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Solinst TLC Meter

The NEW Model 107 TLC Meter is ideal for profiling conductivity and/or temperature in wells and open water and for salt-water intrusion investigations. The TLC uses an ‘intelligent’ conductivity sensor with platinum electrodes. The sensor is attached to Solinst flat-tape, accurately marked every 1/100 ft or every millimeter. Lengths up to 300 ft or 100m, mounted on Solinst reels.

The conductivity range is from 0-80,000 µS/cm. Conductivity and temperature measurements are displayed on a rotating LCD screen on the face of the reel. Conductivity accuracy is 2% of reading from 100 to 80,000 µS/cm. A light and buzzer are briefly activated when the zero point of the probe enters water. The depth to water and depth of displayed readings are read off the tape. The 9V alkaline battery is housed in an easy-access battery drawer and provides up to 90 hours of use.

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How the TLC water conductivity meter works:

When the zero point of the probe enters water, an electric circuit is completed, briefly activating a buzzer and blacking 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 When the TLC Meter is withdrawn from the water, a short buzz gives a warning that the probe is now out of water.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 is provided with the meter for use when profiling a well. The Tape Guide protects the tape from damage on rough edges of well casing and allows the depth measurement to be read at the marked position on the Tape Guide, to give reliable, repeatable accuracy. When the probe is turned on, the LCD screen displays both conductivity and temperature. A short wait of 10 seconds per degree C of temperature change is required for the measurements to stabilize at each desired depth before recording the three measurements.

Applications for the Solinst TLC Meter:

• Accuracy as good as 2% of readings
• Convenient Solinst reel and accurate tape
• Lengths to 300 ft. or 100 meters
• Display that rotates for easy reading
• Standard 9V alkaline battery gives 90 hrs.
• Auto-Off after 4 minutes