References & Online Calculators
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Temperature Accuracy
Inputs
Calculated Results
Oxygen Solubility
Inputs
Calculated Results
pH Buffer Temperature Correction
Each row has one input and one calculated result
Current temp for pH 4 buffer °C
pH 4 buffer @ current temp
Current temp for pH 7 buffer °C
pH 7 buffer @ current temp
Current temp for pH 10 buffer °C
pH 10 buffer @ current temp
Current temp for pH 6 buffer °C
pH 6 buffer @ current temp
Current temp for pH 6.86 buffer °C
pH 6.86 buffer @ current temp
pH Sensor Health
Inputs
Calculated Results
ORP Zobell Temperature Correction
Inputs
Calculated Results
Standard Methods relation used in the workbook: Eh, V = 0.229 - 0.0022 (T - 25).
SpConductivity to Salinity
Inputs
Calculated Results
Salinity conversion based on USGS Water-Supply Paper 2311.
Salinity to Chloride
Inputs
Calculated Results
S4000 NTU Formazin Dilution
Inputs
Calculated Results
NO3 Dilution
Inputs
Calculated Results
Workbook assumes starting with a 50 mg/L NO3 standard.
TDG Percent
Inputs
Calculated Results
Actual Barometric Pressure
Inputs
Calculated Results
Enter either mmHg or inHg. The other unit converts automatically. Formula: corrected pressure in mmHg minus 2.5 mmHg per 100 ft.