EM100-F User Manual
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Page 32 of 93
5.2.8. CG Set Calibration Gain (Span)
This is the reference point for calibration under load and is subject to TAC control.
Permitted values are from 1 to 99999.
Request: Calibration Weight=10,000dec.
Request: TAC Counter CE11.
Calibration Sequence Active.
Setup: Calibration Weight=15,000dec.
For calibrating an input signal near the display maximum (‘CM’) will give the best system
performance. The minimum calibration load of at least 20% is recommended. If the calibration
weight smaller than 1% of display maximum (‘CM’), the EM100 will respond with an error message
(‘ERR’).
Factory Default: 20,000=2.000mV/V input signal.
5.2.9. ZT Enable/Disable Zero-Tracking
This command enables or disables the zero-tracking. ZT=0 disables the zero-tracking and ZT=1 or
higher enables the zero-tracking. Issuing the command without any parameter returns the current
‘ZT’ value.
Permitted values are 0 to 255.
Request: TAC Counter CE11.
Calibration Sequence Active.
Zero-tracking will be performed only on results less than ‘ZT’ range at a rate of 0.4 d/sec, where
d=display step size (see ‘DS’ command). The zero can only be tracked to ±2% of maximum (see
‘CM n’ command).
ZT=1 means ±0.5d.
ZT=100 means ±50d.
Factory Default: 0 [Disabled].
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