| Range | | <100 ppm to 100% |
| Resolution | | 1 ppm (0.0001%) |
| Result Units | | %, ppm, mg/g, µg/g, mg, µg, mg/mL, µg/mL, mg/pc, µg/pc |
| Sample Type | | liquid or solid |
| Determination: | | |
| Pre-Titration Conditioning | | automatic |
| Background Drift Correction | | automatic or user selectable value |
| Endpoint Criteria | | fixed mV persistence, relative drift stop or absolute drift stop |
| Dosing | | dynamic with optional pre-dispensing rate |
| Result Statistic | | mean, standard deviation |
| Clip Lock™: | | |
| Dosing Pump Resolution | | 1/40000 of the burette volume (0.125 µL per dose) |
| Dosing Pump Accuracy | | ±0.1% of full burette volume |
| Syringe | | 5 mL precision ground glass with PTFE plunger |
| Valve | | motor driven 3-way, PTFE liquid contact material |
| Tubing | | PTFE with light block and thermal jacketing |
| Dispensing Tip | | glass, fixed position, anti-diffusing |
| Titration Vessel | | conical with operation volume between 50-150 mL |
| Solvent Handling System | | sealed system, integrated diaphragm air pump |
| Electrode: | | |
| Type | | dual platinum pin, polarisation electrode |
| Connection | | BNC |
| Polarisation Current | | 1, 2, 5, 10, 15, 20, 30 or 40 µA |
| Voltage Range | | 2 mV to 1000 mV |
| Voltage Resolution | | 0.1 mV |
| Accuracy (@25ºC/77ºF) | | ±0.1% |
| External Stirrer: | | |
| Type | | magnetic, optically regulated, digital stirrer |
| Speed | | 200-2000 rpm |
| Resolution | | 100 rpm |
| Peripheral Devices: | | |
| PC | | easily view, transfer, print or delete methods and reports via HI-900PC application |
| USB Flash Drive | | easily upgrade software or transfer methods and reports between devices using a USB drive |
| Laboratory Analytical Balance | | RS232 to connect any laboratory balance |
| Printer | | print directly from the HI 903 to a printer via parallel port |
| Monitor | | instrument status and titrations can be viewed on a larger screen using any VGA compatible external monitor |
| Keyboard | | alphanumeric text can be entered using an optional PS/2 keyboard |
| Graphic Display | | 5.7” (320 x 240 pixel) color LCD |
| Titration Methods | | up to 100 (standard and user) methods |
| Data Storage | | up to 100 complete titration reports and drift rate reports can be stored |
| GLP Conformity | | Good Laboratory Practice and instrument data storage and printing |
| Languages | | English, Portuguese and Spanish |
| Enclosure Material | | ABS plastic and steel |
| Keypad | | polycarbonate |
| Power Supply | | “-02” model: 230VAC, 50/60 Hz; |
| Operating Environment | | 10 to 40ºC, up to 95% RH |
| Storage Environment | | -20 to 70ºC, up to 95% RH |
| Dimensions | | 390 x 350 x 380 mm (15.3 x 13.8 x 14.9”) |
| Weight | | approximately 10 kg (22 lbs.) |
