Edit Calibration Constants For Flow Sensors - Mettler Toledo M800 Schnellstartanleitung

12 Edit Calibration Constants for Flow Sensors

(PATH: H \ Cal \ Calibrate Sensor)
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K-factors are supplied with flow sensor documentation, and need to be indentified
for the specific sensor pipe size, converted to appropriate units if necessary, and
entered for each channel. If a certificate of calibration with multipoint linearization is
provided (some vortex and turbine sensors) refer to the M800 instruction manual,
see "Type 2" flow sensors. Slope units (K-factors) entered into the M800 must be
pulses per gallon, even if the readout will be in other units. Enter Offset constants (if
provided) in units of GPM.
If K-factors are provided in units of GPM/Hz, divide 60 by the "K" value and enter the
result as the Slope. For example, a "K" value of 2 GPM/Hz would result in a Slope
of 60/2 = 30.
If an offset is provided in Hz, multiply it by the original K factor (in GPM/Hz) and
enter the result as the offset. If an offset is not provided, leave the offset set to zero.
Press the "EDIT" button.
Press the input field for "SLOPE" to modify the slope value. The M800 displays a
keypad for modifying the value. Press the e button to accept the value.
Press the input field for "OFFSET" to modify the offset value. The M800 displays a
keypad for modifying the value. Press the e button to accept the value.
Selecting "CANCEL" will discard the entered values and the M800 will return to the
calibration menu.
Press "SAVE" to save the calibration factors.