101 P7 Water Level Meter
The Solinst Model 101 P7 Water Level Meter
The Industry Standard for Depth-to-Water Precision
The Model 101 Water Level Meter is the workhorse of groundwater monitoring, trusted by field hydrogeologists worldwide. Combining our highly responsive P7 submersible probe with our premium, laser-marked PVDF flat tape, this system delivers uncompromising reliability in any monitoring well.
The P7 Submersible Probe
Engineered for Instantaneous, Zero-Displacement Readings
- Sensor-at-the-Tip Design: The sensor is located at the absolute tip of the probe, providing immediate, highly consistent readings with zero water displacement lag the instant it contacts the water table.
- Dual-Function Testing: Easily measures both depth-to-water and total well depth.
- Heavy-Duty Construction: The probe is constructed from high-grade, corrosion-resistant stainless steel. It is fully submersible and pressure-rated up to 300 m (1,000 ft).
Enhanced Laser Marked Tape Features
The Toughest, Most Legible Tape in the Industry
- No-Cling “Dog-Bone” Profile: Designed with an enhanced, thick dog-bone cross-section that prevents the flat tape from sticking or clinging to the wet interior walls of the well casing.
- Permanent Precision Markings: Accurate laser-markings are heat-impregnated directly into the PVDF material every millimeter or
1/100 ft . - Non-Stretch Structural Integrity: Reinforced with heavy, stranded stainless steel and copper-clad steel conductors to ensure exceptional tensile strength, perfect electrical conductivity.
Heavy-Duty Accuracy. Backpack-Sized Portability
Get industry-standard water level measurements in your narrowest wells. The Solinst Model 101M Mini packs a rugged, laser-marked flat tape and a weighted
Compact and Lightweight
Mounted on an ergonomic, scaled-down mini reel, the entire system easily fits into a backpack or small carrying case. It’s the perfect companion for remote field sites where weight and space are at a premium.
10mm Diameter Probe
The specialized P10 probe features a ultra-slim diameter of just 10mm (3/8 inch). Combined with a flexible assembly of 10 stainless steel weights, it easily bypasses structural obstructions to hang straight in narrow wells.
Laser-Marked Accuracy
The narrow 5mm (1/5 inch) polyethylene flat tape features permanent, heat-impregnated laser markings accurate to the millimeter or
Simple, Reliable Field Operation
The 101M Mini Water Level Meter operates on the same time-tested electronic principles as the industry-standard Model 101 Water Level Meter.
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The Sensor Contact: As the probe lowers into the borehole, an insulating gap between the stainless steel electrodes remains open.
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The Water Bridge: The instant the probe tip touches water, the circuit is completed, sending a signal back up the non-stretch tape.
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Instant Indication: The reel immediately activates a loud, high-pitched buzzer and a brilliant red LED light.
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Precision Readout: Read your depth-to-water measurement directly off the high-contrast laser markings at the top of the well casing.
Engineered for Tough, Real-World Fieldwork
- Adjustable Sensitivity Control: Easily fine-tune the dial to ignore cascading water or compensate for high/low conductivity environments, ensuring zero false readings.
- Ergonomic Reel Design: Features an integrated, comfortable carrying handle and a built-in probe holder to keep your equipment secure during transit.
- Padded Nylon Carrying Case (Optional): Protect your investment with a rugged, water-resistant zippered bag that features a convenient shoulder strap and external pockets for field notes.
Related Products
101 Power Winder
The 101 Power Winder provides both convenience and ease of use for all Solinst reel-mounted devices. It is lightweight and easy to attach to small, medium or large size Solinst reels, and is simple to adjust to fit other reels in the market. Effortlessly wind longer tape lengths.
(Image shows 101 Power Winder Installed on Solinst Model 101D Water Level DrawDown Meter)
Bladder Pumps with Easy to Replace Bladder Cartridges
Solinst Bladder Pumps now feature Santoprene® bladder cartridges that are quick and easy to replace in the field – no tools required. PVC Bladder Pumps are low cost and excellent for metals sampling and in harsh, corrosive environments.
Related Blog Posts
The Importance of Measuring Water Level Drawdown
How Using a Levelogger and 101D Water Level DrawDown Meter Together Provides Essential Data.
What is Drawdown? Drawdown is a change in groundwater level due to an applied stress, caused by events such as: Pumping from a well Pumping from a neighbouring well Intensive water taking from local area Seasonal declines as recharge rates lower....
