TLG products

Gas station applications


Tank truck unloading Oil Meter

  • System
  • Probe(Stick Type)
  • PCU
  • Display
  • PC Program
TLG measures height of fluid surface by checking length displacement, and converts it into volume information

Probe (Sensor) - Stick Type Probe

Model. HiSPb

Attribute Specification
Sensing Type Magnetostrictive level meter
Applicable fluids Fuel, Water, Chemicals, etc.
Level Range 4,000mm MAX
Level Accuracy 0.1 mm
Pipe material SUS 304
Floater material NBR
Endurable Pressure 30kgf/㎡
Weight 0.5 Kg/m
Communication Wired : RS485
Wireless : Bluetooth, Zigbee
Temperature Range -20℃ ~ 70℃
Temperature Accuracy 0.5℃
Power Consumption Standby : 30uA at 8V
Active : 1~20mA at 8V
Explosion-proof grade KCs Ex Ia IIB T4 (Intrinsic Safety)

PCU (Power Control Unit)

Model. HiPCU

Attribute Specification
Input Port RS232, RS485, Bluetooth, Zigbee
Output Port RS485 (16 units)
Weight 1.0 Kg
Dimensions 300(L) X 270(W) X 70 (H) mm
Power Supply AC 90 ~ 250(V), 50 ~ 60 Hz, 30W


Model. HiTLD

Attribute Specification
Screen 7" TFT LED, 800 X 400 24 Bit
Input Device Touch Screen
Printer Thermal Printer
Weight 1.5kg
Dimensions 245(L) X 180(W) X 100 (H) mm
Power Supply AC 90 ~ 250(V), 50 ~ 60 Hz, 30W

PC Program


Attribute Specification
Available Input Types RS-232C, RS-485, Zigbee
Probe Ports 16 Ports per 1 PCU(4pin : VCC 8V, GND, RS-485 A, RS-485 B)
Operating Temperature -40 ~ 50℃
Weight 1.0kg

TLG display

With simple and modern UX, you can access informations with few steps

  • 오일탱크 설명 1_2


    With intuitive UX and design, you can check tank status simply and with ease.

  • 오일탱크 설명 3_4

    Discharging Report

    Discharged and sold fuel amount is recorded automatically and precisely, and you can access detailed daily & custom reports with few clicks.

  • 오일탱크 설명 5_6

    Fuel unloading Report

    Hi-Level FMS can detect fuel unloading from tank truck automatically, and issue detailed reports.

Install it and forget about it!

Hi-Level products are renown for its robustness and never-failing quality.
Hi-Level will prolong your life expectancy by reducing your headaches regarding fuel managment.

System Overview

Our Excellency in TLG

Hi-Level have world-class magnetostrictive distance sensor and corresponding fuel management systems.
We developed this from scratch, and continuously improving it.

  • Level Measurement

    Even 1L difference can be checked.

  • Height Measurement

    Fluid level can be measured up to 1mm accuracy.

  • Temperature Measurement

    Even 0.5 °C difference can be detected.

  • NET calculation

    NET volume can be calculated precisely.

  • Water Detection

    Water level can be detected for alerting purposes.

  • Automatic Unloading Detection

    Can detect fuel unloading, and produce reports.

  • Fuel Overflow Detection

    Can alert with 2-step overflow thresholds

  • Fuel Underflow Detection

    Can alert with 2-step underflow thresholds

World-class TLG

Your fuel management system deserves the best one, and it should be Hi-Level TLG. Hi-Level TLG is proved to be best in Korean market, and overseas.

  • Certification for Explosion proof (1)


  • Certification for Explosion proof (2)


  • Official test

    최고등급 시험성적서

Tank Level Gauge

  • 01

    High Durability & Accuracy of Magnetostrictive Sensor

    (IP 67 water proof, Surge Protector for thunderstrike)

  • 02

    Various Alarm function

    (Overfill, Underflow, Custom alerts, Water detection, Fuel leakage detection, etc.)

  • 03

    PC display / LCD displayPC

    With 7 inch touch panel, interface is nice and easy.
    Console and PC software is customizable on request.

  • 04

    POS Connection

    Can work with various types of POS, and tested.

  • 05

    Industrial Application

    Can be used for industrial applications, such as hazardous fluids. Can work with PLC as well, via 4-20mA, RS485, etc.

Feel free to contact us anytime!