Controlling and monitoring appropriate levels of various ions plays an essential role in maintaining the health of biological environments. This is why AlpHa’s Ion-Selective Electrodes are capable of measuring a range of ions that are crucial in aquaculture, agriculture, & hydroponics, with some examples as follows:
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Utilizing ion-selective electrodes (ISE) in aquaculture, agriculture, and hydroponics may become complicated by pressure, flow, and chemical contamination. These challenges can be mitigated with the optimal sensor design. AlpHa’s ISE portfolio can target over twenty different ions which are designed for both lab and continuous process environments.
| Ion-Selective Electrode | Range @ 25°C | Technology Type | Temp. Range | Warranty |
| Ammonia (NH3) | 0.01 – 17,000 ppm as NH3 | Gas Sensing | 0 – 50°C | 12 Months |
| Ammonium (NH4+) | 0.1 – 14,000 ppm as N | PVC Membrane | 0 – 40°C | 6 Months |
| Bromide (Br-) | 0.2 – 79,900 ppm | Solid State Pellet | 0 – 80°C | 12 Months |
| Cadmium (Cd2+) | 0.01 – 11,200 ppm | Solid State Pellet | 0 – 80°C | 12 Months |
| Calcium (Ca2+) | 0.5 – 40,100 ppm | PVC Membrane | 0 – 40°C | 6 Months |
| Carbon Dioxide (CO2) | 4.4 – 440 ppm | Gas Sensing | 0 – 50°C | 12 Months |
| Chloride (Cl-) | 1.8 – 35,000 ppm | Solid State Pellet | 0 – 80°C | 12 Months |
| Copper (Cu2+) | 0.064 – 6,400 ppm | Solid State Pellet | 0 – 80°C | 12 Months |
| Cyanide (CN-) | 0.2 – 260 ppm | Solid State Pellet | 0 – 80°C | 12 Months |
| Fluoride (F-) | 0.02 – 19,000 ppm | Solid State Crystal | 0 – 80°C | 12 Months |
| Fluoroborate (BF4-) | Varies | PVC Membrane | 0 – 40°C | 6 Months |
| Iodide (I-) | 0.01 – 127,000 ppm | Solid State Pellet | 0 – 80°C | 12 Months |
| Lead (Pb2+) | 0.2 – 20,700 ppm | Solid State Pellet | 0 – 80°C | 12 Months |
| Lithium (Li+) | 0.2 – 10,000 ppm | PVC Membrane | 0 – 40°C | 6 Months |
| Magnesium (Mg2+) | 0.1 – 30,000 ppm | PVC Membrane | 0 – 40°C | 6 Months |
| Nitrate (NO3-) | 0.1 – 14,000 ppm as N | PVC Membrane | 0 – 40°C | 6 Months |
| Nitrogen Oxide (NOx) | Varies | Gas Sensing | 0 – 50°C | 12 Months |
| Perchlorate (ClO4-) | Varies | PVC Membrane | 0 – 40°C | 6 Months |
| Potassium (K+) | 0.04 – 39,000 ppm | PVC Membrane | 0 – 40°C | 6 Months |
| Silver (Ag+) | 0.01 – 107,900 ppm | Solid State Pellet | 0 – 80°C | 12 Months |
| Sulfide (S2-) | 0.01 – 32,100 ppm | Solid State Pellet | 0 – 80°C | 12 Months |
| Sodium (Na+) | 0.01 – 100,000 ppm | Sensing Glass | 0 – 80°C | 12 Months |
| Surfactant (X+ / X-) | Varies | PVC Membrane | 0 – 40°C | 6 Months |
| Water Hardness (Ca2+ / Mg2+) | 0.5 – 40,000 ppm | PVC Membrane | 0 – 40°C | 6 Months |