Temperature Range: -5 to 70°C (23 to 158°F)

Conductivity Range: 0 to 200 mS/cm

Dissolved Oxygen (Optical) Range: 0 to 500% air saturation, 0 to 50 mg/L

Temperature Range: -5 to 70°C (23 to 158°F)

Dissolved Oxygen (Optical) Range: 0 to 500% air saturation, 0 to 50 mg/L

Conductivity: Range: 0 to 200 mS/cm

pH: Range: 0.000 to 14.000; Accuracy: ±0.004

ORP: Range: -1200 to +1200 mV; Accuracy: ±0.2 mV

Dissolved Oxygen (DO/BOD): Range: 0 to 50 mg/L

Dissolved Oxygen Accuracy: ±1.5% of reading

Dissolved Oxygen Resolution: 0.01 mg/L

Temperature Accuracy: ±0.3°C

Dissolved Oxygen Accuracy: ±1% of reading or 1% saturation (0 to 200%)

Temperature Accuracy: ±0.2°C

Barometer Accuracy: ±1.5 mmHg

Dissolved Oxygen (% Saturation): Accuracy: ±2% of reading or ±2% air saturation (0 to 200%)

Dissolved Oxygen (mg/L):Accuracy: ±2% of reading or ±0.2 mg/L (0 to 20 mg/L)

pH: Accuracy: ±0.2

Conductivity: Accuracy: ±1.0% of reading or 1.0 µS/cm

Salinity: Accuracy: ±1.0% of reading or 0.1 ppt

Temperature: Range: -5 to 55°C (23 to 131°F)

Dissolved Oxygen (DO): Accuracy: ±2% of reading or ±2% air saturation (0 to 200%)

Conductivity: Accuracy: ±1.0% of reading or 1.0 µS/cm (1-m or 4-m cable)

Salinity: Accuracy: ±1.0% of reading or 0.1 ppt

Memory Capacity: 250 data sets

pH100M: pH, mV, temperature

EC300M: Conductivity, specific conductance, total dissolved solids (TDS), salinity, temperature