| DO (HI-764833 Polarographic Probe) |
| Range | 0.00 to 90.00mg/L (ppm) concentration; 0.0 to 600.0% saturation |
| Resolution | 0.01mg/L (ppm); 0.1% saturation |
| Accuracy | ±1.5 % of reading ±1, least significant digit |
| Barometric Pressure |
| Range | 450 to 850mmHg; 600 to 1133mBar; 60 to 133kPa; 17 to 33inHg; 8.7 to 16.4psi; 0.592 to 1.118atm |
| Resolution | 1mmHg; 1mBar; 1kPa; 1inHg; 0.1psi; 0.001atm |
| Accuracy | ±3mmHg within ±15% from the calibration point, ±3mmHg ±1 least significant digit |
| Temperature |
| Range | -20.0 to 120.0°C, -4.0 to 248.0°F, 253.0 to 393.0K |
| Resolution | 0.1°C; 0.1°F; 0.1K |
| Accuracy | ±0.2°C; ±0.4°F; ±0.2K |
| DO Calibration |
| Points | DO optical: one or two points automatic calibration at 100% (8.26mg/L) and 0% (0mg/L) |
| Single point manual using a value entered by the user in % saturation ormg/L |
| DO polarographic: automatic-two points / user standard-single point |
| Standards | 0 and 100% saturation, disabled |
| Reminder | Daily: 0 min. to 23 hours and 59 min., periodic: 1 min. to 500 days, 23 hours and 59 min. |
| Compensation |
| Temperature Compensation | Automatic or manual |
| Salinity Compensation (Optical DO Only) | Automatic from 0 to 70PSU (manually set), 0.0 to 70.0% / 0.0 to 45.0g/L / 0.0 to 42.0psu |
| Reading |
| Modes | Direct, direct/autohold |
| Stability Criteria | Accurate, medium, fast |
| Isopotential | 7.000 or 4.010 |
| Sampling Rate | 1000ms |
| DO Views |
| Basic | Measurement (DO, temperature), stability status |
| Simple GLP | Basic view information, last calibration date, offset, average slope |
| Full GLP | Simple GLP information and calibration point details |
| Table | Measurements updated every second are displayed in table |
| Graph (Plot) | Measurement versus time graph can be panned or zoomed (pinch-to-zoom technology) |
| Logging |
| Type | Automatic, manual, autohold |
| Number of records | 50000 maximum per file, stores at least 1000000 data points per user |
| Automatic interval | 1, 2, 5, 10, 30 seconds; 1, 2, 5, 10, 15, 30, 60, 120, 150, 180 minutes |
| Sample ID | Incremental mode |
| Export option | .csv file format |
| Users | Up to 9 users and the default administrator account |
| Connectivity |
| USB-A | 2 ports for keyboard input or USB thumb drive |
| USB-C | 1 port for PC connectivity and USB-C type thumb drive |
| Wi-Fi & Ethernet | FTP, web server log transfer and download, email |
| RS232 | Connecting peripherals |
| Power Supply | DC adapter 100 to 240AC to 24VDC 2.5A |
| Environment | 0 to 50°C / 32 to 122°F / 273 to 323K maximum 95% RH non-condensing |
| Dimensions | 205 x 160 x 77mm |
| Weight | Approximately 1.2kg |