Blog

Category: FAQs & troubleshooting

  • Measurement/control range and turndown ratio FAQ

    FAQ: Measurement range, control range, & turndown ratio Most Alicat devices have a 0.01–100% measurable/controllable range. If you are looking at an older spec sheet, this may instead be listed as a 10,000:1 turndown ratio. Here, we’ll discuss full scale control range, flow measurement range, and turndown ratio, to clear up what is meant by […]

  • 9v firmware FAQ

    FAQ: Technical update for 9v firmware Note: For older firmware versions, see: 8v FAQ | 7v FAQ Alicat Scientific has developed a new firmware version (9v) to make the most of our newest electronics package. Which instruments are affected by this change? All Alicat devices, with the exception of Class 1 Div 2 certified devices, OEM […]

  • Barometer (-IB sensor) FAQ

    FAQ: How adding an internal barometer (-IB sensor) affects an Alicat device Alicat mass flow and absolute pressure devices can be equipped with a barometer (-IB sensor) that provides barometric and gauge pressure information.  Please contact us at 888-290-6060 or info@alicat.com with any questions. What devices can have a barometer added? Alicat’s differential pressure based mass flow meters […]

  • Downloading device registers

    When troubleshooting an Alicat device, it can be helpful to download all of the device registers to verify the current configuration or to assist in troubleshooting with an applications engineer.

  • Modbus FAQ

    Alicat devices can be ordered with either the serial Modbus RTU or the Modbus TCP/IP protocols. Some common information on these protocols is compiled here.

  • EtherCAT FAQ

    Alicat gas instruments with EtherCAT possess our full Gas Select™ list of gas calibrations, as well as the COMPOSER™ firmware for creating custom high-precision gas mixes of 2-5 gases and storing up to 20 customized gas mix compositions.

  • PROFIBUS FAQ

    PROFIBUS communications protocols are an option on most Alicat flow controllers, flow meters, and pressure controllers.

  • Resolving error codes

    Resolving error codes When an error occurs with your Alicat product, you will be shown an error code. Here is a reference that describes some common error codes and troubleshooting measures you can take to resolve the issue. Error codes ADC: This error is indicative on an analog to digital conversion error. Typically this will […]

  • FlowVision SC troubleshooting

    Troubleshooting FlowVision SC™ “Failed to Establish Serial Port Connection” or “Access is Denied” Error This message occurs when multiple programs in Windows try to access the same serial port. For instance, if FlowVision SC is open and connected to serial port COM4, and you try to connect to COM4 via another serial terminal applications (ie: […]

  • 8v firmware FAQ

    FAQ: Technical update for 8v firmware Note: For different firmware versions, see: 9v FAQ | 7v FAQ Alicat Scientific has developed a new firmware version (8v) to make the most of our newest electronic package. Which instruments are affected by this change? All Alicat devices, with the exception of Class 1 Div 2 certified devices, will […]