In good cosmetic condition with some scuffs and scratches from normal use. The keypads and buttons are all in very good shape. Cables and straps are not included.  Guaranteed 100% working.


Martek Mark 22 In-situ Portable Analyzer/ Calibrator 

Model number: 182-10 

for measurement of pH, Conductivity, Temp

Cables and straps are not included.  Calibration may be required.


Discounts for multiple unit purchases with $8 standard shipping on the first unit and free shipping on all additional units.

30 day no-risk guarantee - if this part is DOA, if this part is not fully functional, or if there is an error in my description,  please let me know with thirty days of receipt and I will pay return shipping in addition to issuing a full 100% refund upon return.  I appreciate every order and want you to be happy with your stuff. The item in the pictures is the item that you will receive.  If you have any questions, please let me know.  Thanks!