EUTECH INSTRUMENTS COND 6 PLUS Instruction Manual page 17

Instruction Manual
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To protect from erroneous calibrations, the allowable
tolerance is ±40% of the factory default value. If calibration is
attempted with standards that fall outside this tolerance
range, the error message "Err 1" is indicated and meter will
return to measurement mode. For example, a 40% tolerance
of a 1413 µS/cm standard, is 848 µS/cm to 1978 µS/cm.
If the measured temperature (°C) of the calibration solution is
below 0 °C or above 50 °C, the error message "Err 2" is
indicated and meter will return to measurement mode.
Low conductivity standard solutions (less than 20 µS/cm) are
unstable and are very temperature dependent. As a result,
reproducible calibration results are challenging in lowest
measurement range (0.00 to 20.0 µS/cm).
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COND 6+, TDS 6+, SALT 6+