Solinst Model 102 Laser Marked Water Level Meter With P4 Probe

The Solinst Model 102 Water Level Meter is designed to measure groundwater levels, especially in small diameter tubes and piezometers, or where a flexible assembly is needed to get past down hole instrumentation.

Operating Principles

The Model 102 Water Level Meter uses a choice of two small diameter probe designs, attached to a narrow coaxial cable, fitted on a sturdy ergonomically designed reel. A standard  9 volt battery, housed in an easy-access battery drawer, powers the Water Level Meter.

When the probe enters water the electrical circuit is completed, sending a signal back to the reel where a light and clearly audible buzzer are activated. The water level is then determined by taking a reading directly from the cable at the top of the well casing or borehole.

A sensitivity control allows the buzzer to be scaled back or turned off while in cascading water, and ensures a clear signal in both high and low conductivity conditions.

Narrow Diameter Probe

Model 102 Probe is designed for flexibility. The probe tip uses a recessed design to minimize false signals in cascading water. 

P4: 4 mm dia. x 38 mm long (0.157" x 1.5") stainless steel weighing 10 g (0.35 oz), with no weights. It is ideal for shallow applications and for accessing very narrow diameters, especially the channels of the Solinst CMT System, DrivePoint Piezometers or narrow open tubes.  

Laser Marked Cable

The coaxial cable has a durable polyurethane jacket with permanent markings precisely laser etched on the cable every each millimeter or every 1/100 ft. The cable reels smoothly, remains flexible, and comes in lengths from 30 m – 300 m (100 ft – 1000 ft). A braided copper outer conductor gives flexibility and a stranded stainless steel central conductor gives strength. It is easy to repair and splice.

114910          102 Mk2 Water Level Meter, P4/N2/100ft

114912          102 Mk2 Water Level Meter, P4/N2/200ft

114913          102 Mk2 Water Level Meter, P4/N2/300ft

114914          102 Mk2 Water Level Meter, P4/N2/30m

114915          102 Mk2 Water Level Meter, P4/N2/60m

114916          102 Mk2 Water Level Meter, P4/N2/100m

Cable Length Options

Solinst Model 102 Water Level Meters are available on reels in the following standard lengths:

Small Reel 30 m 100 ft   60 m 200 ft   100 m  300 ft  

* For Longer Lengths - See Solinst Model 102 With P10 Probe

Water Level Meter Features

Low Cost       • Solinst quality at a low price

Narrow          • 4 mm (0.157") diameter probe

Long Life       • Rugged, corrosion resistant components

                      • Strong, flexible cable is easily spliced

                      • Replacement probes, cables and parts

Accurate        • Precise markings every mm or 1/100 ft

                      • Traceable to national standards

Other Options

Carrying Bag: Padded nylon carrying bags are available, as optional extras. The bag design has a convenient shoulder strap, zippered front pocket, zippered top, and a grommet in the base to prevent moisture build-up.

Tape Guide/Datum

The tape guide can be used to protect the cable from damage on rough edges, help the probe hang straight in the well, and ensures consistent measurements. It can also provide reel support on the casing. A tape guide is provided with each standard reel.