High Frequency IP67 Radar Level Meter

• Customization: Available
• Structure Design: Flange Type
• Pressure Range: Nature Pressure
• Model NO.: PCRL02, PCRL04,PCRL05,PCRL06,PCRL07,PCRL09,PCRL010
• Display Type: LCD
• IP Rating: IP67
• Certification: CE
• Customized: Customized
• Transport Package: Carton
• Trademark: WTsensor
• Origin: China
• Production Capacity: 1000 Pieces

Product Description

Radar Level Meter 

Product overview   
This series of radar level meter adopted 26G high frequency radar sensor, the maximum measurement range can reach up to 60 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.


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.

The instrument cannot be installed in the arched or domed roof intermediate. In addition to produce indirect echo is also affected
by the echoes. Multiple echo can be larger than the real value of signal echo, because through the top can concentrate multiple
echo. So cannot be installed in a central location.

Electrical Connection

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 / Modbus                    Power supply and Modbus signal line separated  respectively using a two-core shielded cable, the power supply voltage range see technical data.
 

Connection mode:

Technical Parameters

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 
- <100Hz                       Uss<lV                                                                                        - (100~100K) Hz                Uss<l0mV
 

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              70 meters
 

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) ºC

Process temperature (the temperature of the antenna part)                   (-40~250)ºC

Pressure                                      Max.4MPa
 

Seismic                                       Mechanical vibration l0m/s², (10 ~ 150) Hz

 

Meter Linearity

Emission angle                     Depending on the size of the antenna
-¢76mm                                12°
-¢96mm                                 8°
-¢121mm                               6°
Precision                               See chart
 

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