Below are typical sensors (with their specs) which are used by STEP TECHNOLOGY for both SODA WATER and SODA AIR applications:
SODA WATER
| No | Sensor | Application |
| 1 | pH | pH |
| 2 | ORP | Oxygen Reduction Potential |
| 3 | DO | Dissolved Oxygen |
| 4 | EC / TDS | Electrical Conductivity/ Total Dissolved Solid |
| 5 | SS / Turbidity | Suspended solid / Turbidity |
| 6 | Temp | Temperature |
| 7 | Calcium hardness | Hardness |
| 8 | Chlorine residue | Free Chlorine |
| 9 | Ozone | Ozone |
| 10 | MLSS | Mixed Liquor Suspended Solids |
SODA AIR
| Item | Pollution | Accuracy | Range |
| 1 | Formaldehyde | 0.01mg/m3 | 0-10 mg/m3 |
| 2 | (PM2.5) | 1ug/m3 | 0-500 ug/m3 |
| 3 | TVOC | 0.01mg/m3 | 0-10 mg/m3 |
| 4 | CO2 | 1ppm | 0-5000ppm |
| 5 | Noise | 1dB | 0-100 dB |
| 6 | Humidity | 1%RH | 0-100%RH |
| 7 | Temperature | 0.1C | -20-70 C |
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