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Solinst Modell 107 TLC-meter

Solinst Modell 107 TLC-meter er ideell for profilering av konduktivitet og temperatur i brønner og åpent vann.

  • Bygget på en robust Solinst trommel med målebånd merket for hver mm
  • LCD display viser temperatur og konduktivitet samtidig
  • Enkelt konduktivitetskalibrering på opptil 4 poeng



The TLC Meter is ideal for profiling conductivity and temperature in wells and open water. It displays accurate measurements of conductivity and temperature on a convenient LCD display that rotates for ease of reading.

Conductivity measurements are read from 0-80.000 µS/cm with readings giving accuracy of 5% of reading or 100 µS (whichever is greater).

Water level and probe depth measurements are read off the Solinst durable PVDF flat tape, which is accurately laser marked every 1/100 ft or each millimeter. Tape lengths are available up to 1000 ft (300 m).

For automated water level, temperature, and conductivity data logging, Solinst also offers the LTC Levelogger Edge.

Rugged PVDF Flat Tape

The high quality PVDF flat tape reels smoothly, remains flexible and hangs straight in the well, irrespective of temperature. The flat tape is mounted on a sturdy, well-balanced Solinst reel, with a convenient battery drawer for the 9 Volt alkaline battery. Permanent laser markings each 1/100 ft or millimeter allow accurate readings.

Stranded stainless steel conductors and copper coated steel conductors resist corrosion, provide strength and are nonstretch. They make the tape easy to repair and splice. The dogbone design reduces adherence to wet surfaces.

Water Conductivity Measurements

The TLC Meter uses a ‘smart’ conductivity sensor with platinum electrodes to measure conductivity. The conductivity is displayed on the rotating screen along with the associated temperature measurement. The ‘smart probe’ displays conductivity that has been standardized to 25°C, i.e. Specific Conductance (displayed as EC). The conductance temperature coefficient is 2,0% per °C.

Calibration is simple, using 1413 µS, 5000 µS, 12.880 µS, and/or 80.000 µS solutions for 1, 2, 3 or 4 point manual conductivity calibrations.

Water Level & Depth Measurements

When the zero point of the probe enters water, an electric circuit is completed, briefly activating a buzzer and blanking out the screen for about 1 second. The depth to water is then read off the tape. When the TLC Meter is withdrawn from the water, a short buzz gives a warning that the probe is now out of water.

A Tape Guide/Datum allows the depth measurement to be read at the marked position on the Tape Guide, to give reliable, repeatable, accurate depth measurements when profiling a well. The Tape Guide protects the tape from damage on rough edges of well casing.

Water Temperature Measurements

The TLC Meter operates in a range from -15°C to +50°C (23°F to 122°F). You may choose to have the readings displayed on the LCD screen in °C or °F. Accuracy is +/- 0,2°C in Celsius, or +/- 0,4°F in Fahrenheit. The ‘smart’ TLC probe automatically adjusts the measured conductivity values to display as specific conductance standardized to 25°C. This provides standardized, repeatable and comparable measurements.

Conductivity & Temperature Display Menu

When the probe is turned on, the LCD screen displays both conductivity and temperature.

The display menu is simple to operate. When the unit is turned on, it will begin to display electrical conductivity and temperature readings, in or out of water. If the ON button is held down for 2 seconds and released, the display moves to the next menu item. Press the ON button two times quickly in any given screen to achieve the displayed action.

  • Probe materials: Stainless steel with platinum conductivity electrodes
  • Probe diameter: 19 mm (3/4”)
  • Tape material: PVDF
  • Tape markings:
    • LM2: Feet & tenths w/ markings every 1/100 ft
    • LM3: Meters & centimeters w/ markings every mm
  • Length options:
    • Imperial: 100 / 200 / 300 / 500 / 750 / 1000 ft
    • Metric: 30 / 60 / 100 / 150 / 250 / 300 m
  • Conductivity:
    • Range: 0-80.000 µS/cm
    • Accuracy: 5% of reading or 100 µS (whichever is greater)
    • Calibration: 1, 2, 3 or 4 point manual (1413, 5000, 12.880 and/or 80.000 µS
  • Temperature:
    • Range: -15 to +50°C (23°F to 122°F)
    • Accuracy: ±0,2°C (±0,4°F)

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