Solinst
Model 101/Mini 101
Water Level
Measurement Devices
The Model 101 Water Level Meter is
used for measuring the depth of water in wells,
boreholes, and standpipes, and is the most
accurate and reliable of the Solinst meters. It is easy to operate and
read to 1/100 ft. or to each millimeter.
Also available is the less expensive Model 102 Coaxial Cable Water
Level Meter for use in small diameter tubes.
The Mini 101 Water Level Meter is ideal for use
in narrow diameter applications as small as 3/8" (10 mm).
The narrow 1/4" (6 mm) tape is mounted on
a convenient small reel that is light weight and fits easily into a
backpack. The accurate, flat white tape is marked each 1/100 ft. or
each mm.
The Mini 101 is available in 30 ft, 65 ft, 10m
and 20m lengths with a choice of the 1/4" (6mm) P1 probe, or the
heavier 3/8" (10mm) P2 probe.
Model
101 Operating Principles
The Model 101 Water Level Meter uses a choice
of probe designs, attached to a permanently marked polyethylene tape,
fitted on a well-balanced reel. It is powered by a standard 9 volt
battery housed in an easy-access battery drawer. The conductors
embedded within the tape each have seven strands of stainless steel
for strength and flexibility.
The probe incorporates 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.
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Tape Specifications
The high quality polyethylene tape reels smoothly, remains flexible
and hangs straight in the well, irrespective of temperature. Permanent
markings each millimeter or 1/100 ft. allow accurate readings,
traceable to national standards.
Stranded stainless steel conductors resist corrosion, provide
strength and are non-stretch. They make the tape very easy to repair
and splice. The dog-bone design avoids adherance to wet surfaces.
Markings are permanently impregnated onto one side of the tape and are
available in your choice of scale or with a combination of scales.
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Features
- Accurate
- Markings each 1/100 ft. or millimeter
- Traceable to national standards
- Sensitivity adjustable to conductivity
- Shielded probes to avoid false readings
- Reliable
- Permanent, heat impregnated markings
- Non-stretch stainless steel conductors
- Long Life
- Rugged, corrosion proof components
- Strong, flexible tape, is easily spliced
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Reels
Standard reels are ergonomically designed for good balance and ease
of use, with a stand-alone design, convenient carrying handle and an
excellent brake.
They are robust and smooth running. The battery is housed in a
convenient battery drawer and each reel has a probe holder and brake.
The reels are equipped with an on/off sensitivity switch, light,
buzzer, and a battery test button.
The mini reel is sturdy, yet very compact and easy to carry.
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Tape Guide/Datum
A tape guide is provided with each standard Water Level 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 reel support on the casing.
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Probe Options (Standard Tape)
All probes are designed to reduce or eliminate problems with
cascading water.
- P2
- Stainless Steel: with a neoprene strain relief.
- Size: 0.5" dia. by 7.5" long (12.7 mm x 190 mm).
- P5
- Submersible: stainless steel, leak-proof probe. Simple
design is easy-to-clean, hangs straight in the well, and has
almost zero water displacement.
- Size: 0.5" dia. by 8.625" long (12.7 mm x 220 mm).
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Length Options
Solinst Model 101 Water Level Meters are available on reels in
the following standard lengths:
| Small Reel |
Medium Reel |
Large Reel |
Extra Large Reel |
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Mini
Reel
(Narrow Tape) |
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30 ft. (10 m)
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65ft. (20m)
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Other Options
- Power Reels: Power reels can be very useful to allow
faster or less strenuous operation of longer lengths of tape. The
110 volt power reels are available on request.
- Carrying Bag: Padded nylon carrying bags are available,
as an optional extra. The sturdy design has a convenient shoulder
strap, zippered front pocket, zippered top, and a grommet in the
base to prevent moisture build-up.
- Replacement Parts: Replacement probes, tapes with probe
and other spare parts are available. Meters can also be returned
directly to Solinst, or to authorized repair facilities in Canada
or the U.S.A. for service or repair.
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