Standard ES, Model 115

Standard ES is a version or our very popular Standard Water Sampler, similar with Niskin type.
The internal power cord, which activates the closing mechanism is placed outside along the rigid PVC body, eliminating the risk of sample contamination.  Also, with this arrangement, the power cord can be easily inspected and replaced when becomes weak after a period of time.  All the other characteristics of this type of sampler remain unaltered.
The simplicity of this improved water sampler, easy to operate and very cost effective, makes it attractive.

C-Free Chamber Water Sampler, Model 114

Description:
The C-Free Chamber Water Sampler is a nonmetallic, sturdy body construction made of grey PVC.  This product provides the same basic performance as the Niskin type water sampler.  Additionally, its internal chamber is free of any source of contamination.  The closing mechanism is of a ball-valve type activated by an external power cord.  The effectiveness of the seal is ensured continuously even in the event the power cord becomes weak or damaged.  Also, this arrangement ensures a very reliable seal, eliminating any leakage caused by accidental bumping or shaking of the sampler during recovery.

During deployment the sampler has both ends open allowing for free-flushing for accurate layer sampling.

The absence of an internal source of contamination allows for storing the sample inside the sampler for an extended period of time before being drained.

A pressure release valve can be added for close-open-close deployment.  This feature prevents contamination from the surface layer of water.

Model 114

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