Return Policy

Within 30 days of receipt of your order, you may return unused product(s) in their original condition and original packaging for a full refund. Please call us at 978-372-6006 or email us at [email protected] for a return authorization number prior to sending any product(s) back to us.

Customers are responsible for return shipping costs.

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  • Calculator
  • Standard Flow Rate (SCFM) Calculator

    Calculate the SCFM.

    Power Flowrate Calculator

    Calculate the electrical power, flow rate or temperature requirement.

    Temperature Conversion

    Fill in one value to calculate the other.

    Ohms Law Calculator

    Fill in two values to find the other two.

    Pressure Conversion

    Fill in one value to calculate the other.

    Three Phase Unit Calculator

    Fill in two values to find the 3rd.

    Single Phase Unit Calculator

    Fill in two values to find the 3rd.

    Parallel Resistance Calculator

    Calculate the total resistance in ohms of resistors that are in parallel by entering the value of each below.

    Series Resistance Calculator

    Calculate the resistance in ohms of resistors connected in series by entering the value of each.

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