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Water level drawdown meter switches between modes

The Model 101D Water Level DrawDown Meter from Solinst Canada Ltd. indicates static water level, monitors falling hydraulic head and switches easily between water level and drawdown modes.

In water level mode, the Model 101D Water Level DrawDown Meter allows accurate depth to water measurements in wells, boreholes, standpipes and tanks. The drawdown function is used to monitor falling hydraulic head during low flow sampling, pumping and other aquifer and well tests, the company said in a news release.

It also ensures a pump’s intake remains submerged during purging or well development.

The meter includes all the same qualities as the Model 101 P7 Water Level Meter, with a simple control added to switch between modes, Solinst Canada said. The 101D has a sturdy reel and frame and convenient features such as a brake, probe holder, tape guide, on/off sensitivity dial, battery test button, and easy-to-access battery tray for a standard 9V battery.

In water level mode, when the zero point on the probe enters water, an electronic circuit is completed, activating a buzzer and light. In drawdown mode, the circuit is reversed – the buzzer and light are triggered when the probe is in air.

The levels are read from durable, chemical-resistant flat tape, which is accurately laser marked every 1/100 ft. or mm. Tape lengths are available up to 5000 ft. (1500 m). The robust P7 Probe is submersible to 1000 ft. (300 m), and can be easily replaced in the field, if required.

solinst.com