Guided wave radar level gauge

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Product Models:

Product Category:

Level meter

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The guided wave radar series level meter is a new level meter based on the principle of time difference. The high-frequency pulse signal emitted by the electronic component propagates along the guide material. This feature makes this type of level meter suitable for many bad things that ordinary level meters cannot measure. Environment such as: low dielectric constant, dielectric with foam, etc.

Product description

Measuring principle>>

Guided wave radar is a measuring instrument based on the principle of time travel. The radar wave runs at the speed of light, and the running time can be converted into a level signal by electronic components. The probe sends out high-frequency pulses and propagates along the cable. When the pulses meet the surface of the material, they are reflected back and received by the receiver in the meter, and the distance signal is converted into a level signal.

　　B: Blind area F: Maximum measuring range E: Full warehouse D: Empty height L: Material height

　　★Note: When using radar level timing, make sure that the highest material level cannot enter the blind area of measurement

Input>>

The reflected pulse signal is transmitted to the electronic circuit part of the instrument along the cable, and the microprocessor processes this signal to identify the echo generated by the microwave pulse on the surface of the material. The correct echo signal identification is done by intelligent software, and the distance D from the surface of the material is proportional to the time travel T of the pulse:

　　D=C×T/2

　　 where C is the speed of light

　　Because the distance E of the empty tank is known, the level L is: L=E-D

Output>>

Set by inputting the empty tank height E (=zero point), the full tank height F (=full scale) and some application parameters. The application parameters will automatically adapt the meter to the measurement environment. Corresponds to 4-20mA output.

Technical parameters>>

Maximum range	WP-RD701 max：30m WP-RD702 max：6m WP-RD703 max：6m

Repeatability	±3mm

Resolution	1mm

Output current signal	4～20mA

Precision

Communication Interface	HART Protocol

Process connection	G1-1/2A、1-1/2NPT FlangeDN80，DN100，DN150

Process pressure	-1～40bar

power supply	DC24V(±10%)

Power consumption	max22.5mA

load



Ripple voltage	＜100HZ Vss＜1V HZ100-100KHZ Vss＜10mV

Environmental conditions	Temperature -25℃～+60℃

Enclosure rating	IP68

Explosion-proof grade	ExiaⅡCT6 ExdⅡT6

Two-wire wiring	The instrument power supply and signal output share a two-core shielded cable

Cable entry	M20×1.5

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