Purchase Qty. Reference FOB Price
1-19 sets US$58.72
20-49 sets US$52.83
50-99 sets US$49.89
100+ sets US$46.96
Product Description
Technical Parameter 5031 Pen TDS Meter The most economical TDS instrument meets the most basic TDS measurement needs and is suitable for conventional use .TDS testing of aqueous solutions, such as hydroponics, aquaculture, swimming pools, water treatment, and environmental protection Application ...