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6
2.1 Milliamp Source
In the mA Source mode the calibrator outputs a signal from 0 to
24mA into a load of up to 1000 ohms (750 ohms if the internal HART
resistor is switched on).
Figure 2 shows the main display and typical connections for this
mode.
Precision Loop
Calibrator
100%
25%
0%
MENU
EXIT
Source
0.00%
4.000mA
4-20mA INPUT DEVICE
RECORDER/INDICATOR
SCADA SYSTEM ETC.
(+)
(–)
4 to 20mA
Figure 2
• Press the knob to move the decade cursor.
• Rotate the knob to increment or decrement the output in steps
indicated by the selected decade.
• Use the 3 percent keys to directly set the output to preset values.
• Use the step/ramp key to select and stop these advanced modes
which are described in section 5.1. When automatic step or ramp
is active one of the following is shown in the lower left corner:
Automatic step:
Automatic ramp:
∧