| Votes | By | Price |
| hanna-instruments |
| Model No | HI 9829 |
| pH Range | 0.00 to 14.00 pH/±600.0 mV |
| pH Resolution | 0.01 pH / 0.1 mV |
| pH Accuracy | ±0.02 pH / ±0.5 mV |
| ORP Range | ±2000.0 mV |
| ORP Resolution | 0.1 mV |
| ORP Accuracy | ±1.0 mV |
| Ammonium- Nitrogen Range |
0.02 to 200 ppm (as N) |
| Ammonium- Nitrogen Resolution |
0.01 ppm to 1 ppm; 0.1 ppm to 200 ppm |
| Ammonium- Nitrogen Accuracy |
±5% of reading or 2 ppm, whichever is greater |
| Chloride Range | 0.6 to 200 ppm |
| Chloride Resolution | 0.01 ppm to 1 ppm; 0.1 ppm to 200 ppm |
| Chloride Accuracy | ±5% of reading or 2 ppm, whichever is greater |
| Nitrate-Nitrogen Range | 0.62 to 200 ppm (as N) |
| Nitrate-Nitrogen Resolution | 0.01 ppm to 1 ppm; 0.1 ppm to 200 ppm |
| Nitrate-Nitrogen Accuracy | ±5% of reading or 2 ppm, whichever is greater |
| Conductivity Range | 0 to 200 mS/cm (absolute EC up to 400 mS/cm) |
| Conductivity Resolution | manual: 1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm; 1 mS/cm; automatic: 1 µS/cm from 0 to 9999 µS/cm; 0.01 mS/cm from 10.00 to 99.99 mS/cm; 0.1 mS/cm from 100.0 to 400.0 mS/cm; |
| Conductivity Accuracy | ±1% of reading or ±1 µS/cm, whichever is greater |
| TDS Range | 0 to 400000 mg/L or ppm |
| TDS Resolution | manual: 1 mg/L (ppm); 0.001 g/L (ppt); 0.01g/L (ppt); 0.1 g/L (ppt); 1 g/L (ppt); autorange scales: 1 mg/L (ppm) from 0 to 9999 mg/L (ppm); 0.01 g/L (ppt) from 10.00 to 99.99 g/L (ppt); 0.1 g/L (ppt) from 100.0 to 400.0 g/L (ppt); |
| TDS Accuracy | ±1% of reading or ±1 mg/L |
| Resistivity Range | 0 to 999999 Ω•cm; 0 to 1000.0 kΩ•cm; 0 to 1.0000 MΩ•cm |
| Resistivity Resolution | dependent on resistivity reading |
| Resistivity Accuracy | dependent on resistivity reading |
| Salinity Range | 0.00 to 70.00 PSU |
| Salinity Resolution | 0.01 PSU |
| Salinity Accuracy | ±2% of reading or ±0.01 PSU |
| Seawater σ Range | 0 to 50.0 st, s0, s15 |
| Seawater σ Resolution | 0.1 σt, σ0, σ15 |
| Seawater σ Accuracy | ±1 σt, σ0, σ15 |
| Turbidity Range | 0.0 to 99.9 FNU; 100 to 1000 FNU |
| Turbidity Resolution | 0.1 FNU from 0.0 to 99.9 FNU; 1 FNU from 100 to 1000 FNU |
| Turbidity Accuracy | ±0.3 FNU or ±2% of reading |
| Dissolved Oxygen Range | 0.0 to 500.0%; 0.00 to 50.00 ppm |
| Dissolved Oxygen Resolution | 0.1%; 0.01 ppm |
| Dissolved Oxygen Accuracy | greater; 300.0 to 500.0%: ±3% of reading; 0.00 to 30.00 ppm: ±1.5% of reading or 0.10 ppm, whichever is greater; 30.00 ppm to 50.00 ppm: ±3% of reading |
| Atm. Pressure Range | 450 to 850 mm Hg; 17.72 to 33.46 in Hg; 600.0 to 1133.2 mbar; 8.702 to 16.436 psi; 0.5921 to 1.1184 atm; 60.00 to 113.32 kPa |
| Atm. Pressure Resolution | 0.1 mm Hg; 0.01 in Hg; 0.1 mbar; 0.001 psi; 0.0001 atm; 0.01 kPa |
| Atm. Pressure Accuracy | ±3 mm Hg within ±15°C from the temperature during calibration |
| Temp. Range | -5.00 to 55.00°C; 23.00 to 131.00°F; 268.15 to 328.15K |
| Temp. Pressure Resolution | 0.01°C; 0.01°F; 0.01K |
| Temp. Pressure Accuracy | ±0.15°C; ±0.27°F; ±0.15K |
| Memory | 44,000 records |
| Output | USB PC Connector |
| Output | USB PC Connector |