20 Series Value Pocket Testers

Measuring Parameter

pH /°C

Conductivity (EC)/°C

TDS /°C

Salinity /°C

Range

0 to 14.0 pH

0 to 50.0 °C

(32 to 122˚F)

0 to 200.0 μS/cm

0 to 2000 μS/cm

0 to 20.00 mS/cm

0 to 50.0 °C

(32 to 122˚F)

0 to 100.0 ppm

0 to 1000 ppm

0 to 10.00 ppt

0 to 50.0 °C

(32 to 122˚F)

0 to 10.00 ppt

0 to 50.0°C

(32 to 122˚F)

Resolution

0.1 pH; 0.1 °C

0.1/1 μS; 0.01 mS; 0.1 °C

0.1/1 ppm; 0.01 ppt; 0.1 °C

0.01 ppt; 0.1 °C

Accuracy

±0.1 pH; ±0.2˚C

±1% F.S; ±0.2˚C

±1% F.S; ±0.2˚C

±1% F.S; ±0.2˚C

Temperature

Compensation

Automatic 0 to 50˚C

Automatic 0 to 50˚C

Automatic 0 to 50˚C

Automatic 0 to 50˚C

Calibration Points

1~3 Points

1~2 Points

1~2 Points

1Points

Self-Diagnosis

Yes

Yes

Yes

Yes

Battery Life

Yes

Yes

Yes

Yes

Low Battery Warning

continuous working > 1000 hrs

continuous working > 1000 hrs

continuous working > 1000 hrs

continuous working > 1000 hrs

IR Rating

IP67 waterproof and dustproof, floatable

Power Supply

AAA batteries ×4

Dimension Weight

Tester : 40x31x178mm/107g Case: 190x165x40mm /438g