Level Meters

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Principles
Radar · Guided wave · Ultrasonic
Range
0.15 m … 60 m
Accuracy
up to ±2 mm
Media
Liquids · Solids · Corrosive
Complete Level Measurement

YOYI Level Meter Range

From economical ultrasonic transmitters to 80 GHz FMCW radar and PTFE guided-wave probes for the most aggressive chemicals — nine models cover tank farms, silos, reactors, sumps and open channels. Every unit is factory-tested and supported by YOYI engineers for its entire life cycle.

80 GHz Radar (YY series) Guided Wave Radar (RD701/702) Ultrasonic (WSU300)
Level Meter Range

80 GHz Radar Level Meters

Non-contact FMCW mmWave radar — narrow beam, vapour and dust immunity, maintenance-free.

YOYI YY550 YY550 76–81 GHz Radar Level Transmitter

YY550 — 76–81 GHz Radar Level Transmitter

Long-range FMCW radar level transmitter for storage tanks and process vessels.

0.08–30 m (0.3–60 m ext.) · 3° / 8°

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YOYI YY150 YY150 80 GHz Radar Level Meter

YY150 — 80 GHz Radar Level Meter

Compact economical 80 GHz FMCW radar for liquids and bulk solids.

8 m / 15 m · ≤ 0.15 m

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YOYI YY180 YY180 80 GHz Radar Level Meter

YY180 — 80 GHz Radar Level Meter

General-purpose 80 GHz radar level meter for process tanks.

8 m / 15 m · ≤ 0.15 m

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YOYI YY200 YY200 80 GHz Radar Level Meter

YY200 — 80 GHz Radar Level Meter

80 GHz FMCW radar with large LCD for intuitive local operation.

8 m / 15 m · ≤ 0.15 m

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YOYI YY300 YY300 80 GHz Radar Level Meter

YY300 — 80 GHz Radar Level Meter

Hygienic and chemical duty 80 GHz radar level meter.

8 m / 15 m · ≤ 0.15 m

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YOYI YY700 YY700 80 GHz Radar Level Meter

YY700 — 80 GHz Radar Level Meter

Heavy-duty 80 GHz radar for large tanks and demanding duty.

8 m / 15 m · ≤ 0.15 m

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Level Meter Range

Guided Wave Radar Level Meters

Probe-based TDR radar — foam-proof, interface measurement, corrosive-media options.

YOYI SUP-RD701 SUP-RD701 Guided Wave Radar Level Meter

SUP-RD701 — Guided Wave Radar Level Meter

Guided-wave radar for liquids and bulk solids up to 30 m.

5–30 m · ±5 mm (5 m range)

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YOYI SUP-RD702 SUP-RD702 Guided Wave Radar Level Meter

SUP-RD702 — Guided Wave Radar Level Meter

Fully PTFE guided-wave radar for acids and corrosive media.

2–10 m · ±5 mm (2 m range)

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Level Meter Range

Ultrasonic Level Meters

Time-of-flight ultrasonic — the economical non-contact choice for water and wastewater.

YOYI WSU300 WSU300 Ultrasonic Level Transmitter

WSU300 — Ultrasonic Level Transmitter

Non-contact ultrasonic level transmitter with LCD — simple, economical, reliable.

5 m / 10 m · 0.35 m

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Which Level Meter Fits Your Tank?

Tell us the media, tank height and conditions — YOYI engineers will recommend and size the right instrument within one business day.

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