氨氣敏電極
用於測量從0.01 ppm至17,000 ppm NH3（5x10-7 M至1M）濃度的氨。可用於氨氮(NH3-N)的測量。
相關應用包括：高純度發電站水、魚缸、海水、廢水、電鍍槽、生物樣品。
| Model # | NH31501C |
| Slope | 56 ± 3 mV between 10-100 ppm @ 25°C |
| Reproducibility | ± 2% |
| Interferences | Volatile amines |
| Temperature Range | 0 to 50° C (if calibrated at that temperature) |
| Pressure Range | 0 to 10 psi |
| Response Time | 95% response in 30 seconds |
| Storage | Long term, store dry Short term, store in ammonia standard with ISA added |
| Concentration Range | 0.01 ppm to 17,000 ppm (5 x 10-7 M to 1 M) |
| pH Range | Above 11 pH |
| Resistance | 1000 to 1500 megaohms |
| Care, Maintenance & Cleaning | Treat with a dilute ammonia standard with pH adjusted > pH 11 Replace membrane as needed |
| Isopotential Point | Unknown |
| On-Line Capability | Yes, pH control required |
| Applications | High Purity Power Station Waters, Fish Tanks, Sea Waters, Waste Waters, Plating Baths, Biological Samples |