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    Insertion-type ultrasonic measurement technology
  The insertion type transducer (single/double transducer version) is a domestically pioneering and patented
  product (Patent No.:ZL99251293.X). The development of the transducer makes it possible to mount the transducer
  on-line under water pressure without incurring any economic loss due to shutdown of water flow, and eliminate the
  drawbacks experienced in the long-term use of clamped-on type transducer, such as instability and unreliability.
  The dual-transducer version (Patent No.: ZL200420006380.1) is battery-powered and adaptable to larger pipe
  sizes at places where on-site power source is unavailable.
  Representative products: SCL-60x series digital insertion-type ultrasonic flowmeter     
                                                SCL-70xSL series insertion-type ultrasonic flowmeter
                                                SCL-73xLL series insertion-type dual-transducer ultrasonic flowmeter
                                                CRL-G0xS series industrial ultrasonic heat/cold meter
   
    A special drilling tool for drilling holes on pipe under pressure
  It is a hand-held drilling tool specifically designed for on-line mounting of insertion-type transducer (Patent No.:
  ZL992114.6).Compact in size, it can be used at places with limited mounting space. Moreover, the tool can effect
  automatic drill bit cooling and drill chip removing during drilling operation. Its use makes the mounting of insertion-type
  transducer easier and more convenient.
   
    High-temperature flow transducer
  The high-temperature version can ensure a normal operation under a temperature up to 150℃ with noticeable
  increased signal intensity and pressure-bearing capacity. Its use makes it possible to effectively extent the measuring
  range of an ultrasonic flowmeter for better catering to the needs of users.
   
    Digital ultrasonic flowmeter
  The use of the DSP digital signal processor makes it possible to switch analog signal to digital signal – a significant
  breakthrough in ultrasonic flow measuring technology. The meter offers an ultra-high error-correction and anti-interference
  capability, much higher accuracy and operating reliability.
  Representative products: SCL-60x series insertion-version    
                                                 SCL-61x series pipe-section-mounted version
                                                 SCL-62x series clamped-on version
                                                 SCL-630 portable version
    Micro-power consumption version
  This kind of flowmeter was successfully developed in August 2002. It is battery powered with drastically reduced power
  consumption (<1mW) and can continuously run for a period of over 10 years with a single cell. The meter is adaptable to
  large pipes with a size up to 4m and capable of working uninterruptedly for a period of over 6 years with a single battery
  cell.
  Representative products:  SCL-70xSL series insertion version
                                                 SCL-73xLL series insertion-type dual-transducer version
                                                 SCL-61D series ultrasonic water meter
                                                 SCL-61H series household-use ultrasonic heat meter
                                                 CRL-H (L) household-use ultrasonic heat/cold meter
 

                                               CRL-G1xSxD series industrial ultrasonic heat/cold meter
    Ultrasonic heat (cold) meter
 

The application of the ultrasonic flow measuring technology in the field of heat (cold) volume measurement has

  effectively led to the elimination of the bottleneck encountered in the use of a mechanical heat (cold) meter, such as the
  liability to get clogged under harsh working condition, and the troubles that may be experienced by heating companies
  and real estate developers afterwards because of the use of instable and vulnerable mechanical heat (cold) meters.
 

Huizhong is the first among its domestic counterparts to own the independent intellectual property rights of this kind

  of meter.
  Representative products:  CRL-H (L) household-use version
                                                 CRL- G1xSxD series industrial version
                                                 CRL-G0xS series industrial version
    GSM wireless meter reader featuring micro-power consumption
 

The application of the innovative micro-power consumption technology on GSM wireless meter reader effectively

  expands the reader’s application scope. The reader is battery powered and can work smoothly on site where external
  power source is not available.
   
   
    General intrinsically-safe/flameproof intrinsically-safe ultrasonic flowmeter
 

The technical crux of these meters lies in the design of intrinsically-safe circuit which enables the meter’s transducer

  and conversion unit to work smoothly in an environment posing II BT6 explosion hazard.
   
    SCL-61D ultrasonic flowmeter in cast iron structure
 

It is a novel type meter featuring the use of cast iron casing instead of steel casing in original design. After the structure

  change, it still retains the original capacity of being sensitive to an extremely low initial flowrate (0.005m/s). Furthermore,
  it is water saving and energy-efficient due to the absence of any flow-resisting parts in the casing. Its other attractions
  involve:
  1.Highly corrosion-resistant. Long service life of measuring pipe section. More adaptable to harsh working condition.
  2.The conversion unit is in modular design. In case of trouble, the unit can be replaced on site in a few minutes without the
  need to send it back for repair in workshop. This may lead to shorter downtime and elimination of economic loss suffered
  by users because of repair requirements.
  3.Improved IP68 protection performance
 

Utility model patents:
                                       Conversion unit: No.: 200620018697.6
                                       Measuring pipe section: No.:200620019-8696.1
  Outward appearance design patents:
                                       Ultrasonic flowmeter: No: 200630008748.2
                                       Measuring pipe section: No.: 200630008747.8
 

Tangshan Huizhong Instrumentation Co., Ltd. Tangshan Huizhong Wylton Instrumentation Co., Ltd.
Add: Qinghua Road, New and Hi-Tech Development Zone, Tangshan, Hebei Province, China Postcode: 063020