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non contact radar level transmitter manufacturer

  • Application:Hygienic liquid storage, Corrosive container
  • Precision: ± 3mm
  • protection:IP67
  • Measuring Range:20m
  • Temperature:-40℃~150℃
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Product Overview
This series of radar level meter adopted 26G high frequency radar sensor, the maximum measurement range can reach up to 70 meters. Antenna is optimized further processing, the new fast microprocessors have higher speed and efficiency can be done signal analysis, the instrumentation can be used for reactor, solid silo and very complex measurement environment.
 
Principle
Radar level transmitter antenna microwave pulse is narrow, the downward transmission antenna. Microwave exposure to the medium surface is reflected back again by the antenna system receives, sends the signal to the electronic circuit automatically converted into level signals (because the microwave propagation speed, electromagnetic wave to reach the target and the reflected back to the receiver this time is almost instantaneous).
                                                                              
                                                                     A: Range set    B: Low adjustment    C: High     D: Blind area

Datum measurement: Screw thread bottom or the sealing surface of the flange.

Note: Make sure the radar level meter the highest level cannot enter the measuring blind area (Figure D shown below).

Features
     ♦   Small antenna size, easy to install; Non-contact radar, no wear, no pollution.
     ♦   Almost no corrosion, bubble effect; almost not affected by water vapor in the atmosphere, the temperature and pressure changes.
     ♦   Serious dust environment on the high level meter work has little effect.
     ♦   A shorter wavelength, the reflection of solid surface inclination is better.
     ♦   Beam angle is small, the energy is concentrated, can enhance the ability of echo and to avoid interference.
     ♦   The measuring range is smaller, for a measurement will yield good results.
     ♦   High signal-to-noise ratio, the level fluctuation state can obtain better performance.
     ♦   High frequency, measurement of solid and low dielectric constant of the best choice.

 



 
certificate






 QTRD 906   26G Level Sensor Specification

Suitable for
Medium

Hygienic liquid
storage,corrosive container

Explosion-proof Grade

Exia IIC T6 Ga

Measuring Range

20 meters

Frequency

26 GHz

Temperature:

-40℃ ~ 150℃

Measurement
Precision

±3mm

Process Pressure

-0.1 ~ 0.1MPa

The signal Output

(4 ~ 20) mA/HART (Two wire/Four)RS485/Modbus

The Scene Display

Four digital LCD

Shell

Aluminum

Connection

Flange

Protection Grade

IP67

License
P Standard (Non-explosion-proof)
I Intrinsically safe (Exia IIC T6 Ga)
G Intrinsically safe type, Flameproof (Exd (ia) IIC T6 Ga)
  Process Connection / Material
B Flange DN80 / Stainless Steel 304 
C Flange DN100 / Stainless Steel 304 
D Flange DN125 / Stainless Steel 304 
E Flange DN150 / Stainless Steel 304 
F Flange DN200 / Stainless Steel 304 
H Flange DN250 / Stainless Steel 304 
Y Special Custom-tailor
  Antenna Type / Material
B Horn Antenna Φ46mm / Stainless Steel 304 
C Horn Antenna Φ76mm / Stainless Steel 304 
D Horn Antenna Φ96mm / Stainless Steel 304
  Seal Up / Process Temperature
V Viton / (-40~150) ℃
K Kalrez / (-40~250) ℃
   Electronic Unit
2 (4~20) mA / 24V DC / Two wire system
3 (4~20) mA / 24V DC / HART two wire system
4 (4~20) mA / 220V AC / Four wire system
5 RS485 / Modbus
  Shell / Protection Grade
L Aluminum / IP67
G Stainless Steel 304L/ IP67
  Cable Line
M M 20x1.5
N ½″ NPT
  Field Display/The Programmer 
A  Belt
X  Without
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