Oakton 1413 µS Conductivity/TDS Pouch WD-35653-11

- Standardized against NIST traceable reference within +/- 1% accuracy at 25°C
- TDS values: 745 ppm KCI, 702 ppm NaCI, 1000 ppm 442
- Individually sealed, vacuum packed for freshness
- 20 pouches per box with each pouch containing 20ml of ready-to-use buffer solution
- Ideal for field use and handy for on-the-spot calibration purpose