Technical Center

Radar in water conservancy mounting

Hot:12752014-04-03 12:07:21 From: FTD Automation Instruments Limited - Field Instruments

 Radar in water conservancy mounting

 

l Basic Requirement of Radar level meter

There is an emission angle for antenna; There should be no any obstacle within the area where the microwave beam covered.

Any shield devices should be avoided, better to learn some “false echo” knowledge;

Microwave beam of radar level meter should not cross with water flow;

The highest level should not be in blanking area;

The radar level meter should be grounded, and take thunder prevention methods;

l Illustrations

1. Blanking Zone

2. Set range

3. Max. adjustment

4. Min. adjustmen

The reference plane is the thread or flange surface.

 

Note: the highest level should not be in the blanking zone as 1 show above.

l Radr level meter Mounting place

1. Reference plane

 

The radar level meter should keep distance between the wall at least 200mm.

l Weather Proof

Radar level meters which are installed outdoors need to take following methods to protect the radar:

1. Tightly screw the cable glands

2. Curve the cable where near the electrical port downward.

 

l Typical Wrong Installation

1. Wrong: do not install the radar level meter above the pouring flow ; the measuring media is water surface not water flow;

2. Correct: Weather proof measurements have been taken.

 

l Reflector Installation

If there are obstacles such as dam to affect measuring, reflectors are recommended. Or adjust mounting places; When necessary, “false echo” should be learned.

 

1. Blanking Zone

2. Set range

3. Max. adjustment

4. Min. adjustment

 

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