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.
