| Multi sensor | Troll 100 | Troll 200 | Troll 400 |
|---|---|---|---|
| Supported parameter: | Actual conductivity, specific conductivity and temperature | Actual conductivity, specific conductivity, temperature, water depth/pressure | Actual conductivity, specific conductivity, dissolved oxygen, pH, OPR, temperature, water level/depth/pressure (absolute) |
| Conductivity: | +/- 0.5% +1uS/cm typical +/- 1% max range | +/- 0.5% +1uS/cm typical +/- 1% max range | +/- 0.5% +1uS/cm typical +/- 1% max range |
| Oxygen: | - | - | +/- 0.1mg/L 0-8mg/L +/- 0.2 mg/L 8-20mg/L +/- 0.10% 20-50mg/L |
| Temperature: | +/- 0.5 degrees C | +/- 0.5 degrees C | +/- 0.5 degrees C |
| ORP: | - | - | +/- 0.5mV |
| pH: | - | - | +/- 0.1 pH unit |
| Housing: | Titanium body and sensors, Delrin nose cone, and PVC conductivity cell | Titanium body and sensors, Delrin nose cone, and PVC conductivity cell | PVC, acetal, titanium, 316 stainless steel |
