Radar Level Meter Basics Getting Started Guide

1. What is a radar level meter?

Radar level meter is like a "smart eye" on a storage tank, measuring the height of the material by emitting microwaves. It does not need to touch liquids or solids to know exactly how much is left in the tank.

2. Main features

Accurate measurement: the error is usually only ±3mm

Not afraid of harsh environments: high temperature, high pressure, and corrosive liquids can be used

Simple installation: just install it after opening the hole on the top of the tank

Basically maintenance-free: no moving parts, not easy to break

3. Working principle three steps

The antenna emits microwaves (like a flashlight)

The microwaves hit the surface of the material and reflect back

The instrument calculates the round-trip time of the microwaves and calculates the distance

4. FAQ

Q: What materials can be measured?

A: Almost everything can be measured! Water, oil, chemicals, powder, particles...

Q: What is the maximum height that can be measured?

A: The ordinary model can measure 70 meters, and the special model can measure 120 meters

Q: Does it need to be calibrated frequently?

A: Basically no need, just calibrate once during installation

V. Selection tips

Choose 26GHz for small cans (more accurate)

Choose 6GHz for large cans (larger range)

VI. Installation precautions

Avoid feed inlets and agitators

Aim the antenna at the surface of the material

Keep the minimum measurement distance

VII. Maintenance

✅ Wipe the antenna every month

✅ Check signal strength every quarter

✅ Perform a comprehensive inspection once a year

VIII. Typical applications

Chemical plant: acid and alkali storage tanks

Granary: wheat, corn

Water treatment: sewage pool

Gas station: underground oil tank

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