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Ohaus Portable Water pH Analysis Meter
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pHPortable
$0.00
Convenient Portable pH Meter for Wherever Your Work Takes You
- Automatic and manual temperature compensation ensures accurate readings while a 30 measurement library stores data for future reference.
- The auto buffer recognition stores calibration data and helps to avoid errors during the calibration process.
- With a meter stand, wrist strap for secure field use and IP54 housing, Starter 300 is durable and prepared for versatile use.
| Model | ST300-G | ST300 | ST300-B |
| Measurement Range | 0.00 – 14.00 pH; | 0.00 – 14.00 pH; | 0.00 – 14.00 pH; |
| -1999 – 1999 mV; | -1999 – 1999 mV; | -1999 – 1999 mV; | |
| 0 – 100 °C | 0 – 100 °C | 0 – 100 °C | |
| Measurement Resolution | 0.01 pH; | 0.01 pH; | 0.01 pH; |
| 1 mV; | 1 mV; | 1 mV; | |
| 0.1 °C | 0.1 °C | 0.1 °C | |
| Calibration | 3 Point | 3 Point | 3 Point |
| Temperature Compensation | Automatic | Yes | Yes |
| Display | LCD | LCD | LCD |
| Working Environment | 5°C – 40°C, 80%RH, non-condensing | 5°C – 40°C, 80%RH, non-condensing | 5°C – 40°C, 80%RH, non-condensing |
| Working Environment | 41°F – 104°F, 80%RH, non-condensing | 41°F – 104°F, 80%RH, non-condensing | 41°F – 104°F, 80%RH, non-condensing |
| Net Weight | 0.16 kg (0.35 lb) | 0.16 kg (0.35 lb) | 0.16 kg (0.35 lb) |
| Resolution (Voltage) | 1 mV | 1 mV | 1 mV |
| Electrode | ST320 (Included) | ST320 (Included) | ST320 (Available as an accessory) |
| Accuracy | ±0.01 pH; | ±0.01 pH; | ±0.01 pH; |
| ±1 mV; | ±1 mV; | ±1 mV; | |
| ±0.5 °C | ±0.5 °C | ±0.5 °C | |
| Temperature resolution | 0.1 °C | 0.1 °C | 0.1 °C |
| pH resolution | 0.01 | 0.01 | 0.01 |
| Measurement Range (Voltage) | -1,999 mV – 1,999 mV | -1,999 mV – 1,999 mV | -1,999 mV – 1,999 mV |
| pH measuring range | 0 – 14 | 0 – 14 | 0 – 14 |
| Measurement Range (Temperature) | 0 °C – 100 °C | 0 °C – 100 °C | 0 °C – 100 °C |
| Parameter | pH / ORP | pH / ORP | pH / ORP |
| Battery Life | 500 Hours with Disposable Batteries | 500 Hours with Disposable Batteries | 500 Hours with Disposable Batteries |
| Power | 4 AAA (LR03) Batteries (Included) | 4 AAA (LR03) Batteries (Included) | 4 AAA (LR03) Batteries (Included) |
| Temperature Sensor | 30 KΩ NTC | 30 KΩ NTC | 30 KΩ NTC |
| In-use cover | No | No | No |
| Dimensions (Height) | 33.0 mm (1.38 in) | 33.0 mm (1.38 in) | 33.0 mm (1.38 in) |
| Dimensions (Width) | 90.0 mm (3.54 in) | 90.0 mm (3.54 in) | 90.0 mm (3.54 in) |
| Dimensions (Length) | 170.0 mm (6.69 in) | 170.0 mm (6.69 in) | 170.0 mm (6.69 in) |
| pH accuracy (±) | 0.01 | 0.01 | 0.01 |
