The OHAUS Starter 300 pH meter kit (ST300-G) is a portable pH and ORP meter for lab and field use. It stands on its built-in stand on the bench or goes into the field on its wrist strap, and its IP54 housing protects it from water and dust. The kit includes the ST322 3-in-1 plastic gel pH electrode, pH buffer powder sachets and a carrying bag.
Features
- Measures pH and oxidation-reduction potential (mV)
- Automatic and manual temperature compensation
- Auto buffer recognition stores the calibration data and helps avoid calibration errors
- Calibration accuracy is tracked on the display
- Stores 30 measurements plus the last calibration, recalled with one touch
- Runs on 4 AAA batteries (included) for more than 500 operating hours
Technical Specifications
| Part number | 30219114 (model ST300-G) |
| Brand | OHAUS |
| Series | Starter 300 |
| pH range | 0.00 to 14.00 pH |
| mV range | −1999 to 1999 mV |
| Temperature range | 0 to 100 °C |
| Resolution | 0.01 pH, 1 mV, 0.1 °C |
| Error limits | ±0.01 pH, ±1 mV, ±0.5 °C |
| Calibration | Up to 3 points, 4 predefined buffer groups |
| Memory | 30 measurements plus last calibration data |
| Temperature compensation | Automatic (ATC) and manual (MTC) |
| Input | BNC, impedance > 1012 Ω; Cinch, NTC 30 kΩ |
| Display | LCD |
| Housing | ABS, IP54 |
| Power | 4 AAA batteries, more than 500 operating hours |
| Size / weight | About 90 × 150 × 35 mm (W × D × H), 0.18 kg without batteries |
| In the kit | Starter 300 meter, ST322 3-in-1 plastic gel pH electrode, pH buffer powder sachets (4.01, 7.00, 10.01), IP54 sets, electrode clip, wrist strap, 4 AAA batteries, portable bag |
| Warranty | 1 year |
