DayTronic 3770 Gebruiksaanwijzing - Pagina 9

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Model 3770
3
C
O N T R O L S
Analog Wide Gain and Zero Controls
Two - 16 Position switches are used for wide control adjustment of the analog output signal from the
3770 meter; this in turn affects the digital readout for engineering unit's adjustments as determined by
the display settings.
Wide Zero - 16 position switch to adjust wide zero-balance authority, approx. 13% /position
Wide Span - 16 position switch to adjust wide range gain for 0.5 to 10 mV/V sensors
Display Span Adjustments
Used to adjust the digital readout of the 3770 meter, the user calibrates the analog output for a specific
span value and then adjusts the readout for proper engineering units display. "OFF" position indicator
defines the default position. i.e. 5.000 Vdc for the analog outputs equals to 5000 counts on the display.
Display Coarse Span - 16 position switch to adjust wide span / gain authority for the display
Display Fine Span - 25 Turn potentiometer for fine span / gain control of display reading
Display "OFF" – switch position "F" which disables the Adjustable Span feature of the display
DC STRAIN GAGE PANEL METER
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