OHAUS pH Pen Meters

Starter ST20 & ST10

Convenient pH Testing

  • Two models with varying resolution and accuracy, ST10 and ST20 offer a convenient way to measure pH, or the relative acidity / alkalinity of a sample at a given temperature. The pH pen meters can be completely operated with just one free hand, freeing up your other hand to handle samples.

Model

ST20

ST10

Range

0.00-14.00

0.00-14.00

Resolution

0.01pH

0.1pH

Accuracy

0.05pH

0.1pH

Temperature range

0.0 - 99.0 degrees C

NA

Temperature Compensation

Yes

NA

Display

Dual

Single

Calibration

3 point

NA

Buffer Group

4.01, 7.00, 10.01

NA