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ZD-1900 pH, uS/cm Combination Tester (2 in 1)

1, PH-902 Pen pH Testr WP

Range: 0.00—14.00 pH,

Resolution: 0.01 pH,

Accuracy: ≤±0.03 pH,

Temp. C: 5—50℃, (ATC)

Calibration: Two-point at 6.86pH and 4.01pH (or 7.0pH and 4.01pH)

Features: Automatic switch-off function: After 8-10 minutes without pushing buttons, the meter will be switched off automatically. Low battery: As long as there is any display, the accuracy is guaranteed.

Connector: Changeable electrode.

Battery Life: DC 4x 1.5V (LR1130)

2.ZDS--μS / cm Pen Tester WP

Range: 0-1999 uS/cm,

Resolution: 1 uS/cm,

Accuracy: ±2% Full Scale,

Battery Life: DC 4 x 1.5V(LR1130),

Temp.℃: 5--50℃ (ATC) ,

Features: Automatic switch-off function: After 8-10 minutes without pushing buttons, the meter will be switched off automatically.

Connector: Fixed electrode.