Polarity for QSP1:

Looking from the end opposite of the water connections and in the direction of the arrow 
painted on the side of the magnet the pole tip strengths at ~ 33 amps are:

               |      |
  N = 0.27 T   |      | S = -0.27 T
               |      |
           ----       ----
                  
		  x
                  
            ----       ----
               |      |
  S = -0.27 T  |      | N = 0.27 T
               |      |