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IS Technologies ULM-1000C - User Manual

IS Technologies ULM-1000C
41 pages
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© IS Technologies Co., Ltd. PAGE 1 / 41
Please read this manual attentively before installation

Questions and Answers

  • T
    Tanner HensonAug 7, 2025
    Why does the level reading on my IS Technologies Measuring Instruments change heavily and periodically?
    • G
      grosssaraAug 7, 2025
      If the level reading on your IS Technologies Measuring Instruments changes heavily and periodically, it may be due to a motor or alternator being installed. Try setting the velocity lower than the current setting value. Alternatively, move the level to a different position where it is not affected by the machinery.
  • J
    Jennifer PerryAug 13, 2025
    What to do if the level on my IS Technologies ULM-1000C changes irregularly?
    • K
      kathleen25Aug 13, 2025
      If the level on your IS Technologies Measuring Instruments changes irregularly, it may be due to a barrier within the ultrasonic range. Try setting the velocity lower than the current setting value or set the Detection Threshold Voltage lower than the current voltage. Also, check the sensor's bottom surface for any foreign debris or pollution.
  • A
    angelicasmithAug 22, 2025
    How to fix an incorrect level reading in a sealed space with IS Technologies ULM-1000C?
    • M
      megan62Aug 22, 2025
      If the level reading is incorrect in a sealed space when using IS Technologies Measuring Instruments, the pressure may be increased by gas generation. To resolve this, set the sound velocity according to the medium or install ventilation.
  • C
    Crystal McclureAug 28, 2025
    What to do if my IS Technologies ULM-1000C level shows only within blanking distance?
    • A
      Andrew WilliamsAug 28, 2025
      If your IS Technologies Measuring Instruments level shows only within the blanking distance, it could be due to protrusions in the nozzle of the reservoir. Check the nozzle's inside surface and the nozzle diameter, ensuring it matches the recommendation in the manual. You can also increase the blanking distance, but not beyond the highest level point.

Summary

About this Manual

Safety Guide Instruction

Authorized Personnel

Installation and operation must be by licensed experts. Always wear protective equipment.

Operation Precautions

Read manual thoroughly before operating. Manufacturer not responsible for misuse or unauthorized modification.

Cautions and Instructions

Follow manual instructions for operation, maintenance, and troubleshooting. Manufacturer not liable for accidents due to non-compliance.

Product Inspection Guidelines

Inspect product and accessories for damage or contamination upon opening the package.

Safety Symbols Explained

Explanation of caution, warning, and information symbols used in the manual for safety and guidance.

Product Overview and Specifications

Principle of Operation

Explains how the ultrasonic sensor works to measure liquid level.

Technical Specifications

Details measurement range, accuracy, resolution, IP rating, and power requirements.

Product Package Contents

Lists the items included in the product package, such as the unit, manual CD, and cable gland.

Product Dimensions and Materials

Provides physical dimensions, enclosure material, and protection grade.

Installation Guide

General Installation Guidelines

Provides general recommendations for proper installation to ensure optimal performance.

Mounting Procedures

Details methods for mounting the ULM-1000C, including using brackets or flanges.

Installation Conditions and Best Practices

Outlines conditions to avoid, such as flow outlets or direct sunlight, for correct installation.

User Operation

1. Start-up Display

Shows initial screen and actual level value after power-on.

2. LCD Display Modes

Details the LCD display modes (Measuring/Programing), fault conditions, and program numbers.

LED Functions and Operational Modes

Explains LED indicators and operational modes (Measuring/Programing) for status feedback.

3. Button Operations

Details the function of each button for navigating menus and changing settings.

Device Programming

1. Application Menu Settings

Configures measurement mode, units, display, and distance parameters (P01-P04).

2. Current Output Configuration

Sets 4mA/20mA points, error handling, and fail-safe timers (P05-P09).

3. Compensation and Detection Settings

Adjusts damping, threshold, output power, sound velocity, and detection (P10-P16).

4. Simulation and Password

Tests output simulation and sets the security password for programming (P17-P18).

Maintenance and Support

Warranty and Repair Information

Details the 3-year warranty period and procedures for repair service.

Troubleshooting Common Issues

Periodic Level Changes

Addresses issues where the level fluctuates periodically due to external factors.

Irregular Level Changes

Resolves problems with inconsistent level readings caused by internal or external interference.

Blanking Distance Measurement Errors

Fixes readings stuck within the blanking distance due to obstructions or nozzle problems.

Sealed Space Reading Inaccuracies

Solves incorrect readings in sealed spaces, often due to pressure or gas generation.

IS Technologies ULM-1000C Specifications

General IconGeneral
BrandIS Technologies
ModelULM-1000C
CategoryMeasuring Instruments
LanguageEnglish