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ALUSYS heat flux measurement system

Measuring system for heat flux and temperature survey

ALUSYS is a measuring system for trend-monitoring and mobile survey of heat flux and surface temperature in industrial environments. Sensors and electronics have the robustness necessary for this application. Powered from a low-voltage rechargeable battery, it is easy and safe to use. In its standard configuration the system consists of an MCU Measurement Control Unit in a metal housing and 12 x heat flux and surface temperature sensors of model HF01. Measured data are stored for later analysis.


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ALUSYS measures heat fluxes and surface temperatures in demanding environments

ALUSYS measures heat fluxes and surface temperatures in demanding environments. It is designed for industrial surveys, for example surveys of aluminium smelters / furnaces. The ALUSYS system employs dedicated sensors and electronics. Their high accuracy and sensitivity ensure that ALUSYS will still measure under circumstances where competing systems no longer perform reliable measurements; i.e. down to very low heat fluxes. The measurement and control unit, MCU, has a robust aluminium housing and accepts 12, or optionally 3, sensors. The system generates a measurement file, including a time-stamp, heat flux and temperature for all sensors. The measurement data are stored in the MCU and are later downloaded to a PC. The user is responsible for data analysis. A PC or the Keyboard Display may be used for real time measurement review and control of the data storage.

With HF01 heat flux sensors

Powered and charged using a low voltage, ALUSYS is safe to use. The system can operate for a limited time on MCU’s internal rechargeable battery. For all information on the HF01 heat flux and surface temperature sensors, see the HF01 manual. Optionally other sensor models may be used.


Measurand heat flux (12 x)
Number of measurement locations 12 (see options)
Heat flux sensor (see options) model HF01 with connector at cable end
Included extension cable 12 x low temperature extension cable with 2 connectors (length 15 m)
Rated operating temperature ranges :
Sensor & high temperature cable -30 to +550 °C
Low temperature extension cable -30 to +240 °C
Data storage capacity 4 MB  > 1 day of data
Required data analysis to be performed by the user
IP protection class :
Sensor & high temperature cable IP68
Low temperature extension cable IP67
MCU and Keyboard Display IP63
Data display on Keyboard Display
MCU specifications :
Voltage measurement accuracy 0.5 x 10⁻⁶ V
Rated power supply voltage 16 to 40 VDC
Adapter power supply 100 – 240 VAC 50/60 Hz
Connection to PC via USB
Rated operating temperature range MCU -15 to +50 °C
  • ALUSYS with 3 x heat flux and temperature sensor
  • low temperature extension cable with 2 connectors, matching cable connector and chassis connector (typical length 15 m)
  • other sensor models than HF01
  • sensors and MCU with extended rated operating temperature range


Suggested use

  • surveys of industrial installations, for example of aluminium melting furnaces
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