เครื่องวัดกรด-ด่าง แบบตั้งโต๊ะ (pH Meter)
| รุ่น (Model) | PH 1100 | PH 1200 | PH 1300 |
| pH/ORP/Temp (oC) | pH/ORP/Temp (oC) | pH/ORP/Ion/Temp (oC) | |
| pH range | -2.00 to 20.00 pH | -2.000 to 20.000 pH | -2.000 to 20.000 pH |
| Resolution | 0.1 / 0.01 pH | 0.1 / 0.01 / 0.001 pH | 0.1 / 0.01 / 0.001 pH |
| Accuracy | ±0.01 pH | ±0.003 pH | ±0.003 pH |
| Cal points | 5 | 5 | 5 |
| Buffer options | USA, NIST | USA, NIST, Custom | USA, NIST, Custom |
| ORP range | ±2000 mV | ±2000 mV | ±2000 mV |
| Resolution | 0.1 mV | 0.1 mV | 0.1 mV |
| Accuracy | ±0.2 mV | ±0.2 mV | ±0.2 mV |
| Ion range | | | 0.000 µg/L to 9999 g/L |
| Resolution | | | 4 significant digits |
| Accuracy | | | ±0.3% full scale |
| Cal points | | | Up to 5 |
| Temperature range | -30.0 oC to 130 oC | -30.0 oC to 130 oC | -30.0 oC to 130 oC |
| Resolution | 0.1 oC | 0.1 oC | 0.1 oC |
| Accuracy | ±0.4 oC | ±0.4 oC | ±0.4 oC |
| Cal option | Yes (±5.0 oC range in 0.1 oC increments) | Yes (±5.0 oC range in 0.1 oC increments) | Yes (±5.0 oC range in 0.1 oC increments) |
| Memory | 500 | 999 | 999 |
| Auto Data-logging | | Yes | Yes |
| Electrode status | On screen display | On screen display | On screen display |
| Diagnostic messages | Yes | Yes | Yes |
| Display | Custom LCD | Custom LCD | Custom LCD |
| Power requirements | AC adaptor 100 ~ 240 V, 50/60 Hz | AC adaptor 100 ~ 240 V, 50/60 Hz | AC adaptor 100 ~ 240 V, 50/60 Hz |
| Electrode stand | Integrated | Integrated | Integrated |
