HANNA HI3887 무료 염소 및 pH 테스트 키트 (4.0 to 10.0 pH, 0.0 to 2.5 mg/L (ppm))

pH 
- Range: 6.0 to 8.5 pH
- Resolution: 0.5 pH
- Method: pH indicator
- Number of Tests: 100
- CTK Type: colorimetric
Free 
- Range: 0.0 to 2.5 mg/L (ppm)
- Resolution: 0.5 mg/L
- Method: DPD
- Number of Tests: 50
- CTK Type: colorimetric