+44 1803 865913
A box of 25 sachets of 1382ppm(mg/L) TDS calibration solution. Each sachet contains 20ml of solution and can be used to calibrate any conductivity meter including the pocket, hand-held and bench meter range.
There are currently no reviews for this product. Be the first to review this product!
Your orders support book donation projects
Vastly superior to the Amazon offering. Recommended unreservedly.
Search and browse over 110,000 wildlife and science products
Multi-currency. Secure worldwide shipping
Wildlife, science and conservation since 1985