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Shenzhen Jiwei Automations Ltd.

Address：5th Floor, Baoli Building, No. 3162 Longgang Avenue, Shenzhen, P. R. China.
Tel：+86 755 28407683

Pulse Radar Level Meter

Rada-22 Pulse Radar Level Meter

●　With adjustable guide, effectively improves the measurement reliability for sloping solids.

●　Multiple programmable echo signal processing algorisms, suitable for variety of complicated application conditions.

●　With automatic false echo signal suppression function, can eliminate fixed interferences intelligently.

●　LUI displays the echo signal, convenient for troubleshooting.

●　Intrinsic safety explosion protection certified infrared handheld programmer for wireless remote set up.

Overview
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Rada-22 is a 25 GHz high-frequency pulse radar level meter with horn antenna. It is dedicated to solids level measurement. The maximum measuring range is 30m. Rada-22 is with a unique universal joint (adjustable guide) design to make the microwave emission direction adjustable during installation to fit the operation conditions on site. This effectively improves the measurement reliability for sloping solids. It is suitable for applications under heavy dust and high temperature environment.
The Rada-22 pulse radar level meter is designed with high frequency microstrip structure. A 25GHz microwave pulse signal is generated by the internal electronic circuit. Based on high frequency waveguide theory, the microwave pulses, through a PTFE emission pole, are transmitted from the end of an antenna. When the transmitted pulses hit the surface of the measured medium, part of the energy is reflected back and received by the same antenna. A special time expanding technique is used to produce a signal contains information of the time interval between transmitted pulse and received pulse. The distance between the antenna and the surface of the measured medium is then calculated as a result.
●　With adjustable guide, effectively improves the measurement reliability for sloping solids.
●　Multiple programmable echo signal processing algorisms, suitable for variety of complicated application conditions.

●　With automatic false eco signal suppression function, can eliminate fixed interferences intelligently.

●　LUI displays the echo signal, convenient for troubleshooting.
●　Intrinsic safety explosion protection certified infrared handheld programmer for wireless remote set up.

Measurable solids	Dielectric constant	DK>1.6
Antenna	Type	Horn antenna
Antenna	Material	316L
Measurement parameters	Transmit frequency	25GHz
	Measurement range	30m
	Blind limitation	0.05m (count from the reference point)
	Deviation	Within measuring range 300mm: 25mm. Other area: 0.1% of full measuring range or 10mm, whichever is larger.
	Repeatability	±5mm
Power supply	DC	Rated 24V DC, Max.30V DC
Power supply	AC	Rated 220V AC, 50HZ
Signal output	Analog output	4～20mA (±0.02mA)
	Communication protocol	HART, PROFIBUS-PA
	Fault protection	Programmable high, low or hold
Operation condition	Process pressure	Max. 5bar, or 3bar if the temperature is under 80℃.
	Process temperature	-40～200℃
	Ambient temperature	-40～80℃
	Installation level	I
	Pollution degree	IV
Approval	Ingress protection rating	IP67
Approval	Explosion proof	Flameproof Enclosure : EXd IIC T4 Intrinsic Safety：EXia IIC T4
Materials	External housing	Aluminum coated withpolyester powder.
Materials	Process fitting	316L
Optional device	Dust cover	PTFE
Optional device	Purge device	1/8” NPT

●　Level measurement for variety of solids such as raw materials for chemical industry, variety of ores, construction materials and grains, etc.
●　Level measurement mainly for industries such as chemical engineering, electric power, environment protection, cement and food processing etc.
For more information, please Contact：sales@jiweimeter.com

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