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Kaidi-R90X 26GHZ Radar Level Meter

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Kaidi-R90X 26GHZ Radar Level Meter
Intelligent Radar Level Meter
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1 SET
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The characteristics of 26G radar level meter:

Ø  Small antenna size, easy to install; Non-contact radar, no wear, no pollution.

Ø  Almost no corrosion, bubble effect; almost not affected by water vapor in the atmosphere, the temperature and pressure changes.

Ø  Serious dust environment on the high level meter work has little effect.

Ø  A shorter wavelength, the reflection of solid surface inclination is better.

Ø  Beam angle is small, the energy is concentrated, can enhance the ability of echo and to avoid interference.

Ø  The measuring range is smaller, for a measurement will yield good results.

Ø  High signal-to-noise ratio, the level fluctuation state can obtain better performance.

Ø  High frequency, measurement of solid and low dielectric constant of the best choice.


ApplicationAll kinds of   corrosive liquid
Explosion-proof   GradeExiaC T6 Ga/ Exd C T6 Gb
Measuring   Range: 10m /20m /30m /70m /80m
Process   ConnectionThread, Flange
Process  Temperature -40~130
Process   Pressure: (-0.1 ~ 0.3) Mpa
Accuracy ± 5mm    
Protection   Grade IP67  
Frequency   Range:26 GHz
The signal   Output: (4 ~ 20) mA/HART   (2-wire /4-wire) RS485/ Modbus
Supply : 2-wireDC24V/ 4-wireDC24V   /AC220V
Outer Covering   : Aluminum /Plastic   /Stainless steel 

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2.   The Electrical Connection 

l  The power supply voltage:

(4~20)mA/HART   (Two wire system)       The power supply and the output current signal sharing a two core   shield cable. The supply voltage range see technical data. For intrinsically   safe type must be a safety barrier between the power supply and the   instrument.
(4~20)mA/HART(Four wire   system)      Separate power   supply and the current signal, respectively using a two-core shielded cable.   The supply voltage range see technical data.
RS485 / ModbusPower   supply and Modbus signal line separated    respectively using a two-core shielded cable, the power supply voltage   range see technical data.


l  Connection  mode:

Ø  24V two wire wiring diagram as follows:

 

1611713762(1).png

Ø  6~24V RS485/Modbus wiring diagram as follows:

 

1611713832(1).png

Explosion Proof Connection

The intrinsic safety version sensors (Exia IIc T6) use Alu-die casting housing and filling Silicone rubber sealants internal structure aimed to prevent sparks resulted from circuit failure from leaking out. It is applicable for the continuous level measurement of flammable medium under Exia IIc T6.

A safety barrier FBS-2 must be used together with the intrinsic safety instrument. It is an associated device to this product for the power supply of this product. The main specification is intrinsic safety: Exia IIC, voltage of power supply: 24V DC±5%, short-circuit current: 135mA, operating current: 4...20mA.

All cables must be shielded. The max length is 500m for the cable from the barrier to the sensor. Stray capacitor0.1μF/Km, stray inductance 1mH/Km. Instrument must be connected to the ground potential. Any unapproved associated device is not allowed to be used.

1611714018(1).jpg

l  Protection  grade:

This instrument meets the protection class IP66/67 requirements, please ensure the waterproof cable sealing head. The following diagram:

1611714084(1).png

How to install to meet the requirements of IP67:

 Please make sure that the sealing head is not damaged.

Please make sure that the cable is not damaged.

Please make sure that the cable for use with electrical connection specification.

Cable into the electrical interface before its curved downward, ensure that the water will not flow into the shell, see the

Tighten the cable seal head, see the

Please electrical interface will not use blind plug tight, see the



3.   Instrument Commissioning

l  There are three kinds of debugging method:

1)    Display / Keyboard  

2)    Host debugging  

              3)  HART handheld programmer 

l  Display / Keyboard:

Please debug the instrumentation by four buttons on the display screen. There are three debug menu languages optional. After debugging is generally used only for display, through the glass window can read measured value very clearly.

903_10.jpg


4.   Structure Size   (Unit: mm) 

l 
The outer shell:

 1611715195(1).png


l  Appearance  size:


901        

1611715345(1).png


902 

 1611715411(1).png


903 

1611715478(1).png


904 

 1611715532(1).png


905 

1611715680(1).png

906 

 1611715746(1).png

l  Flange  type: 

1611715807(1).png


5.Technical Parameters 

Process   Connection  Thread G1½″A / Thread 1½″ NPT /    Flange
Antenna   Material                  Stainless   Steel  /  PTFE
The outer shell  
The seal between the shell and the shell cover                 Silicone rubber
Casing   window                                                                   Polycarbonate
The ground   terminal                                                           Stainless steel
The power supply voltage
Two wire   system     
The standard   type                   (16   ~ 26) V DC
Intrinsically   safe                      (21.6   ~ 26.4) V DC  
Power   dissipation                    max 22.5mA / 1W     
Allowable   ripple 
Flameproof
(22.8 ~ 26.4)   V DC       2-wire   system
(198 ~242)V   AC   4-wire   system / 110V AC    4-wire system 
The cable parameters 
Cable entrance   / plug           1    M20xl.5 cable entrance

 1    blind plug
Terminal                               Conductor cross section 2.5mm²  
Output parameters
The output   signal                              (4 ~   20) mA/RS485
Communication   protocol                  HART
Resolution                                        1.6μA
Fault   signal                                       Constant   current output; 20. 5mA

22mA 

3.9mA
The integral   time                              (0 ~   36) s, adjustable
Blind   area                                 the   ends of the antenna
The maximum distance measurement      
90110   meters   (Liquid type)
90230   meters   (Liquid type)
902T                      20   meters   (Liquid type)
90370   meters   (Solid type )
90480   meters   (Solid type )
90530   meters   (Solid type )
90620   meters   (Liquid type)

Microwave

frequency                                              

26GHz
Communication   interface                                       HART   communication protocol
The   measurement interval       about   1 second (depending on the parameter settings)
Adjust the   time                         about   1 second (depending on the parameter settings)
Display   resolution                   1 mm
Working storage and transportation temperature                          (-40~100)℃ 
Process temperature (the temperature of the   antenna part)           
901(-40~130)℃
902/903/904/905                                (-40~250)℃
906(-40~130)℃  
Pressure                                     Max.4MPa
Seismic                                       Mechanical   vibration l0m/s², (10 ~ 150) Hz

6. Meter  Linearity

901 

Emission angle         20°

Precision        See chart     

1611717352(1).png


902

Emission angle                Depending on the size of the antenna

-46mm                         18°

-76mm                         12°

-96mm                          8°

-121mm                        6°

Precision                          See chart

1611717563(1).png

902T


Emission angle                Depending on the size of the antenna

-76mm                         14°

Precision                          See chart

1611717612(1).png


903

Emission angle                 Depending on the size of the antenna

-46mm                          18°

-76mm                          12°

-96mm                           8°

-121mm                         6°

Precision                           See chart

1611717662(1).png

904


Emission angle                Depending on the size of the antenna

-196mm                        4°

-242mm                        4°

Precision                         See chart

1611717733(1).png

905


Emission angle                 Depending on the size of the antenna

-76mm                          12°

-96mm                           8°

-121mm                         6°

Precision                          See chart

1611717787(1).png

906


Emission angle                 Depending on the size of the antenna

-76mm                          12°

Precision                           See chart

1611717844(1).png












 

 

 

 

 

 

 

 

 


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