The VAR-E vacuum pump sampling system is for flow-proportional sampling, and uses a method developed by WaterSam to meter sample volumes.
- Robust yet economical
- Simple switching to fixed volumes
- Borosilicate glass metering vessel
| Sample Media | Clean water/wastewater |
| Sampling Modes | Time-, volume-, event-, flow-proportional |
| Sample Volumes | Variable (dependent on flow) or fixed; adjustable: 20 - 200 ml Optional: larger volumes |
| Wetted Parts | Borosilicate glass (dishwasher-safe; resistant to acid, alkali, and temperature shock), silicone, PVC, stainless steel Optional: custom materials upon request |
| Available for | WS 98, WS 312, WS 316, WS 316 SE |
