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