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DOWESTON® is a premium instrumentation and sensor brand serving customers worldwide. DOWESTON® is dedicated to bringing users a reliable, easy-to-use, efficient and advanced inspection and measurement experience.Here you will find all contact options at a glance:
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DOWESTON ELECTRONIC INTL INC
617 CEPI DRIVE, CHESTERFIELD, Missouri, 63005,United States
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291 BRIGHTON ROAD SOUTH CROYDON UNITED KINGDOM CR2 6EQ
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DOWESTON(CHINA) CO,. LTD. ( ASIA)
No.12, Huaxing Road, Jinjiang District, Chengdu, China
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LRT-G1640 series radar level meter
LRT-G1640 series radar level meter
LRT-G1640 series radar level meter
LRT-G1640 series radar level meter
LRT-G1640 series radar level meter
LRT-G1640 series radar level meter

LRT-G1640 Series

Radar level meter
LRT-G1630 radar level gauge is a kind of measurement of liquid level based on the principle of time difference between the occurrence and reception of radar waves. It has non-contact, easy installation, wide measuring conditions, is not affected by pressure, and can meet most measurement requirements. Suitable for open air, closed liquid level measurement, product belt display, optional explosion-proof, 30 meters range can be set.
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Specification
Performance Features
LRT-G1640 series radar level gauge series sensor is 26G high frequency radar level measuring instrument, flange can be installed at any Angle, easy to install. The antenna is further optimized and a new fast microprocessor enables higher rate signal analysis and processing, allowing the meter to be used for position measurement in most operating conditions.
 

Product characteristics:

Application: liquid (substance) level measurement in most working conditions

Measuring range: 15, 30 meters

Process connection: thread, flange

Process temperature: -40 ~ 130℃(standard type) / -40 ~ 250℃(high temperature type)

Process pressure: -0.1 ~ 4.0MPa

Accuracy: ±3mm

Protection level: IP67

Frequency range: 26GHz

Power supply: two-wire system (DC24V)/ four-wire system (DC24V/AC220V)

Explosion-proof grade: Exia ⅡC T6 Ga/Exd IIC T6 Gb

Case: Aluminum single cavity/aluminum double cavity/plastic/stainless steel single cavity

Signal output: 4... 20mA/HART(two-wire/four-wire)/RS485 Mod bus

Product advantage:

● Small antenna size, easy to install; Non - contact radar, no wear, no pollution. Almost free from corrosion and foam; Almost unaffected by changes in water vapour, temperature and pressure in the atmosphere.

● Severe dust environment has little influence on the work of high frequency level meter.

● Shorter wavelength, better reflection on tilted solid surfaces. Small beam Angle, concentrated energy, enhance the ability of echo and avoid interference at the same time. ● Measurement blind area is smaller, for small pot measurement will also achieve good results.

● High signal-to-noise ratio, even in the case of fluctuation can get better performance.

● High frequency, is the measurement of solid and low dielectric constant medium choice.

Technical parameters
Process connection Thread G1½ "A/thread 1½" NPT/flange
Antenna profile Stainless Steel/PTFE
Outer shell Seal between housing and housing cover Silicone rubber
Enclosure window polycarbonate
Ground terminal Stainless steel
Supply voltage Two-wire Standard (16~26) V DC
Intrinsic safety type (21. 6~26. 4) V DC
Power consumption max 22. 5mA / 1W
Allowable ripple  
Flameproof type -<100Hz Uss < lV
- (100~100K) Hz Uss < l0mV
(22. 8~26. 4) V DC Two-wires
(198~242) V AC Four wires  /  110V AC  Four wires
Cable parameters Cable inlet/plug 1 M20 x 1.5 Cable inlet
1 blind block M20 x 1.5
Wiring terminal The cross section of the wire is 2.5mm²
Output parameter Output signal (4~2 0) mA
Communication protocol HART
Resolution  1. 6μA
Fault signal Constant current output 
20. 5mA
22mA;
3.9mA
Integration time (0~36)s,adjustable
Blind area Antenna end
Measuring distance HBRD901 10m (liquid type)
HBRD902 30m (liquid type)
HBRD902T 20m (liquid type)
HBRD903 70m (solid type)
HBRD904 80m (solid type)
HBRD905 30m (solid type)
HBRD906 20m (solid type)
Microwave frequency 26GHz
Communication port HART communication protocol
Measurement interval About 1 second (depending on parameter Settings)
Adjust time  About 1 second (depending on parameter Settings)
Display resolution 1mm
Working storage and transport temperature (-40~100) ℃
Process temperature (antenna part temperature) HBRD901 (-40~130)℃
HBRD902 (-40~250)℃
HBRD902T (-40~250)℃
HBRD903 (-40~250)℃
HBRD904 (-40~250)℃
HBRD905 (-40~250)℃
HBRD906 (-40~200)℃
Relative humidity ˂ 95%
Pressure Max. 4MPa
Shock resistance Mechanical vibration l0m/s², (10 ~ 150)Hz
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