Ohaus Starter Portable pH Meter - ST300

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Ohaus Starter Portable pH Meter - ST300

Ohaus Starter Portable pH Meter - ST300


New product

  • 300 meter, pH electrode, and buffer powder sachet
  • Portable IP54 protected pH meter
  • Compact and ergonomic design
  • Automatic and manual temperature compensation
  • Size: 90 x 150 x 35mm
  • Ships in 1-2 days

1 year warranty  ohaus authorized dealer  new ohaus starter portable meter


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Our Price: $312.80

Brand: OHAUS

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Ohaus Starter Water Analysis Portable Meter - ST300

The OHAUS ST300 portable pH meter offers convenience, reliability and durable construction in an ergonomic compact design. Intuitive software and a well-organized display make the ST300 user friendly. A built-in retractable stand provides an additional level of convenience. A clear LCD screen and five clearly marked keys offer simplicity for novices and professionals alike. IP54 protection shields the portable ST300 pH meter from damage by dust and water. Quickly recall calibration data and information with a single touch. Connection of an ORP or temperature electrode adds additional functionality to the ST300 portable pH meter.


OHAUS ST300 includes: 300 Meter, ST320 3-in-1 Plastic Gel pH Electrode, and pH Buffer Powder Sachet

Ohaus ST300 Portable pH Meter Features

  • Ergonomic compact design
  • Built-in retractable stand
  • IP54 protection against dust and water
  • LCD display
  • User-friendly software and clearly marked keys
  • Portable pH meter requires little training to use
  • Auto buffer recognition helps to avoid errors during calibration
  • Automatic and manual temperature compensation ensures accuracy
  • Connect ORP or temperature electrode for additional functionality

Starter ST300 Portable Water Meter Includes

  • 300 portable meter
  • ST320 3-in-1 plastic gel pH electrode
  • pH buffer powder sachet
  • 1 year warranty on meter

Ohaus Starter ST300 Portable pH Meter Specifications

Measurement Range

0.00 – 14.00 pH

–1999 – 1999 mV

0 °C – 100 °C


0.01 pH

1 mV


Barometric Range


Barometric ResolutionNA
Error Limits

± 0.01 pH

± 1 mV

± 0.5 °C


3 Points

1 Predefined Buffer Group


30 Measurements

Last Calibration Data

Power Supply


> 500 Operating Hours


90 W × 150 D x 35 H mm / 0.18 kg

(Without Batteries)


BNC, Impedance > 10e+12 Ω

Cinch, NTC 30 kΩ

Temperature Compensation


Salinity Compensation


IP ProtectionIP54
Housing ConstructionABS
Brand and ModelOhaus ST300
Warranty1 year on meter

Electromagnetic Compatibility: FCC Part 15 Class B; ICES-003 Class B

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