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After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in the form of a portable dissolved oxygen (DO) meter. This portable meter offers convenience, reliability and durability in one compact design.

Part NumberModelIncludes
OH-30031655ST300D- ST300D-B with STDO11 Galvanic DO Probe
- STTEMP30 Temperature Probe
OH-30031656ST300D-B- 300D Meter with IP54 Sets
- Electrode Clip
- Wrist Strap
- 4 AAA Batteries (Probe Not Included)
OD-30219116ST300D-G- ST300D-B with STDO11 Galvanic DO Probe
- STTEMP30 Temperature Probe
- Portable Bag