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KATflow 100

The KATflow 100 is a compact clamp-on ultrasonic flow transmitter with a robust and practical design for permanent installation and flow measurement on single pipes. The instrument offers a cost-effective option owing to its simplified specification and availability of a range of transducer types. The varied functionality and simple operation of the KATflow 100 make it the perfect product for large projects and customer specific solutions.

Pipe Diameter 10 – 3,000 mmMains Operated

Fixed InstallationHeat Quantity MeasurementProcess OutputsDegree of Protection IP 66

The KATflow 100 electronics are housed in a robust wall or pipe mounted aluminium enclosure and can be powered by AC or DC power supplies. In spite of its relative simplicity the KATflow 100 offers the user a wide range of input, output and communication interfaces such as RS 485, Modbus and the more traditional 4-20mA and open-collector pulse. As a special solution the KATflow 100 can be offered without local display with a hand-held programming device.

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KATflow 150

The KATflow 150 is the premier product for flexibility and performance, providing the user with a comprehensive specification and a list of configuration options. The practical modular design and the wide variety of different transducer types available ensure this instrument is suitable for everything from simple water flow measurements to energy flow monitoring and automated process control.

Pipe Diameter 10 – 6,500 mmFixed Installation

Heat Quantity MeasurementMains Operated

Internal Data Logger

The KATflow 150 is an advanced ultrasonic flowmeter for permanent installation. The dual-channel design allows the user to either save cost and time by performing two independent measurements simultaneously or to install two pairs of transducers on a single pipe for locations where there are non-ideal flow conditions. Where this is used the sumdifferenceaverage and maximumcalculations are available in order to provide further processing of the data.

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KATflow 170

The KATflow 170 provides a corrosion-resistant option as part of a fully ex-certified package. The flowmeter is intended for permanent operation in Zone 1 and 2 hazardous areas and is an economical choice for a variety of metering applications. The KATflow 170 demonstrates that even the most complex technical requirements can be met with straightforward solutions.

Pipe Diameter 10 – 3,000 mmATEX, IECEx, EAC-Ex-certified

Degree of Protection IP 66Temperature CompensationInternal Data LoggerProcess Outputs

The KATflow 170 flowmeter is designed around a choice of explosion-proof housings available in either offshore industry compliant epoxy-coated copper-free aluminium, or stainless steel. The instrument is extremely easy to use and is programmed with a magnetic pen and a glass-fronted keypad for increased safety. The robustness and reliability of the KATflow 170 is further enhanced by its encapsulated IP 68 transducers which are manufactured from stainless steel and have a sturdy cable conduit.

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KATflow 180 ( Gas Clamp-On Ultrasonic Flowmeter )

Gas Clamp-On Ultrasonic Flowmeter


The new KATflow 180 represents the culmination of many years of development in the field of ultrasonic technology. It has been designed to provide a reliable measurement on varying applications from high pressure flow systems to locations where in the past clamp-on devices would not have been considered suitable. Unlike other instruments the new meter can be installed on metallic gas pipes where the pressure is far lower than the recognised five bar minimum, with measurement possible down to atmospheric conditions. This is achieved through a combination of powerful sophisticated electronics, adaptive filtering techniques and innovative signal processing algorithms using Digital Signal Processors (DSPʼs).

Pipe Diameter 25 – 1500 mmDegree of Protection IP 66Temperature Compensated FlowATEX-certifiedPressure Compensated FlowVarious Gases Possible

With the innovations introduced by Katronic in the KATflow 180 it is possible to measure flow of a variety of different gaseous media from 0.1 to 75 m/s. The advanced transducer assembly economically offers both shear and Lamb wave measurements with a minimum number of sensors, for greater simplicity. The unit is available for permanent use in both safe and hazardous environments with rugged housings for Zones 1 and 2. The KATflow 180 is easily programmed with a magnetic pen for increased safety and can measure on all commonly used pipe materials.


  • Suitable for installation in safe and/or hazardous areas
  • Shear and Lamb wave IP 68 stainless steel sensors
  • Process output options including current, open-collector, relay
  • Communication option Modbus RTU, Modbus TCP/IP
  • Inputs for temperature, pressure and gas compressibility factor available
  • Web-based data evaluation, instrument setup via wired, wireless or GSM connection


  • Pipe diameter range 25 mm to 1500 mm
  • Temperature range for safe area sensors -20 °C to +135 °C (-4 °F to 275 °F), 
    for Ex-sensors -40 °C to +80 °C (-40 °F to +176 °F)
  • Robust IP 66 unit with OLED display and glass-fronted keypad
  • Pressure range 1 bar (absolute) to unlimited maximum
  • Flow velocities 0.1 m/s to 75 m/s
  • All commonly used pipe materials

Oil and GasMarine and ShipbuildingPower GenerationManufacturing and ProcessPharmaceutical

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