Oakton 2764 µS Conductivity/TDS Pouch WD-35653-12

- Standardized against NIST traceable reference within +/- 1% accuracy at 25°C
- TDS values: 4.8 ppm KCI, 4.7 ppm NaCI, 7.0 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