A pen measuring the proportion of salts in the water

RGT pen to measure the percentage of salts in the water

3 digits display from 000 to 9999 PPM

The other type is from 10.000 ppm to 50.000 ppm

Accuracy: 2% F.S.

Operating temperature: 0-50o automatic compensated

Battery life: 150 hours, 4 * 1.4V Mercury or 675H equivalent

With a leather jacket

Measurement standard is milligram per liter PPM