Comparing Multilevel Systems

solinst cmt multilevel system Waterloo multilevel system Discrete zone monitoring Discrete zone sampling Waterloo system Multilevel monitoring imageThe CMT System (Since 1999)

CMT offers in-field design flexibility, low cost and is easy to install. The number of monitoring ports, port locations, install depths, and monitoring strategy, can all be accommodated and designed right in the field. The single tube offers effective sealing.The 7-Channel is 1.7″ (43 mm) and the 3-Channel is 1.1″ (28 mm).

The Waterloo System (Since 1983)

Waterloo Systems have a modular design that gives a similar flexibility to application as that of the CMT. Their design is much more suited, however, for deeper installations. The engineered seals and dedicated sampling and level monitoring capabilities have been used to 1000 ft (300 m). They are ideal for use in bedrock and for long term monitoring.

CMT

Waterloo

Ideal Depth

20 ft – 100 ft
(6 m – 30 m)
200 ft – 1000 ft
(60 m – 300 m)

Typical Borehole

Overburden > 3.25″ (8.3 cm) dia.
(direct push)
> 5″ (12.5 cm) dia.
Bedrock > 3.25″ (8.3 cm) dia. 3″ (7.6 cm)
to 4″ (10 cm) dia.

Isolating Zones

Engineered Packers 3-Channel
Layers of Sand & Bentonite
Direct Burial

Max# of Sampling Zones

7 24

Measuring Depth to Water

< 20 ft (6 m) below ground 102 Water Level Meter 102 Water Level Meter
> 20 ft (6 m) below ground 102 Water Level Meter Vibrating Wire Transducer

Groundwater Sampling

Dedicated – 1/4″ Mini Inertial Pump
– 3/8″ Micro DVP
– Bladder Pump
– 5/8″ DVP
Portable – Peristaltic Pump
– 1/4″ Mini Inertial Pump
– 3/8″ Micro DVP
– Peristaltic Pump
– 1/4″ Mini Inertial Pump
– 3/8″ Micro DVP