PC-400 Portion Control Scale Doran proudly introduces the new PC-400 Portion Control Scale, the most feature-packed, heavy-duty scale in its class. With a surprisingly low price, the PC-400 is the result of responding to your needs, utilizing Doran’s experience of over 25 years of reliable and innovative scale designs. The rugged PC-400 makes the “throw-away” portion control scale a thing of the past.