Honeywell SLG720-SCAN00VM05800-AS3A-0-AHD-1001C-B-1A6-FX.F1-HCWTZ Guided Wave Radar Level Transmitter

Description

Honeywell SLG720-SCAN00VM05800-AS3A-0-AHD-1001C-B-1A6-FX.F1-HCWTZ Guided Wave Radar Level Transmitter

Product Dimensions：

The Honeywell SLG720 is a high-performance SmartLine Level Transmitter that utilizes Guided Wave Radar (GWR) technology. This specific long-form model string identifies a highly customized configuration designed for demanding industrial liquid and interface level measurements.

Product Detailed Description

The SLG720 series works on the principle of Time Domain Reflectometry (TDR). A low-energy electromagnetic pulse is guided down a probe submerged in the process medium. When the pulse reaches the liquid surface, a portion of the energy is reflected back to the electronics. The transmitter measures the time-of-flight to calculate the level with millimeter precision.

Technical Parameters (Breakdown of the Model Code)

While the full string is highly specific, here are the core technical specifications for the SLG720 series:

Product Advantages

• Immune to Vapor & Turbulence: Unlike non-contact radar or ultrasonic sensors, the GWR probe guides the signal, making it unaffected by foam, dust, steam, or turbulent surfaces.
• Modular Design: SmartLine transmitters feature modular electronics. You can replace the display or the communications module in the field without breaking the process seal.
• Smart Diagnostics: Includes advanced features like “Echo-Lost” detection and signal quality monitoring to predict maintenance needs before failure occurs.
• Integration: Features full integration with Honeywell’s Experion® PKS, providing enhanced transmitter messaging and maintenance mode indications.

Important Considerations & Precautions

• Obstructions: Although the signal is guided, the probe should be installed away from internal tank structures (ladders, agitators) to prevent “ghost” reflections.
• Probe Selection: Ensure the probe material (316SS, Hastelloy, etc.) is chemically compatible with the process fluid to prevent corrosion.
• Dielectric Constant (\varepsilon_r): The fluid must have a dielectric constant greater than 1.4 for reliable detection. Low \varepsilon_r fluids (like some oils) may require a coaxial probe for better signal strength.
• Probe Handling: Do not kink or bend the cable/rod during installation, as this will create impedance changes and false echoes.

Product Applications

• Oil & Gas: Measurement of crude oil levels and oil-water interface in separators.
• Power Generation: High-pressure feedwater heaters and boiler drum level control.
• Chemical Processing: Monitoring aggressive chemicals in storage tanks where vapor blankets (like Nitrogen) are present.
• Refineries: Distillation columns and storage tanks for refined products (gasoline, diesel).

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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