10 Specifications
Measurement range
Resolution
Limits of error pH
Limits of error ion
Limits of error con duc-
tiv i ty
pH/ORP/Ion/Conductivity meter SG78
SevenGo Duo pro™ SG78 pH/ORP/Ion/Conductivity meter
pH
mV
pH ATC
pH MTC
Ion
Conductivity
TDS
Salinity
Resistivity
Conductivity ATC
Conductivity MTC
pH
mV
pH Temperature
Ion
Conductivity
TDS
Salinity
Resistivity
Conductivity Temperature
± 0.002 pH
± 0.2 mV
± 0.1°C
± 0.5% (this limit only ap-
plies for meter)
Conductivity
TDS
-2.000...19.999
-1999.9...1999.9 mV
-5...130°C
-30...130°C
0.000...999.9%
0.000...9999 ppm
1.00E-9...9.99E+9 mg/L
1.00E-9...9.99E+9 mmol/L
1.00E-9...9.99E+9 mol/L
0.00 μS/cm...1000 mS/cm
0.00 mg/L...600 g/L
0.00...80.0 psu
0.00...100.0 MΩ•cm
-5...105 °C
-30...130°C
0.1/0.01/0.001
1/0.1
0.1°C
3 or 4 digits
Auto range
0.00 μS/cm...19.99 μS/cm
20.0 μS/cm...199.9 μS/cm
200 μS/cm...1999 μS/cm
20.0 mS/cm...199.9 mS/cm
200mS/cm...1000mS/cm
Auto range, same values as
con duc tiv i ty
0.00 psu...19.99 psu
20.0 psu...80.0 psu
Ω•cm (scientific)
0.00 Ω•cm...9.99 E +5
Ω•cm
MΩ•cm
1.00 MΩ•cm...19.99 MΩ•cm
20.0 MΩ•cm...100.0 MΩ•cm
0.1°C
±0.5 % of measured value
±0.5 % of measured value
Specifications
37