Ultrasonic Level Transmitter TLTV1000A1

TLTV1000A1

TLTV1000A1 ultrasonic level transmitter is an integral non-contact instrument for liquid level and distance monitoring. It works on the time-of-flight principle by sending ultrasonic pulses toward the liquid surface and calculating level from the return echo. Also, it supports measuring ranges up to 20 meters, 4–20mA output, RS485 / Modbus-RTU option in four-wire configuration, keypad-based setup, built-in temperature compensation and IP67 protection. As a result, it suits tank, vessel and utility liquid level applications where compact installation and easy maintenance are required.

  • Non-contact measurement
  • Up to 20 m range
  • 4–20mA output
  • RS485 / Modbus option
  • IP67 protection

Application-fit selection

Range selection help

Output signal support

Mounting guidance

Commissioning backup

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  • Integral ultrasonic level transmitter
  • Non-contact level and distance measurement
  • Works on ultrasonic time-of-flight principle
  • Suitable for liquid tank level monitoring
  • Real-time level and distance display
  • Built-in temperature compensation
  • 4–20mA analog output
  • RS485 / Modbus-RTU option in four-wire configuration
  • On-site setup through keypad
  • Display for liquid level, distance and relay status
  • I/O protection against overvoltage and overcurrent
  • Two-wire and four-wire configurations
  • Four-wire version with two relay outputs
  • ABS transmitter material
  • ABS / ETFE / PTFE probe material options
  • G2 standard process interface
  • IP67 waterproof protection
  • Long service life due to non-contact measurement
  • Water tank level monitoring
  • Liquid storage tank measurement
  • Utility tank level indication
  • Process vessel level monitoring
  • Non-contact liquid level measurement
  • Tank distance monitoring
  • Pump control support
  • Overflow prevention support
  • Sump and pit level monitoring
  • Industrial liquid level monitoring
  • Model: TLTV1000A1
  • Product Type: Ultrasonic Level Transmitter
  • Measurement Principle: Ultrasonic Time-of-Flight
  • Measurement Type: Level and Distance Measurement
  • Measuring Range: Up to 20 meters
  • Blind Zone: 0.15 m to 0.8 m, depending on measuring range
  • Frequency: 30 to 90 kHz
  • Measuring Precision: ±0.5% standard, ±0.25% optional
  • Resolution: ±1 mm
  • Display: Liquid level, distance and relay status
  • Wiring Configuration: 2-wire without relay / 4-wire with 2 relays
  • Supply Voltage, 2-Wire: DC 12V to 36V / 22mA
  • Supply Voltage, 4-Wire: DC 12V to 36V / 70mA or AC 100V to 240V / 5W
  • Analog Output: 4–20mA
  • Digital Output: RS485 interface / Modbus-RTU protocol in four-wire version
  • On-Off Output: 2-channel SPST relay in four-wire version
  • Transmitter Material: ABS
  • Probe Material: ABS / ETFE / PTFE
  • Electrical Interface: PG11
  • Process Interface: G2 standard, customized thread option available
  • Environmental Temperature: -35°C to +70°C
  • Process Temperature: -40°C to +80°C
  • Waterproofing Grade: IP67

    What Customers Say About Us

    Trusted Engineering Support

    The team provided clear technical guidance and practical solutions. Execution was smooth and well coordinated throughout.

    Mr. Vivek NairGeneral Manager – Operations, Cement Industry
    Dependable Technical Partner

    Their approach was systematic and aligned with our plant needs. Overall experience with product and service has been positive.

    Ms. Kavita RaoSenior Manager – Maintenance, Steel Sector
    Application-Focused Solutions

    They understood our process conditions before recommending equipment. Support during installation was handled professionally.

    Mr. Rohan MehtaProject Lead – Power Plant
    Consistent Service Delivery

    Product performance has been stable in regular operations. The support team responds in a timely manner.

    Mr. Anil DeshmukhInstrumentation Head, Process Manufacturing

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    Frequently Asked Questions

    TLTV1000A1 is used for non-contact liquid level and distance measurement in tanks, vessels, sumps and utility storage applications.
    TLTV1000A1 uses ultrasonic time-of-flight measurement. It sends ultrasonic pulses toward the liquid surface and calculates level from the echo return time.
    The measuring range is up to 20 meters, depending on installation and application conditions.
    The instrument supports 4–20mA analog output. In four-wire configuration, it also supports RS485 / Modbus-RTU and two relay outputs.
    Yes. It has built-in temperature compensation to improve measurement accuracy under changing ambient conditions.
    TLTV1000A1 has IP67 waterproof protection
    It can be selected with ABS, ETFE or PTFE probe material options. Users should confirm chemical compatibility before selection.
    Users should check tank height, measuring range, blind zone, liquid surface condition, foam, vapor, temperature, process connection, output signal and installation location.

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