they can withstand regular use in various environments. Please provide suggestions on models you have available along with their specifications, pricing, and lead times for delivery. Additionally, if you have any promotional offers or bulk purchase discounts, we would love to hear about them. We're keen on building a long-term partnership, so any relevant information regarding your support services and warranty policies would be appreciated. Looking forward to your prompt response with detailed options!