Solinst 101 P7 Operating Instructions

Indicator Light
Model 101
Battery Test
Button
Battery
Test
Handle
101 P7 Probe
Front View

Equipment Check

1. Turn sensitivity dial fully clockwise.
Notes: 1. Clockwise rotation of sensitivity dial turns meter on and
increases sensitivity.
2. Always set switch to highest sensitivity position, then
decrease if necessary.
2. Depress the Battery Test button to test the battery and main
circuitry (does not test the tape or probe).
3. Submerse the probe in tap water. This completes the circuit
and activates the buzzer and light.

The Tape Guide

The Tape Guide has been designed to:
• Improve accuracy when reading water levels,
• Easily obtain repeatable measurements,
• Prevent tape being cut by well casing,
• Allow the tape and probe to hang straight from the side
of the well.
1. Fit the small end of the Tape Guide onto the edge of well casing
2" (50 mm) diameter or larger.
2. For small reels only, insert the leg of the Water Level Meter
into the hole on the Tape Guide and rest the Water Level
Meter on the side of the well casing. (See diagram above).
3. To store the Tape Guide, simply clip it onto the support
bracket located on the back of the Water Level Meter.
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Water Level Meter Operating Instructions
On/Off
Sensitivity Dial
Off
Sonalert
Battery Drawer
210288
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Measurement Point
Insert Water Level
Meter leg through
hole
Fit onto well casing
High Quality Groundwater and Surface Water Monitoring Instrumentation
Probe Holder
Back View

Water Level Measurements

1. The P7 Probe zero measurement point is located near the tip
of the probe.
2. For ease of operation the Tape Guide can be used to support
the Water Level Meter. (See diagram above).
3. Feed the tape into and out of the well using the groove in
the top of the Tape Guide. The light and buzzer activate
when the black Delrin tip is submerged and the zero point
is reached. To ensure accuracy, lower and raise the probe a
few times and then record the depth measurement from the
tape at the top of the well.
4. When using the Tape Guide, the measuring point is offset
from the top of casing. To adjust your measurements to the
top of the casing, simply subtract the amount indicated on
the front of the Tape Guide (i.e. 6 cm or 2/10 ft).
anchored to the well casing with the
tape guide for stable operation.
Only for small reels. Medium
and large reels should be
Model 101 P7
Tape Guide
Brake
Tape Guide:
prevents tape
from scraping
the top edge
of well casing
Water Level Meter:
placed on the ground.
High quality
PVDF tape: hangs
straight in the well for
accurate water level
measurements.
P7 Probe:
zero measurement
point located here.