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Sensor
Recommended User
Calibration Frequency
Recommended
Factory
Calibration
Frequency
Notes
Conductivity
3-6 months
12 months
K-cell value
: 0.7 to 1.3
pH
4-6 weeks or as required
by user protocol or site
conditions
12 months
Single point
:
Theoretical mV ±30 mV
2- or 3-point Slope
:
-66 to 50 mV/pH
2- or 3-point Offset
:
±30mV at pH 7
ORP
4-6 weeks or as required
by user protocol or site
conditions
12 months
Offset
: ±30 mV
RDO
12 months or as required
by user protocol or site
conditions
12 months
2-point Slope
:
0.7 to 1.3
2-point Offset
:
±0.3 mg/L
Factory Calibration
Factory calibration includes a thorough cleaning, full functionality check and sensor adjustments to all applicable sensors
over the entire calibrated temperature range. We recommend a factory calibration every 12 months or when the unit appears
to drift significantly.
