Markertek - The Future of Broadcast Supply

Call 800-522-2025
M-F 8:30am - 7pm EST

Free Shipping Promo Box

FREE SHIPPING No Minimum Order!

SHOP MARKERTEK EVERYDAY for all of your needs. Free shipping on almost every order placed on our website.
Special order & oversized freight intensive items ship at an additional cost. Continental US orders only.
Ask about our new Economy International Shipping Options.

Secure LoginClose X

Returning Markertek Customers

New Markertek Customers

Why Create an Account?

Creating a Markertek account now will save you time on future orders. You'll have full access to your order history and a personalized shopping experience.

PL Polarity Tester
    Questions? Ask a Markertek Expert:
    800-522-2025 Email

    PL Polarity Tester

    Manufacturer: Har-Ken Specialties

    Item #: HK-125   •   MFG #: HK125


    Our Price:$37.99

    free ship
    Availability: In Stock
    Item is Available for immediate shipping from our warehouse.



      The Model HK-125 PL Polarity Tester uses two bipolar LEDs to indicate the polarity of a DC voltage on pins 2 & 3 of the XLR connector.


      Add Accessories for your HK125:



      Continue Shopping View Cart