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Technical Articles
This section focuses on radar level meters, level switches, weigh modules, weighing indicators and industrial data acquisition, sorting out knowledge on principles, selection, installation.
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Radar Display Is Stable but the PLC Value Jumps: A Diagnostic Guide2026-08-10Diagnose a stable radar display with a jumping PLC value by separating transmitter output, loop power, shielding, analog input, scaling and software behavior. -
Connecting an RS485/Modbus Radar Level Meter to a PLC2026-08-10Connect an RS485/Modbus RTU radar level meter to a PLC by matching serial settings, addresses, register offsets, data types, byte order and bus termination. -
Wiring 4–20 mA/HART Radar Level Meters: Power, Load and Shielding2026-08-10Wire and commission a 4–20 mA/HART radar level loop by checking supply voltage, loop resistance, polarity, grounding, shielding, scaling and fail-current behavior. -
Radar Level Range Setup: Empty Distance, Zero Point and Span2026-08-10Prevent radar level offsets by measuring the antenna reference, empty distance, zero point and span consistently, then verifying transmitter and PLC scaling. -
Radar Level Meter Dead Zones: Setting Safe High and Low Measurement Limits2026-08-10Understand upper blocking distance and lower measurement limits, then set radar level alarms so the antenna, nozzle, tank bottom and process risks remain outside unreliable zones. -
Radar Level Meter Beam Angle: How to Check the Complete Signal Path2026-08-10Use beam angle and beam-width calculations to check nozzles, walls, ladders, filling streams and material piles across the complete radar level measurement path.
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Selecting Radar Open-Channel Flow Measurement Systems2026-08-09Select radar open-channel flow systems by defining channel geometry, level and velocity methods, hydraulic conditions, mounting, validation and data quality. -
Where 120 GHz Radar Water Level Meters Add Value2026-08-09Evaluate 120 GHz radar water level meters for narrow wells and compact spaces by checking beam geometry, blocking distance, condensation, mounting and reference data. -
Selecting Radar Level Meters for Corrosive Chemicals2026-08-09Choose radar level meters for corrosive tanks by verifying every process-facing material against chemical concentration, temperature, vapor, pressure and cleaning exposure.
