Figure 74 - Linear Coefficients - Geokon GK-405 Instruction Manual

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4.2.2.1 Linear Conversion Method

Selecting this radio button will cause the GK-405 VWRA to apply a linear conversion

factor to convert subsequent readings from Digits to Engineering Units. This also enables

the Linear Coefficients parameters (Figure 74). A detailed description of each of the

available parameters appears below.

Output Calculation: This parameter must be set for each sensor before sensor settings

can be saved. This parameter ensures that the "gage factor" (below) will be correctly

signed if entered directly as printed on the calibration sheet.

Valid selections are: "G(R0 - R1)", "G(R1 - R0)" and "Digits Only". When this parameter

is set to "Digits Only" (as shown in Figure 74), no gage factor needs to be entered. The

GK-405 VWRA will display "raw" digits readings. (See Section 3.2 for information on

raw readings). Please consult the calibration sheet for each sensor to determine which

formula, G(R0 - R1) or G(R1 - R0), to select for the setting above.

Zero Reading: This parameter may be set manually from a previously taken reading.

Please consult your sensor manual regarding various techniques for taking a zero reading.

Gage factor: This parameter may be entered directly from the Transducer Calibration

Sheet, Linear Gage Factor value.

Offset: This parameter can be set to any value representing some initial condition. This

value will be added to all subsequent readings.

Figure 74 - Linear Coefficients

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