Polypropylene caps suitable for vials with 9-425 threads. Septa attached to the cap to prevent it from falling off when using blunt needles. In the "pre-slit" model, the septa is pre-perforated for optimal injection
Compact Conductivity meter with interchangeable cell and automatic temperature compensation (0 – 50 ºC). Conductivity range according to model: 1,0 – 199.9 ?S/cm, 10 – 1999 ?S/cm or 0,1 – 19.99 mS/cm, accuracy ±1% F.S. (full scale). Single point calibration. Auto-power off feature helps you effectively conserve battery life. Water-tight. Warranty 1 year
