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Ohaus® 30393199
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Ohaus® ST20M-B Model Conductivity/pH/TDS Starter Pen Meter, 0 to 1999 µS/cm Measurement Range

Starter Pen Meter, Conductivity/pH/TDS, 1.5 L x 1.77 W x 7.28" H, 0 to 1999 µS/cm, 0 to 14 pH, 0 to 1000 mg/L Measurement Range, ABS Plastic Housing, Model ST20M-B, LCD Display, Four 1.5 V AG13 Batteries

  • Manufacturer Part No: 30393199
  • SECO Part No: OHS-30393199
  • Sold As:
  • Availability: loading

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.

Calibration : 3 Points
Operating Temperature : 10 to 40°C, 85% RH, Non-condensing
Accuracy : ±0.05 pH, ±0.5°C, ±2% FS
ATC : Yes
Automatic Shutdown : Yes, After 6 min of Non-use
Battery Life : 100 Hours
Display : LCD
Height : 7.28"
Housing Material : ABS
Length : 1.5"
Measurement Range : 0 to 1999 µS/cm, 0 to 99°C, 0 to 14 pH, 0 to 1000 mg/L
Measurement Resolution : 0.01 pH, 1 µS/cm
Meter Type : Conductivity, pH, TDS
Model : ST20M-B
Number of Buttons : 3
Power Source : (4) 1.5 V AG13 Batteries
Protection Rating : IP 67
Temperature Display : Yes
Temperature Sensor : 50 KO NTC
Width : 1.77"
Wrist Strap : Yes
  • Simple operation in a slim and portable design
  • Durably constructed to withstand wear and tear resulting from repetitive use
  • Waterproof housing protects the meters in their working environment
  • Easily replaceable electrodes, automatic shut off feature
  • Liquid crystal display (LCD) display with secondary information line
  • Accurate electrochemistry measurement at your fingertips
  • FCC Part 15 Class B, ICES-003 Class B Compliant

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