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pH Range: -2.00 to 16.00 pH / -2.000 to 16.000 pH
mV Range: ±699.9 mV / ±2000 mV
EC Range: 0.00 to 29.99 µS/cm / 30.0 to 299.9 µS/cm
EC Range: 300 to 2999 µS/cm
EC Range: 3.00 to 29.99 mS/cm / 30.0 to 200.0 mS/cm
EC Range: up to 500.0 mS/cm (uncompensated EC)*
TDS Range: 0.00 to 14.99 ppm (mg/L)
TDS Range: 15.0 to 149.9 ppm (mg/L) / 150 to 1499 ppm (mg/L)
TDS Range: 1.50 to 14.99 ppt (g/L) / 15.0 to 100.0 ppt (g/L)
TDS Range: up to 400 g/L (uncompensated TDS)* (with 0.80 factor)
NaCl Range: 0.0 to 400.0%
Temp. Range: -20.0 to 120.00°C (-4.0 to 248.0°F)
pH Resolution: 0.01 pH / 0.001 pH
mV Resolution: 0.1 mV / 1 mV
EC Resolution: 0.01 uS/cm / 0.1 uS/cm / 1 uS/cm
EC Resolution: 0.01 mS/cm / 0.1 mS/cm
TDS Resolution: 0.01 ppm (mg/L) / 0.1 ppm (mg/L) / 1 ppm (mg/L)
TDS Resolution: 0.01 ppt (g/L) / 0.1 ppt ( g/L)
NaCl Resolution: 0.1%
Temperature Resolution: 0.1°C / (0.1°F)
Accuracy @ 20°C / 68°F
pH: ±0.01 / ±0.002 pH
mV: ±0.2 mV / ±1 mV
EC: ±1% of reading / ±0.05 uS/cm or 1 digit, whichever is greater
TDS: ±1% of reading / ±0.03 ppm or 1 digit, whichever is greater
NaCl: ±1% of reading
Temperature: ±0.4°C (±0.8°F)
Rel mV offset: ±2000 mV
Calibration
pH: 1, 2 or 3 calibration points, with 7 memorized buffers: 1.68, 4.01, 6.86, 7.01, 9.18, 10.01 and 12.45
EC/TDS: 1 point slope calibration, 6 standards: 84 uS/cm, 1413 uS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm / 1 point offset calibration: 0.00 uS/cm
NaCl: 1 point, with MA9066 salinity calibration solution
Temperature: 2 points, 0 and 50°C (32 and 122°F)
Temperature Compensation: Automatic or manual from -20.0 to 120.0°C (-4.0 to 248.0°F)
Conductivity temperature coefficient: Selectable 0.00 to 6.00 % / °C (EC and TDS only)
TDS factor: 0.40 to 0.80 / Default value: 0.50
pH Probe: MA917B/1 (included)
Temperature Probe: MA831R (included)
EC Probe: MA814DB/1 (4 ring, included)
Logging-On-Demand: Maximum 50 samples for each range: (pH, mV /Rel mV, EC, TDS, NaCl)
PC Connectivity: RS232/USB opto isolated
Power Supply: 12 VDC adapter (included)
Dimensions: 230 x 160 x 95 mm (9.0 x 6.3 x 3.7 inches)
Environment: 0 to 50°C / 32 to 122°F; max RH 95%
Weight: 0.9 kg / 2.00 lbs.
*Uncompensated conductivity (TDS) is the conductivity (or TDS) value without temperature compensation.
