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The VFM200 measures VOC (Volatile Organic Compound) and formaldehyde concentrations in real-time.

This convenient device measures dissolved oxygen concentration, saturation, and temperature - all in one!

This user-friendly meter has a long battery life and plenty of helpful functions.

Since you can refill the ExStik® quickly, you won't need to worry about the shelf life of its electrode.

This palm-sized pH meter with cabled electrode can measure pH, voltage potential difference (mV) and temperature.

Simple read out.

Lightweight, Versatile Unit