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Quick Details

  • Place of Origin: Henan, China (Mainland)
  • Brand Name: qtyb
  • Model Number: QTUL
  • Product name: Ultrasonic liquid water level sensor
  • Display: Instantaneous flow,percentage flow,flow rate,total flow etc.
  • Accuracy: 1%
  • Interface: RS232
  • Medium: Virtually most liquids
  • Medium Temperature: <160 C
  • Repeatability: Better than 0.2% of reading
  • Signal output: 4~20mA,pulse,OCT etc
  • Communication: MODBUS,M-BUS,FUJI etc
  • Power Supply: 90~220VAC and Built-in battery (can work 12 hours)

Packaging & Delivery

Packaging Details 1.Covered with plastic wrap for the carton
2.No-nail packing for the wooden box
Delivery Time Inner one week after receiving the payment

Ultrasonic liquid water level sensor



Liquid level or material level measurement.


This series is compact type ultrasonic level meter for continuous non-contact level measurement in liquids and solids. It's widely applied to the metallurgical, water treatment, chemical, electricity and oil industries.


  • Integrated design, installed conveniently;
  • Protected in the excessive voltage and current , protected in the thunder and lightning;
  • The big show window of LCD is easy to debug and observe;
  • Over-voltage over-current protection, lightning protection;
  • Advanced since the clamp type terminal, to ensure that wiring never loose;
  • Intellectual signal treatment technology, guarantee that the instrument meets various kinds of operating occasion;
  • All plastic probe, acid and alkali resistant, adapt to bad environment;

Power supply DC24V (±10%) 30mACable diameterΦ 6 ~ Φ12 mm 
Display4 digit LCDSingle wire diameterΦ0.5 ~ Φ1.78
Display resolution0.03% of the actual rangeTesting cycle1.5 seconds
Output current4-20mA5º(3db) for range 12m 20m 30m
Output load0-500Ω10º(3db) for range4m 6 m 8m
-40 ℃~75℃Cover materialAluminum 
Pressure range ±0.1MPa (press definitely)The sensor materialABS/PVC/PTFE
full range and automaticProtect gradeIP67

Measuring range

Blanking distance(m)
Display resolution1mm1mm1mm1cm1cm1cm

<tr >  P  Standard Type(Non ex-proof)
  I   Intrinsically safe (Exia IIB T6 Ga)
Measure range(m)
    Energy Transducer Material/Process Temperature/Protection Grade
       A  ABS/(-40-75)℃/IP67
       B  PVC/(-40-75)℃/IP67
       C  PTFE/(-40-75)℃/IP67
         Process Connection/Material 
           G  Thread
           D  Flange 
            Electronic Unit
               2  4~20mA/24V DC Two Wire 
               3  4 20mA/24V DC  Four Wire
               4  4 20mA/220V  AC  Four Wire
               5  4 20mA/24V DC /HART Two Wire
               6  4 20mA/24V DC /HART Four Wire
               7  4 20mA/220V DC /HART Four Wire
               Y Special custom
                 Shell / Protection Grade
                   L  Aluminum / IP67
                   G  SS304 / IP67
                      Cable Entry
                        M  M20*1.5
                         N  1/2'' NPT
                              A  With Display
                              B  Without  Display




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China (Mainland) | Manufacturer, Trading Company
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