pHfit V 2.2
pH Calibration TimeStamp: 2025-05-19T22:22:37
SBE18/27 pH serial number: 1401
SKQ202511S pre-criuse SR

t = 289.380000
a = 0.000000
b = 7.650700
c = 4.534800
d = 18.000000
deter = 54.000000
slope = 0.251933
offset = 2.550233
final slope = 4.387735

pHslope = 4.3877
pHoffset = 2.5502

residuals:
    pH       Vout       res
   7.00      2.530      0.081
   4.00      1.805     -0.040
  10.00      3.316     -0.040