Hydrolab Data Sonde Measurement Paramters
Hydrolab DataSondes can be configured with multiple sensors to provide the exact measurements needed. The matrix below describes the measurement parameters available.
| Sensor | Range | Accuracy |
Resolution | DS5X | DS5 | MS5 | QuantaG |
| Hach LDO (luminescent dissolved oxygen) |
0 to 60* mg/L *Exceeds maximum natural concentrations |
± 0.1 mg/L @ ≤ 8 mg/L ± 0.2 mg/L @ > 8 mg/L ± 10% reading > 20 mg/L |
0.01 mg/L | YES | YES | YES | NO |
| Polarographic DO | 0 to 50 mg/L | ± 0.2 mg/L @ ≤ 20 mg/L ± 0.6 mg/L @ > 20 mg/L |
0.01 mg/L | YES | YES | YES | YES |
| Conductivity | 0 to 100 mS/cm | ± (0.5% of reading + 0.001 mS/cm) | n/a | YES | YES | YES | YES |
| Salinity | 0 to 70 ppt | ± 0.2 ppt | 0.01 ppt | YES | YES | YES | NO |
| pH | 0 to 14 pH units | ± 0.2 units | 0.01 units | YES | YES | YES | YES |
| Turbidity (self-cleaning) |
0 - 3,000 NTU | Compared to StablCal ± 1% up to 100 NTU ± 3% from 100 - 400 NTU ± 5% from 400 - 3,000 NTU |
0.1 NTU from 0 - 400 NTU 1 NTU for > 400 NTU |
YES | YES | YES | NO |
| Turbidity (4-Beam) |
0 - 1,000 NTU | ± (5% of reading + 1 NTU) | 0.1 NTU from 0 - 100 NTU 1 NTU for > 100 NTU |
YES | NO | NO | NO |
| Depth (vented level) |
0 to 10 m 0 to 25 m 0 to 100 m 0 to 200 m |
± 0.003 meters ± 0.05 meters ± 0.05 meters ± 0.1 meters |
0.001 meters 0.01 meters 0.01 meters 0.1 meters |
YES | YES | YES | YES |
| Chlorophyll a | Dynamic Range Low sensitivity: 0.03 - 500 μg/L Medium sensitivity: 0.03 - 50 μg/L High sensitivity: 0.03 - 5 μg/L |
± 3% for signal level equivalents for 1 ppb rhodamine WT dye or higher using a rhodamine sensor | 0.01 μg/L | YES | YES | YES | NO |
| Blue-Green Algae (fresh water or marine) |
Dynamic Range Low sensitivity: 150 - 2,000,000 cells/mL Low sensitivity: 150 - 200,000 cells/mL Low sensitivity: 150 - 20,000 cells/mL |
± 3% for signal level equivalents for 1 ppb rhodamine WT dye or higher using a rhodamine sensor | 0.01 ppb | YES | YES | YES | NO |
| Ion Selective Electrodes Ammonia Max Depth: 15 meters Nitrate Max Depth: 15 meters Chloride Max Depth: 15 meters |
0 to 100 mg/L-N 0 to 100 mg/L-N 0.5 to 18,000 mg/L-N |
Greater of ± 5% of reading, or ± 2 mg/L-N Greater of ± 5% of reading, or ± 2 mg/L-N Greater of ± 5% of reading, or ± 2 mg/L |
0.01 mg/L-N 0.01 mg/L-N 4 digits |
YES | YES | YES | NO |
| TDG (Total Dissolved Gas) |
400 to 1,400 mmHg | ± 1.5 mmHg | 1.0 mmHg | YES | YES | YES | NO |
| ORP | -999 to 999 mV | ± 20 mV | 1 mV | YES | YES | YES | YES |
| PAR (ambient light) |
0 to 10,000 μmol s-1m-2 | ± 5% of reading | 1 μmol s-1m-2 | NO | YES | YES | NO |
| Temperature | -5 to 50° C | ± 0.10° C | 0.01° C | YES | YES | YES | YES |