Spurious echoes detected → Enable spurious echo learning. Secondary echoes detected → Enable nearest peak detection and inspect RF settings. Weak/unstable true target echo energy → Optimize RF power and filter para
2026-08-07
Scenario 1: Decreasing empty distance Fluctuation ≤ 0.4 m: Likely antenna echo interference. Fluctuation > 0.4 m: Obstacles exist between radar and target. Scenario 2: Increasing empty distance Readings are appr
2026-08-07
Answer: Suspended installation mode is enabled. Switch to standard installation mode to activate blind zone alerts (default blind zone 0.3 m, adjustable downwards). Suspended installation function: In complex echo scenar
2026-08-07
Answer: RF transmit power is normally left at the factory default — raising it is a fix for a specific symptom, not a general performance boost. When to raise it The true target echo is weak or unstable, or the de
2026-09-26
Model: JJY-YLD128HS-1.5 — 1.5-inch 80 GHz radar level transmitter Symptom During commissioning the live readings were normal, but the historical data contained zeros. Also, when the actual level was 0.5 m, occ
2026-09-30
Model: JJY-YGD38M-18L — 80 GHz short-range radar level transmitter Symptom The customer needed the radar to measure correctly at an actual distance of about 0.12 m. With the radar lifted away from the target t
2026-09-30
Model: JJY-YLD128SP — 80 GHz radar level transmitter with display Symptom The ranging result shows the radar reporting “within blind zone”. Root cause The working condition produced a weak reflection si
2026-09-30
Answer: The radar was mounted off-center (or tilted) in the 108 mm pipe, so part of the beam hit the pipe wall and the sensor locked onto the wall echo — about 1105–1106 mm — instead of the tr
2026-09-23
Answer: Possible causes: Obstacles between the sensor and the target weaken reflected echo energy. The sensor is not parallel to the target surface, leading to weak reflected echoes. The measured target is not a flat sol
2026-08-07
Answer: Bulk solids such as soybeans scatter the radar signal, so with default parameters the surface echo is misidentified and the height reads inaccurate. Field-proven tuning for the JJY-YLD128HS-1.5 on a grain silo: r
2026-09-23
Answer: The measured distance is shorter than the blind zone distance; the factory default blind zone is 0.3 m. Solutions: Adjust the sensor-to-target distance to ensure it exceeds the blind zone. Reduce the blind zo
2026-08-07
Answer: Additional configuration is required: set the installation height; calibrate current for 4‑20 mA output models. Installation height: Vertical distance from the water bottom to the radar hemisphere. After inputtin
2026-08-07
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