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MARETRON TLM100-01, is used to measure liquid levels using ultrasonic technology. The ultrasound is sent from the TLM100, which is mounted on top of the tank.
MARETRON TLM100-01, is used to measure liquid levels using ultrasonic technology. The ultrasound is sent from the TLM100, which is mounted on top of the tank. The time it takes for the pulse to be received is measured, just like a sonar, and converted into a tank level, which can be displayed on all NMEA 2000 displays that support tank display, e.g., Maretron DSM410. The TLM100 can measure tank depths up to 1 meter. It can be used for diesel, fresh water, black water, grey water, and oil (if petrol is to be measured, the TLM150 is used instead). Unlike most tank sensors on the market, the TLM100 can be calibrated for irregularities in the tank.
The TLM100 is mounted directly on top of the tank with a SAE J1810 5-hole pattern. It can also be mounted where there are threads in the tank using a 1.5” NPT or a 1.25” BSP adapter (accessory). To obtain stable readings, even if the boat is rolling, the TLM100 is usually mounted with a focus tube. The hollow tube is lowered into the tank and the TLM100 is mounted on top.
Since the sensor measures the time from when the signal is sent until it is received, the TLM100 cannot measure levels within 5 cm of the sensor. If it is important to measure the entire tank content, a focus tube raised 5 cm, TFTDBE-5H, can be used.
When mounting, it is important not to overtighten the screws. If the screws are overtightened, the readings will be inaccurate and can change rapidly. Tighten between 1.1 - 1.5 Nm.
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