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Ohaus Starter ST20D Pocket DO Meter


The simple and fast Ohaus Starter 300D Pocket DO Meter is the perfect DO meter for every application that requires portable operation and quick results. With IP67 waterproof design and automatic shutdown feature that preserves battery life, the Starter DO pocket meter can endure consistent use in rugged environments.

  • Small, economical pen meters offer simple, fast, and straightforward operation
  • Durable IP67 waterproof ABS housing, protective sensor cap, and automatic shutdown
  • Equipped with a wrist strap to prevent accidental drop and damage
Part Number: 30073986
Attribute nameAttribute value


Model :ST20D
Dissolved Oxygen Range :0.0 to 19.9 mg/L (ppm)
Dissolved Oxygen Resolution :0.1 mg/L (ppm)
Dissolved Oxygen Accuracy :±0.5 mg/L (ppm)
Temperature Range :0° to 99°C
Dimensions LxWxH :7.28" x 1.77" x 1.5" / 185 x 45 x 38 mm
Weight :3.9 oz / 90 g
Power :4 x AG13 Batteries (Included)