| Specs | Dissolved Oxygen | pH | ORP | Conductivity | Salinity | Temp. | Barometer (optional) |
|---|---|---|---|---|---|---|---|
| Sensor Type | Steady state polarographic | Glass combination electrode | Platinum button with Ag/AgCl as reference | 4 electrode with auto-ranging | Calculated from temperature and conductivity | YSI Precision Thermistors | N/A |
| Range | 0 to 500% air saturation / 0 to 50 mg/l | 0.0 to 14.0 pH | -999 mV to +999 mV | 0 to 100 mS/cm | 0 to 70 ppt | -5 to 45°C, |
500-800 mm Hg |
| System Accuracy | ± 2% or ± 0.2 mg/l whichever greater 0-200% (± 6% 200-500%) |
± 0.2 pH | ± 20 mV | ± 0.5% of reading + 0.001 mS/cm |
± 1% of reading or 0.1 ppt | ± 0.15°C | ± 3 mm Hg within ± 15°C temperature range from calibration point |
Power requirement: 4 alkaline C-cells.
| Specifications | Dissolved Oxygen | Temperature |
|---|---|---|
| Sensor Type | Steady state polargraphic | YSI Precision Thermistors |
| Range | 0 to 200% air saturation / 0 to 20 mg/l | -6 to 46°C |
| System Accuracy | ± 2% 0-200% ± 2% 0-20 mg/l |
± 0.30°C |
| Specifications | Range | Resolution | Accuracy |
|---|---|---|---|
| pH | 0.00 to 14.00 | 0.01 | +/- 0.02 +/- 1LSD |
| Temperature | 0.0 to 99.9°C | 0.1°C | +/- 0.3°C |
| Specifications | Range | Resolution | Accuracy |
|---|---|---|---|
| ORP | -1200 to 1200 | 1mV | 1mV +/- 1LSD |
| Temperature | -5.0 to 99.9°C | 0.1°C | +/- 0.3°C |