Category: Liquid Level Measurement
OBAI-LD Intelligent radar level meter
Product Related Description
Product Overview
The sensors of the OBAl-LD smart radar level meter series are 80GHz and 26GHz high-frequency radar level measuring instruments. The maximum measurement distance can reach 80m. The antenna has been further optimized. The new fast microprocessor can perform higher-speed signal analysis and processing, so that the instrument can be used in some complex measurement conditions such as reactors and solid silos. The radar level meter antenna emits narrow microwave pulses, which are transmitted downward through the antenna. After the pulses contact the surface of the measured medium, they are reflected back and are received again by the antenna system. The signal is transmitted to the line part and automatically converted into a level signal (the sending and receiving of the signal is almost instantaneous and the delay time can be ignored).
Main Features
♦The antenna is small in size and easy to install. The non-contact radar can achieve no wear and pollution.
♦Almost unaffected by corrosion, foam, atmospheric vapor, temperature and pressure changes
♦Short wavelength and small beam, achieving better signal reflection and avoiding interference
♦Environments with severe dust and smoke have little impact on the work of high-frequency radar level meters
♦The measurement blind area is smaller, and good results can be achieved for liquid level measurement in small tanks.
Performance Index
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Technical parameters |
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Measuring range |
0-5m~80mH2O (see the selection table for details) |
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Comprehensive accuracy |
0.25%F.S、0.5%F.S |
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long term stability |
0.2%F.S/year |
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Medium temperature |
-40℃~130℃, -40℃~250℃ |
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process pressure |
-0.1MPa~2Mpa, -0.1MPa~4Mpa |
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Power supply |
16V~28V DC (24V DC power supply recommended), 220V DC |
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Output signal |
4mA~20mA DC, RS485, etc. (optional) |
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Communication protocol |
MODBUS RTU protocol, HART protocol |
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Protection level |
IP65 |
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Warranty period |
twelve months |
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Outline drawing
Keywords: OBAI-LD Intelligent radar level meter
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