鉛離子選擇電極
專門測量濃度為0.2 ppm至20,700 ppm（1x10-6 M至0.1 M）的Pb + 2。
應用包括：電鍍浴。
| Model # | PB21502 |
| Slope | 25 ± 3 mV between 10-100 ppm @ 25°C |
| Reproducibility | ± 2% |
| Interferences | Ag+1, Hg+2, Cu+2, high levels of Cd+2, Fe+2 |
| Temperature Range | 0 to 80° C (if calibrated at that temperature) |
| Pressure Range | 0 to 70 psi |
| Response Time | 95% response in 30 seconds |
| Storage | Long term, store dry Short term, store in dilute lead standard |
| Concentration Range | 0.2 ppm to 20,700 ppm (1 x 10-6 M to 0.1 M) |
| pH Range | 3 to 8 pH |
| Resistance | < 1 Megaohm |
| Care, Maintenance & Cleaning | Polish with polishing strips Treat with a dilute ISA |
| Isopotential Point | 50,000 ppm |
| On-Line Capability | Yes |
| Applications | Plating baths |