Aysix Technologies

- Model 230 - Portable Clamp on Flow Meter



The Aysix portable flowmeter has a more advanced specification and is intended for more demanding measurements. The specification of the 230 allows it to be used for applications such as heat flow measurement and the monitoring of two pipes simultaneously. Katronic clamp-on ultrasonic flow meters equipped with the optional heat quantity measurement function have been used for many years as portable and permanently installed heat meters by businesses of various industries and municipal organisations all over the world.

Due to their capability of determining energy transmission, they are particularly useful for the building services activities and are also frequently used within the food and drink industry where heating and chilling applications are essential parts of the production process.The clamp-on mounting technique of the flow and temperature sen-sors enables the flow meters to measure the heat quantity non-invasively and non-intrusively from outside the pipe. For this reason there is no need to cut into the pipe and therefore no interruption of flow, no pressure drop, and no risk of leakage.

The portable meter can be used for spot measurements as part of energy consumption surveys on heat exchangers, heating and chilling lines, HVAC systems, and boilers. In the case of retrofit situations, the  flow meter is the ideal solution for permanent installation. With various process inputs, outputs and serial interfaces, the Aysix 150 can easily be embedded into automated control systems, and can act as an additional control unit for heating and cooling systems. A set of ultrasonic flow sensors is installed on a suitable pipe section along with two PT100 temperature sensors which are mounted to the pipe at the inlet and outlet of the chosen location. From the specific heat capacity of the flowing medium, the energy transmission can be determined using the calculated mass flowrate and temperature difference between the inlet and outlet.

  • Transit-time correlation measurement
  • Dual DSP-technology, coded signals for better measurement accuracy
  • Two channel portable unit with graphic display
  • Easy to install clamp-on sensors with no process interruption
  • Non-invasive flow measurement of liquids or liquified gases
  • External temperature and heat quantity measurements
  • For process temperatures from -30 °C to +200 °C
  • Bi-directional flow measurement
  • Intuitive instrument menu
  • Setup Wizard for easy and quick meter programming

General Specifications

  • Measuring Principle: Ultrasonic time difference correlation principle
  • Flow Velocity Range: 0.01......25m/s
  • Resolution: 0.25 mm/s
  • Repeatability: 0.15% of measured value +/- 0.015 m/s
  • Accuracy: Volume Flow: +/- ...3% of measured value depending on application
  • Turn Down Ratio: +/- 0.5% of measured value with process calibration
  • Gas & Solid Content: Flow Velocity: +/- 0.5% of measured value
  • Enclosure: 1/100
  • Degree of protection: < 10% of volume
  • Operating Temperature: Portable
  • Housing material: IP 65 according EN 60529
  • Flow Channels: -10 ... 60 ?C (14 ... 140 ?F)
  • Power supply: Extruded aluminium, Al MG Si 0.5, lids die-cast zinc alloy GDZnAL 4 CU 1
  • Display: 2
  • Dimensions: Internal rechargeable batteries,8 x NiMH AA 2850 mAh or external power supply 9 V DC
  • Weight: LCD graphic display, 128 x 64 dots, backlit
  • H 266 x W 168 x D 37 mm

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