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Save $200 – Upgrade to Latest Defender or Definer 220

MesaLabs Definer 220. Flow Ranges L (5-500ml/min), M(50-5000 ml/min), H (30-30000 ml/min)

You save $200 upgrading to latest Defender 510/520/530 or Definer 220

Trade-in any competing brand, any model or any discontinued Bios DryCal calibrator; save $200 off the list price of a new Defender 510/520/530 or Definer 220. This is a one-for-one exchange. Additional discounts for multi-cell trade-ins.

Are you considering upgrading your existing flow calibrators? Now is the time to do it. Take advantage of this generous trade-in offer.

Easy 1-2-3 Procedure

  1. Send us the make, model and serial number of your trade-in. The Contact Form above works well, or email us the information at We will obtain a formal price quote from MesaLabs specific to this instrument –  make, model, S/N.
  2. Place a purchase order with us referencing the MesaLabs quotation for a Defender 510, 520, 530 or Definer 220. Your investment will be $200 less than the list price.
  3. Promptly return the trade-in to MesaLabs within 2 weeks of receiving your new Defender or Definer.

Questions: Call Ed Sward at 1-800-804-6196 or 972-985-0883.