Groundwater Level Measurement and Logging
Solinst 101 Water Level Meter
Applications
Measurement of groundwater depth in wells, boreholes and standpipes.
 The 101 Water Level Meter consists of a choice of a P2 or P6 probe design attached to a polyethylene tape at one end, and at the other end a reel containing the electronic components of the instrument. Two stainless steel conducting cables run down the length of the tape from the reel to the probe. When the probe comes in contact with water, the circuit is completed which in turn activates a buzzer and light on the reel. The tape has clear markings every millimetre and is labeled every centimetre and metre. A controller on the reel allows for a change of sensitivity to ensure a clear signal in high and low conductivity conditions.
Solinst 102 Water Level Meter
Applications
Measurement of groundwater levels in narrow openings such as piezometers.
The Water Level Meter consists of a choice of P1 or P2 probe design attached to a heavy-duty jacket and stainless steel coaxial cable. When the probe comes in contact with water, the circuit is completed which in turn activates a buzzer and light on the reel. The 102 Water Level Meter is much narrower than the 101 Water Level Meter making it specific for small diameter tubes and piezometers or for cases where flexible cable is required to slide past and in-well pump. A controller on the reel allows for a change of sensitivity to ensure a clear signal in high and low conductivity conditions.
Solinst 103 Tagline
Applications
Designed for use during monitoring-well installation or as a hanger cable for suspending pumps.
The Tag Line is a polyethylene coated 1.6 mm diameter stainless steel cable on a reel marked every metre or ½ metre, with a heavy stainless steel weight attached at the end. It provides a simple method to measure the depth to the bottom of a well, or the depth to the top of a backfill sand or bentonite layer during the completion of a well. With a 122 kg minimum tensile strength, it can also be used as a multi-purpose marked support cable. The cable is mounted on a free-standing reel with a carry handle, brake and a holder for the weight.
Solinst 107 TLC Meter
Applications
Measurement and profiling of conductivity and temperature in wells and open water
The TLC (Temperature/Level/Conductivity) Meter consists of a probe attached to a polyethylene tape at one end, and at the other end a reel containing the electronic components of the instrument. Two stainless steel conducting cables run down the length of the tape from the reel to the probe. When the probe comes in contact with water, a speaker sounds as the water completes the electric circuit. An LCD displays readings for conductivity and temperature and rotates independently of the reel for ease of use.
Solinst 122 Interface Meter
Applications
Determination of LNAPL and DNAPL layers
The Interface Meter consists of a probe attached to a polyethylene tape at one end, and at the other end a reel containing the electronic components of the instrument. Two stainless steel conducting cables run down the length of the tape from the reel to the probe. The probe incorporates an infra-red beam and a detector receiving the light signal. When the probe is submerged in any liquid the light is refracted away from the detector causing the system to go into alarm mode. If the layer is NAPL (conductivity less than 50 μS/cm) the alarm will sound with a steady tone and light. When the probe hits water (conductivity greater than 50 μS/cm) the infra-red alarm circuit is overridden and the conductivity alarm is activated, noticeable by a rapid intermittent tone and flash of light.
Solinst 3001 Levelogger Gold
Applications
Long-term water level monitoring in wells, surface water bodies and seawater environments
Stream gauging, lake levels and reservoirs.
Tank level monitoring.
The Levelogger has a 22 mm x 154 mm watertight stainless steel housing with a zirconium nitride coating for corrosion resistance. Incorporating a pressure transducer and temperature sensor and a 10 year battery life, the Levelogger is designed for measuring and logging water levels in a vast range of different scenarios, with real time data viewing and export capability. It can be linked to radio or mobile networks. With a sealed Faraday Cage design, maintenance is simplified and protection is provided against electrical spikes caused by lightning. The Levelogger is an absolute pressure transducer (water pressure + atmospheric pressure) and requires a Barologger for accurate barometric compensation.
Solinst 3001 Leveloader
The Leveloader is a PDA with a rugged, water resistant and ergonomic exterior, designed specifically for use with Leveloggers, Barologgers and Rainloggers in the field. It is used to download, store and transfer multiple data files using 8 Mb of non-volatile FLASH memory. It can hold 1,390,000 LT readings, 930,000 3001 LTC readings or 34 full Levelogger downloads.
Solinst 3001 Barologger
The Barologger is used to perform barometric compensation for the data obtained by a Levelogger by logging the atmospheric pressure, giving the absolute pressure (water pressure + atmospheric pressure) from which the level can be calculated. By using a Barologger with a Levelogger, there is no time lag in the compensation calculation which can be introduced by moisture build up, kinking or damage to vented cables. The Barologger uses algorithms based on air rather than water, giving superior accuracy. The Data Compensation Wizard in the Levelogger software greatly simplifies the barometric adjustment of the water level measurements by using the synchronized data from one on-site 3001 Barologger with all of the Leveloggers. The overall results give more reliable, highly accurate level data than that obtained when using high maintenance and expensive vented cable.
Solinst 3001 Levelogger Junior
The Levelogger Junior provides an inexpensive alternative to the Levelogger Gold for measuring groundwater and surface water levels. Incorporating a pressure transducer, temperature sensor and a 5 year battery life, the Levelogger is designed for measuring and logging water levels in a vast range of different scenarios. With a sealed Faraday Cage design, maintenance is simplified and protection is provided against electrical spikes caused by lightning. The Levelogger is an absolute pressure transducer (water pressure + atmospheric pressure) and requires a Barologger for accurate barometric compensation.
Solinst 3001 LTC logger Junior
The LTC (Level/Temperature/Conductivity) is similar to the Levelogger Junior in that it combines a pressure transducer and temperature sensor in a stainless steel housing, but it also incorporates a conductivity sensor. The sensor is a 4-electrode platinum sensor with auto ranging capabilities and is easy to calibrate.
INW Aquistar PT2X
An integrated datalogger and pressure/temperature sensor ideal for monitoring groundwater, well, tan and tidal levels, as well as for pump testing and flow monitoring. Constructed with 316 stainless steel, Viton® and Teflon®, the sensor provides high-accuracy readings in rugged and corrosive field conditions. The Windows®-based Aqua4Plus software is easy to use, affording the user extensive control, including real time monitoring, flexible programming, easy field calibration, and a delayed start feature. Aqua4Palm is available for Palm®-based handhelds, allowing the user to create test sessions, examine data, and monitor real time readings with the convenience and portability of a PDA.
INW Aquistar CT2X
The CT2X Smart Sensor is a submersible conductivity/temperature sensor with built-in data-logging, Incorporating a 4-pole epoxy/graphite electrode cell which is extremely durable. The 4-pole technology reduces fringe field interference errors, lessens inaccuracy caused by polarization effects, and lowers contact resistance problems. A RS485 interface allows for easy networking with other INW Smart Sensors as well as with WaveData® Wireless Data Collection Systems. The CT2X comes with INW's easy-to-use Aqua4Plus software, affording the user extensive control, including real time monitoring and flexible programming, as well as versatile data display options.
Observant L1 Level Sensor
The Observant L1 is a simple and robust water level sensor designed for use in dams, rivers and tanks. It is resistant to fouling and scale build-up, allowing it to operate in muddy or highly mineralised water without fault. It offers a measurable range of 2400 mm, with 20 mm resolution, and a robust sealed aluminium enclosure. It requires no calibration, and has software configurable display options. The Modbus/RS485 communications system allow for multiple sensor systems.
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