1. Product Overview
The KIMISS ALT666 is a DC24V digital display ultrasonic level meter designed for accurate and reliable liquid level measurement. Utilizing intelligent sonic technology, it offers high precision and resistance to various interference waves. This device is suitable for a wide range of applications including water treatment, environmental monitoring, chemical industry, and industrial process control.
The meter features a robust design with die-cast aluminum alloy housing, ensuring a high waterproof rating of IP67. Its circuit incorporates isolation modules and stable components, providing a low failure rate and ease of installation and maintenance.
Figure 1: Front view of the KIMISS ALT666 Ultrasonic Level Meter, showing the display and product label with key specifications.
2. Key Features
- High Accuracy: Intelligent sonic technology provides 0.3% measurement accuracy, effectively resisting interference.
- Robust Construction: Die-cast aluminum alloy housing with IP67 waterproof rating for durability in harsh environments.
- Reliable Circuitry: Features isolation modules and highly stable components for long-term reliability.
- Easy Installation: Designed for straightforward setup without requiring tank cleaning during installation.
- Comprehensive Protection: All input and output interfaces include anti-thunder, overcurrent, and overvoltage protection.
- Digital Display: Integrated LCD for clear display of liquid level or space distance.
- Analog Output: Standard 4-20mA output for integration with control systems.
Figure 2: The KIMISS ALT666 Ultrasonic Level Meter shown in an industrial application context, highlighting its suitability for demanding environments.
3. Specifications
| Parameter | Value |
|---|---|
| Model | ALT-666 |
| Dead Zone | 0.25m - 0.6m |
| Measurement Accuracy | 0.3% |
| Ranging Resolution | 1mm |
| Working Pressure | Atmospheric pressure |
| Display | LCD (Liquid Level / Space Distance) |
| Analog Output | 4-20mA |
| Ambient Temperature | -20°C to 60°C |
| Protection Level | IP65 (Housing is IP67) |
| Power Supply | DC24V |
| Material | Aluminum Alloy |
Figure 3: Angled view of the sensor head and housing, illustrating the robust construction.
4. Setup and Installation
The KIMISS ALT666 offers flexible installation options. It is crucial to read this section carefully before proceeding with installation to ensure proper function and accuracy.
4.1 Installation Considerations
- Ensure the mounting location is stable and free from excessive vibration.
- Avoid installing the sensor directly above inlets, outlets, or agitators that may cause turbulence or foam.
- Maintain a clear path for the ultrasonic beam, free from obstructions within the measurement range.
- The instrument can be installed without needing to clean the tank, ensuring minimal disruption to operations.
4.2 Installation Diagram
Refer to the diagram below for understanding key measurement parameters and installation height.
Figure 4: Installation diagram illustrating the relationship between the sensor, liquid level, dead zone, and measurement range.
Key terms in the diagram:
- Range: The total measurement span of the sensor.
- Dead Zone: The area directly below the sensor where accurate measurement cannot be performed. Ensure the liquid level does not enter this zone.
- Highest Level: The maximum liquid level to be measured.
- Current Level H: The actual liquid level being measured.
- Measuring Distance L: The distance from the sensor face to the liquid surface.
- Installation Height TH: The total height from the sensor face to the bottom of the tank.
4.3 Wiring Instructions
The device operates on DC24V. Ensure correct polarity when connecting the power supply. Connect the 4-20mA analog output to your control system as required. All input and output interfaces are equipped with anti-thunder, overcurrent, and overvoltage protection, but proper grounding is always recommended.
5. Operating Instructions
The KIMISS ALT666 features an integrated LCD and control buttons for easy configuration and monitoring.
Figure 5: Top view of the meter with the cover open, revealing the LCD display and control buttons.
5.1 Initial Power-Up
Upon applying DC24V power, the LCD will illuminate and display the current liquid level or space distance. The device will perform a self-check.
5.2 Navigating the Menu
Use the SET button to enter the configuration menu. Use the Up and Down arrow buttons to navigate through menu options and adjust values. Press OK to confirm selections or save changes.
5.3 Basic Configuration (Example)
Common parameters that may require configuration include:
- Measurement Unit: Select between meters, centimeters, or other relevant units.
- Output Range: Calibrate the 4-20mA output to correspond to the desired measurement range (e.g., 4mA for 0m, 20mA for 15m).
- Dead Zone Compensation: If necessary, adjust the dead zone setting to match your specific installation.
Refer to the on-screen menu prompts for detailed parameter settings. Always save changes before exiting the configuration menu.
5.4 Monitoring
In normal operating mode, the LCD continuously displays the measured liquid level or distance. The 4-20mA output provides a continuous signal to your connected control system.
6. Maintenance
The KIMISS ALT666 is designed for low maintenance. Regular checks can help ensure optimal performance.
- Cleaning: Periodically inspect the sensor face for any buildup of dirt, dust, or residue. Clean gently with a soft, damp cloth if necessary. Avoid abrasive materials or harsh chemicals.
- Cable Integrity: Check all wiring and cable connections for signs of wear, corrosion, or damage. Ensure connections are secure.
- Environmental Inspection: Verify that the operating environment remains within the specified temperature range (-20°C to 60°C) and that the housing's IP67 rating is not compromised by physical damage.
- Recalibration: If measurement accuracy is suspected to have drifted, perform a recalibration according to the operating instructions or consult technical support.
7. Troubleshooting
This section provides solutions to common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| No display/Power off | No power supply or incorrect wiring. | Check DC24V power supply and wiring connections. Ensure correct polarity. |
| Inaccurate readings | Obstruction in beam path, sensor face dirty, incorrect calibration, excessive foam/turbulence. | Clear obstructions, clean sensor face, recalibrate the device, reduce foam/turbulence if possible. |
| No 4-20mA output | Wiring error, output disabled in settings, fault in receiving device. | Check output wiring, verify output settings in the menu, test the receiving device. |
| Intermittent readings | Loose connections, electrical interference, unstable power. | Secure all connections, check for sources of electrical noise, ensure stable DC24V power. |
If the problem persists after attempting these solutions, please contact KIMISS technical support.
8. Warranty and Support
KIMISS products are manufactured to high-quality standards. For warranty information, technical assistance, or service, please refer to the documentation provided with your purchase or visit the official KIMISS website. When contacting support, please have your product model (ALT666) and purchase details available.