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Products // Ultrasonic Level Transmitter  
AUL730 Series

The AUL730 Series is a fixed mounted, Ultrasonic Level Transmitter with Fix-in the air and used for non-invasive measurement.
Our microprocessor based, user friendly, field programmable level measurement technique allows no interruption of the process Level and has low installation costs.
FEATURES


 Simple set-up and operation  
 Fast and simple to install and configure  
 Loop-powered 4-20 mA output with HART signal  
 Low cost of installation and commissioning  
 Non-contact level measurement  
 Exclusive sensor for level transmitter  
 Response time less than 1 second 

 
SPECIFICATION

Measuring Principle: Process Temperature:
Ultrasonic Level Measurement -40~60 oC (Standard)
Measuring Range: -40~100 oC (Optional)
0-10 m, 0-15 m, 0-20 m Process Pressure:
0-33 ft, 0-50 ft, 0-65 ft -0.8~2.0 barG
Display: Max. Cable Length:
4 Line LCD with Bargraph (Illumination) 50 Meter (Separate Version)
Resolution: Power Supply:
1 mm / 0.003 ft 12-36 VDC, 2 wires (Compact)
Accuracy: 12-36 VDC / 85-260 VAC, 4 wire (Separate)
+/-0.25% of Full Scale Power Consumption:
Repeatability: Less than 3W
+/-0.1% of reading Output:
Material: 4-20 mA
Ultrasonic Tube Load
ABS Rohm= (VDC-12) * 50  
Sensor Head Alarm:
Polyurethane (Standard) / ETFE / PTFE High/Low/High-High/Low-Low (Separate)
Housing Communication:
ABS or Aluminum Alloy (Weather Proof) RS485 MODBUS, 4 Wire only (Standard) 
Aluminum Alloy (Explosion Proof) Hart Signal (Optional)
Update Time: Temp. Compensation:
<3 s Built-in to compensate over temperature
Ambient Temperature: range
-20~60 oC Data Storage:
Relative Humidity: Operation parameters and totalization 
0-100% RH date are stored by EEPROM for more
Sensor Frequency: than 10 years
40 kHz / 1 kHz EMI / RFI Effect:
Blanking Distance: Follow SAMA PMC 33.1 from 20-1000
0.35 m Max.  MHz and for field strengths up to 30 V/m
Bean Angle: Dimensions:
6o Compact (ABS)
Keypad: 105 mm (W) * 262 mm (H) * 168 mm (D)
4 Key with tactile action Compact (Aluminum)
Response Time: 161 mm (W) * 247 mm (H) * 132 mm (D)
Less than 1 second Separate (ABS)
Protection Class: 183.5 mm (W) * 218 mm (H) * 125.5 mm (D)
IP65 (ABS) / IP67 (Aluminum Alloy) Weight:
Explosion Proof, Ex d (ia) IIB T4 1.0 kg / 2.2 kg (Compact), 2.2 kg (Separate)
Installation:
G 2" and 20 m sensor is M70 * 2 Standard
Flange end (Optional)

 
 
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