Nohken

Ultrasonic Level Meter / Open Channel Flowmeter HD320

HD320-NOK is a 2-wire loop powered integrated non-contact ultrasonic level meter for level and flow monitoring of liquids in storage tank, simple process tanks and open channel.

The reliable of the level data is based on digitalized signal processing algorisms which is called enhanced DSP and enable mask function, 4 display modes, easy programing and open channel flow calculation.

HD320-NOK incorporates an internal temperature sensor to compensate for temperature changes.

Datasheet

 

Features:

  • Compact & Light Weight (350 g) enable easy installation and maintenance 
  • Local user interface with four-button programming, menu-driven parameters 
  • Masking function eliminates unnecessary echoes caused by obstructive objects
  • Open Channel Flow calculation software is equipped (triangular-notch weir, rectangular weir & Parshall-flume; display integrating flow and output instantaneous flow) 

Specifications: 

 Measurement object  Liquid, Slurry
Ultrasonic frequency 50 kHz
Measurement range 0.25 to 7.5 m
Beam angle 14 ﾟ (-6dB) / 10 ﾟ (-3dB)
Power source 21.6 to 26.4 V DC
Max. power consumption 0.6 W
Measurement accuracy ± 0.25 % F.S.
Resolution 1 mm
Temperature compensation sensor -20 to 70 ℃, Accuracy: Within ± 2 ℃
Output current 4 to 20 mA ± 0.02 mA DC
Display Graphic LCD (128x48dot)
Setting Key operation
Memory backup EEPROM
Mounting G2 Thread
Material of main unit PP (Polypropylene)
Protection class IP65 equivalent (Without lid: IP20 equivalent)
Ambient temperature -20 to 70 ℃ (No freeze and dew condensation)
Ambient humidity Max. 80 % (at 31 ℃)
Storage temperature -30 to 80 ℃ (No freeze and dew condensation)
Standard EN61326-1: 2013
Weight 350g
Accessory 10 m cable 2 x 0.75mm2 ( with detachable waterproof connector)


 

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