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Products // Radar Level Transmitter  
ARL5000 Series

The ARL5000 Series is a radar level transmitter particularly suited for non-contact level measurement and is characterized by 26 G high frequency microwave pulse. The measurement can reach the distance of 70 m and is not affected by the influence of noise, vapor, pressure, dust, gas volatilization etc. With excellent anti-interference ability, it can work effectively in harsh environments. Equipped with a new micro processor and optimized antennas, ARL5000 is more ideal in velocity signal analysis, processing capacity, measurement with stability and accuracy. It is perfect for level measurement control with simple structure and easy installation.

 Anti-interference of noise, vapor, dust, foam, vacuum, etc  
 Shorter wavelength, better reflection on inclined solid surface  
 Non-contact radar, free of wear and pollution  
 Small beam angle & focus energy to enhance anti-inference ability and radar echo  
 High frequency, ideal for the measurement of solid and dielectric constant   
 Measuring distance up to 70 m (230 ft), high accuracy of 3 mm


Measure Principle: Keypad:
Radar 4 internal keys for programming
Measure Range: Unit:
0-70 m ft, in, m, cm, mm
Display: Process Temperature:
4 Digit LCD with Bargraph -40~130 oC (Standard)
Resolution: -40~230 oC (Optional)
1 mm / 0.003 ft Process Pressure:
Accuracy: -1.0~40 bar G (Max. )
+/-3 mm...+/-15 mm Max. Cable Length:
Blind Area: 8 m (for single cavity housing)
The end of antenna Power Supply:
Beam Angle a: 16-26 VDC (2 wire)
20o/ 18o / 14o / 12o / 8o / 6o 24 VDC +- 10% (4 wire)
Measuring Interval: 90-253 VAC, 50 / 60 Hz (4 wire)
>1s (Dependent on configuration setting) Power Consumption:
Adjustment Time: 22.5 mA / 1W (Max. )
>1s (Dependent on configuration setting) Output:
Ambient Temperature: 4-20 mA (2 wire / 4 wire)
-40~80 oC Load
Relative Humidity: Rohm=(VDC-16) * 50
0-95% RH Resolution
Permittivity DK: 1.6 uA
>1.4 Alarm Current
Ambient Temp. Effect: No change / 20.5 mA / 22 mA / 3.9 mA
3 mm / 10 K, Max. 10 mm Damping:
Gas Pressure Effect: 0-40 s
0.22 % (Air: 10 bar / 20 oC) Communication:
Material: HART signal (Compatible) (Standard)
Antenna RS485 (MODBUS Protocol) (Optional)
PTFE / PFA / S.S. 316L Data Storage:
Process Connection Operation parameters and totalization
PP / PTFE / S.S. 304 / S.S. 316L / S.S +coated date are stored by EEPROM for more 
Housing than 10 years
Aluminum Alloy EMI / RFI Effect:
Process Connection: Follow SAMA PMC 33.1 from 20 to 1000
1-1/2" NPT / G 1-1/2" Max. :16 bar MHz and for field strengths up to 30 V/m
Flange (DN50-DN150) Max. :40 bar Vibration Resistance:
Universal Flange (DN80-DN150) Max. : 3 bar 20-2000 Hz, 1 (m/s2) 2/Hz
Protection Class: Cable Entry:
IP67 Standard: M20, Option: 1/2" NPTF
Explosion Proof, Ex d IIC T6 
Intrinsically Safe, Ex ia IIC T6 
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