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5-Year Warranty • Free Shipping to the 48 Contiguous States • U.S.-Based Company • Support 7 Days a Week
5-Year Warranty • Free Shipping to the 48 Contiguous States • U.S.-Based Company • Support 7 Days a Week
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Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales
Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV - Libertyscales

Ohaus Starter Pen Meters ORP ST20R, -1000 - 1000mV x ± 2 mV

$292.00 - $292.00
$292.00
$292.00 - $292.00
$292.00
Backed by Liberty's 5-Year Warranty — see terms
  • Overview
    After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of pen meters that provide accurate measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement without restriction.
    Applications
    pH, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO), salinity, total dissolved solids (TDS), temperature measurement
    Display
    Liquid crystal display (LCD) display with secondary information line (on select models)
    Operation
    4 1.5V batteries (included)
    Communication
    N/A
    Construction
    ABS Housing
    Design Features
    Easily replaceable electrodes, automatic shut off feature
  • Meter Type ORP
    Measurement Range -1000 – 1000 mV;0.0 – 99.0 °C
    Accuracy ± 2 mV / ± 0.5 °C
    Measurement Resolution 1 mV
    Display LCD
    ATC Yes
    Temperature Compensation Automatic
    Accuracy ± (mV) 2 mV
    Accuracy ± (Temperature) 0.5 °C
    Automatic Shutdown Yes, After 6 minutes of non-use
    Battery Life 200 Hours with Disposable Batteries
    Calibration NA
    Dimensions (HxLxW) 185 mm x 38 mm x 45 mm
    Measurement Range (Temperature) 0 °C – 99 °C
    Measurement Range -1,000 mV – 1,000 mV
    Net Weight 110 g
    Number of Buttons 2
    Power 4 AG13 Batteries (Included)
    Protection Rating IP67
    Temperature Display Yes
    Temperature Range 0 °C – 99 °C
    Temperature Sensor 50 KΩ NTC
    Working Environment 50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85%RH, non-condensing)
    Wrist Strap Yes
  • Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
  • Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
  • Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
  • Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
  • Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
  • Customer Support: Contact at (661) 888-1919 or sales@libertyscales.com for queries or concerns about shipping.