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Ohaus Starter ST300 Portable pH Meter, 0.00 – 14.00 pH, (w/Electrode), 83033961

Ohaus Starter ST300 Portable pH Meter, 0.00 – 14.00 pH, (w/Electrode), 83033961
Product CodeOHS-83033961
AvailabilityUsually ships in 5-7 business days
ConditionBrand New
MSRP : $414.00
You Save 15%

Product Description

Ohaus Starter ST300 Portable pH Meter, 0.00 – 14.00 pH, (w/Electrode), 83033961

Ohaus Starter ST300 Portable pH Meter, 0.00 – 14.00 pH, (w/Electrode), 83033961. 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 pH meter. This portable meter offers convenience, reliability and durability in one compact design. Automatic and manual temperature compensation ensures accurate readings while a 30 measurement library stores data for future reference.

    • Applications; pH, oxidation-reduction potential (ORP) measurement
    • Display; Liquid crystal display (LCD)
    • Operation; 4 AAA batteries (included)
    • Communication; N/A
    • Construction; ABS housing, wrist strap
    • Design; Automatic and manual temperature compensation, auto buffer recognition, calibration icon

    Models Measurement Range Measurement Resolution Temperature Compensation Electrode
    ST300 0.00 – 14.00 pH;-1999 – 1999 mV;0 – 100 °C 0.01 pH;1 mV;0.1 °C Yes ST320 (Included)
    ST300-B 0.00 – 14.00 pH;-1999 – 1999 mV;0 – 100 °C 0.01 pH;1 mV;0.1 °C Yes Not included
    ST300-G 0.00 – 14.00 pH;-1999 – 1999 mV;0 – 100 °C 0.01 pH;1 mV;0.1 °C Automatic ST320 (Included)

    The auto buffer recognition stores calibration data and helps to avoid errors during the calibration process. With a meter stand, wrist strap for secure field use and IP54 housing, Starter 300 is durable and prepared for versatile use.

    NOTE:We are an authorized distributor of Ohaus Corporation. We carry the entire product line of Ohaus Scales and Balances for different industries such Laboratory & Scientific Research, Retail industry, Medical Field, Jewelry and Pharmaceutical. We are located in Long Island New York. If you can not find any Ohaus products or replacement parts and accessories on our website, please contact us for pricing and availability. Our phone numbers are toll free 1-888-822 3336 or 631-803 2694. You can also send us an email to or simply click on the "Ask Question" button on every product detail page. We will reply your inquiries as quickly as possible...


  • Intuitive Software that Powers the Starter Series—Intuitive software and a well-organized display work in tandem to make operating the Starter Series a simple and straightforward task.
  • Functional Design for Easy Operability—With five clearly marked input keys and built-in or stand-alone electrode holders, operating the Starter bench meters is a convenient process.
  • Reliable Calibration for Accurate Results—Starter bench meters track the accuracy of the calibration process right on the display, so that you can measure with peace-of-mind, knowing that your results will be highly precise.


Measurement Range 0.00 – 14.00 pH;-1999 – 1999 mV;0 – 100 °C
Measurement Resolution 0.01 pH;1 mV;0.1 °C
Temperature Compensation Yes
Display LCD
Working Environment 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing)
Net Weight 0.35 lb (0.16 kg)
Accuracy ±0.01 pH;±1 mV;±0.5 °C
Electrode ST320 (Available as an accessory)
Measurement Range (Temperature) 0 °C – 100 °C
Measurement Range -1,999 mV – 1,999 mV
Parameter pH / ORP
pH measuring range 0 – 14
pH resolution 0.01
Resolution (Voltage) 1 mV
Temperature resolution 0.1 °C
Battery Life 500 Hours with Disposable Batteries
Dimensions (HxLxW) 1.38 in x 6.69 in x 3.54 in (35 mm x 170 mm x 90 mm)
In-use cover No
pH accuracy (±) 0.01
Power 4 AAA (LR03) Batteries (Included)
Temperature Sensor 30 KΩ NTC

Packaging Content

  • ST300 pH Meter
  • ST320 3-in-1 Plastic Gel pH Electrode,
  • pH Buffer Powder Sachet
  • 4 AAA Batteries

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