Measuring Principle
Dichromate colorimetric method
Basic Accuracy
≤150mg/L:±8% reading ±1mg/L; ≥150mg/L:±8% reading
Stability
±2%(reading )/15min
Calibration
Two-point calibration(zero and full scale calibration)
Data Storage
200 data with time-and-date stamp
Digestion Temperature
100~165℃