Level Measurement Device Comparison

Level Measurement Device Description Probe Diameter Tape/Cable Lengths
101 P7
Water Level Meter
solinst model 101 p7 water level meters Manually measure depth to water using flat tape marked each 1/100 ft. or mm. 101 P7 Meters use laser-marked PVDF flat tape. The P7 Probe is ideal for measuring total well depth, and is also very simple to replace. 5/8"
(16 mm)
100 - 5000 ft.
(30 - 1500 m)
101 P2
Water Level Meter
101 P2 Meters use heat-embossed polyethylene tape. The P2 Probe is simple to clean and repair 0.55"
(14 mm)
100 - 1000 ft.
(30 - 300 m)
101B
Water Level Meter
solinst model 101b basic water level meter Manually measure depth to water using heat-embossed polyethylene flat tape, marked every centimeter. The P1 Probe is leak-proof. 5/8"
(16 mm)
30 m, 60 m, 100 m
102
Water Level Meter
solinst model 102 water level indicators Manually measure depth to water using narrow coaxial cable, laser-marked each 1/100 ft. or mm. P4: 0.157"
(4 mm)
P10: 3/8"
(10 mm)
100 - 1000 ft.
(30 -300 m)
102M
Mini Water Level Meter
P4: 0.157"
(4 mm)
P10: 3/8"
(10 mm)
80 ft.
(25 m)
103 Tag Line solinst model 103 tag lines Manually measure well depths using durable cable, laser-marked every 1/4 ft. or 5 cm, or PVDF flat tape laser-marked every 1/100 ft. or mm.

(Also a marked support line for samplers, packers, and dataloggers)
3/4" (19 mm) or 1/2" (13 mm) 100 - 1000 ft.
(30 - 300 m)
201 Water Level Temperature Meter solinst model 201 water level temperature meter Manually measure water level and temperature. Water Level measurements are taken from PVDF flat tape laser-marked each 1/1000 ft. or mm. 5/8"
(16 mm)
100 - 2000 ft.
(30 - 600 m)
107 TLC Meter solinst model 107 tlc meters Manually measure water level,temperature, and conductivity. Water Level measurements are taken from PVDF flat tape laser-marked each 1/100 ft. or mm. 3/4"
(19 mm)
100 - 1000 ft.
(30 - 300 m)
122 Interface Meter solinst model 122 oil water interface meters Manually measure water levels and detect oil/water interfaces. Allows measurement of DNAPL or LNAPL layers. Using the standard 122, levels are taken from PVDF flat tape laser-marked each 1/100 ft. or mm. Using the 122M, levels are taken from PVDF cable laser-marked each 1/100 ft. or mm. 5/8"
(16 mm)
50 - 1000 ft.
(15 - 300 m)
122M Mini Interface Meter 5/8"
(16 mm)
Cable: 80 ft.
(25 m)