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Molten Aluminum Laser Level Sensor Al30
Molten Aluminum Laser Level Sensor for Measuring the Level of Molten Aluminum Alloys as hot as 900°C (1652°F)
Visible class II laser providing accurate and precise distance measurement.
Measure the level of molten aluminum alloys as hot as 900°C (1652°F) at a measuring range up to 10m (32.8 feet)
Able to maintain high measurement accuracy and reliability in harsh industrial environments
Provides 1mm accuracy (0.039in)
Operates from 10- 30 VDC Supply
RS232 Serial Interface or Optional RS422/RS485 Serial Interface.
Optional ProfiBus, ProfiNet or Ethernet TCP/IP Interface is also available.
Programmable 4 - 20mA Analog Output.
Programmable Digital Output
Programmable External Trigger Input.
Programmable Zero and Distance Offset.
Cast aluminum housing rated IP66.
Mounting Brackets and Mounting Platforms are available.
Optional Internal 24VDC Heater for operation down to -40°C (-40°F)
Robust cast aluminum housing rated IP66 with unique integral air purge & air cooling facility.
Optional water cooling with separate air purge is also available.
Applications
- Large-scale centralized aluminum melting furnaces and holding furnaces
- Crystallizers for aluminum sheet/foil continuous casting and rolling lines
- Recycled aluminum smelting furnaces and large-scale crucible furnaces
- Large-scale magnesium/zinc alloy smelting
- Heavy-duty non-ferrous metal casting production lines
- Applications in high-temperature industrial distance and level measurement
Description
The Laser Level Sensor is used to measure the liquid level of molten aluminum and control the liquid level of aluminum in a closed loop control system. The operates over a measuring range of 0.1m to 10m (0.32ft to 32.8ft) off of molten aluminum alloys as hot as 900°C (1652°F) with an accuracy of 1mm (0.039in).
The Molten Aluminum Laser Level Sensor uses the phase comparison principle for distance measurement. The laser sensor emits visible laser beams of different frequencies, receives the scattered laser return signal from the measured object, compares the received laser signal with the reference signal, and then uses a microprocessor to calculate the distance between objects corresponding to the corresponding offset. The measurement accuracy can reach mm level.
Straightforward alignment is easily accomplished via the visible red laser measuring beam.
Accuracy is 1mm (0.039in) with repeatability is 0.5mm (0.0197in) and the user scalable resolution is 0.1mm (0.004in).
The zero offset and the span of the 4 - 20mA analog output are both user programmable. The distance offset is also user programmable, this allows the user to define a zero point independent of the analog output zero offset.
Provided with a user programmable digital switching output which is triggered by exceeding in the positive or negative direction a user programmable distance threshold. The hysteresis of the digital switching output is also programmable.
The is provided in a robust dust and waterproof protected IP66 enclosure. Standard operating temperature range is -10°C to 50°C (-4°F to 122°F). An optional internal PTC heater is available for operation down to -40°C (-40°F. Optional Secondary Environmental Enclosures are available for additional protection for indoor, outdoor and elevated temperature applications.
The low cost Molten Aluminum Laser Level Sensor provides a highly accurate measurement reading. It is ideal to measure the liquid level of molten aluminum and control the liquid level of aluminum in a closed loop control system.
Supplied as standard with a either RS232 or an optional RS422/RS485 serial interface with a 2400 to 38,400 Baud Rate & a programmable 4 - 20mA 16 BIT analog output.
Optional ProfiBus DP, ProfiNet, and Ethernet TCP/IP Field Bus Interface Options are also available. DeviceNet and EthernetI/P Field Bus Interface Options will soon be available.
Housing Specifications
The Molten Aluminum Laser Level Sensor is extremely versatile and can be programmed to operate in various distance measurements modes either remotely controlled or automatically, using a PC or a host computer or as a stand alone microprocessor device. The AL30 is provided with LDMTool PC software that allows the user to communicate with the laser via a serial link and to set the lasers various parameters.
