7
SPECIFICA
TIONS
3. SPECIFICATIONS
3.1. METER SPECIFICATIONS
pH / mV
Range
0.00 to 14.00 pH; ± 600.0 mV
Resolution 0.01 pH; 0.1 mV
Accuracy
± 0.02 pH; ± 0.5 mV
Calibration
Automatic at 1, 2 or 3 points with automatic recognition of 5 standard
buffers (pH 4.01, 6.86, 7.01, 9.18, 10.01) and 1 custom buffer
ORP
Range
± 2000.0 mV
Resolution 0.1 mV
Accuracy
± 1.0 mV
Calibration Automatic at 1 custom point (relative mV)
Conductivity
Range
0 to 200 mS/cm (absolute EC up to 400 mS/cm)
Resolution
Manual:
1 µS/cm; 0.001 mS/cm; 0.01 mS/cm;
0.1 mS/cm; 1 mS/cm
Automatic:
1 µS/cm from 0 to 9999 µS/cm;
0.01 mS/cm from 10.00 to 99.99 mS/cm;
0.1 mS/cm from 100.0 to 400.0 mS/cm
Automatic (mS/cm): 0.001 mS/cm from 0.000 to 9.999 mS/cm;
0.01 mS/cm from 10.00 to 99.99 mS/cm;
0.1 mS/cm from 100.0 to 400.0 mS/cm
Accuracy
±1 % of reading or ±1 µS/cm whichever is greater
Calibration
Automatic single point, with 6 standard solutions (84 µS/cm,
1413 µS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm,
111.8 mS/cm) or 1 custom point
Total
Dissolved
Solids
(TDS)
Range
0 to 400000 ppm (mg/L); (the maximum value depends on the TDS factor)
Resolution
Manual:
1 ppm (mg/L); 0.001 ppt (g/L); 0.01 ppt (g/L);
0.1 ppt (g/L); 1 ppt (g/L)
Automatic:
1 ppm (mg/L) from 0 to 9999 ppm (mg/L);
0.01 ppt (g/L) from 10.00 to 99.99 ppt (g/L);
0.1 ppt (g/L) from 100.0 to 400.0 ppt (g/L);
Automatic ppt (g/L): 0.001 ppt (g/L) from 0.000 to 9.999 ppt (g/L);
0.01 ppt (g/L) from 10.00 to 99.99 ppt (g/L);
0.1 ppt (g/L) from 100.0 to 400.0 ppt (g/L)
Accuracy
±1 % of reading or ±1 ppm (mg/L) whichever is greater
Calibration Based on conductivity or salinity calibration
