Prefilled Equilibrator PDBs: For the easiest and most convenient installation, order prefilled samplers so they arrive on-site filled with certified de-ionized (DI) water, ready to install. Certificate of Analysis (COA) available for each DI water lot.
De-ionized Water Travel Blanks: EON provides a separate and inexpensive water "Travel Blank" of the exact same DI water and membrane used in the prefilled sampler so you can validate the pre-installation contents without sacrificing a sampler.
Option: Fill Your Own Equilibrator PDBs: Order the unfilled Equilibrator PDBs and fill them with de-ionized water, on site, in your office or any other convenient place, using water from your lab or get bottled de-ionized water from EON.
Reusable Suspension Tether: PDBs are installed on a reusable, weighted suspension tether connected to the underside of the well cap. EON’s Tether Service provides a custom tether for each well; cut to length, with attached weight, locking well cap, stamped well ID Tag, and connection rings located in the precise depth location you specify. The tether is reused in the same well to ensure samplers are placed in the exact same location time after time.
Equilibrator Design Features
- Built-in Protective Mesh protects the sampler membrane and adds strength.
- Connection loops to facilitate easy attachment to the suspension tether using zip-ties
- Semi-permeable LDPE membrane holds deionized water and allows transmission of VOCs into sampler.
- Easy to empty. Just puncture with our VOC “Juice-Box Straw” and empty directly into lab bottle.
- Filling port for field, lab, or factory filling.
- Equilibrator samplers, one per sample interval
- Deionized water to fill samplers (or purchase Prefilled samplers)
- Fill kit (1 per deployment team, reusable)
- Tether/suspension cord (1 per well, reusable)
- Stainless steel weight (1 set per well, reusable. Comes with suspension Tether)
- Well cap with attachment ring from which to suspend the Tether (1 set per well, reusable. Comes with suspension Tether)
- Cable ties to attach PDBs to Tether
- Tether preparation service
- VOC resistant shipping and storage pouch
EON's Equilibrator Passive Diffusion Sampler can be used for surface water, too!