Monitoring Options

Water levels and samples can be accurately obtained using the following quality Solinst instruments:

 

Water Level Measurement:

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Model 102 Water Level Meter

The narrow, laser marked, coaxial cable Model 102 Water Level Meter and 102M Mini Water Level Meter with a 0.157" (4 mm) diameter P4 Probe can be used to monitor water levels in any CMT channel. It is narrow enough to be used along side a pump in the same channel.

 

Well Completion:

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Model 103 Tag Line

The Tag Line is ideal to aid accurate placement of sand and bentonite during borehole completion.

The durable cable is laser marked every 1/4 foot or 5 cm.

 

Sampling Methods:

Depending on the depth to water at your site, and your sampling protocol, Solinst offers various sampling options.

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Model 410 Peristaltic Pump

Ideal for sample retrieval from shallow water levels less than 30 ft. (9m).

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Mini Inertial Pump 1/4" (6mm)

The Mechanical pump uses 1/4" LDPE tubing. Typical flow rates of 50 to 250 ml/min. Suitable for use to depths of approximately 150 ft. (45 m). If the water level on your site is deeper than 50 ft. (15 m), PTFE tubing is recommended.

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Model 408M DVP (3/8" Dia) Micro Double Valve Pump

The Micro Double Valve Pump (DVP) is ideal for low flow VOC sampling in narrow applications. The Micro DVP is made of flexible PTFE or polyethylene tubing which is 3/8" (9.5 mm) in diameter. A manifold at the surface has a quick-connect fitting for attachment to the Solinst Electronic Control Unit and a bypass for easy sample collection. Operation is easy, as the Electronic Control Unit has built in presets. A multi-purge manifold is also available for the Micro DVP.

Multi-Purge Manifold

A multi-purge manifold can be considered for purging multiple CMT channels simultaneously using Micro Double Valve Pumps in each channel

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Model 464 Electronic Pump Control Unit

Durable and easy to operate with the 408M by using built-in presets, or customized saved settings.

 

Vapor Samples:

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Model 403 Vapor Monitoring & Wellhead Seal Assembly

Channel seal assemblies are availabe to seal the CMT channels in case of flowing artesian conditions, or vapor monitoring. If desired, a 3-way valve can be attached to the seal assembly directing vapor to a pressure gauge connected at one end of the valve and a sample vessel at the other.

 

 

CMT Multilevel - Monitoring Options
Measuring Water Levels
Depth to Water (ft) Level Measurement Device
Flowing Flow Through Assembly consisting of:
3 way valve to: pressure gauge, sample tube, & stop flow.
0 to 80 102M - with 1/4" P1 probe.
0 to 300+ 102 - with 1/4" P1 probe.

 

Purging & Sampling
Depth to Water (ft) Pump Type Suggested Tubing Typical Flow Rates (mL/min)
< 25 410 Peristaltic Pump 1/4" LDPE 100 to 3000
< 50 Mini Inertial Pump 1/4" LDPE 250
50 to 200 Mini Inertial Pump 1/4" Teflon 50 to 250
< 50 408M Double Valve Pump 3/8" LDPE & 3/16" Teflon 250
50 to 200 408M Double Valve Pump 3/8" LDPE & 3/16" Teflon 50 to 250