表面活性劑離子選擇電極
專門測量1.0 ppm至12,000 ppm（10-5 M至10-2 M）濃度的表面活性劑。
應用包括：洗滌劑，餐具洗滌液，清潔用品，食品。
| Model # | SUR1502 |
| Slope | > 200 mV during titration |
| Reproducibility | ± 2% |
| Interferences | Similar types of surfactants |
| Temperature Range | 0 to 40° C |
| Pressure Range | 0 to 30 psi |
| Response Time | 95% response in 30 seconds |
| Storage | Long term, store dry Short term, store in dilute SLS or Hyamine titrant standard |
| Concentration Range | N/A (Titration Device) |
| pH Range | 2 to 12 pH |
| Resistance | 1 to 100 Megaohms |
| Care, Maintenance & Cleaning | Treat with a dilute SLS standard or Hyamine titrant, or soak in de-ionized water Polish with polishing strips |
| Isopotential Point | Unknown / Not Applicable |
| On-Line Capability | No |
| Applications | Detergents, Dishwashing Liquids, Cleaning Supplies, Food Products |