pHfit V 2.2
pH Calibration TimeStamp: 2025-06-01T01:07:16
SBE18/27 pH serial number: 1401
SKQ202511S post-criuse SR

t = 289.650000
a = 0.000000
b = 7.650800
c = 4.527300
d = 18.000000
deter = 54.000000
slope = 0.251517
offset = 2.550267
final slope = 4.376395

pHslope = 4.3764
pHoffset = 2.5503

residuals:
    pH       Vout       res
   7.00      2.527      0.091
   4.00      1.807     -0.045
  10.00      3.316     -0.045