The LTM-U4 is a high-reliability, cost-effective, and easy-to-install level measurement instrument designed for industrial applications. It is a versatile and low-cost device suitable for measuring liquids, slurries, and solids across various industries, including water treatment, municipal, chemical, metallurgical, and manufacturing.

Key Features and Specifications:

  • Application: Liquids
  • Measuring Range: 0-20 meters
  • Connection Process: Thread, Plastic Flange
  • Process Pressure: ≤0.3MPa
  • Accuracy: 0.5%-1.0%
  • Protection Grade: Display Meter IP66 / Probe IP68
  • Signal Output: (4-20) mA / RS485 Modbus

Customization Options:

The LTM-U4 offers a range of customizable options to meet specific industrial needs:

Sensor Type:

  • P: Standard
  • T: Anti-Corrosion Type

Housing / Protection Grade:

  • L: Die-Casting Aluminium/Single Chamber/IP67
  • G: Die-Casting Aluminium/Dual Chamber Housing/IP67
  • S: Plastic Housing/IP66
  • D: Stainless Steel/IP68

Probe Mounting Size:

  • G: Thread G1.5, Rated Range 5m
  • H: Thread G2, Rated Range 5m, 10m
  • J: Thread M78x2, Rated Range 15m
  • K: Thread M78x2, Rated Range 20m
  • Y: Special Custom

Power Supply:

  • A: 220V AC
  • D: 24V DC
  • Y: Special Custom

Output Mode:

  • I: (4-20) mA Two-Wire System (Without Relay Output)
  • K: (4-20) mA Four Wire
  • O: Communication (MODBUS-RTU Protocol)
  • M: (4-20) mA + 485 Communication (MODBUS-RTU)
  • Y: Special Custom

Relay Output:

  • R: No Relay
  • R1: 1 Relay
  • R2: 2 Relay

Electrical Interface:

  • M: M20x1.5
  • Y: Special Custom

Sensor Range:

  • XXX: Unit: m
  • Y: Special Custom

The LTM-U4 stands out for its adaptability and robust performance, making it an indispensable tool for various industrial measurement tasks.

Whether dealing with standard environments or requiring specialized configurations, the LTM-U4 delivers precise and reliable level measurement solutions.


Raymond Karsten
Instek Control
Tel. +27 12 998 6326

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