SOLINST Model 101 Water Level Meter

For measuring the depth to water in wells, boreholes, standpipes,
and tanks, Model 101 Water Level Meters are the industry
standard for portable hand operated meters. They are sturdy,
easy to use and read accurately to 1/ 100 ft. or each millimeter.

The Model 101 P7
Water Level Meter features a pressure-proof probe rated to
500 psi and laser marked PVDF tape. The Model 101 P2 Water
Level Meter features an easy-to-repair probe and heat embossed
polyethylene tape.

Operating Principles
Model 101 Water Level Meters use corrosion proof stainless
steel probes attached to permanently marked flat tape, fitted
on a well-balanced reel. They are powered by a standard 9 volt
battery.

The probes incorporate an insulating gap between electrodes.
When contact is made with water, the circuit is completed,
activating a loud buzzer and a light. The water level is then
determined by taking a reading directly from the tape at the top
of the well casing or borehole.
A sensitivity control allows the buzzer to be turned off while in
cascading water, and ensures a clear signal in both high and low
conductivity conditions.
Reels
With a stand-alone design, convenient carrying handle, and
sturdy probe holder, the standard reels are ergonomically
designed for ease of use. They are robust and smooth running.
The battery is housed in a convenient drawer in the front of the
reel, allowing quick replacement.

P7 Probe
The P7 Probe is submersible up to 1000 ft. ( 300 m) , ideal
for measuring total well depth. The sensor at the tip of the
probe provides consistent measurements with almost zero
displacement.
PVDF Laser Marked Tape
The Model 101 P7 Water Level Meter uses extremely durable,
PVDF flat tape, traceable to NIST and EU measurement
standards. Each tape conductor contains 13 strands of stainless
steel, and 6 strands of copper-coated steel, making the tape
non-stretch and high in tensile strength and electrical efficiency.

P2 Probe
Printed in Canada
May 31, 2013
Zero Measurement Point
The P2 Probe is shielded in design to reduce or eliminate false
readings in cascading water. The probe consists of a stainless
steel body with a neoprene heat shrink seal. It is not suitable for
submergence to any significant depth. Its simple design makes
it easy to repair.
Polyethylene Tape
The Model 101 P2 Water Level Meter uses high quality
polyethylene tape that reels smoothly, remains flexible and hangs
straight in the well. Heat embossed marking each millimeter or
1/ 100 ft. allow accurate readings. The 3/ 8 " ( 10 mm) wide tapes
come in lengths up to 1000 ft. ( 300 m) .
M3 Meters and centimeters: with markings every mm.
Tape Guide/ Datum
A tape guide is provided
with each Meter. It protects
the tape from damage
on rough edges of well
casing and ensures easy,
consistent measurements,
regardless of who takes the
readings. It can also provide
support on the casing, for
small reels.

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