Dissolved oxygen%  

 air saturation

 Range

 0 to 500%

 Resolution

 0.1%

 Accuracy

 0 to 200%: ±2% 

 Dissolved oxygen mg/L

 Range

 0 to 50 mg/L

 Resolution

 0.01 mg/L

 Accuracy

 0 to 20 mg/L: ±2% or 0.2 mg/L

 Optical Dissolved oxygen

 % saturation

 Range

 0 to 500%

 Resolution

 0.1%

 Accuracy

 0 to 200%: ±1%

 Optical Dissolved oxygen mg/L

 Range

 0 to 50 mg/L

 Resolution

 0.01 mg/L

 Accuracy

 0 to 20 mg/L: ±1%  or 0.1 mg/L

 Conductivity+

 Range

 0 to 100 mS/cm

 Resolution

 0.001 or 0.1 mS/cm 

 Accuracy

 ±0.5%

 Temperature

 Range

 -5 to +70 °C

 Resolution

 0.01 °C

 Accuracy

 ±0.15 °C

 pH

 Range

 0 to 14 units 

 Resolution

 0.01 unit

 Accuracy

 ±0.2 unit

 Shallow depth

 Range

 0 to 9 m (0 to 30 ft.)

 Resolution

 0.001 m (0.001 ft.)

 Accuracy

 ±0.02 m (±0.06 ft.)

 Medium depth

 Range

 0 to 61 m (0 to 200 ft.)

 Resolution

 0.001 m (0.001 ft.) 

 Accuracy

 ±0.12 m (±0.4 ft.)

 Deep depth

 Range

 0 to 200 m (0 to 656 ft.)

 Resolution

 0.001 m (0.001 ft.)

 Accuracy

 ±0.3 m (±1 ft.)

 ORP

 Range

 -999 to +999 mV

 Resolution

 0.1 mV

 Accuracy

 ±20 mV

 Salinity

 Range

 0 to 70 ppt

 Resolution 

 0.01 ppt

 Accuracy

 ±1% or 0.1 ppt

 Nitrate/nitrogen*

 Range

 0 to 200 mg/L-N

 Resolution

 0.001 to 1 mg/L-N  

 Accuracy

 15.2 m (50 ft)       * Frash Water Only

 Ammonium / ammonia   /nitrogen*

 Range

 0 to 200 mg/L-N

 Resolution

 0.001 to 1 mg/L-N 

 Accuracy

 ±10% or 2 mg/L   * Frash Water Only

 Chloride*

 Range

 0 to 1000 mg/L

 Resolution

 0.001 to 1 mg/L 

 Accuracy

 ±15% or 5 mg/L  * Frash Water Only

 Turbidity

 Range

 0 to 1000 NTU

 Resolution

 0.1 NTU

 Accuracy

 ±2% or 0.3 NTU

 Chlorophyll

 Range

 0 to 400 μg/L; 0 to 100% FS

 Resolution

 0.1 μg/L Chl; 0.1% FS

 Accuracy

 61 m (200 ft.) or 200m(665 ft)

 Rhodamine WT

 Range

 0 to 200 μg/L

 Resolution

 0.1 μg/L