Distance measurement of the AL30 can be controlled in these various modes of operation:
- Manually with a PC using HyperTerminal, a terminal emulation program or the provided LDMTool software via the RS232 or the optional RS422/RS485 serial interface
- Manually by transmitting ASCII characters via the RS232 or the optional RS422/RS485 serial interface from a PLC, a PC, a host computer or a stand alone microprocessor device.
- Automatically as a stand alone device and programmed to start in the AutoStart mode.
- Continuously by selecting distance tracking mode
- Remotely controlled by using the external trigger
- Remotely controlled via the serial interface
Distance measurement can be monitored in different ways:
- Using the 4 - 20 mA Analog Output
- Data transfer using the RS232 serial interface
- Data transfer using the optional RS422/RS485 serial interface
- Data transfer using the optional ProfiBus, Profinet or the Ethernet TCP/IP FieldBus Interface.
Technical Specifications
(Custom configurations available upon request.)
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Product Technical Parameter Comparison Table
| Product Model | AL30 | CD700R300 | |
|---|---|---|---|
| Measuring Range | 0.1 ~ 10 m | 700-1000mm | |
| Resolution | 0.1 mm (user configurable; default: 1 mm) |
0.073 mm (1/4096 of the measurement range, depending on the output method) | |
| Measuring Frequency | Configurable at 10 Hz or 50 Hz | 250Hz | |
| Operating Ambient Temperature |
-10℃ ~ +50℃ -10℃ ~ +65℃ (with air cooling + air purge) |
≤40℃, required compressed air pressure: 30 PSI |
|
| Storage Temperature | -20℃~+60℃ (Relative Humidity <70%) |
-20℃~+80℃, Relative Humidity: 85% (non-condensing) |
|
| Power Supply | 24VDC(10-30V DC) | 24V DC <1A | |
| Data Interface | RS232,baud rate:9600bps | RS232 | |
| Analog Output | 4~20mA | 4~20mA | |
| Measuring Laser | Wavelength: 650 nm (visible red light) |
Laser diode, 635 nm (visible red light) |
|
| Laser Class | Class 2, compliant with DIN EN 60825-1:2007 (EC825-1), power ≤1 mW |
<1mW,FDA Class Ⅱ | |
| Size | 220*124*60mm (L*W*H,with connector) |
397.8x 50 x100mm(L*W*H) | |
| Weight | About 1.9kg | 5kg |
Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 24 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.
Changsha HaoBo Brothers Technology Co., Ltd..
Changsha HaoBo Brothers Technology Co., Ltd. Was founded in 2015 and established by three like-minded mechanical engineers with backgrounds in the petrochemical, mining, and metallurgical industries. The company was created to address key industry challenges by delivering high-quality, cost-effective mechanical equipment and components through integrated engineering solutions, tailored to the specific needs of clients in the petrochemical, mining, and metallurgical sectors.
From 2015 to 2017, the company operated by supplying custom-engineered equipment (through outsourced manufacturing) alongside imported European and American spare parts, serving both domestic and international customers across the petrochemical, mining, plastics, and metallurgical industries.
In 2017, Changsha HaoBo Brothers Technology Co., Ltd. Invested in and established a joint-venture factory focused on manufacturing equipment and components for the metallurgical industry, as well as air compressors, large-scale pumps and valves, blowers, and related machinery for the petrochemical and mining sectors.
In 2022, the company further invested in another joint-venture factory dedicated to producing equipment and accessories for the plastics industry.
To date, the group's core business operations encompass the following:
With branch offices established in Germany and the United States, we source and supply European and American brand spare parts and equipment to clients in the petrochemical, mining, plastics, and metallurgical industries.
Through our joint-venture factories in China, we manufacture equipment and spare parts for the metallurgical, petrochemical, mining, and plastics industries.
We act as authorized distributors for select equipment from leading domestic manufacturers, supplying these products to clients in the metallurgical, petrochemical, metallurgy, and plastics industries.
Q: What's the lead time for orders?
A: Standard models ship in 10–50 days; customized models depend on the specific product.
Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.
Q: Can I request a customized level gauge size?
A: Absolutely! We offer tailored attachments.
Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.
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